[android-developers] Android5.0 TextView gravity center not working Correctly
LinearLayout android:layout_width=match_parent android:layout_height=wrap_content android:orientation=horizontal TextView android:layout_width=0dp android:layout_height=wrap_content android:layout_weight=1 android:gravity=center android:singleLine=true android:text=Access control android:textSize=20sp / TextView android:layout_width=0dp android:layout_height=wrap_content android:layout_weight=1 android:gravity=center android:singleLine=true android:text=Access control android:textSize=20sp / TextView android:layout_width=0dp android:layout_height=wrap_content android:layout_weight=1 android:gravity=center android:singleLine=true android:text=Access control android:textSize=20sp / TextView android:layout_width=0dp android:layout_height=wrap_content android:layout_weight=1 android:gravity=center android:singleLine=true android:text=Access control android:textSize=20sp / /LinearLayout in android api 21 and android api20, it looks like the attachment. why in android api21 ,the textview gravity not working Correctly. -- You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en --- You received this message because you are subscribed to the Google Groups Android Developers group. To unsubscribe from this group and stop receiving emails from it, send an email to android-developers+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
[android-developers] android5.0 Textview gravity center not working correctly.
LinearLayout android:layout_width=match_parent android:layout_height=wrap_content android:orientation=horizontal TextView android:layout_width=0dp android:layout_height=wrap_content android:layout_weight=1 android:gravity=center android:singleLine=true android:text=Access control android:textSize=20sp / TextView android:layout_width=0dp android:layout_height=wrap_content android:layout_weight=1 android:gravity=center android:singleLine=true android:text=Access control android:textSize=20sp / TextView android:layout_width=0dp android:layout_height=wrap_content android:layout_weight=1 android:gravity=center android:singleLine=true android:text=Access control android:textSize=20sp / TextView android:layout_width=0dp android:layout_height=wrap_content android:layout_weight=1 android:gravity=center android:singleLine=true android:text=Access control android:textSize=20sp / /LinearLayout in android api 21 and android api20, it looks like the attachment. why in android api21 ,the textview gravity not working Correctly. -- You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en --- You received this message because you are subscribed to the Google Groups Android Developers group. To unsubscribe from this group and stop receiving emails from it, send an email to android-developers+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
[android-developers] HLS Stream with Discontinuities reports incorrect position (4.0.x)
When using an HLS playlist with multiple segments of content spliced together ( separated by EXT-X-DISCONTINUITY tags ), MediaPlayer.getCurrentPosition() doesn't return the correct position. In this scenario, each piece of content has its timestamps starting from zero. So for example, if at the 4 minute mark, there is a Discontinuity flag followed by a new piece of content, getCurrentPosition() reports the time as going back to 00:00 instead of 04:01 Does anyone know a work around? Just a note that MediaPlayer.getDuration() does correctly return the full duration of all the content combined. -- You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
[android-developers] Best Practices for releasing Views controlled by Adapter
Hi All, when a Fragment is being closed, what is the correct way to clean up the memory that is being used by a GridView that is being supplied data by an Adapter subclass. The GridView items are layouts that include an ImageView and a text label. in the Fragment's onDestroyView, do you simply set the GridView's adapter to null or should you be doing any other specifics to expunge memory, in either the Adapter subclass or at the Fragment level? thanks for any pointers, I'm trying to track down an OutOfMemory bomb after switching tabs a number of times. -- You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
[android-developers] XVID support by Mediaplayer, MediaRecorder class
Hi, Android develops: I have a plan to porting the mediaplayer wich decode/encode with Xvid and Divx format to Android. But I am NOT sure whether Mediaplayer, MediaRecorder support Xvid or DivX format? Thanks a lot! BR Gavin Fang -- You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
[android-developers] Disable CPU frequency scaling from APP?
Hi all, I want do some multimedia work on android, but I found that cpu can't be kept on a high frequency. This makes the result of the player not so good. Is there any solution to disable the frequency scaling feature when my app is running? -- You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
[android-developers] Re: Serious bug in 3.2 ResolverActivity
It was fixed at latest version. -- You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
[android-developers] when drag view, the view blink
Hello, everyone.
I have a problem about the view drag. when i drag the view, it will
blink. The code like below:
HorizontalScrollView android:id=@+id/HorizontalScrollView01
android:layout_below=@id/bomb_l
android:layout_width=wrap_content
android:layout_height=wrap_content
android:scrollbars=none
android:layout_marginBottom=20dip
android:layout_marginTop=10dip
TableLayout android:id=@+id/TableLayout01
android:layout_width=wrap_content
android:layout_height=wrap_content
TableRow android:id=@+id/TableRow01
android:layout_width=wrap_content
android:layout_height=wrap_content
AbsoluteLayout
android:id=@+id/answerSheet
android:layout_width=wrap_content
android:layout_height=wrap_content
TextView
android:text=@+id/TextView01 android:id=@+id/
TextView01
android:layout_width=wrap_content
android:layout_height=wrap_content /TextView
/AbsoluteLayout
/TableRow
/TableLayout
/HorizontalScrollView
when i want to drag TextView01, the view will blink
@SuppressWarnings(deprecation)
@Override
public boolean onTouchEvent(MotionEvent event) {
if (isShowPress) {
int action = event.getAction();
switch (action MotionEvent.ACTION_MASK) {
case MotionEvent.ACTION_DOWN:
return super.onTouchEvent(event);
case MotionEvent.ACTION_MOVE:
curX = event.getX();
curY = event.getY();
AbsoluteLayout.LayoutParams params = new
AbsoluteLayout.LayoutParams(
135, 200, (int) curX, (int)
curY);
this.setLayoutParams(params);
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
AbsoluteLayout.LayoutParams p = new
AbsoluteLayout.LayoutParams(
135, 200, 135, 0);
this.setLayoutParams(p);
break;
default:
break;
}
}
return true;
}
how can solve this problem.
Thanks.
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[android-developers] when drag view, the view blink
Hello, everyone.
I have a problem about the view drag. when i drag the view, it will
blink. The code like below:
HorizontalScrollView android:id=@+id/HorizontalScrollView01
android:layout_below=@id/bomb_l
android:layout_width=wrap_content
android:layout_height=wrap_content
android:scrollbars=none
android:layout_marginBottom=20dip
android:layout_marginTop=10dip
TableLayout android:id=@+id/TableLayout01
android:layout_width=wrap_content
android:layout_height=wrap_content
TableRow android:id=@+id/TableRow01
android:layout_width=wrap_content
android:layout_height=wrap_content
AbsoluteLayout
android:id=@+id/answerSheet
android:layout_width=wrap_content
android:layout_height=wrap_content
TextView
android:text=@+id/TextView01 android:id=@+id/
TextView01
android:layout_width=wrap_content
android:layout_height=wrap_content /TextView
/AbsoluteLayout
/TableRow
/TableLayout
/HorizontalScrollView
when i want to drag TextView01, the view will blink
@SuppressWarnings(deprecation)
@Override
public boolean onTouchEvent(MotionEvent event) {
if (isShowPress) {
int action = event.getAction();
switch (action MotionEvent.ACTION_MASK) {
case MotionEvent.ACTION_DOWN:
return super.onTouchEvent(event);
case MotionEvent.ACTION_MOVE:
curX = event.getX();
curY = event.getY();
AbsoluteLayout.LayoutParams params = new
AbsoluteLayout.LayoutParams(
135, 200, (int) curX, (int)
curY);
this.setLayoutParams(params);
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
AbsoluteLayout.LayoutParams p = new
AbsoluteLayout.LayoutParams(
135, 200, 135, 0);
this.setLayoutParams(p);
break;
default:
break;
}
}
return true;
}
how can solve this problem.
Thanks.
--
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Re: [android-developers] Re: How to make a multi-player game on Android
Bluetooth is just for close quarters, you want two players on two phones within 10 feet? On Fri, Mar 5, 2010 at 1:41 PM, Maxood maqs...@salsoft.net wrote: Let's say it is simply a turn based game then do i have to use a Bluetooth API for that? I precisely want a game app that can be played by 2 players on 2 android supported smartphones. Thanks On Mar 5, 5:14 am, Gav gav.ai...@googlemail.com wrote: You can do this over Http or using TCP (or UDP) directly. It depends on if you want a turn based game and if you plan to build other clients (Borwser based?) etc. On Mar 5, 12:58 pm, Maxood maqs...@salsoft.net wrote: Wonder how can we make a multi-player game in android. Lets say for 2 players like Chess, Scrabble, Draughts, etc. Can anyone guide me on this please? Thank you. -- You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.comandroid-developers%2bunsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -- You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
Re: [android-developers] Re: How to make a multi-player game on Android
Yes it's possible, read up on Sockets in Java, you'll have to implement a server to match players based on location. Feel free to come back with some more specific questions when you have done some reading and played around with android a bit. On Fri, Mar 5, 2010 at 2:11 PM, Maxood maqs...@salsoft.net wrote: I want these players to receive game invitation though this app and then they should be able to play it ...like Chess or Checkers. And they can be anywhere in the world. Is it possible? Whats the feasibility? Wonder if a player can invite another player who lives in the locality? Please comment On Mar 5, 5:38 am, Yahel kaye...@gmail.com wrote: Wonder how can we make a multi-player game in android. Lets say for 2 players like Chess, Scrabble, Draughts, etc. You need to be a lot more specific : Multiplayer on the same phone, multiplayer over the internet, mass multiplayer ? Beside, what is it you don't know how to do ? Tell us more and we'll do our best. Yahel -- You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.comandroid-developers%2bunsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -- You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
[android-developers] Sharing a view among several activities
I want to create a little widget which displays a green bulb if there is network connectivity and a red bulb if there is none. Design: a) register a BroadcastReceiver to listen for network connectivity events b) If the receiver receives a network down/up event, it will notify the NetworkUptimeWidget to update itself. Questions: 1) It looks like I will have to duplicate the code in every activity to listen for updates (I am already using the include element to share the XML declarations for NetworkUptimeWidget ). Is there any way to avoid this ? 2) I am currently using the ContentObserver to notify the widget about changes. Obviously that was meant for database providers. Is it wrong to use it like a publish/subscribe method in the general sense ? Thanks Gavin -- You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
[android-developers] Re: Google wave invitations...?
