[android-developers] Re: Orientation : onStop onDestroy called from BACK key or not ?

[EboMike]

That is a very bad way of doing it. What if the user presses the HOME
button? What if the user goes to a different activity using the
notification bar? The camera button? What if it's a device that allows
switching activities using a custom button?

Relying on a button press to detect the lifetime of your application
is a major hack and bound to break in many ways.

You might want to read the documentation for the Activity class to see
how the lifetime of an application works. It goes in detail about what
each stage does: onPause wants you to suspend your threads. onDestroy
means your app will be gone for good if isFinishing() is set.

If you want to handle the specific case of an orientation change, you
can respond to onConfigurationChanged().

I would strongly advise against any kind of hacks circumventing those
methods.
What are you trying to do in your back button code?

-Mike


On Sep 17, 2:28 pm, Nanard bsegon...@free.fr wrote:
 I have founded !  Thanks

 I should not rely on onStop() nor onDestroy() to know when I quit my
 Activity.

 The only safe way is :

   @Override
     public boolean onKeyDown(int keyCode, KeyEvent event) {

         if (keyCode == KeyEvent.KEYCODE_BACK) {
         ...  do some cleaning here
         }
         return super.onKeyDown(keyCode, event);
     }
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[android-developers] xml unescape

[rooster 808]

Any tools in java/android sdk to unescape a escaped xml string?
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[android-developers] Re: SensorEvent value array ownership

[Dianne Hackborn]

That sounds dangerous to me (depending on such implementation details).  If
you need to keep the data around, just copy it into another array you have
to hold it.

On Fri, Sep 18, 2009 at 8:56 PM, Rud rudmerr...@gmail.com wrote:


 I can understand the reasoning. My Galactic Guardian game breaks a lot
 of OO rules with many more static fields and no get/set methods than I
 would ever use normally. Another area I really want to revisit to see
 how these impact performance. But I followed the guidelines in the
 developers web site.

 One the sensor data issue, would it be safe to assume that the
 values arrays always contain valid data for all 3 sensors? At least
 after each sensor has been received once?

 In order to use the rotation routines you need the magnetic and
 accelerometer data. This requires keeping one of them locally while
 waiting for the other to be updated. But if it is valid to use the
 reference to the underlying array making a copy would not be
 necessary.

 I suspect the real answer is not to depend on the behavior since it
 might change in the future.



 Rud
 http://mysticlakesoftware.com/

 On Sep 18, 5:21 pm, Dianne Hackborn hack...@android.com wrote:
  This is actually an anti-Java way of doing things, but useful for
  performance. :}
 
 
 
 
 
  On Fri, Sep 18, 2009 at 2:21 PM, Rud rudmerr...@gmail.com wrote:
 
   Hi,
 
   I found the same thing working with the sensors. My comments are at
  http://mysticlakesoftware.blogspot.com/. Its something I need to
   revisit because I am not sure I have retained a copy or references to
   the underlying value. Still adjusting to some of the Java way of doing
   things.
 
   Rud
  http://mysticlakesoftware.com/
 
   On Sep 18, 1:06 pm, Daber m.a.dabrow...@gmail.com wrote:
Hi,
 
I've been experimenting with gsensors on dev phone and I think i
 found
something that needs explanation.
 
The appliaction was comparing g readings with previously read values
in following manner
float[] mPrevious;
 
float[] v  = event.values;
 
// .. compare //
 
mPrevious = v;
 
but after while all comparisions were  equal.
 
It seems that event reuses float array object to provide new data in
the old array after some time (mPrevious and event.values is the same
object).
 
Now here is The question:
 Who has object ownership  -the gsensor framework and i have to
 make
a copy
 Me - and this is a bug
 
BR,
 
Michał Dąbrowski
 
  --
  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.- Hide quoted text -
 
  - Show quoted text -
 



-- 
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.

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[android-developers] Get dimension from R.attr in Java code

[an0]

Resources.getDimensionPixelSize
(android.R.attr.listPreferredItemHeight) does not work.
So how to?
And any other way to specify resolution independent dimension values
in Java code?
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[android-developers] Re: ADC2 entries so far...

[croco]

Under Games: Arcade/Action submitted for ADC2

World of Bombs (http://www.zeugame.com/wob2)

This Game offers the first Clounding Multiplayer game available on
Android
and computers
It allows you to play easy and fast battles to up 4 players. with any
kind
configuration whatever you use  Android or  your Computer
eg : players are mixed between Android Devices and Web Browsers in an
homogeneous game whatever you are in the bus or in your living room.

World of Bombs currently has the following
features
- A public chat,
- Capability to create your own game
- World wide ranking
- Buddy List
It's updated regularly, currently the version is freezed for keeping
the
Android version compatible with the cloud server version.

Thank you and have a good challenge
Croco

- Show quoted

On Sep 18, 6:31 pm, kabir kab...@gmail.com wrote:
 Education/Reference
 ---

 mobilematics -http://www.mobilematics.co.uk

 On Sep 13, 6:12 pm, Mobidev android.mobi...@gmail.com wrote:



  Its mid September and ADC team will soon launch the ADC 2 judging
  application. So far its been a great job by the ADC team with sticking
  to the submission deadline and swift uploads(leaving aside package
  name confusion among the participants).

  Meanwhile, below are about 105 ADC2 entries posted on forum. In case
  of new additions or corrections please reply to this discussion with
  category app name links. ADC1 saw about 1788 apps and my guess
  is ADC2 will see a tleast 2500 apps considering the tight deadline
  (could have been much higher(4K+) otherwise).

  From the trend it seems that the Miscellaneous category has far less
  entries than Prod/Tools and Games(both) categories. Possibly, 21st
  ranking entry under Prod/Tools could be much better than 3rd ranking
  entry under Misc category. Unlike ADC1, this time Category will be a
  key factor in winning; along with Originality, Effective Platform Use,
  Polish and Indispensability.