Takes at least 24 hours in my experience :) have fun waving! On Fri, Oct 16, 2009 at 2:09 PM, Kenneth Adam Miller kennethadammil...@gmail.com wrote: Have any of you gotten an email yet? I swear I've sent them out... perhaps they're just nominations for a possible invite to google wave and not you know actual concrete invitations I don't know, but I'm guessing that you guys would still want it. Hahah :) I'm in class right now, but I'll review all you guys On Fri, Oct 16, 2009 at 7:40 AM, GSC greg.ch...@gmail.com wrote: If anyone else has an available invitiation, please send me one. Thanks On Oct 16, 7:31 am, ColletJb collet...@gmail.com wrote: I think there are no invitation left from Kenneth Adam Miller. But if anyone invited by him has invitation and can invite me, It would be great ;) --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: protected member variable mScrollX not accessible to subclasses of ViewGroup
Thanks. scrollTo() solved it for me. On 2 oct, 23:35, Romain Guy romain...@google.com wrote: mScrollX is not part of the public API. Use getScrollX() and scrollBy()/scrollTo() to change it. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: protected member variable mScrollX not accessible to subclasses of ViewGroup
mScrollX is a protected member of View, so should be accessible to any subclass. It should be but eclipse is flagging it. I presume one of Android's eclipse Builders are flagging it. Regards, G --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] protected member variable mScrollX not accessible to subclasses of ViewGroup
In the android Launcher app, Workspace.java accesses the mScrollX member variable. http://www.google.com/codesearch/p?hl=frsa=Ncd=2ct=rc#4r7JaNM0EqE/src/com/android/launcher/Workspace.javaq=computeScroll However it looks like mScrollX is not accessible to my ViewGroup subclass. Eclipse is marking it as unresolved(). Why is it that Launcher's codebase can access it whereas custom subclasses cannot ? And what can I do to set the mScrollX with the Scroller's current X position ? Thanks G --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] ViewGroup#onInterceptTouchEvent is only called once
In my custom ViewGroup, I am returning false after handling the MotionEvent.ACTION_DOWN event. According to the javadoc: For as long as you return false from this function, each following event (up to and including the final up) will be delivered first here and then to the target's onTouchEvent(). However, I notice that all subsequent events ( MotionEvent.ACTION_MOVE and MotionEvent.ACTION_UP) are only delivered to my #onTouchEvent method. In #onTouchEvent , I always return true. What could possibly be my bug ? I am running on Android 1.5r2 SDK. Thanks a lot Regards, Gavin --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Correct use of Task Affinities and LaunchModes
My android app contains a suite of mini apps. In short, every screen
contains a navbar with several clickable icons, one each for the mini
apps (and one for the Main screen). When an icon is clicked, the mini
app is launched. In total I have 4 mini apps. So you could imagine
that my main screen is like the Home Screen Launcher. Although these
mini apps could run standalone by their own, I want the user to be
authenticated. Thus there is a LoginActivity right before the
MainActivity.
LoginActivity --- MainActivity --- AppOneActivity or AppTwoActivity
or AppThreeActivity or AppFourActivity (aka PresenceListActivity)
I'm still not pretty sure of the benefit of Tasks (arranged set of
Activities), so I would like comments from Android experts on my
design decisions:-
(1) I plan to set the attribute finishOnTaskLaunch to true for
LoginActivity. As I understand it, once the login is authenticated, I
will navigate the user to MainActivity, and I want LoginActivity to
disappear. Is this better than calling #finish on the Activity ? Will
MainActivity automatically become the root of the Task without any
extra configuration/code ?
(2) One of the mini app is an IM client. The PresenceListActivity will
hosts many instances of ChatActivity (one-to-one chat session with an
active contact in the buddylist). I plan to use the default launchmode
for ChatActivity since each Chat should be handled by a new instance.
Sounds correct ?
(3) As for the sticky navbar, I plan to set the clearTaskOnLaunch
attribute to true for all of them. As I understand it, that should
clear the stack whenever I plan to launch into any of the mini apps.
Also their launchModes will be singleTask. Am I on the right path ?
(4) Finally I don't really understand how to read the output of adb
shell dumpsys activity. For example
Task{10 com.me.rnd.exit}
clearOnBackground=false numActivities=1
affinity=com.me.rnd.exit
lastActiveTime=5513102 (inactive for 5s)
History #1: .
Task{2 com.android.launcher}
clearOnBackground=true numActivities=1 rootWasReset=true
affinity=com.android.launcher
lastActiveTime=5512949 (inactive for 6s)
Running #0:
Sometimes underneath the Tasks, you will see History and in others
Running, what do these mean ? Even stranger, sometimes I have two
History under a task.
Thanks
G
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-~--~~~~--~~--~--~---
[android-developers] Re: TabHost and startActivityForResult
No one can give an answer?? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Obtaining the exact SDK Source
Hi Dianne, Say I wasn't trying to imitate the ProgressBar class but I merely wanted to know what version of the view class I extend when I *extend View*? I totally understand and appreciate that ProgressBar has access to private APIs but if I extend the ProgressBar in the SDK I have a different set of methods to those available in the source I have from git. I just want to know what version of ProgressBar is in 1.5-r3. Many thanks, Gav On Wed, Sep 2, 2009 at 5:51 PM, Dianne Hackborn hack...@android.com wrote: You very often can't just copy code out of the framework, because it by definition has full access to private APIs (since it is also the thing that contains the private APIs). You'll need to make any necessary changes to get it to compile cleanly against the SDK. On Wed, Sep 2, 2009 at 3:13 AM, Gavin Aiken gavin.ai...@imperial.ac.ukwrote: Hey All, I was hoping someone could give me instructions to obtain the *exact *source code for the current SDK. What I have so far is as discussed here; http://androidforums.com/android-developers/1045-source-code-android-jar.html By using commands such as; repo init -u git://android.git.kernel.org/platform/manifest.git -b android-sdk-1.5_r3 jar cvf ../android-src.jar -C core/java . ... etc. My issue is that the source is still inconsistent, some extra methods are available and some are not. For example, I want to make a progress bar with two sliders (To select a range) but the version of Progress bar I have; http://android.git.kernel.org/?p=platform/frameworks/base.git;a=blob;f=core/java/android/widget/ProgressBar.javahttp://android.git.kernel.org/?p=platform/frameworks/base.git;a=blob;f=core/java/android/widget/ProgressBar.java; I cannot mimic (as an initial implementation), despite using the same package and extending View I do not have access to 'mMinWidth' for example. In addition the progress bar uses methods of the class StateListDrawable which are not available in this SDK (e.g. getStateSet(int i)). It's obvious that there's an inconsistency between the source I have and that which was compiled into the android SDK but I don't know why given my GIT repo commands. Can someone link to the version of ProgressBar which was shipped with android-sdk-1.5_r3? Has anyone managed to get the branch which maps directly to this release? This might well be due my inexperience with Git, please let me know if anyone has this set up correctly and I will try again. I seem, in all honesty, to have the head revision still. Thanks in advance! Gavin -- Dianne Hackborn Android framework engineer hack...@android.com Note: please don't send private questions to me, as I don't have time to provide private support, and so won't reply to such e-mails. All such questions should be posted on public forums, where I and others can see and answer them. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] TabHost and startActivityForResult
All, I meet an issue: my activity cannot return result. I created an activity which has one TabHost. I added three tabs using mTabHost.addTab. Every tab will launch an activity(activity A, activity B, activity C). In activity A, it will call startActivityForResult to start activity A1. The issue is activity A cannot get any result after A1 finish. What is the reason? How should I do if I want to get return value? thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: TabHost and startActivityForResult
More, I am using localActivityManager for tabHost. mTabHost.setup (localActivityManager). --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Obtaining the exact SDK Source
Hey All, I was hoping someone could give me instructions to obtain the *exact *source code for the current SDK. What I have so far is as discussed here; http://androidforums.com/android-developers/1045-source-code-android-jar.html By using commands such as; repo init -u git://android.git.kernel.org/platform/manifest.git -b android-sdk-1.5_r3 jar cvf ../android-src.jar -C core/java . ... etc. My issue is that the source is still inconsistent, some extra methods are available and some are not. For example, I want to make a progress bar with two sliders (To select a range) but the version of Progress bar I have; http://android.git.kernel.org/?p=platform/frameworks/base.git;a=blob;f=core/java/android/widget/ProgressBar.javahttp://android.git.kernel.org/?p=platform/frameworks/base.git;a=blob;f=core/java/android/widget/ProgressBar.java; I cannot mimic (as an initial implementation), despite using the same package and extending View I do not have access to 'mMinWidth' for example. In addition the progress bar uses methods of the class StateListDrawable which are not available in this SDK (e.g. getStateSet(int i)). It's obvious that there's an inconsistency between the source I have and that which was compiled into the android SDK but I don't know why given my GIT repo commands. Can someone link to the version of ProgressBar which was shipped with android-sdk-1.5_r3? Has anyone managed to get the branch which maps directly to this release? This might well be due my inexperience with Git, please let me know if anyone has this set up correctly and I will try again. I seem, in all honesty, to have the head revision still. Thanks in advance! Gavin --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Inserting large volumes of data into SQLite - speed issues
Does the data NEED to be on the device? Can it not reside on a server? Certainly you are better to manage the synchonisation yourself rather than bundle the 120MB lib for downloading through the marketplace. This sort of download needs to be resumable and I would recommend users only download with a Wifi connection. What sort of data is this?! It would have to be incredible to justify that size to most users, I think with a 3 hour install you have lost 99% of the user base without even knowing if the app is any good. Gav On Wed, Sep 2, 2009 at 4:47 PM, mjc147 westmead...@yahoo.co.uk wrote: I need to insert approximately one million rows of data (spread over 4 tables) - each row has one or two numeric fields, and two or three text fields (normally quite short). Single-column indexes on all the fields. After doing some tests on the emulator with a small test set, I extrapolated (assuming the last row will be inserted with a similar speed to the first row) my results to figure out that this would take about 15 hours (I have a Core 2 Duo running Vista). However, then I tried running the small test set on my Hero and I was surprised to see it run more than four times faster. I would guess it would take about 3 hours on the Hero. Alternatively, I could make the pre-populated database available as a download on the first run but this is likely to be a 120MB download. I have a few questions I'm hoping someone can help me with: 1. SQLite performance on the actual device being 4-5 times faster compared to the emulator - is this normal/expected? 2. Do the figures above generally sound fast/slow/normal (sorry this is so vague)? 3. From a user perspective - would it be best to provide a 120MB download or a 3 hour first-time initialisation step (plus 6MB download)? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] AutoCompleteTextView
all, Is there any method to control popup window in AutoCompleteTextView? Such as location, background...? thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: AutoCompleteTextView
I guess it may control the display stytle of listview in popup window. But how to adjust the location of popup window? On Aug 12, 4:38 pm, peter heywoodpres...@gmail.com wrote: Create a adpter extends BaseAdpter to fill AutoCompleteTextView On Aug 12, 3:40 pm, Gavin fjm...@gmail.com wrote: all, Is there any method to control popup window in AutoCompleteTextView? Such as location, background...? thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: AutoCompleteTextView
AutoCompleteTextView has an instance of Popup window. But the class AutoCompleteTextView doesn't have any public method to control popup window. :( --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: AutoCompleteTextView
AutoCompleteTextView has an instance of Popup window. But the class AutoCompleteTextView doesn't have any public method to control popup window. :( --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: AutoCompleteTextView
AutoCompleteTextView has an instance of Popup window. But the class AutoCompleteTextView doesn't have any public method to control popup window. :( --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] browser package question.
hello, I found there are two browser dirs at source codes and the package names are : com.android.browser and com.android.wapbrowser. Why? thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: data between activities
Yeah, I use an Application class which holds common data. There are a few options; http://developer.android.com/guide/appendix/faq/framework.html#3 On Tue, Jun 30, 2009 at 8:26 AM, Saurav Mukherjee to.saurav.mukher...@gmail.com wrote: if both the activities are in the same app, yes, its possible. On Tue, Jun 30, 2009 at 12:47 PM, Sukitha Udugamasooriya suk...@gmail.com wrote: Is it possible to transfer data between activities without using extars?? I need to access MyOwnObject in Atctivity 1 from Activity2 Possible with using static fields? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Scaling an image
Hey all! This has been frustrating me for a while, all I want is to scale an image to dimensions that I define whilst keeping an aspect ratio. So for example, image comes in at 500 * 500, I want to scale to 320 * 480 so I need 320 * 320 so as not to distort the image. This must be a simple 3 lines of code using a matrix? I just can't do it, it's lame, i'm very tired and it turns out I suck at programming. One of those days! :) Any help greatly appreciated, what you have to work with is this; float scaleWidth = ((float) newWidth) / width; float scaleHeight = ((float) newHeight) / height; scale = larger of the two scales; // createa matrix for the manipulation Matrix matrix = new Matrix(); // resize the bit map matrix.postScale(scale, scale); // recreate the new Bitmap Bitmap resizedBitmap = Bitmap.createBitmap(bitmapOrg, 0, 0, width, height, matrix, true); Gav --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Using an SqliteDatabase from multiple threads
Hi,
I run into a bunch of errors when running my app and calling these methods
from multiple threads.
Namely;
SqlLiteMisuseException (Library called out of sequence)
SqlLiteException (unknown) Error while compiling statement
IllegalStateException trying to use a closed reference
I understand this is poor coding on my part but I'm in deep now and i was
wondering if anyone had some reference code for good database use. It has to
be from a helper class available to multiple threads and not be an activity
in itself. I'm doing more than just display items in a list and all I can
find is examples of code that use a database for that purpose.
// Called from multiple threads
public Filter getFilter(int _id) {
// A sub call to another db query method
Filter filter = getBasicFilterDetails(_id);
Cursor c = getFilterNodes(_id);
c.moveToFirst();
MapInteger, ExpressionBitmap filterNodes = new HashMapInteger,
ExpressionBitmap();
while (!c.isAfterLast()) {
// Mapping to an object from DB rows
c.moveToNext();
}
c.close();
c = null;
// Return the output node
filter.setNodes(filterNodes);
return filter;
}
etc.
Should I just synchronize these methods?
Any thoughts appreciated.
Kind regards,
Gavin
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[android-developers] Re: Binder Thread issue.
Thanks mike. But I don't agree with you . If I stop the service through stopSelf(), the service will not be waked up by alarm manager. It will not repeatly download data every 5 mins. On Jun 23, 7:57 pm, Mike Hearn mh.in.engl...@gmail.com wrote: They're used by the framework itself, ignore them. On Jun 23, 6:59 am, Gavin fjm...@gmail.com wrote: My app have a service and it will create athreadevery 5 mins. Thethreadwill connect internet to download some data, and then exit. That's not the right design. Instead look into the alarm manager, you want an inexact repeating alarm to send an intent to your service so your process only runs when it's actually working. Make sure that stopSelf() is always called, even if the process is killed half way through the download! --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Binder Thread issue.
OK. thanks for your suggestion. I will modify my design. It is Binder Thread that I want to know. Is there any negative impact? On Jun 24, 10:06 am, Mark Murphy mmur...@commonsware.com wrote: Gavin wrote: Thanks mike. But I don't agree with you . If I stop the service through stopSelf(), the service will not be waked up by alarm manager. It will not repeatly download data every 5 mins. Sure it will! Or, more accurately, your BroadcastReceiver that you register in the manifest for the AlarmManager will get invoked every N minutes, and it can restart the service. http://androidguys.com/?p=4411 Though waking up and turning on WiFi five minutes means you'll wreck your users' battery life. I heartily recommend Jeff Sharkey's Google I/O presentation, Coding For Life -- Battery Life, That Is: http://code.google.com/events/io/sessions/CodingLifeBatteryLife.html -- Mark Murphy (a Commons Guy)http://commonsware.com|http://twitter.com/commonsguy Need Android talent? Ask on HADO!http://wiki.andmob.org/hado --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Binder Thread issue.
Hello all, I met an issue: when I opened DDMS, I found there are too many Binder Thread in my app's porcess. I have no idea on Binder Thread. where did the app create them? why they cannot exit automatically? My app have a service and it will create a thread every 5 mins. The thread will connect internet to download some data, and then exit. Binder Thead is caused by the service? but I have never used any binder in the service. Who can give some suggestion? thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] How to support drag and drop on listview.
Hello, I want to know how to manual sort with ListView by using drag and drop? for example, the user can drag an item from postion 2 to position 1. Someone said there is a play list activity that can support it in music application. But I cannot find it in my SDK 1.0. Who can provide some suggestion? If there is a demo, it is more better. Thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Checking the Hardware (Phone model) programatically
Hi All, I was wondering if there is a way of finding the hardware on which the Android software stack is currently running. Specifically I'd be interested to get the processor on which the application is being run so that I can adjust the intensity of calculations performed. Thanks in advance! Gavin --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: develop a simple game like tic toc
http://bakhtiyor.com/category/30-days-of-android-apps/page/2/ If you're talking about tic-tac-toe you could look here :) Good luck On Sat, Jun 13, 2009 at 5:22 AM, jaimin jaiminmeht...@gmail.com wrote: hi. i am new to android i have develop a some e book for android mobile but i never develop a game in android and i would like to develop a first simple just like tic toc . so plz help me where can i start with. thanks jaimin. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: How to execute chmod -R 777
http://groups.google.com/group/android-developers/browse_thread/thread/9646c6aea5b78c1f/47238ea9d76e4887?lnk=gstq=gav+chmod#47238ea9d76e4887 Might help :) On Wed, Jun 10, 2009 at 9:04 PM, Francesco Pace paxa...@gmail.com wrote: Hi guys,I have a problem. I'm working with adb shell and I have to execute this command : # chmod -R 777 /data but SO said : Bad usage. Can I have a help? How do to execute chmod recursively in a directory? Thanks, good evening. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: How to execute chmod -R 777
Well I think the guys were saying it's a bad idea, what is it that you're trying to achieve? On Wed, Jun 10, 2009 at 9:12 PM, Francesco Pace paxa...@gmail.com wrote: Thanks Gavin, so I have to modify (with chmod 777) 1:1 all file in /data directory.? 2009/6/10 Gavin Aiken gavin.ai...@imperial.ac.uk http://groups.google.com/group/android-developers/browse_thread/thread/9646c6aea5b78c1f/47238ea9d76e4887?lnk=gstq=gav+chmod#47238ea9d76e4887 Might help :) On Wed, Jun 10, 2009 at 9:04 PM, Francesco Pace paxa...@gmail.comwrote: Hi guys,I have a problem. I'm working with adb shell and I have to execute this command : # chmod -R 777 /data but SO said : Bad usage. Can I have a help? How do to execute chmod recursively in a directory? Thanks, good evening. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: How to execute chmod -R 777
Any context would be great, can't really help otherwise. Are you looking to get files from the data directory of an app you've created? adb pull / push? Checkout the android source and get your file from there? On Wed, Jun 10, 2009 at 9:21 PM, Francesco Pace paxa...@gmail.com wrote: no i am just trying to do that for accademic reason!can i do this in an other way? i don't want to use 1:1! i'd like to use an other way , not 1.1 can u suggest something? 2009/6/10 Gavin Aiken gavin.ai...@imperial.ac.uk Well I think the guys were saying it's a bad idea, what is it that you're trying to achieve? On Wed, Jun 10, 2009 at 9:12 PM, Francesco Pace paxa...@gmail.comwrote: Thanks Gavin, so I have to modify (with chmod 777) 1:1 all file in /data directory.? 2009/6/10 Gavin Aiken gavin.ai...@imperial.ac.uk http://groups.google.com/group/android-developers/browse_thread/thread/9646c6aea5b78c1f/47238ea9d76e4887?lnk=gstq=gav+chmod#47238ea9d76e4887 Might help :) On Wed, Jun 10, 2009 at 9:04 PM, Francesco Pace paxa...@gmail.comwrote: Hi guys,I have a problem. I'm working with adb shell and I have to execute this command : # chmod -R 777 /data but SO said : Bad usage. Can I have a help? How do to execute chmod recursively in a directory? Thanks, good evening. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] thread question.
Hi, I have a question. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] thread questions.
Hi,
I have a question.
If I have a list which has many url links. I want to download all
url. How should I do? There are two solutions:
1) use only one thread to download all links. It needs a while
loop. for example,
int i=0;
while(ilist.length){
download(list[i]);
i++;
}
2) create a thread for a link. After the link is downloaded, create
a new thread to next link. Is it good idea?
Please give me your suggestions. thanks.
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[android-developers] Re: thread questions.
ebin, thanks
On Jun 10, 12:26 pm, ebin jose ebinjose...@gmail.com wrote:
Hi Gavin,
My answer is not specific to android. So please see if this is useful to
you, else please ignore.
I assume that you are worried about any user interaction taking place in the
middle of this download (as the download take a while, if you follow your
first option), and you may not be able to respond to the user request
immediately as you are in the middle of a download. If that is what you are
looking for then.
In my opinion its not a good idea to create thread for every download. You
should have only one thread doing download.
But after every link is downloaded, you must check if there are any user
requests or anything/any event that you need to service. Service that (if it
requires attention), then go for the next download.
There may be situation where you need to navigate to a previous page, or
cancel the download etc. In such a case check for such an event and
cancel/come out of this thread.
-Ebin
On Wed, Jun 10, 2009 at 9:45 AM, Gavin fjm...@gmail.com wrote:
Hi,
I have a question.
If I have a list which has many url links. I want to download all
url. How should I do? There are two solutions:
1) use only one thread to download all links. It needs a while
loop. for example,
int i=0;
while(ilist.length){
download(list[i]);
i++;
}
2) create a thread for a link. After the link is downloaded, create
a new thread to next link. Is it good idea?
Please give me your suggestions. thanks.
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[android-developers] Re: Dalvik Version
That's great cheers, I jsut need to quotre the VM version I ran my tests on. Gav On Mon, Jun 8, 2009 at 7:00 PM, fadden fad...@android.com wrote: On Jun 7, 7:26 am, Gavin Aiken gavin.ai...@imperial.ac.uk wrote: I am writing the report for my project and I was wondering if anyone could tell me how to find the current version of the Dalvik VM. My phone is a Dev phone running cupcake. I just can't find it, I'm sure it must be obvious but if any of you know I'd really appreciate a pointer. % adb shell dalvikvm -version Not sure how useful that will be. What are you trying to do? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Dalvik Version
Hi Guys, I am writing the report for my project and I was wondering if anyone could tell me how to find the current version of the Dalvik VM. My phone is a Dev phone running cupcake. I just can't find it, I'm sure it must be obvious but if any of you know I'd really appreciate a pointer. Cheers, Gav --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Is it possible to start my service automaticaly after phone boots up.
hello, I want to write a service in my application. I hope the service can automaticaly access to internet and update database after phone boots up every time. The whole process is background and no any UI for user. Is it possible? there is any demo ? thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] how to remove a directory on file system?
Hello,
I have some questions.
(1)
I want to remove a directory on filesystem, it is successful but
some logs info was printed: unable to unlink /data/data/packageName/
dir1/dir2. there are no any file in dir2.
my codes:
File dir = getFileStreamPath(dir1);
File subdir=new File(dir, dir2);
if(subdir.exists())
{
subdir.delete();
}
(2)
If there are some files in dir2, can I remove the whole directory?
thanks.
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[android-developers] SoftHashMap implementation - For use as a Cache of thumbnails
Hi All, I have adapted a SoftHashMap that I found online for use in my Android application. I generate many thumbnails which use a lot of memory and are easily traversed, I want to use an ADT like this so that I don't run out of memory but do make use of the memory available. The cache is meant to retain the most recently used items using hard links, the number of MRU hard links is set via the constructor. Can you let me know if there is a better way of doint this, any errors in my design (Essentially lifted from DevXhttp://archive.devx.com/java/free/articles/Kabutz01/Kabutz01-2.asp), especially with respect to any differences in Dalvik or bonus classes in the SDK which render it useless. Otherwise, feel free to use it obviously :) SoftHashMap.javahttp://code.google.com/p/miffed/source/browse/trunk/miffed/src/uk/ac/ic/doc/gea05/miffed/adts/SoftHashMap.java?r=221 Gav http://archive.devx.com/java/free/articles/Kabutz01/Kabutz01-2.asp --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Database Pattern - What's your method?
Hi All,
I was wondering if you could shed any light on the pattern you use for your
database connections.