  --- 
  --
  Education/Reference
  Librarium IIhttp://steveoliverc.squarespace.com/
  Math Jungle
  Mystic Maggiehttp://www.phdgaming.com/general_media/mm/
  Vivify picture: mathhttp://vivifypicture.com/

  Entertainment
  Daisy Gardenhttp://www.tomgibara.com/android/daisy/garden/
  Taps Of Firehttp://code.google.com/p/tapsoffire

  Games: Arcade/Action
  CowPotato 3Dhttp://www.froogloid.com/cowpotato
  FRGhttp://www.woogames.com/
  Galactic Guardian: Zap 
  GPShttp://sites.google.com/site/mysticlakesoftware/
  Graviturnhttp://www.cyrket.com/package/com.fheft.graviturn
  Head To Head Racinghttp://headtoheadracing.appspot.com/
  Light Racer 3D Trial
  ProjectINFhttp://www.chickenbrickstudios.com/
  UrbanGolf
  X-Dischttp://www.youtube.com/watch?v=3EkH-b15fPY
  Zepto Wars - RTS

  Games: Casual/Puzzle
  Furdiburbhttp://www.sheado.net/
  Goobers Vs. Boogershttp://goobersvsboogers.blogspot.com/
  ongPayhttp://www.yakloingames.com/
  Relativiahttp://www.polyclefsoftware.com/relativia.html
  Splat!: Bugs IIhttp://dkdroid.com
  What the Doodle!?
  Lifestyle
  Beer Cloudhttp://greatbrewers.com/story/beercloud-mobile-app
  Bottle Buzz
  DoIthttp://curvefish.com/apps/doit.htm
  FoxyRing  http://www.levelupstudio.fr/foxyring
  Gigboxhttp://www.mygigbox.com/
  NetDroid
  NotiMe!http://www.youtube.com/watch?v=wFjoZmrj40k
  ReaderScopehttp://www.altcanvas.com/android/readerscope
  Rhythmatics Alphahttp://www.twitter.com/brownbaggames
  SpecTrek

  Media
  Gallery Map
  geoPastehttp://www.geopaste.com/
  Mediafly Mobile Audio Podcast Client
  MicroJam
  MicroJam
  MyPODhttp://www.my-pod.org/
  PackRathttp://packrat.unwesen.de/
  Time-Lapsehttp://www.sheado.net/
  Uloopshttp://www.uloops.net/

  Misc
  Local Agentshttp://local-agents.appspot.com/
  picjiggles litehttp://www.yakloingames.com/

  Productivity/Tools
  Alarmoidhttp://www.youtube.com/watch?v=yNcVkP_vK08
  aListhttp://androidalist.blogspot.com
  AppManagerhttp://curvefish.com/apps/appmanager.htm
  GeoAlerthttp://sites.google.com/site/appyoursmobile/geoalert
  Hoccerhttp://www.hoccer.com/
  MobileWrite
  Mobisle Noteshttp://www.facebook.com/pages/MobisleApps/127994296229
  MyPageshttp://www.youtube.com/watch?v=75lR4zLy_LQ
  OpenLoopzhttp://sites.iode.co.uk/openloopz/
  Personalyticshttp://personalytics.net/
  Skiba PDF Readerhttp://www.anddev.org/skiba_pdf_reader-t6122.html
  Smart Lockhttp://www.youtube.com/watch?v=ipue9Yhi5VA
  Talking Calendarhttp://www.pwnwithyourphone.com/
  

[android-developers] Re: BaseAdapter.getV iew()’s convertView parameter

[Mark Murphy]

Carmen Delessio wrote:
 Watch this video:
 http://code.google.com/events/io/sessions/TurboChargeUiAndroidFast.html
 Check Mark Murphy's book http://commonsware.com/Android/index.html
 
 Read several posts here:
 http://www.androidguys.com/2008/07/14/fancy-listviews-part-one/
 
 Short answer: 
 ConvertView is a previously returned view. You can reuse it without
 having to make a view from scratch.
 So you can avoid costly operations.  So you are correct about optimization.
 See the holder pattern.

Thanks for the shout-out!

Since those blog posts are as old as the hills (in Android years), I
make the chapter in my original book that covers this topic available as
a free excerpt:

http://commonsware.com/Android/excerpt.pdf

For short lists, convertView is not a big deal. For long lists, it's
rather important to avoid creating ten tons of (memory) garbage.

-- 
Mark Murphy (a Commons Guy)
http://commonsware.com | http://twitter.com/commonsguy

_Android Programming Tutorials_ Version 1.0 Available!

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[android-developers] taking picture / use camera in android sdk 1.6

[Stefan]

Hello,

i tried an old(er) example / tutorial to capture a picture from the
camera.
But android.hardware.CameraDevice; cannot be resolved. Has the name
changed or have somebody a good tutorial for android 1.6 and the
camera??

Thanks,
Stefan

PS: If I press a button, I want to open the Camera and make a picture.
After that i want to save the picture on a sdcard and go back to my
activity.
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[android-developers] Re: taking picture / use camera in android sdk 1.6

[Mark Murphy]

Stefan wrote:
 Hello,
 
 i tried an old(er) example / tutorial to capture a picture from the
 camera.
 But android.hardware.CameraDevice; cannot be resolved. Has the name
 changed or have somebody a good tutorial for android 1.6 and the
 camera??
 
 Thanks,
 Stefan
 
 PS: If I press a button, I want to open the Camera and make a picture.
 After that i want to save the picture on a sdcard and go back to my
 activity.

The camera is now called Camera, if you want to take still pictures.
Video recording is handled through MediaRecorder.

Here are a couple of sample projects that demonstrate the use of the Camera:

http://github.com/commonsguy/cw-advandroid/tree/master/Camera/

There is also this sample activity from the API Demos that accompany the
SDK:

http://developer.android.com/guide/samples/ApiDemos/src/com/example/android/apis/graphics/CameraPreview.html

-- 
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http://commonsware.com | http://twitter.com/commonsguy

_The Busy Coder's Guide to *Advanced* Android Development_
Version 1.1 Available!

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[android-developers] Re: ADC2 entries so far...

[Hunter Peress]

Entertainment.

What's Shakin'

http://whatsshakin.codejanitor.us/

What's Shakin' is a percussion instrument that feels  sounds like an
acoustic shaker (shake your phone!) - so good, you can play to LIVE
music or songs on your phone. Settings include: sensitivity, number of
beads, visualization, vibration. Latin salsa dance sampler performance
mopimp beats hiphop rap sing. By MoPimp.
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[android-developers] DisplayMetrics issue on Android1.6 SDK

[lianwei]

I got a issue with DisplayMetrics.

        DisplayMetrics dm = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(dm);
        Log.d(TEST, dm.widthPixels + x + dm.heightPixels);


If I do not specify the uses-sdk android:minSdkVersion=4 / or
supports-screens android:anyDensity=true/supports-screens, then
the value of dm.widthPixels and heightPixels is wrong on QVGA and WVGA
screen. e.g. on QVGA, the return value is 320x427.

If this is a bug on Android1.6 SDK?