I have a class;
public class FilterDBHelper extends SQLiteOpenHelper{...}
With a method;
public Cursor getFilterNodes(int _id) {...}
That returns a cursor.
The activity then takes care of closing the cursor but how is it that I
close the database at the appropriate time? I presume I must wait until
after the cursor has been closed to close the database.
Do you close a database after each query? Do you close the cursor inside a
method 'close()' of FilterDBHelper that also closes the cursor?
Any advice or links to source would be greatly appreciated.
Kind regards,
Gavin
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[android-developers] Re: SoftHashMap implementation - For use as a Cache of thumbnails
Hi Mark, Thanks so much for the pointer. It is indeed from the newsletter you mentioned, I shall be signing up too I think. Just in case you thought I was being cheeky and passing this off as my own, his name with a link is right at the top of the source :). Thanks again, Gavin On Tue, Jun 2, 2009 at 11:31 PM, Mark Murphy mmur...@commonsware.comwrote: Can you let me know if there is a better way of doint this, any errors in my design (Essentially lifted from DevXhttp://archive.devx.com/java/free/articles/Kabutz01/Kabutz01-2.asp ), especially with respect to any differences in Dalvik or bonus classes in the SDK which render it useless. I think that is based on Dr. Heinz' original article (newsletter #15). He revised it for Java5 in newsletter #98: http://www.javaspecialists.eu/archive/Issue098.html A quick read of #98 suggests there are some memory leaks in his implementation of #15, so you might want to double-check which one yours is based upon. I do need to re-susbscribe to his newsletter sometime... -- Mark Murphy (a Commons Guy) http://commonsware.com _The Busy Coder's Guide to Android Development_ Version 2.0 Available! --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] sub-thread issue.
Hi, I have some questions about threads. Threre is a main thread A, and then it creats a sub-thread B. I want to know: 1) If main thread A exits or crashs, thread B can continue running? 2) if the upper question's anwser is yes, is there a method that A can notify B before A exits? How can B get A's state? thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Simple Canvas Question
Hi All,
I want to fill a bitmap with a colour. I have the a,r,g b values. The
techinique I'm using is;
public Bitmap evaluate(Bitmap input) {
Canvas c = new Canvas(input);
c.drawARGB(a, r, g, b);
return input;
}
But my changes are not apparent in the returned bitmap.
The nature of the application is such that I need to return a bitmap but I'd
rather not have to setPixel for every x y.
I'm hoping that this is obvious but I couldn't work out why this wasn't
working for the documentation or sample code.
Kind regards,
Gav
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[android-developers] Re: Grayscaling
Hi Marco, Would you mind giving a brief code snippet of how this might work? I've been trying to get a similar function to run faster but when I use the bitmap the values I thought were written by the canvas aren't there. Kind regards, Gav On Tue, Apr 21, 2009 at 12:21 AM, Marco Nelissen marc...@android.comwrote: You can do this more efficiently by using a Paint and a ColorFilter. On Mon, Apr 20, 2009 at 3:59 PM, sm12 mata...@gmail.com wrote: Solved. The problem was in the parameters of Color.rgb. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Grayscaling
Thanks for the fast response. I can't seem to saw the changes made by the canvas in the original bitmap, my code is as follows; int old = input.getPixel(0, 0); Canvas c = new Canvas(input); c.drawARGB(a, r, g, b); int n = input.getPixel(0, 0); if(old==n) Log.e(TAG, Values didn't change!); // Fires return input; 'input' is mutable but the returned bitmap retains it's old values. The 'clip' Rect is the size of the bitmap. Do you know why this is the case? I'm looking for a finalize or save on the canvas but they don't seem to do the job. Kind regards, Gav On Thu, May 28, 2009 at 5:19 PM, Streets Of Boston flyingdutc...@gmail.comwrote: - Create a mutable bitmap from immutable. But instead of a copy, just create an empty one with the same width and height as the original one. - Create a canvas from this mutable bitmap (new Canvas(mutable)); - Create a ColorFilter object. Set its saturation to 0 (this is one way of doing this). (ColorMatrixColorFilter with a ColorMatrix whose saturation is set to 0). - Create a new Paint object and set its color-filter to the ColorMatrixColorFilter (bwPaint). - Draw the original bitmap onto the new canvas: mutableCanvas.drawBitmap(immutable, 0, 0, bwPaint); - After this drawBitmap call, the mutable bitmap contains a bw version of your original mutable bitmap. On May 28, 12:00 pm, Gavin Aiken gavin.ai...@imperial.ac.uk wrote: Hi Marco, Would you mind giving a brief code snippet of how this might work? I've been trying to get a similar function to run faster but when I use the bitmap the values I thought were written by the canvas aren't there. Kind regards, Gav On Tue, Apr 21, 2009 at 12:21 AM, Marco Nelissen marc...@android.com wrote: You can do this more efficiently by using a Paint and a ColorFilter. On Mon, Apr 20, 2009 at 3:59 PM, sm12 mata...@gmail.com wrote: Solved. The problem was in the parameters of Color.rgb.- Hide quoted text - - Show quoted text - --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Gathering Usage Data - Any ideas welcome!
Hi all, I'm currently working on a demo project and I'm about to try it out with some users. I'd like to automatically record the way they use the application, their navigation route, times spent in each section and duration using the application in general etc. I was wondering if there are any solutions for this already available and if not how would you go about achieving such a goal? My initial thought is that I could augment all of my UI click listeners with a call to a custom logger class which could write the time and the element, opening the file for writing in onStart, onResume and closing it in onStop for the activity. This doesn't need to be bullet proof, I'm just gathering data to improve the UI. That being said, I'm sure developing a unified solution would help a lot of people learn more about how their users interact with their apps and I'm happy to do the leg work I was just hoping for some advice regarding the approach to use. I found this in the google internal code; UsageStatsServicehttp://www.google.co.in/codesearch/p?hl=en#uX1GffpyOZk/services/java/com/android/server/am/UsageStatsService.javaq=android%20package:git://android.git.kernel.org%20UsageStatsl=17 Which is slightly different to what I need but made me think that perhaps a background service would be the best option, it could presumably then be turned on and off and therefore not be used in the deployed version. This would remove the issue of overhead. I'm just thinking out loud, feel free to do the same :) Gav --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] What is the difference between thread and service?
Hello, I want to download some data from internet. It should not block main UI thread. I know both thread and service can handle the work. What is the difference between them? thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: What is the difference between thread and service?
Could you explain it? I am directly using thread. what is the issue if I don't use service? On May 27, 11:29 am, Dianne Hackborn hack...@android.com wrote: Service doesn't. You still need to use a thread in it. On Tue, May 26, 2009 at 8:22 PM, Gavin fjm...@gmail.com wrote: Hello, I want to download some data from internet. It should not block main UI thread. I know both thread and service can handle the work. What is the difference between them? thanks. -- Dianne Hackborn Android framework engineer hack...@android.com Note: please don't send private questions to me, as I don't have time to provide private support, and so won't reply to such e-mails. All such questions should be posted on public forums, where I and others can see and answer them. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: How to force to update a view?
But I insert an item to database from an activity, the list activity cannot update data.I guess it cannot get notification. On May 23, 1:10 am, Marco Nelissen marc...@android.com wrote: This should normally happen automatically: when the database changes, the cursor adapter is notified, which causes the cursor to be requeried and the the listview to be updated. On Fri, May 22, 2009 at 2:31 AM, Gavin fjm...@gmail.com wrote: Hello, I have a List activity which use cursor adapter. When an item of database is changed, I hope the corresponding view of this list can update and get new data from database. I know the time when database is changed, but how to update view? thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: How to force to update a view?
It can work. thanks. On May 25, 11:13 am, Christine christine.kar...@gmail.com wrote: A call to notifyDatasetChanged lets the list adapter know that the dataset has changed and it should update the view. On May 24, 7:16 pm, Gavin fjm...@gmail.com wrote: But I insert an item to database from an activity, the list activity cannot update data.I guess it cannot get notification. On May 23, 1:10 am, Marco Nelissen marc...@android.com wrote: This should normally happen automatically: when the database changes, the cursor adapter is notified, which causes the cursor to be requeried and the the listview to be updated. On Fri, May 22, 2009 at 2:31 AM, Gavin fjm...@gmail.com wrote: Hello, I have a List activity which use cursor adapter. When an item of database is changed, I hope the corresponding view of this list can update and get new data from database. I know the time when database is changed, but how to update view? thanks.- Hide quoted text - - Show quoted text - --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] How to force to update a view?
Hello, I have a List activity which use cursor adapter. When an item of database is changed, I hope the corresponding view of this list can update and get new data from database. I know the time when database is changed, but how to update view? thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Color Bug?
Hey all,
Before I submit this I just wanted to check it's not a java nuiance.
The Color class can be used to extract rgb values from a pixel (32 bit int).
I implemented a lookup table filter and used a byte to store each individual
r g b value to save a bit of space.
Long story short;
public void testColor(){
int nr = (byte)0; // Simulation of lookup in array of byte values
representing individual bands
int ng = (byte)0;
int nb = (byte)0;
int nc = Color.rgb(nr, ng, nb);
assertEquals(nr,Color.red(nc));
assertEquals(ng,Color.green(nc));
assertEquals(ng,Color.blue(nc));
nr = (byte)0;
ng = (byte)137;
nb = (byte)0;
nc = Color.rgb(nr, ng, nb);
assertEquals(nr,Color.red(nc));// FAIL HERE
assertEquals(ng,Color.green(nc));
assertEquals(nb,Color.blue(nc));
}
Failure in testColor:
junit.framework.AssertionFailedError: expected:0 but was:255
at uk.ac.ic.doc.gea05.miffed.os.ColorTest.testColor(ColorTest.java:44)
Any ideas?
137 is the magic number causing the error in my case, there may be more.
Cheers!
Gav
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[android-developers] Re: Color Bug?
Did this in the end;
...
int nr = table[r] 0xFF;
int ng = table[g] 0xFF;
int nb = table[b] 0xFF;
...
Where table is a byte array.
Have a good weekend!!
On Fri, May 22, 2009 at 9:09 PM, Gavin Aiken gavin.ai...@imperial.ac.ukwrote:
Hey all,
Before I submit this I just wanted to check it's not a java nuiance.
The Color class can be used to extract rgb values from a pixel (32 bit
int).
I implemented a lookup table filter and used a byte to store each
individual r g b value to save a bit of space.
Long story short;
public void testColor(){
int nr = (byte)0; // Simulation of lookup in array of byte values
representing individual bands
int ng = (byte)0;
int nb = (byte)0;
int nc = Color.rgb(nr, ng, nb);
assertEquals(nr,Color.red(nc));
assertEquals(ng,Color.green(nc));
assertEquals(ng,Color.blue(nc));
nr = (byte)0;
ng = (byte)137;
nb = (byte)0;
nc = Color.rgb(nr, ng, nb);
assertEquals(nr,Color.red(nc));// FAIL HERE
assertEquals(ng,Color.green(nc));
assertEquals(nb,Color.blue(nc));
}
Failure in testColor:
junit.framework.AssertionFailedError: expected:0 but was:255
at uk.ac.ic.doc.gea05.miffed.os.ColorTest.testColor(ColorTest.java:44)
Any ideas?
137 is the magic number causing the error in my case, there may be more.
Cheers!
Gav
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[android-developers] Re: Color Bug?
Thanks for the quick response and sorry for the unneccesary use of the word
bug.
I was clearly confused wrrt signed ints and 'unsigned' bytes (the values
shown in the eclipse debugger), all cleared up now!
Cheers,
Gav
On Fri, May 22, 2009 at 9:43 PM, Romain Guy romain...@google.com wrote:
Bytes are signed in Java, so 137 is not what you want. Also,
Color.rgb() take ints, not bytes. So (byte) 137 cast as an int results
in rg == -119.
On Fri, May 22, 2009 at 1:09 PM, Gavin Aiken gavin.ai...@imperial.ac.uk
wrote:
Hey all,
Before I submit this I just wanted to check it's not a java nuiance.
The Color class can be used to extract rgb values from a pixel (32 bit
int).
I implemented a lookup table filter and used a byte to store each
individual
r g b value to save a bit of space.
Long story short;
public void testColor(){
int nr = (byte)0; // Simulation of lookup in array of byte values
representing individual bands
int ng = (byte)0;
int nb = (byte)0;
int nc = Color.rgb(nr, ng, nb);
assertEquals(nr,Color.red(nc));
assertEquals(ng,Color.green(nc));
assertEquals(ng,Color.blue(nc));
nr = (byte)0;
ng = (byte)137;
nb = (byte)0;
nc = Color.rgb(nr, ng, nb);
assertEquals(nr,Color.red(nc));// FAIL HERE
assertEquals(ng,Color.green(nc));
assertEquals(nb,Color.blue(nc));
}
Failure in testColor:
junit.framework.AssertionFailedError: expected:0 but was:255
at
uk.ac.ic.doc.gea05.miffed.os.ColorTest.testColor(ColorTest.java:44)
Any ideas?
137 is the magic number causing the error in my case, there may be more.
Cheers!
Gav
--
Romain Guy
Android framework engineer
romain...@android.com
Note: please don't send private questions to me, as I don't have time
to provide private support. All such questions should be posted on
public forums, where I and others can see and answer them
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[android-developers] Re: Color Bug?
EDIT: 'signed' bytes, as you said
Cheers
On Fri, May 22, 2009 at 10:00 PM, Gavin Aiken gavin.ai...@imperial.ac.ukwrote:
Thanks for the quick response and sorry for the unneccesary use of the word
bug.
I was clearly confused wrrt signed ints and 'unsigned' bytes (the values
shown in the eclipse debugger), all cleared up now!
Cheers,
Gav
On Fri, May 22, 2009 at 9:43 PM, Romain Guy romain...@google.comwrote:
Bytes are signed in Java, so 137 is not what you want. Also,
Color.rgb() take ints, not bytes. So (byte) 137 cast as an int results
in rg == -119.
On Fri, May 22, 2009 at 1:09 PM, Gavin Aiken gavin.ai...@imperial.ac.uk
wrote:
Hey all,
Before I submit this I just wanted to check it's not a java nuiance.
The Color class can be used to extract rgb values from a pixel (32 bit
int).
I implemented a lookup table filter and used a byte to store each
individual
r g b value to save a bit of space.
Long story short;
public void testColor(){
int nr = (byte)0; // Simulation of lookup in array of byte
values
representing individual bands
int ng = (byte)0;
int nb = (byte)0;
int nc = Color.rgb(nr, ng, nb);
assertEquals(nr,Color.red(nc));
assertEquals(ng,Color.green(nc));
assertEquals(ng,Color.blue(nc));
nr = (byte)0;
ng = (byte)137;
nb = (byte)0;
nc = Color.rgb(nr, ng, nb);
assertEquals(nr,Color.red(nc));// FAIL HERE
assertEquals(ng,Color.green(nc));
assertEquals(nb,Color.blue(nc));
}
Failure in testColor:
junit.framework.AssertionFailedError: expected:0 but was:255
at
uk.ac.ic.doc.gea05.miffed.os.ColorTest.testColor(ColorTest.java:44)
Any ideas?
137 is the magic number causing the error in my case, there may be more.
Cheers!
Gav
--
Romain Guy
Android framework engineer
romain...@android.com
Note: please don't send private questions to me, as I don't have time
to provide private support. All such questions should be posted on
public forums, where I and others can see and answer them
--~--~-~--~~~---~--~~
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[android-developers] Alarm issue.
Hi, all I want to know how many alarms can be set in one application? what is the length for every interval time that I can set? I need many alarms and at least 1 month interval time in my application. it is possible? Thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Running exclusively SmallTests
Hey, Just wondering if anyone has found a way to pass the command line parameter '-e size small' to the Android JUnit test runner as configured through eclipse. I'd rather work within eclipse than on the command line if possible. Cheers, Gav On Sat, Apr 11, 2009 at 11:21 PM, Gavin Aiken gavin.ai...@imperial.ac.ukwrote: Hi all, To build a test suite containing only small tests I looked at the source examples and found SmallTests.javahttp://www.google.co.in/codesearch/p?hl=en#SS2by_AKaLs/tests/src/com/android/email/SmallTests.javaq=android%20package:git://android.git.kernel.org%20SmallTestsin the email app test source. I assumed that I would need to add a Predicate to such a class as this seems not to distinguish test sizes (Unless the test runner infers this from the name of the suite?). I could then add the predicate to a TestSuiteBuilder via 'addRequirements' but I couldn't work out how to build a predicate based on the annotation class SmallTest. Eventually I found the InstrumentationTestRunnerhttp://developer.android.com/reference/android/test/InstrumentationTestRunner.htmldocumentation and it seems that the command; adb shell am instrument -w -e size small com.android.foo/android.test.InstrumentationTestRunner Does the trick. I post this information for reference but also to ask if the former option is possible, i.e. if there is a simple predicate that I could create to isolate SmallTest annotated tests? Just for interests' sake :) Gav --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Alarm issue.
I need every alarm have different interval time and start time. On May 21, 4:30 pm, Gavin fjm...@gmail.com wrote: Hi, all I want to know how many alarms can be set in one application? what is the length for every interval time that I can set? I need many alarms and at least 1 month interval time in my application. it is possible? Thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Alarm issue.
great. On May 21, 4:51 pm, Mark Murphy mmur...@commonsware.com wrote: I need every alarm have different interval time and start time. AlarmManager can handle that. I want to know how many alarms can be set in one application? How much memory do you have? I need many alarms and at least 1 month interval time in my application. No you don't. You need one periodic alarm for every 24 hours. You then need zero or more other alarms to cover the specific events that need to fire at specific times within the current day. -- Mark Murphy (a Commons Guy)http://commonsware.com _The Busy Coder's Guide to Android Development_ Version 2.0 Available! --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Parsing special code types with SAX Parser.
Hello, I have XML file with gb2312 code type, when I use SAX parser, it have error info: not well-formated (invalid token). How should I do ?Thanks. some lines of xml file: ?xml version=1.0 encoding=gb2312? rss version=2.0 channel title![CDATA[hello world]]/title description新闻/description ... --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Early Look Android 1.5 SDK
+1 Thank you guys On Tue, Apr 14, 2009 at 7:58 AM, Pd lotusscr...@gmail.com wrote: +1 Al Sutton wrote: To Xav, Dave, JBQ, Dianne, Romain, and anyone else involved in getting this out there. THANK YOU. You may not literally get a thousand thank yous in your mail box, but it'll probably be said a thousand times in various ways by developers around the world. Al. --- * Written an Android App? - List it at http://andappstore.com/ * == Funky Android Limited is registered in England Wales with the company number 6741909. The registered head office is Kemp House, 152-160 City Road, London, EC1V 2NX, UK. The views expressed in this email are those of the author and not necessarily those of Funky Android Limited, it's associates, or it's subsidiaries. -Original Message- From: android-developers@googlegroups.com [mailto:android-develop...@googlegroups.com] On Behalf Of Xavier Ducrohet Sent: 14 April 2009 00:31 To: android-developers@googlegroups.com; android-beginn...@googlegroups.com Subject: [android-developers] Early Look Android 1.5 SDK Hello developers! I'm pleased to announce the release of an early look of the Android 1.5 SDK. More information and download link at: http://android-developers.blogspot.com/2009/04/getting-ready-for-android-15 . html Have fun! Xav -- Xavier Ducrohet Android Engineer, Google. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: TDD with Android 1.5
In my humble setup the test application is separate to the actual application but references it so that the required classes can be used. http://code.google.com/p/miffed/source/browse/#svn/trunk/MiffedTest%3Fstate%3Dclosed As such I can choose to install Miffed (The name of my app) or MiffedTest. Upon installation of the latter I can run tests from the command line as descibed in the comments of AllTests; What you're referring to is a configuration requirement that predates 1.5 so no doubt you can find the solution to this problem better explained within this archive. http://groups.google.com/group/android-beginners/browse_thread/thread/92cae3fad38643a4?pli=1 http://dtmilano.blogspot.com/2008/11/android-testing-on-android-platf.html Gav On Tue, Apr 14, 2009 at 8:43 AM, zlu zhao.lu...@gmail.com wrote: Thanks for the link. I created a similar manifest file and got this error: [2009-04-14 00:28:22 - followme] Error generating final archive: duplicate entry: AndroidManifest.xml How do you fix that, now that I have 2 manifest files in different locations? On Apr 13, 11:16 pm, Xavier Ducrohet x...@android.com wrote: Looks at the manifest in SDK/platforms/android-1.5/samples/ApiDemos/tests/AndroidManifest.xml Xav On Mon, Apr 13, 2009 at 11:13 PM, zlu zhao.lu...@gmail.com wrote: I found this link: http://developer.android.com/guide/samples/ApiDemos/tests/src/com/exa. .. and wrote a very similar test. I tried to run it from Eclipse as android junit test and got this error: The application does not declare uses-library android.test.runner. How do I specify that? On Apr 13, 9:51 pm, zlu zhao.lu...@gmail.com wrote: There's better support for JUnit in 1.5. I'm trying to test-driven a service class. I see ServiceTestCase.java in 1.5. My question is has anyone written their own test case extending this (if it is supposed to be extended)? I could find any example online and positron doesn't see to have any support for testing services. Thanks, Zhao -- Xavier Ducrohet Android Engineer, Google. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Running exclusively SmallTests
Hi all, To build a test suite containing only small tests I looked at the source examples and found SmallTests.javahttp://www.google.co.in/codesearch/p?hl=en#SS2by_AKaLs/tests/src/com/android/email/SmallTests.javaq=android%20package:git://android.git.kernel.org%20SmallTestsin the email app test source. I assumed that I would need to add a Predicate%20http://www.google.co.in/codesearch/p?hl=en#uX1GffpyOZk/core/java/com/android/internal/util/Predicate.javato such a class as this seems not to distinguish test sizes (Unless the test runner infers this from the name of the suite?). I could then add the predicate to a TestSuiteBuilder via 'addRequirements%20http://developer.android.com/reference/android/test/suitebuilder/TestSuiteBuilder.html#addRequirements%28com.android.internal.util.Predicate%3Candroid.test.suitebuilder.TestMethod%3E...%29' but I couldn't work out how to build a predicate based on the annotation class SmallTest. Eventually I found the InstrumentationTestRunnerhttp://developer.android.com/reference/android/test/InstrumentationTestRunner.htmldocumentation and it seems that the command; adb shell am instrument -w -e size small com.android.foo/android.test.InstrumentationTestRunner Does the trick. I post this information for reference but also to ask if the former option is possible, i.e. if there is a simple predicate that I could create to isolate SmallTest annotated tests? Just for interests' sake :) Gav --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Writing PerformanceTestCases
Hi All, Does anyone have a simple example of a PerformanceTestCasehttp://www.google.co.in/codesearch/p?hl=en#uX1GffpyOZk/core/java/android/test/PerformanceTestCase.javaI want to get some timing metrics for certain business logic functions in my ap. Until now I have been using the current milliseconds and logging functionality but if there is a better way to gather performance metrics I'd love to hear it. Do I have to implement the Intermediates interface or am I missing something? Kind regards, Gav --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: file written to /sdcard is missing AND USB Mass Storage option missing AND no browsable drive valid...
which permission need be added? On Apr 9, 10:49 am, Richard Schilling richard.rootwirel...@gmail.com wrote: Problem solved. There was nothing wrong - it was a permissions problem. Richard On Apr 8, 6:43 pm, Richard Schilling richard.rootwirel...@gmail.com wrote: O.K., Three problems in one, perhaps all related? My application writes data to a file in the /sdcard directlry. There are no errors during the write. But, the file never shows up on the card, in the file browser (on the device - I use Glance). Where did the file go? When trying to browse the device from my desktop, I notice the USB Mass Storage option is missing .. .guess that's expected since others in the forum explain that it was removed in this version. But, I can't get my PC to browse the memory card when it's stored in the phone. So, I'm stuck. Yech. Any one know what's going on? This all just seems to add up to a flaky memory management problem, but I can't be sure. Cheers, Richard- Hide quoted text - - Show quoted text - --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: How to login to the root of Android Dev Phone 1?