For chinese users, please see http://easyandroid.com/bbs/viewthread.php?tid=19
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[android-developers] A bug with android 1.5 when deleting a phone using delete()

[Alex Tang]

Test on HTC GPhone, android sdk version is 1.5

Uri uri = Uri.withAppendedPath(Phones.CONTENT_URI, 25);   // 25 is
known as id of one phone
this.getContentResolver().delete(uri, null, null);

with exception:

09-19 17:48:35.543: ERROR/JavaBinder(117): *** Uncaught remote
exception!  (Exceptions are not yet supported across processes.)
09-19 17:48:35.543: ERROR/JavaBinder(117):
android.database.CursorIndexOutOfBoundsException: Index 0 requested,
with a size of 0
09-19 17:48:35.543: ERROR/JavaBinder(117): at
android.database.AbstractCursor.checkPosition(AbstractCursor.java:580)
09-19 17:48:35.543: ERROR/JavaBinder(117): at
android.database.AbstractWindowedCursor.checkPosition
(AbstractWindowedCursor.java:172)
09-19 17:48:35.543: ERROR/JavaBinder(117): at
android.database.AbstractWindowedCursor.getLong
(AbstractWindowedCursor.java:99)
09-19 17:48:35.543: ERROR/JavaBinder(117): at
com.android.providers.contacts.ContactsProvider.fixNumberIndicator
(ContactsProvider.java:2718)
09-19 17:48:35.543: ERROR/JavaBinder(117): at
com.android.providers.contacts.ContactsProvider.deleteInternal
(ContactsProvider.java:3139)
09-19 17:48:35.543: ERROR/JavaBinder(117): at
android.content.AbstractSyncableContentProvider.delete
(AbstractSyncableContentProvider.java:276)
09-19 17:48:35.543: ERROR/JavaBinder(117): at
android.content.ContentProvider$Transport.delete(ContentProvider.java:
150)
09-19 17:48:35.543: ERROR/JavaBinder(117): at
android.content.ContentProviderNative.onTransact
(ContentProviderNative.java:150)
09-19 17:48:35.543: ERROR/JavaBinder(117): at
android.os.Binder.execTransact(Binder.java:287)
09-19 17:48:35.543: ERROR/JavaBinder(117): at
dalvik.system.NativeStart.run(Native Method)

but this problem never appers in emulator, my emulatro sdk version is
1.5_r3.

Does anyone meet this problem and have solution? Thanks
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[android-developers] Re: YouTube in the emulator?

[Felix Oghina]

Thanks, your Activity is great and I might just use it (I have to
speak with a manager - the reason why I used quotes is because he's
actually my brother :P). Still, I think an application would be more
'polished' if it was able to launch the standard YouTube application
(I'm all for standardization). In your blog post you mention one of
the reasons for using this custom Activity as not losing the user to a
foreign Activity. That shouldn't be a problem with Android (as opposed
to the iPhone), thanks to the Activity stack (correct me if I'm wrong,
I'm still a newbie with Android).

I have a proposal for this. If we somehow knew the Intents that the
YouTube application puts out (maybe Google should publish them? or if
someone has an Android-powered device, maybe he/she can somehow
inspect it?), we could make a simple yet incredibly useful application
that responds to those same intents, but doesn't actually do anything
-- just display something like If I were the YouTube app, I'd play
the video with ID asd876gs.

I have another question: on an actual device (I don't have one), if
you open a YouTube video page in the browser, does the YouTube app
automatically launch and play that video?

On Sep 19, 4:36 am, dadical keyes...@gmail.com wrote:
 If you just want to be able to play YouTube videos, you're welcome to
 use my free Activity that I wrote.  Just drop the source in your
 project and change the package and you should be pretty close to ready
 to play YouTube videos.  It's barebones, but it takes care of all of
 the hard stuff with respect to YouTube, and you have the source so you
 can do whatever you want with it.  Find it here:

 http://keyeslabs.com/joomla/index.php/blogs/i-think-im-becoming-an-an...

 Hope that helps!

 On Sep 18, 7:39 pm, Felix Oghina felix.ogh...@gmail.com wrote:

  How can I get the YouTube application in the emulator? I want to
  create an application that launches YouTube clips and I need to test
  my Intents. I can't find anything related to this in the docs.
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[android-developers] Re: YouTube in the emulator?

[Felix Oghina]

But it's still made by Google, isn't it? So it's standard across all
devices?

On Sep 19, 2:43 am, Mark Murphy mmur...@commonsware.com wrote:
 Felix Oghina wrote:
  How can I get the YouTube application in the emulator? I want to
  create an application that launches YouTube clips and I need to test
  my Intents. I can't find anything related to this in the docs.

 You can't, legally. That application is licensed to handset
 manufacturers and is not part of the Android open source project.

 --
 Mark Murphy (a Commons 
 Guy)http://commonsware.com|http://twitter.com/commonsguy

 Android App Developer Books:http://commonsware.com/books.html
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[android-developers] Re: ADC2 entries so far...

[Mobidev]

This ADC2 entries list is updated and moved to 'Android Discuss' group
at:
http://groups.google.com/group/android-discuss/browse_thread/thread/b0111088236fb0a3#


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[android-developers] Re: taking picture / use camera in android sdk 1.6

[Stefan]

thanks a lot,

the example work fine!!

Greets,
Stefan

On Sep 19, 11:31 am, Mark Murphy mmur...@commonsware.com wrote:
 Stefan wrote:
  Hello,

  i tried an old(er) example / tutorial to capture a picture from the
  camera.
  But android.hardware.CameraDevice; cannot be resolved. Has the name
  changed or have somebody a good tutorial for android 1.6 and the
  camera??

  Thanks,
  Stefan

  PS: If I press a button, I want to open the Camera and make a picture.
  After that i want to save the picture on a sdcard and go back to my
  activity.

 The camera is now called Camera, if you want to take still pictures.
 Video recording is handled through MediaRecorder.

 Here are a couple of sample projects that demonstrate the use of the Camera:

 http://github.com/commonsguy/cw-advandroid/tree/master/Camera/

 There is also this sample activity from the API Demos that accompany the
 SDK:

 http://developer.android.com/guide/samples/ApiDemos/src/com/example/a...

 --
 Mark Murphy (a Commons 
 Guy)http://commonsware.com|http://twitter.com/commonsguy

 _The Busy Coder's Guide to *Advanced* Android Development_
 Version 1.1 Available!
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[android-developers] Re: Hero technical question

[Fred Grott(Android Expert)]

I would imagine they have to follow the GSM spec for GSM networks..

Fred Grott
http://mobilebytes.wordpress.com

On Sep 17, 6:43 pm, AndroidKing rbasso...@gmail.com wrote:
 can you tell me if the  MEID  which is the device ID on the Hero phone
 is going to be 15 digits
 is it hex or decimal???
 I am developing Hero applications and this is very important.
 Is it going to be unique from other IMEA (GSM) phones that have
 Android???
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[android-developers] Re: YouTube in the emulator?

[Mark Murphy]

Felix Oghina wrote:
 But it's still made by Google, isn't it? So it's standard across all
 devices?

Only those devices that license it.

For example, it is unclear if the Archos 5 Android devices have YouTube.
I rather doubt they do, as Al Sutton has indicated they do not have the
Android Market, and I think those get licensed together.

It is not safe to assume that all Android devices will have all of the
commercially-licensed Android bits, like Android Market, YouTube, and
Google Maps.

-- 
Mark Murphy (a Commons Guy)
http://commonsware.com | http://twitter.com/commonsguy

_Android Programming Tutorials_ Version 1.0 In Print!

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[android-developers] store data in registory

[Honest]

Hello,

i need to store data securely. So can some one tell me what should be
the best way to store it on device. Is there something like registory
in android.
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[android-developers] Is Zoom in out possible in Gallary View

[android.vinny]

HI all

Is Zoom in  out  possible in Gallary View to do 
if yes any body give me some ideas.


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[android-developers] EditText default action

[Felix Oghina]

Sorry about the naming of this topic, I couldn't think of something
more suited. I have a simple EditText View (single line) and want to
perform a certain action when the user presses Enter while it is
focused. Also, I would like to make it so that the virtual keyboard
says Go instead of Done and performs the same action when that
button is clicked. Is there a way to do this?

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[android-developers] Re: sending sms

[Saikat]

Thanks.. this is really helpful article. can i send a sms from my own
application and receive it by the same emulator in its existing
messaging application? In that case shall I need to do any kind of
settings external to my application? currently my sms sending
application sends it fine. But I am not able to trace if it is
actually sent. Even if I am using the port no of emulator as sender
number, the sms is not received. Please suggest.

I have another query. Can I view my posts directly or everytime I have
to search with my subject and then have to get my post?

On Sep 18, 2:14 am, Yusuf Saib (T-Mobile USA) yusuf.s...@t-
Mobile.com wrote:
 http://www.google.com/search?client=safarirls=enq=android+send+sms;...

         yields

 http://mobiforge.com/developing/story/sms-messaging-android

 Yusuf Saib
 Android
 ·T· · ·Mobile· stick together
 The views, opinions and statements in this email are those of the
 author solely in their individual capacity, and do not necessarily
 represent those of T-Mobile USA, Inc.

 On Sep 16, 9:46 pm, Saikat saikat0...@gmail.com wrote:

  Please let me know how can I cansendsmsfrom my application. Which
  api I need to use.
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[android-developers] Re: How do I start a new activity inside a tab? TabSpec.setContent(Intent) doesn't appear to work

[Wouter]

Hmm this is not working..

Got error, probably problem with tabonchangelistener..

Can you post an example of that?

On 18 sep, 22:44, nEx.Software email.nex.softw...@gmail.com wrote:
 Well, I'm not sure why you would get the TabSpec there, but I
 personally would replace:

 return;

 with something like:

 invokeOnTabChangeListener();
 return;

 Of course, this is not ideal because it is not a change...
 You could modify the interface to include an onTabReselected() method
 to keep the logic separate.

 On Sep 18, 1:16 pm, Wouter wouterg...@gmail.com wrote:

  Trying your second option now, but does not work..

          if (index == mCurrentTab) {
                  mTabSpecs.get(mCurrentTab);
          }

  Not correct right? :s

  On 18 sep, 22:06, nEx.Software email.nex.softw...@gmail.com wrote:

   Well, you could put a button in the MovieDetail to go back to Cinema
   list, or you could modify the setCurrentTab in TabHost to not bail out
   when clicking the already active tab. See lines 324-326.

   On Sep 18, 1:01 pm, Wouter wouterg...@gmail.com wrote:

Ok this works when i go to other tab and go back to original tab.

So if i open MovieDetail in CinemaActivity (cinema tab), cinema got
replaces by MovieDetail. if i open Video tab and go back to Cinema, it
shows cinemaActivity again, this is good!

But when i open MovieDetail in CInemaActivity (cinema tab) and click
on cinema tab again, it doesnt change.. It has to load cinemaActivity
again..

Code:

mTabHost.setOnTabChangedListener(new
my.android.widget.TabHost.OnTabChangeListener() {

          �...@override
           public void onTabChanged(String arg0) {
                int selectedTab = mTabHost.getCurrentTab();
                System.out.println(TAB:  + selectedTab);

                if (selectedTab == 0)
                {
                        refreshCinemaTab();
                }
           }
      });

    }

    public void refreshCinemaTab()
    {
        cinema.replaceContent(new android.content.Intent(this,
CinemaActivity.class));
    }

And cinema -- tab 0

How can i do this?

On 18 sep, 19:28, nEx.Software email.nex.softw...@gmail.com wrote:

 Register an OnTabChangeListener in your tab activity and handle it in
 there.

 On Sep 18, 10:10 am, Wouter wouterg...@gmail.com wrote:

  How can i do that?  It initates the tabs on create but when happens
  when i click on tab again.. where do i have to place the
  replaceContent code?

  On 18 sep, 19:01, nEx.Software email.nex.softw...@gmail.com 
  wrote:

   You'll have to replace the content again. :)

   On Sep 18, 9:58 am, Wouter wouterg...@gmail.com wrote:

Nice works great!

But when i switch to other tab and go back to cinema tab my
MovieDetail is still open and when i click on Cinema in tabs it 
doest
change to my cinema activity..

How can i go back now?

On 18 sep, 18:49, nEx.Software email.nex.softw...@gmail.com 
wrote:

 Well, you could do it a couple ways... One way, for example:

 In CinemaActivity:

 Home parentActivity = ((Home) this.getParent());
 parentActivity.cinema.replaceContent(new 
 android.content.Intent(this,
 MovieDetail.class))

 On Sep 18, 9:30 am, Wouter wouterg...@gmail.com wrote:

  Hey,

  Thank you!

  But I have some questions..

  I now declarate my tabs in Home.java (my tabs are now at 
  bottom).
  I have 4 tabs: Cinema, Video,TV and search.