Hi Guys, I'm having the same issue. I just go a dev phone and i'm used to wiping the database of my ap by removing it using eclipse from the /data/data/my-ap's-namespace/databse.db location. Now i'm developing on a dev phone I don;t have access to /data/. I've installed terminal emulator but I need to know what command to use as a recursive chmod on data returns the error message 'bad mode'. # chmod 777 -R /data/ Any help greatly appreciated! I'm trying different database setups, the sql is bundled with the apk, the database remains upon reinstallation of the app via eclipse and hence I need to remove it manually (A better approach would also be a welcome suggestion). Cheers, Gav On Sun, Apr 5, 2009 at 4:26 AM, havexz bali.param...@gmail.com wrote: Well i finally get the solution..u have to use the su command to login as root and then have to change the permissions for the folder (in my case its data). Once done that then you can easily move files using the eclipse DDMS from the Android Dev Phone 1. But remember you also need to change the permissions for the file that you want to copy from the deviceAnd the pull and push commands only work outside su so you have to change permissions using su and den try pull or push. Thanks a lot to Jean-Baptiste Queru who helped me with su. On Mar 25, 4:30 am, David Turner di...@android.com wrote: pull is an adb command, you need to run it on the host (there is no easy way to send a file to your host from the system). E.g. adb pull device-path host-path On Wed, Mar 25, 2009 at 4:34 AM, havexz bali.param...@gmail.com wrote: well i am able to access the folder but still unable to get the files out to local system .. the following is the snap shot. Here i had run the su command and the prompt changes from $ to # # pull pull pull: not found # help help help: not found # On Mar 24, 1:28 am, havexz bali.param...@gmail.com wrote: THANKS ITS WOKRING..:) BTW is there a way i can access using the UI DDMS which comes with eclipse IDE.? On Mar 23, 10:40 pm, Jean-Baptiste Queru j...@android.com wrote: Run su in your shell, and you'll be running arootshell. JBQ On Mon, Mar 23, 2009 at 7:45 PM, havexz bali.param...@gmail.com wrote: Also tried login to shell using adb but i am unable to browse to that directory.. the error is given below: $ ls ls sqlite_stmt_journals cache sdcard etc init default.prop logo.rle init.trout.rc data system init.goldfish.rc sys proc init.rc sbin root dev $ ls data ls data opendir failed, Permission denied $ On Mar 23, 9:43 pm, havexz bali.param...@gmail.com wrote: I am unable to copy the files from the data folder of the Android Dev Phone 1. I used to do that on the Emulator. I need to back up the application data so that I can restore it. -- Jean-Baptiste M. JBQ Queru Android Engineer, Google. Questions sent directly to me that have no reason for being private will likely get ignored or forwarded to a public forum with no further warning. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Failed to create email account on emulator.
Hello, When I create email account, it prompts Unable to open connection to server. But the browser application can connect to server after I add proxy setting in settings.db. Is there other settings for email application? Thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Passing ArrayList across actvities
I have the same codes with you. I don't know the type of MyList, but I think you should new it before use it. like this: ArrayListString aList = new ArrayListString(); aList.add(new String(hello1)); intent.putExtra(MyList, aList ); it can work. On Apr 7, 1:07 pm, a...@lg l.prade...@gmail.com wrote: Hi all, I have an ArrayListMyList aList in an activity. I would like to send this data to another activty. Such that, ArrayListMyList aList; Intent intent = new Intent(); intent.setClass(mainactivity.this, newActivity.class); intent.putExtra(MyList, aList ); startActivity(intent); Will this work out..?? On the receiving activity, Intent i = getIntent(); newList = (ArrayListMyList) i.getSerializableExtra(MyList); But this gets me no where ERROR..!!! Please help me..how to approach this problem... My intention is to share this List between activities... --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Taking a picture Intent?
Hey, Currently you can only get a very small resolution image but I expect this to be changed in Cupcake (I don't know though). android.media.action.IMAGE_CAPTURE Is the intent you want search this list for it to get mroe info, on the emulator this yields a very low resolution still image from the movie office space I think, very strange. Or is that just happening to me? OpenIntents is a great resource for this sort of question http://www.openintents.org/en/intentstable Gav On Mon, Apr 6, 2009 at 10:33 AM, zeeshan genx...@gmail.com wrote: Hi, i have the same question, anybody answer plz On Apr 6, 4:07 am, Ivan Soto ivanso...@gmail.com wrote: Hi, I have an Activity for my application to take pictures and store them with a content provider. The problem is that obviously I would like the picture to auto rotate depending if I have my phone in landscape or not and I would like to use the autofocus feature. So I'm wondering if I could just call a Camera app intent and get the URI of the picture taken. is that possible? I remind reading that it will only give me a small size picture. Thanks! Ivan Soto Fernandez Web Developerhttp://ivansotof.com --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Image Manipulation - getPixel on a PNG resource error - bug?
Hi all!
I am trying to perform a transformation on an image, specifically a PNG
although any lossless format supported by Android would suit me, when
running my test suite I keep getting errors that the new pixel values I'm
creating are slightly wrong.
To narrow the problem I ran my tests with a single pixel PNG image and got
some bizarre results. I started by opening the file with gimp and using the
pippet to grab the argb value (Not very scientific I know) the pixel has the
following properties;
Red: 250
Green: 114
Blue:142
Hex: 0xFA728E
Binary: 0b1010 01110010 10001110
To me this suggests the file is stored in 32 bit depth and not the RGB_565
later reported, do images in res/raw get reduced to 16 bit when packaged
with an application?
In my test case I check that the values agree in the preconditions
@SmallTest
public void testPreconditions() {
super.testPreconditions();
assertEquals(String.format(Get Pixel doesn't map to test data
%n%s%n%s%n,MiffedTest.getBitPattern(b.getPixel(0,0)),
MiffedTest.getBitPattern(*0xfffa728e*)),b.getPixel(0,0), 0xfffa728e);
}
I eventually get the following report;
Failure in testPreconditions:
junit.framework.AssertionFailedError: Get Pixel doesn't map to test data
0111 01110001 10001100
1010 01110010 10001110
expected:-560756 but was:-363890
I decode the single pixel PNG using the following command;
b =
BitmapFactory.decodeResource(getContext().getResources(),R.raw.test);
The config for b is RGB_565 , this worries me, I was using the format in the
hope that it was lossless but 16 bit colour is not a great sign, I feel like
the crux of this issue lies in the conversion from RGB_565 - ARGB_
which much take place in the getPixel method.
Does anyone know why these values are out? They're such minor amounts but
the issues grow the more work I do to an image.
How is the conversion from the RGB_565 format to the 32 bit integer returned
by getPixel done? Some low end bits seem to be set so it's not the method
I'm used to.
Is there any other way to get at the raw pixel data if the methods are
inaccurate?
Is there any way for me to store or convert a PNG in ARGB_ on the
platform? I just need to be able to get the exact 32 bit value of any pixel
from the image.
Any information would be greatly appreciated.
Kind regards,
Gav
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[android-developers] Re: How can I source-level debugging in unit test caes in android under eclipse with ADT?
Hi Ying, Did you ever work out how to debug using adb shell am instrument? I can't work out what the flag to allow this is. Kind regards, Gav On Mon, Feb 2, 2009 at 8:09 PM, ying lcs ying...@gmail.com wrote: By following this: http://dtmilano.blogspot.com/2008/11/android-testing-on-android-platf.html I can run the unit test cases either by : 1. command line ' adb shell am instrument -w com.example.android.apis.tests/android.test.InstrumentationTestRunner' 2. Go to 'Dev' and clicks 'Instrumentation' and click 'Test API Demo' But my questions now is, how can I debug my unit test cases? I try 'Debug' my APIDemoTest eclipse project and then do #2 above, it did not break at any of my breakpoints I setup. Thank you for any pointers --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: How can I source-level debugging in unit test caes in android under eclipse with ADT?
http://developer.android.com/reference/android/test/InstrumentationTestRunner.html * To debug your tests, set a break point in your code and pass: -e debug true in addition to the other arguments. * Knew i'd read it somewhere! Gav On Sat, Mar 14, 2009 at 8:53 PM, Gavin Aiken gavin.ai...@imperial.ac.ukwrote: Hi Ying, Did you ever work out how to debug using adb shell am instrument? I can't work out what the flag to allow this is. Kind regards, Gav On Mon, Feb 2, 2009 at 8:09 PM, ying lcs ying...@gmail.com wrote: By following this: http://dtmilano.blogspot.com/2008/11/android-testing-on-android-platf.html I can run the unit test cases either by : 1. command line ' adb shell am instrument -w com.example.android.apis.tests/android.test.InstrumentationTestRunner' 2. Go to 'Dev' and clicks 'Instrumentation' and click 'Test API Demo' But my questions now is, how can I debug my unit test cases? I try 'Debug' my APIDemoTest eclipse project and then do #2 above, it did not break at any of my breakpoints I setup. Thank you for any pointers --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: JUnit and ClassNotFoundException
Hi Xav, Thanks for the tip, I'm still having trouble setting up the test project; File New Android Project Create new android project Create Project from existing source android/android-sdk-linux_x86-1.1_r1/samples/ApiDemos/tests ! No activity name defined in /home/gavin/Work/android/android-sdk-linux_x86-1.1_r1/samples/ApiDemos/tests/AndroidManifest.xml. I understand that I have to add ApiDemos to the build path but I have to create the project first. Apologies if this is a bit of a silly question, I imagine the answer is right in front of me but I can't work it out. Kind regards, Gavin On Fri, Mar 6, 2009 at 10:40 PM, Xavier Ducrohet x...@android.com wrote: The only way to test code that uses Android API is on a device or emulator. Look at instrumentation projects such as the ApiDemos test project (samples/ApiDemos/tests/) You will need to create an Eclipse project for ApiDemos and one of the test project. ADT doesn't fully support this at this point, so you'll need to add the ApiDemos project to the build path of the test project so that it compiles. You then need to install both apk on the device, and use the am instrument ... command on the device (through adb shell). More information at http://developer.android.com/reference/android/test/InstrumentationTestRunner.html Xav On Fri, Mar 6, 2009 at 1:24 PM, Gavin Aiken gavin.ai...@imperial.ac.uk wrote: Hi Bo, Did you resolve this issue? I'm having a similar problem. My test suite is a separate eclipse project, I need to test my android program against a desktop Java program in order to verify that I have ported the application correctly. To so this I need to use classes from both the JAI library and Android library. My test package is currently setup as a java project, I assumed the JAI library wouldn't compile to dex but that the android classes would compile to java class files. I'm guessing that the latter is incorrect as any methods I call return a stub error; 60. return Bitmap.createBitmap(pixels, 0, width, width, height, Bitmap.Config.ARGB_); java.lang.RuntimeException: Stub! at android.graphics.Bitmap.createBitmap(Bitmap.java:27) at uk.ac.ic.doc.gea05.miffed.operators.concreteoperators.binary.TestIdentityTransform.generateBitmap(TestIdentityTransform.java:60) I'm presuming that I can't get this to work, and submit this comment for reference. If there is a way to use Java Libraries in a test with android api calls then please let me know! Gav On Tue, Jan 6, 2009 at 10:07 AM, Bo bo.majew...@gmail.com wrote: I am trying to run a unit test in Eclipse. I followed Android FAQ (http://code.google.com/android/kb/troubleshooting.html#addjunit) to get JUnit working. Unfortunately, it works only if tested code does not reference any android classes. As soon as it does, I get the following exception, when running the test (if the class in question implements Parcelable): Caused by: java.lang.ClassNotFoundException: android.os.Parcelable at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:316) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:288) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:374) ... 33 more I tried including android.jar file explicitly, but then I got an exception claiming that RectF (an instance variable in my class) is a stub. Anybody knows how to setup Eclipse to run a unit test with classes that either implement, extend or use android classes? -- Xavier Ducrohet Android Engineer, Google. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] How to hide signal icon and clock icon at status bar?