  These 4 tabs are 4 different activities with lists. When i 
  click on a
  list item in cinema activity I have to open 
  MovieDetail.java (now it
  opens in new activity without tabs) and the tabs have to 
  stay at the
  bottom.
  But how can i reach my custom tabspec cinema in 
  CInemaActivity so i
  can do replaceContent -- cinema.replaceContent(new
  android.content.Intent(this, MovieDetail.class));

  Wouter

  On 18 sep, 17:51, nEx.Software 
  email.nex.softw...@gmail.com wrote:

   I was planning on writing a full blown tutorial but since 
   I can tell
   you are anxious to see it... This is a 1.5 compatible 
   version that
   uses modified versions of the TabActivity, TabHost, and 
   TabWidget (and
   related resources) from Android 1.6. There are obvious 
   things that
   could be done better but the idea is there and should at 
   least get you
   headed in the right direction.

  http://nexsoftware.net/Android/Tutorials/CustomTabActivity.zip

   On Sep 18, 6:36 am, Wouter wouterg...@gmail.com wrote:

Thank you so much!

On Sep 18, 3:03 

[android-developers] Re: You must supply a resource ID for a TextView

[Wouter]

Do you know a solution?

On 18 sep, 19:00, Wouter wouterg...@gmail.com wrote:
 This is the function:

 public View getView(int position, View convertView, ViewGroup parent)
 {
                 int sectionnum = 0;
                 for(Object section : this.sections.keySet()) {
                         Adapter adapter = sections.get(section);
                         int size = adapter.getCount() + 1;

                         // check if position inside this section
                         if(position == 0) return headers.getView(sectionnum, 
 convertView,
 parent);
                         if(position  size) return adapter.getView(position - 
 1,
 convertView, parent);

                         // otherwise jump into next section
                         position -= size;
                         sectionnum++;
                 }
                 return null;
         }

 93: -- if(position == 0) return headers.getView(sectionnum,
 convertView, parent);

 resource file:

 ?xml version=1.0 encoding=utf-8?
 LinearLayout
         xmlns:android=http://schemas.android.com/apk/res/android;
         android:orientation=horizontal android:layout_width=fill_parent
         android:layout_height=fill_parent
         

       ImageView android:id=@+id/imgCinema
      android:layout_width=60px
      android:layout_margin=5px
      android:src=@drawable/icon
       android:layout_height=80px
     /ImageView

 LinearLayout
         android:orientation=vertical android:layout_width=fill_parent
         android:layout_height=fill_parent
         

 TextView
         android:id=@+id/text1
     android:layout_width=fill_parent
     android:layout_height=wrap_content
     android:textSize=16px
     android:textStyle=bold
     android:text=FilmTitle/

     LinearLayout
         android:orientation=horizontal
         android:layout_width=wrap_content
         android:layout_height=wrap_content
         
      RatingBar android:id=@+id/cinemarating
             style=?android:attr/ratingBarStyleSmall
             android:layout_width=wrap_content
             android:layout_height=wrap_content
             android:layout_gravity=center_vertical /
     TextView
         android:id=@+id/votes
     android:layout_width=fill_parent
     android:layout_height=wrap_content
         android:textSize=12px
     android:text=votes/
     /LinearLayout
     TextView
         android:id=@+id/genre
     android:layout_width=fill_parent
     android:layout_height=wrap_content
         android:textSize=12px
     android:text=genre/
     TextView
         android:id=@+id/regisseur
     android:layout_width=fill_parent
     android:layout_height=wrap_content
         android:textSize=12px
     android:text=regisseur/
     TextView
         android:id=@+id/acteurs
     android:layout_width=fill_parent
     android:layout_height=wrap_content
             android:textSize=12px
     android:text=acteurs/

 /LinearLayout

 /LinearLayout

 But without this seperatedlistadapter it is working (was working
 before with it too). So don't know what problem is..

 hope you can help me!

 Wouter
 On 18 sep, 18:41, Yusuf Saib (T-Mobile USA) yusuf.s...@t-

 Mobile.com wrote:
  Where in your code is SeparatedListAdapter.java:93? And can you post
  the resource xml as well?

  Yusuf Saib
  Android
  ·T· · ·Mobile· stick together
  The views, opinions and statements in this email are those of the
  author solely in their individual capacity, and do not necessarily
  represent those of T-Mobile USA, Inc.

  On Sep 18, 7:16 am, Wouter wouterg...@gmail.com wrote:

   I removed my seperatedlistadapter and now it worked.. :s But it was
   working before with my seperatedlistadapter :(

   On 18 sep, 14:47, Wouter wouterg...@gmail.com wrote:

Really dont find what the problem is, the weird is it worked and i
havent changed anything :(

On 18 sep, 12:02, Wouter wouterg...@gmail.com wrote:

 Hey,

 I have a weird problem. For days i have a working list with movie
 details i get from an xml rpc source. It loads the list very well and
 I tried it again today and when i scroll down, always at the same list
 item it gives me this error. I don't know what the problem is. It
 shows my list items very good and now not anymore. If you want i can
 give you my source code too! And it worked a few days ago and now
 suddenty not :(

 09-18 11:50:00.940: ERROR/ArrayAdapter(1561): You must supply a
 resource ID for a TextView
 09-18 11:50:00.950: DEBUG/AndroidRuntime(1561): Shutting down VM
 09-18 11:50:00.950: WARN/dalvikvm(1561): threadid=3: thread exiting
 with uncaught exception (group=0x4001aa28)
 09-18 11:50:00.950: ERROR/AndroidRuntime(1561): Uncaught handler:
 thread main exiting due to uncaught exception
 09-18 11:50:00.990: ERROR/AndroidRuntime(1561):
 java.lang.IllegalStateException: ArrayAdapter requires the resource ID
 to be a TextView
 09-18 11:50:00.990: 

[android-developers] problem in checkbox....

[ragavendran s]

I am new to Android Development.
can u tell anybody. how can i retrieve data from mysql database and
display in Checkbox.

Thanks in Advance.

With regards,
Raghav.S

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[android-developers] Re: Android 1.6 SDK is here!

[Fred Grott(Android Expert)]

Good work..

Its also nice to see my  first contributions starting to show up in
the SDK versions..:) I look forward to making more contributions..

Fred Grott
http://mobilebytes.wordpress.com

On Sep 15, 5:22 pm, Xavier Ducrohet x...@android.com wrote:
 http://android-developers.blogspot.com/2009/09/android-16-sdk-is-here...

 Enjoy!
 --
 Xavier Ducrohet
 Android Developer Tools Engineer
 Google Inc.
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[android-developers] Re: Android Positions - Northern Virginia

[Fred Grott(Android Expert)]

You have been posting this since December..

Soome better details might help get the position filled..



On Sep 18, 10:15 am, J Kral jdk@gmail.com wrote:
 A startup company with a proven management team in the Northern Virginia
 area is seeking Java/Android senior and mid-level developers for immediate
 full time positions.  The company is engaged in the development of a unique
 mobile device for the consumer and professional marketplace.  The successful
 candidate must be able to work in small teams, be self-motivated, and thrive
 in a fast-paced environment.  Reward for success is considerable, both
 professionally and financially.