Hello, I want to hide the two icons but not the whole status bar when user enters my application. After exit my application, the two icons can be re-displayed. How should I do ? thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Bitmaps (.bmp) don't show up in 'Pictures' when on SDCard
Thanks clark, I wasn't aware png was lossless, I changed the format and it all works fine! Cheers, Gav On Sat, Mar 7, 2009 at 5:35 PM, clark clarkd...@gmail.com wrote: The .png file format employs lossless data compression. You may give that a try. I even through a .png image onto my SD card and it shows up within the Pictures application just fine. ~Clark On Mar 7, 8:13 am, Gav gav.ai...@googlemail.com wrote: Hi, For the purpose of testing I need to store some small (20x20px) bitmaps on the SDCard of the emulator. If I store the files in jpg format then media scanner picks them up and I can view them with the stock 'Pictures' application. When I use the '.bmp' file format as created via the JAI based tool I am testing, the files do not show up on the phone, a look at the file explorer shows the files to be there next to their jpg equivalents on the SDCard under the folder pictures. I mount the SDCard to add the files if it makes any difference. I need the files to be lossless ARGB_ format, is there something other than .bmp I can use? Kind regards, Gav --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] SimpleCursorAdapter and OnListItemClick - Simple question
Hi guys,
I use a SimpleCursorAdapter like this;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
this.getIntent().getIntExtra(category, -1);
Integer category = this.getIntent().getIntExtra(category,
-1);
SqliteFilterMediator mediator = new
SqliteFilterMediator(this);
ListAdapter adapter =
new SimpleCursorAdapter(this,
R.layout.row,
c,
new String[] {column},
new int[] {R.id.name});
setListAdapter(adapter);
}
public void onListItemClick(ListView parent, View v, int position,
long id) {
// Position doesn't necessarily map to _id
setResult(RESULT_OK, this.getIntent().putExtra(_id,
position));
finish();
}
I want to return the 'id' which is paired with the text on the ListItem in
the database (And in the cursor). Currently I return the position of the
list item clicked.
The cursor might return items with ids that are out of order with the
position of the list, or it could contain gaps in the sequence of integers,
as such the position isn't enough to map to the id of the row selected in
the database so that I can act acordingly.
I hope my situation makes sense, I think it might involve displaying the id,
casing the view clicked and somehow grabbing the displayed integer back as
the id, this seems a bit ridiculous though so I'm hoping there is a simpler
way to retrieve the id without making another database query.
Many thanks!
Gav
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[android-developers] Re: SimpleCursorAdapter and OnListItemClick - Simple question
This works for me;
private Cursor c;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
Integer category = this.getIntent().getIntExtra(category, -1);
mediator = new SqliteMediator(this);
c = mediator.getFitlerNames(category);
ListAdapter adapter =
new SimpleCursorAdapter(this,
R.layout.row,
c,
new String[] {column},
new int[] {R.id.name});
setListAdapter(adapter);
}
public void onListItemClick(ListView parent, View v, int position, long
id) {
c.moveToPosition(position);
int filterId = c.getInt(0);
c.close();
mediator.onStop();
setResult(RESULT_OK, new Intent().putExtra(_id, filterId));
finish();
}
On Sun, Mar 8, 2009 at 7:56 PM, Gavin Aiken gavin.ai...@imperial.ac.ukwrote:
Hi guys,
I use a SimpleCursorAdapter like this;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
this.getIntent().getIntExtra(category, -1);
Integer category = this.getIntent().getIntExtra(category,
-1);
SqliteFilterMediator mediator = new
SqliteFilterMediator(this);
ListAdapter adapter =
new SimpleCursorAdapter(this,
R.layout.row,
c,
new String[] {column},
new int[] {R.id.name});
setListAdapter(adapter);
}
public void onListItemClick(ListView parent, View v, int position,
long id) {
// Position doesn't necessarily map to _id
setResult(RESULT_OK, this.getIntent().putExtra(_id,
position));
finish();
}
I want to return the 'id' which is paired with the text on the ListItem in
the database (And in the cursor). Currently I return the position of the
list item clicked.
The cursor might return items with ids that are out of order with the
position of the list, or it could contain gaps in the sequence of integers,
as such the position isn't enough to map to the id of the row selected in
the database so that I can act acordingly.
I hope my situation makes sense, I think it might involve displaying the
id, casing the view clicked and somehow grabbing the displayed integer back
as the id, this seems a bit ridiculous though so I'm hoping there is a
simpler way to retrieve the id without making another database query.
Many thanks!
Gav
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[android-developers] Re: JUnit and ClassNotFoundException
Hi Bo, Did you resolve this issue? I'm having a similar problem. My test suite is a separate eclipse project, I need to test my android program against a desktop Java program in order to verify that I have ported the application correctly. To so this I need to use classes from both the JAI library and Android library. My test package is currently setup as a java project, I assumed the JAI library wouldn't compile to dex but that the android classes would compile to java class files. I'm guessing that the latter is incorrect as any methods I call return a stub error; 60. return Bitmap.createBitmap(pixels, 0, width, width, height, Bitmap.Config.ARGB_); java.lang.RuntimeException: Stub! at android.graphics.Bitmap.createBitmap(Bitmap.java:27) at uk.ac.ic.doc.gea05.miffed.operators.concreteoperators.binary.TestIdentityTransform.generateBitmap(TestIdentityTransform.java:60) I'm presuming that I can't get this to work, and submit this comment for reference. If there is a way to use Java Libraries in a test with android api calls then please let me know! Gav On Tue, Jan 6, 2009 at 10:07 AM, Bo bo.majew...@gmail.com wrote: I am trying to run a unit test in Eclipse. I followed Android FAQ (http://code.google.com/android/kb/troubleshooting.html#addjunit) to get JUnit working. Unfortunately, it works only if tested code does not reference any android classes. As soon as it does, I get the following exception, when running the test (if the class in question implements Parcelable): Caused by: java.lang.ClassNotFoundException: android.os.Parcelable at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:316) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:288) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:374) ... 33 more I tried including android.jar file explicitly, but then I got an exception claiming that RectF (an instance variable in my class) is a stub. Anybody knows how to setup Eclipse to run a unit test with classes that either implement, extend or use android classes? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Gesture detection using touchscreen and accelerometer
Hi Guys, I want to use gestures for navigation in my application. The classic would be to draw clockwise / counter clockwise on the screen for zooming. Does this functionality exist as is? Any third party libraries? Any reason why I shouldn't attempt to write one if it doesn't exist? I had a decent search and all I could find was this; http://groups.google.com/group/android-challenge/browse_thread/thread/9a43583613bb5c2c And this; http://www.youtube.com/watch?v=-ybFRlq1hm4 Which are both pretty cool! Nothing concrete though, there's also an empty google code project; http://code.google.com/p/android-gestures/ Can anyone point me in the right direction? I want to focus on an innovative and intuitive UI for my project and I think gestures are the way to go. Cheers, Gav --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Populating a database efficiently
Hi all,
It currently takes my onCreate method 147 seconds to create and populate my
database, if anyone with a better knowledge of SQLite could help me reduce
this it would be greatly appreciated.
I have want to create a database with three tables;
1. CREATE TABLE nodeConfigurations (nodeId INTEGER PRIMARY KEY
AUTOINCREMENT NOT NULL , filterId INTEGER NOT NULL , left INTEGER NOT
NULL , right INTEGER NOT NULL , type INTEGER NOT NULL , parameters
TEXT);
2. CREATE TABLE data (dataId INTEGER PRIMARY KEY AUTOINCREMENT NOT
NULL , dataName TEXT NOT NULL );
3. CREATE TABLE nodes (nodeId INTEGER PRIMARY KEY NOT NULL ,
nodeType TEXT NOT NULL );
These three lines are stored in a file under the raw directory, one command
on each line.
I have data to insert of the form;
1. 24 x INSERT INTO nodes VALUES(1,'type');
2. 1000 x INSERT INTO data VALUES(1,'name');
3. 13589 x INSERT INTO nodeConfigurations VALUES(1,1000,5,6,1,'[]');
These 14614 separate insertion commands are stored one on each line in
another file in the raw resource directory.
My database helper is defined thus;
public class DBHelper extends SQLiteOpenHelper {
public void onCreate(SQLiteDatabase db) {
this.db = db;
long start = System.currentTimeMillis();
try{
Scanner sql = new
Scanner(context.getResources().openRawResource(R.raw.database_schema));
db.beginTransaction();
while(sql.hasNextLine()){
String command = sql.nextLine();
db.execSQL(command);
}
db.endTransaction();
sql = new
Scanner(context.getResources().openRawResource(R.raw.database_data));
db.beginTransaction();
while(sql.hasNextLine()){
String command = sql.nextLine();
db.execSQL(command);
}
db.endTransaction();
}catch (Throwable t) {
Toast.makeText(context, Exception: +t.toString(),2000).show();
Log.w(FilterDB, Database initialization failed);
t.printStackTrace();
}
Log.i(FilterDBHelper,Database created in + (System.currentTimeMillis()
- start) + Milliseconds);
}
}
Checking the log I can see that the creation and inserts took a
whopping 147seconds I must be doing something wrong.
02-20 15:42:37.703: INFO/FilterDBHelper(281): Database created in 147844
Milliseconds
Any advice would be greatly appreciated!
Kind regards,
Gavin
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[android-developers] Content Providers and Database initialisation
Hey, I have a plethora of data which is currently stored in 1000 different very small text files, I want to store this data in an SQLite database as I feel that this will be more space efficient and hopefully time efficient as I presume a database query is faster than opening and parsing a text file (please stop me now if this isn't the case!). The data does not need to be available to other applications and will be used internally only. My first question is whether or not to create a content provider anyway, is there any benefit to this? My second question is where to initialize the database, is it possible to ship an application with a database included already populated? Do I have to populate it in the onCreate method of the SQLiteOpenHelper subclass? If I have to include the 1000 text files and read, parse and insert the data at install time I have a feeling this would be slow. Is it possible for me to populate the database now, dump it to a single file and then bulk insert from the file in the onCreate method? I hope you get the jist of what I mean! Many thanks, Gav --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Loading DEX files at runtime from SDCARD - Possible?
Thanks for the response Dianne, I still live in the cotton wool word of
University where third parties are friendly types.