 *Job Description*

 Responsibilities include the design/development of innovative applications,
 intelligent network connectivity, database management, inter-task
 communications, and device management.  These individuals will be a part of
 the entire life-cycle of the product and will work closely with internal
 (SW/HW development, test, marketing, sales) and external groups (focus
 groups, customers, partners).

 *Skills/Experience*

 ·         Programming experience

             5+ years experience in programming JAVA, J2EE/J2ME, C++ for
 senior position

             2+ years experience in programming JAVA, J2EE/J2ME, C++ for
 mid-level position

 ·         Android experience is a must, Framework experience is a strong
 desire

 ·         Experience/Familiarity with mobile device development, wireless
 communications is a strong desire

 ·         Experience with SQLite is a plus

 ·         Experience with XML, SOAP is a plus

 ·         Knowledge of development life-cycle management (version control,
 documentation, test/support)

 *Education Requirements*

 ·         Bachelors of Computer Engineering, Computer Science, Electrical
 Engineering or equivalent experience

 *Benefits*

 ·         Competitive salary commensurate to experience

 ·         Comprehensive benefits (health, dental, life, 401K)

 ·         Stock options

 Email Resumes to:  jdk@gmail.com
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[android-developers] Re: BaseAdapter.getView()’s c onvertView parameter

[Robert Woodruff]

Thank you Carmen Delessio for replying. This is helpful!

On Sat, Sep 19, 2009 at 4:34 AM, Mark Murphy mmur...@commonsware.comwrote:


 Carmen Delessio wrote:
  Watch this video:
  http://code.google.com/events/io/sessions/TurboChargeUiAndroidFast.html
  Check Mark Murphy's book http://commonsware.com/Android/index.html
 
  Read several posts here:
  http://www.androidguys.com/2008/07/14/fancy-listviews-part-one/
 
  Short answer:
  ConvertView is a previously returned view. You can reuse it without
  having to make a view from scratch.
  So you can avoid costly operations.  So you are correct about
 optimization.
  See the holder pattern.

 Thanks for the shout-out!

 Since those blog posts are as old as the hills (in Android years), I
 make the chapter in my original book that covers this topic available as
 a free excerpt:

 http://commonsware.com/Android/excerpt.pdf

 For short lists, convertView is not a big deal. For long lists, it's
 rather important to avoid creating ten tons of (memory) garbage.

 --
 Mark Murphy (a Commons Guy)
 http://commonsware.com | http://twitter.com/commonsguy

 _Android Programming Tutorials_ Version 1.0 Available!

 


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[android-developers] Emulator dd command

[Francesco Pace]

Hi guys
I'm working on android emulator, how can i execute dd command?
I try with:

dd if=/dev/block/mtdblock1 of=/sdcard

but i have thìs error: I/O error...why?

Thanks,

Francesco

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[android-developers] Re: 1.6 SDK Arrow keys (dpad/trackball) dir not changing with orientation?

[polyclefsoftware]

Yep, I noticed this too.

Very annoying when you're working on an app primarily in landscape
mode and using trackball/pad input.

On Sep 16, 12:13 pm, Robert Green rbgrn@gmail.com wrote:
 Oh I'm certainly crazy.  :)

 On Sep 16, 12:07 pm, Mark Murphy mmur...@commonsware.com wrote:

  Xavier Ducrohet wrote:
   That's a really stupid bug...
   *sigh*

  On the plus side, it means Mr. Green and I aren't crazy.

  Well, OK, it means Mr. Green isn't crazy, and this incident is
  insufficient proof that I am crazy. ;-)

  --
  Mark Murphy (a Commons 
  Guy)http://commonsware.com|http://twitter.com/commonsguy

  Need Android talent? Ask on HADO!http://wiki.andmob.org/hado
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[android-developers] Re: Listview and scrolling

[Wouter]

Hey,

I am working on a new project now and I want to use a method as above.
But I hadn't used this anymore, because it doesnt worked for me..

I have this: http://snapplr.com/tp7p

So i have different widgets (TextView, ImageView) and this all in a
scrollview (because otherwise window doesnt scroll down when text goes
under page).
And then i have placed my listview in the scrollview? Don't know how
else i could do it. My view has to scroll and my listview has to be
under my other widgets as you can see on the image..

What is the best way i can do this? My activity is just extending
Activity and not ListActivity!

Wouter

On Aug 13, 5:03 pm, Wouter wouterg...@gmail.com wrote:
 Ok did a small test and that works. But now the other widgets also
 have a listselector (background) when going over it. How can i disable
 that?

 On 13 aug, 15:19, 王开发 android.fan...@gmail.com wrote:

  Hi
   In your ListActivity :
      View v = LayoutInflater.from(this).inflate(your_layout_xml,..);
      getListView().addHeaderView(v,);

  2009/8/13 Wouter wouterg...@gmail.com

   How can i use addHeaverView with widgets i have setup in the layout
   xml file?

   On 13 aug, 14:48, Wouter wouterg...@gmail.com wrote:
Is the use of  your MergeAdapter a good idea for me?

On 13 aug, 14:30, Mark Murphy mmur...@commonsware.com wrote:

 Wouter wrote:
  Now the problem is. I have a scrollview and all the other views and
  widgets are placed inside of it.

 One of those other widgets is a ListView. Do not put widgets that do
 their own scrolling (e.g., ListView) in a ScrollView.

  How can I fix this?

 Come up with some other approach to your UI that does not require a
 ScrollView to wrap the ListView. For example, perhaps you can put them
 all as rows in the ListView (e.g., addHeaderView()/addFooterView()).

 --
 Mark Murphy (a Commons Guy)http://commonsware.com|
  http://twitter.com/commonsguy

 Warescription: Three Android Books, Plus Updates, $35/Year
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[android-developers] Re: Trying to get Javascript on Android

[ebisudave]

Thank you everyone for the helpful information.

What I have learned so far:

* Android devices are limited in speed and power, so don't expect all
the same functionality of a computer.*
I understand this concept, and my initial suspicion is that this is
not the issue. I have one (1) slider on the page, and nothing else.

*setJavaScriptEnabled is relevant to webkit widgets, not web pages*
Okay, good to know I can remove that as a potential source of the
problem.

* http://www.nanaze.com/2009/01/debugging-javascript-on-android.html *
Thank you for the link, however, that article went way, way over my
head, at commercial airliner altitudes.

*If you can run a Google Map API on the phone, you should be able to
handle most JavaScript applications.*
I tested with the supplied URL, and it works fine on my phone. If this
elaborate map thing works on my phone, surely my slider should.

*It is a high enough probability that I am in Tokyo that Shawn is
willing to make wagers about that fact.*
That would be a safe bet.

*Testing can be done on the emulator*
... Which is nifty, but setting up the debugger part was, again, way
over the head of a web page making guy like me.

In the end, thank you all for the information. I've learned a little
more.

But I don't know if I'm much closer to a solution yet. Maybe if I get
this debugger thing worked out... but I'd rather be making web pages.

Is there no reference that outlines any special considerations for how
JavaScript runs on Android? Is Android *supposed* to run JavaScript
like any other JavaScript capable browser?
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[android-developers] Re: Listview and scrolling

[Mark Murphy]

Wouter wrote:
 Hey,
 
 I am working on a new project now and I want to use a method as above.
 But I hadn't used this anymore, because it doesnt worked for me..
 
 I have this: http://snapplr.com/tp7p
 
 So i have different widgets (TextView, ImageView) and this all in a
 scrollview (because otherwise window doesnt scroll down when text goes
 under page).
 And then i have placed my listview in the scrollview? Don't know how
 else i could do it. My view has to scroll and my listview has to be
 under my other widgets as you can see on the image..
 
 What is the best way i can do this? My activity is just extending
 Activity and not ListActivity!

Remember that a ListView does not have to have all of the same sort of
row. So, I would put it all in a ListView.

For similar sorts of UIs, I created the SackOfViewsAdapter and MergeAdapter:

https://www.google.com/accounts/o8/id?id=AItOawnQNC70ZHdz9I0RXR03e97k1RmZBhWBANQ

They are open source and are available off of my github page:

http://github.com/commonsguy

-- 
Mark Murphy (a Commons Guy)
http://commonsware.com | http://twitter.com/commonsguy

Looking for Android opportunities? http://wiki.andmob.org/hado

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[android-developers] Re: Resuming a Large File Download

[skyhigh]

I found how to resume the download without reading the previous data
using an HTTP Range request.  For others that need to do this, the
modified code is:

URL url = new URL(mInternetUrl);
HttpURLConnection connection = 
(HttpURLConnection)url.openConnection
();
if (mLocalFileSize  0) {
connection.addRequestProperty(Range, bytes= + 
mLocalFileSize +
-);
}
connection.connect();
int responseCode = connection.getResponseCode();
switch (responseCode) {
case HttpURLConnection.HTTP_OK:
mLocalFileSize = 0;
mInternetFileSize = connection.getContentLength();
break;
case HttpURLConnection.HTTP_PARTIAL:
// The server supports resume
mInternetFileSize = connection.getContentLength() + 
mLocalFileSize;
break;


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[android-developers] Re: How To Programmatically Turn On/Off WIFI?

[!oEL]

good point!!!

On 9月19日, 上午1时50分, Marco Nelissen marc...@android.com wrote:
 Sure you can, you just need a phone.



 On Fri, Sep 18, 2009 at 9:21 PM, !oEL runzhou...@gmail.com wrote:

  So there is no way I can really test it?

  On 9月18日, 下午1时07分, Roman ( T-Mobile USA) roman.baumgaert...@t-
  mobile.com wrote:
  You don't have Wifi support on the emulator 

  --
  Roman Baumgaertner
  Sr. SW Engineer-OSDC
  ·T· · ·Mobile· stick together
  The views, opinions and statements in this email are those of the
  author solely in their individual capacity, and do not necessarily
  represent those of T-Mobile USA, Inc.

  On Sep 17, 9:48 pm, !oEL runzhou...@gmail.com wrote:

   Thank you guys.

   I got rid of the Security Exceptions by adding a couple of
   permissions, including WAKE_LOCK, which appears to be the exception I
   got after adding the two WIFI ones.

   However, now I've managed to actually access the state, but in
   Emulator it tells me: Failed to load WIFI driver. The same thing
   happens when I use the built-in power control widget.

   On Sep 17, 12:48 am, Raphael r...@android.com wrote:

On Tue, Sep 15, 2009 at 8:36 PM, !oEL runzhou...@gmail.com wrote:

 Hi,

 Second question of the day, how do Iprogrammaticallyturn on/off
 WIFI?

There's an example at line 226 here:
 
http://code.google.com/p/autosettings/source/browse/trunk/AutoSetting...

R/
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[android-developers] Re: Trying to get Javascript on Android

[Mark Murphy]

ebisudave wrote:
 Is there no reference that outlines any special considerations for how
 JavaScript runs on Android?

Not that I have seen.

 Is Android *supposed* to run JavaScript
 like any other JavaScript capable browser?

On the whole, yes. Bear in mind that Android uses WebKit, so where you
see browser-specific instructions for Javascript libraries, follow those
for iPhone, Safari, or perhaps Chrome.

-- 
Mark Murphy (a Commons Guy)
http://commonsware.com | http://twitter.com/commonsguy

Need help for your Android OSS project? http://wiki.andmob.org/hado

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[android-developers] Re: Android Toast Duration

[Jason Van Anden]

On Thu, Jul 23, 2009 at 6:34 PM, Dianne Hackborn hack...@android.com wrote:
 It sounds like you are abusing toasts.  How about just showing your own
 dialog that is set up to not get focus or be touchable?  You can use this
 background to make it look like a toast:

 http://developer.android.com/reference/android/R.drawable.html#toast_frame

 And this animation style for the same fade effect:

 http://developer.android.com/reference/android/R.style.html#Animation_Toast


I am trying to do this and confused about the syntax for accessing the
toast_frame via theme xml.  Would appreciate example.

Thank You,
Jason



 On Thu, Jul 23, 2009 at 8:17 AM, Mohamed Amir mohamed.a...@gmail.com
 wrote:

 Is there a way to make the Toast last for longer time?

 I have tried this code

                        Toast t = new Toast(this);
                        View v = View.inflate(this, R.toast_layout, null);
                        t.setView(v);
                        t.setDuration(Toast.LENGTH_LONG);
                        t.show();
                        t.show();
                        t.show();

 By calling show() method more than once, I hoped this would give a
 similar effect to lasting for longer time with some flickering, but I
 didn't see any difference.
 Is there some limit to the number of times that show() method can be
 called on the same Toast? e.g. just once per toast instance and
 further calling has no effect?

 Any ideas to increase that duration?

 Thank you.




 --
 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.


 


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[android-developers] Re: Listview and scrolling

[Wouter]

Hey Mark,

The Demo from SackOfViewsAdapter looks really nice and i think this is
it what i am looking for.