Understood, I did some more searching and found another thread in which you
contributed regarding this topic;
http://groups.google.com/group/android-developers/browse_thread/thread/7ee9248deeacd556/b116df9cffe4e045?lnk=gstr#b116df9cffe4e045
In case anyone else is on this trail.
I will also reply to your message there as I need a little
further clarification on the options available for a plugin style
architecture.
Kind regards,
Gavin
On Mon, Feb 9, 2009 at 8:03 PM, Dianne Hackborn hack...@android.com wrote:
Sorry, this is not currently supported.
And you really really wouldn't want to do this, because it would allow any
other app installed on the device to take over your own and use any of its
permissions for malicious purposes under the guise of being you.
On Mon, Feb 9, 2009 at 5:09 AM, Gav gav.ai...@googlemail.com wrote:
Hey!
BACKGROUND
I would like my users to develop their own routines for image
manipulation. Lets presume that a third party has written a class
which implements one of my interfaces;
public abstract class PixelBinaryFilter extends BinaryFilter{
...
protected abstract int generatePixel(int p1, int p2);
...
}
And hence has a class with one method defined, which could multiply
pixel values together, subtract them find their lowest common multiple
basically any routine they can think of.
This class would be complied and then converted to DEX using the dx
tool.
The third party would then download the .dex file to their phones
SDCARD, probably via my application using a 'Get New Routines' request
which takes the URL of the file.
QUESTION
If I have a .dex file on the SDCARD how can I load it at runtime? The
class name and path would be known.
I have been using the Class.forName command for the standard routines
but I don't know how (if) this will work with classes outside of the
application.
Many thanks,
Gavin
--
Dianne Hackborn
Android framework engineer
hack...@android.com
Note: please don't send private questions to me, as I don't have time to
provide private support. All such questions should be posted on public
forums, where I and others can see and answer them.
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[android-developers] Re: Make a photo with Android Emulator
There is a command line tool for making an SD card, you then need to pass it in as a command line argument to the emulator. Presuming tools is in your PATH; Command line: mksdcard 1024M sd.iso Argument to emulator: -sdcard C:\PATH_TO_SD\sd.iso Add files manually: adb push local_file sdcard/remote_file A quick google search for Android sdcard yielded this previous question; http://groups.google.com/group/android-developers/browse_thread/thread/9d068936b43c5f27?pli=1 with a link to a tutorial should you need further instruction. Hope this helps! Gav On Thu, Jan 22, 2009 at 10:18 AM, ANDREA P andrewpag...@gmail.com wrote: If I use the Camera of Emulator appear this text :Please insert the SDCARD before using the Camera How do I simulate a SDCARD Thanks ! On 21 Gen, 21:06, Dave Sparks davidspa...@android.com wrote: You need to call startPreview() before takePicture. You also need to supply a PictureCallback function to receive the encoded JPEG. By passing null, you are telling the camera service you don't want the final JPEG image. On Jan 21, 2:50 am, ANDREA P andrewpag...@gmail.com wrote: I want to use the camera tomakeaphotosnapshot with Android . At the beginning in my code : Camera mCamera = Camera.open(); PictureCallback callback = null; mCamera.takePicture(null, null, callback); but nothing doesn't happen And if I Use the program Camera of the phone Emulator says that I have to insert the SD Card. Please Help me..Thanks --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Emit a signal
Hey Nico, Can you clarify the question, you want an action to be performed after a button is clicked? As in with a button listener? Or is your request more complex than this? Cheers, Gav On Wed, Jan 21, 2009 at 8:31 AM, Nico nicolas.d...@gmail.com wrote: Hi, I need to emit a signal clicked to a button. How can I do it ? Thx. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] GUI Design - Are there standards for user interface design in Android?
Hi all, I am doing some background research for an Android project and was wondering if there are any good journals or books which look at user interface design. I remember taking a more general UI class which taught us about the Gestalt principles etc but I'm looking for any research done on small touch screen devices. I'd be interested in any more general texts that you have found useful also. User interface design isn't my forte and it'd be great to follow a set of guidelines to try and abide by. I appreciate that using Widgets should take care of a lot of the UI design for me but this is a university project and I need to do some background research none the less. Many thanks in advance! Gav --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Looking for a TextView with hyperlinks
Has anyone opensourced a TextView that will render urls as clickable links (fire up WebKit on receiving a clickc event) ? If not, I'll write one myself. Thanks Gavin --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] Announcing the new M5 SDK! http://android-developers.blogspot.com/2008/02/android-sdk-m5-rc14-now-available.html For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] SQL aggregate functions via SqlQueryBuilder
Hi, I want to run a query of the form: select sum(salary) from people where department=23 I'm not sure how to do it via the SqlQueryBuilder? Is there an alternative solution ? Thanks all. Regards. Gavin --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] Announcing the new M5 SDK! http://android-developers.blogspot.com/2008/02/android-sdk-m5-rc14-now-available.html For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: SQL aggregate functions via SqlQueryBuilder
Just discovered SQLiteDatabase.rawQuery( ... ) --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] Announcing the new M5 SDK! http://android-developers.blogspot.com/2008/02/android-sdk-m5-rc14-now-available.html For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Why do I get this SQLiteCursor exception ?
Specifically what causes this to happen ? Thanks. DEBUG/dalvikvm(927): Exception Ljava/lang/IllegalStateException; from SQLiteCursor.java:403 not caught locally INFO/dalvikvm(927): Uncaught exception thrown by finalizer (will be discarded): INFO/dalvikvm(927): Ljava/lang/IllegalStateException;: Finalizing cursor [EMAIL PROTECTED] on reports that has not been deactivated or closed INFO/dalvikvm(927): at android.database.sqlite.SQLiteCursor.finalize(SQLiteCursor.java:403) INFO/dalvikvm(927): at android.dalvik.NativeStart.run(Native Method) DEBUG/SurfaceFlinger(513): Surface 2, heap=0x1236e0 destroyed DEBUG/SurfaceFlinger(513): Surface 1, heap=0x1236e0 destroyed DEBUG/SurfaceFlinger(513): Surface 1, heap=0x1236e0 destroyed DEBUG/SurfaceFlinger(513): Surface 0, heap=0x1236e0 destroyed DEBUG/SurfaceFlinger(513): Surface 1, heap=0x1236e0 destroyed DEBUG/AdContentProvider(927): insert DEBUG/AdContentProvider(927): inserted new uricontent://org.mape.ad/ads/1 DEBUG/AdServerService(927): received Advert for uuid c60e02e1-2ae6-707a6b41e445-Advert28 saved as content://org.mape.ad/ads/1 VERBOSE/org.android.server.service.AdUnitDownloadServiceImpl$2(641): Message (what=2) received DEBUG/AdUnitDownloadService(641): numOfCallbacks 1 DEBUG/AdUnitDownloadService(641): Broadcast advert c60e02e1-2ae6-707a6b41e445-Advert32 INFO/DEBUG(490): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** INFO/DEBUG(490): pid: 927, tid: 1164 org.android.client INFO/DEBUG(490): signal 11 (SIGSEGV), fault addr 03e4 INFO/DEBUG(490): r0 001d r1 400898c8 r2 0140 r3 INFO/DEBUG(490): r4 00f9 r5 ffeb r6 0012ae18 r7 0012ae18 INFO/DEBUG(490): r8 r9 0140 10 fp 400898c8 INFO/DEBUG(490): ip 000e5c20 sp 42ccc644 lr ac035304 pc ac034ff0 cpsr 2010 INFO/DEBUG(490): #01 pc ac034ff0 /system/lib/libsgl.so INFO/DEBUG(490): #01 lr ac035304 /system/lib/libsgl.so INFO/DEBUG(490): #02 pc unknown INFO/DEBUG(490): stack: INFO/DEBUG(490): 42ccc600 03c0 INFO/DEBUG(490): 42ccc604 afe0e5d8 /system/lib/libc.so INFO/DEBUG(490): 42ccc608 03c0 INFO/DEBUG(490): 42ccc60c 0140 INFO/DEBUG(490): 42ccc610 afe3c34c INFO/DEBUG(490): 42ccc614 afe0e448 /system/lib/libc.so INFO/DEBUG(490): 42ccc618 0012ae18 [heap] INFO/DEBUG(490): 42ccc61c c000 INFO/DEBUG(490): 42ccc620 01b4 INFO/DEBUG(490): 42ccc624 afe0b1df /system/lib/libc.so INFO/DEBUG(490): 42ccc628 00179718 [heap] INFO/DEBUG(490): 42ccc62c 0140 INFO/DEBUG(490): 42ccc630 42a42f2c INFO/DEBUG(490): 42ccc634 INFO/DEBUG(490): 42ccc638 df002777 INFO/DEBUG(490): 42ccc63c e3a070ad INFO/DEBUG(490): 42ccc640 0003 INFO/DEBUG(490): == 42ccc644 400898c8 INFO/DEBUG(490): 42ccc648 INFO/DEBUG(490): 42ccc64c 0012ae18 [heap] INFO/DEBUG(490): 42ccc650 ac034fc4 /system/lib/libsgl.so INFO/DEBUG(490): 42ccc654 0140 INFO/DEBUG(490): 42ccc658 42a42f2c INFO/DEBUG(490): 42ccc65c INFO/DEBUG(490): 42ccc660 0577 INFO/DEBUG(490): 42ccc664 ac035304 /system/lib/libsgl.so INFO/DEBUG(490): 42ccc668 INFO/DEBUG(490): 42ccc66c ac1067ec /system/lib/libsgl.so INFO/DEBUG(490): 42ccc670 0064 INFO/DEBUG(490): 42ccc674 000e5c20 [heap] INFO/DEBUG(490): 42ccc678 INFO/DEBUG(490): 42ccc67c 42ccc6a8 INFO/DEBUG(490): 42ccc680 03ec INFO/DEBUG(490): 42ccc684 ac034764 /system/lib/libsgl.so INFO/DEBUG(490): 42ccc688 ac034878 /system/lib/libsgl.so INFO/DEBUG(490): 42ccc68c ac034824 /system/lib/libsgl.so INFO/DEBUG(490): 42ccc690 00150238 [heap] INFO/DEBUG(490): 42ccc694 e0ffd8ff INFO/DEBUG(490): 42ccc698 464a1000 INFO/DEBUG(490): 42ccc69c 01004649 INFO/DEBUG(490): 42ccc6a0 0101 INFO/DEBUG(490): 42ccc6a4 0100 INFO/DEBUG(490): 42ccc6a8 INFO/DEBUG(490): 42ccc6ac INFO/DEBUG(490): 42ccc6b0 INFO/DEBUG(490): 42ccc6b4 INFO/DEBUG(490): 42ccc6b8 INFO/DEBUG(490): 42ccc6bc INFO/DEBUG(490): 42ccc6c0 INFO/DEBUG(490): 42ccc6c4 INFO/DEBUG(490): 42ccc6c8 INFO/DEBUG(490): 42ccc6cc INFO/DEBUG(490): 42ccc6d0 INFO/DEBUG(490): 42ccc6d4 INFO/DEBUG(490): 42ccc6d8 INFO/DEBUG(490): 42ccc6dc INFO/DEBUG(490): 42ccc6e0 INFO/DEBUG(490): 42ccc6e4 INFO/DEBUG(490): 42ccc6e8 INFO/DEBUG(490): 42ccc6ec INFO/DEBUG(490): 42ccc6f0 INFO/DEBUG(490): 42ccc6f4 INFO/DEBUG(490): 42ccc6f8 INFO/DEBUG(490): 42ccc6fc INFO/DEBUG(490): 42ccc700 INFO/DEBUG(490): 42ccc704 INFO/DEBUG(490): 42ccc708 INFO/DEBUG(490): 42ccc70c