But i have a layout xml file where i declarate all the widgets (yes
its a lot).
Do i have to put this layout file in seperate file (so for all that
has to come above the review list) and then do like this:

View v = LayoutInflater.from(this).inflate(your_layout_xml,..);

and then add this view to the arraylist of views? (like in the
SackOfViewsDemo).

I also have a custom adapter for my listview (list of rows)

Or how can i do this the best and easiest? :)

On 19 sep, 17:57, Mark Murphy mmur...@commonsware.com wrote:
 Wouter wrote:
  Hey,

  I am working on a new project now and I want to use a method as above.
  But I hadn't used this anymore, because it doesnt worked for me..

  I have this:http://snapplr.com/tp7p

  So i have different widgets (TextView, ImageView) and this all in a
  scrollview (because otherwise window doesnt scroll down when text goes
  under page).
  And then i have placed my listview in the scrollview? Don't know how
  else i could do it. My view has to scroll and my listview has to be
  under my other widgets as you can see on the image..

  What is the best way i can do this? My activity is just extending
  Activity and not ListActivity!

 Remember that a ListView does not have to have all of the same sort of
 row. So, I would put it all in a ListView.

 For similar sorts of UIs, I created the SackOfViewsAdapter and MergeAdapter:

 https://www.google.com/accounts/o8/id?id=AItOawnQNC70ZHdz9I0RXR03e97k...

 They are open source and are available off of my github page:

 http://github.com/commonsguy

 --
 Mark Murphy (a Commons 
 Guy)http://commonsware.com|http://twitter.com/commonsguy

 Looking for Android opportunities?http://wiki.andmob.org/hado
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[android-developers] A question about rtsp Streaming

[yjshi]

Hi,all.
   I met a very strange problem.And I can not understand the
reason of this happening.Recently I just create an app(that is using
mediaplayer ) to play the rtsp Streaming.At the beginning,I use the
sim card to connect to the internet.I try to let the app play for many
times .But it was only  success once.Many times the app could not play
and the buffer always shows 0%.While I use the WIFI to connect the
internet ,the rtsp could be played,but when I use the another WIFI to
connect to the internet,to my surprise it failed.Both the sim card and
WIFI ,it all could play the http Streaming.The rtsp Streaming is very
strange, I can not understand.I guess there is maybe something wrong
with Wireless. Thanks .
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[android-developers] Re: Listview and scrolling

[Mark Murphy]

Wouter wrote:
 But i have a layout xml file where i declarate all the widgets (yes
 its a lot).
 Do i have to put this layout file in seperate file (so for all that
 has to come above the review list) and then do like this:
 
 View v = LayoutInflater.from(this).inflate(your_layout_xml,..);
 
 and then add this view to the arraylist of views? (like in the
 SackOfViewsDemo).
 
 I also have a custom adapter for my listview (list of rows)
 
 Or how can i do this the best and easiest? :)

Either:

-- Put all of your widgets (outside of the custom adapter) in separate
layout files, or

-- Construct them in Java rather than use layout XML

It's conceivable to add support for loading a single layout file and
pouring all the root's children into the list, but I don't have that in
there right now.

-- 
Mark Murphy (a Commons Guy)
http://commonsware.com | http://twitter.com/commonsguy

Need help for your Android OSS project? http://wiki.andmob.org/hado

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[android-developers] Re: Listview and scrolling

[Wouter]

Ok thank you i will try putting them in seperate layout files now!

Will let you know if this all worked ;)

On 19 sep, 18:28, Mark Murphy mmur...@commonsware.com wrote:
 Wouter wrote:
  But i have a layout xml file where i declarate all the widgets (yes
  its a lot).
  Do i have to put this layout file in seperate file (so for all that
  has to come above the review list) and then do like this:

  View v = LayoutInflater.from(this).inflate(your_layout_xml,..);

  and then add this view to the arraylist of views? (like in the
  SackOfViewsDemo).

  I also have a custom adapter for my listview (list of rows)

  Or how can i do this the best and easiest? :)

 Either:

 -- Put all of your widgets (outside of the custom adapter) in separate
 layout files, or

 -- Construct them in Java rather than use layout XML

 It's conceivable to add support for loading a single layout file and
 pouring all the root's children into the list, but I don't have that in
 there right now.

 --
 Mark Murphy (a Commons 
 Guy)http://commonsware.com|http://twitter.com/commonsguy

 Need help for your Android OSS project?http://wiki.andmob.org/hado
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[android-developers] Re: Android Toast Duration

[Jason Van Anden]

I am close to sorting this out ... I will post my code when I know I got it.

There are a few threads on this topic that offer advice where an
example would be more useful (IMHO).

j

On Sat, Sep 19, 2009 at 12:11 PM, Jason Van Anden
jason.van.an...@gmail.com wrote:
 On Thu, Jul 23, 2009 at 6:34 PM, Dianne Hackborn hack...@android.com wrote:
 It sounds like you are abusing toasts.  How about just showing your own
 dialog that is set up to not get focus or be touchable?  You can use this
 background to make it look like a toast:

 http://developer.android.com/reference/android/R.drawable.html#toast_frame

 And this animation style for the same fade effect:

 http://developer.android.com/reference/android/R.style.html#Animation_Toast


 I am trying to do this and confused about the syntax for accessing the
 toast_frame via theme xml.  Would appreciate example.

 Thank You,
 Jason



 On Thu, Jul 23, 2009 at 8:17 AM, Mohamed Amir mohamed.a...@gmail.com
 wrote:

 Is there a way to make the Toast last for longer time?

 I have tried this code

                        Toast t = new Toast(this);
                        View v = View.inflate(this, R.toast_layout, null);
                        t.setView(v);
                        t.setDuration(Toast.LENGTH_LONG);
                        t.show();
                        t.show();
                        t.show();

 By calling show() method more than once, I hoped this would give a
 similar effect to lasting for longer time with some flickering, but I
 didn't see any difference.
 Is there some limit to the number of times that show() method can be
 called on the same Toast? e.g. just once per toast instance and
 further calling has no effect?

 Any ideas to increase that duration?

 Thank you.




 --
 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.


 



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[android-developers] Re: Listview and scrolling

[Mark Murphy]

Wouter wrote:
 Isn't this the right way to inflate?
 
 LayoutInflater inflater = (LayoutInflater)this.getSystemService
 (Context.LAYOUT_INFLATER_SERVICE);
   View filmLayout = inflater.inflate(R.layout.filmdetail_layout,
 null);
   plot = (TextView) filmLayout.findViewById(R.id.plot);
 
 filmdetail_layout is my seperate layout file.. I got a nullpointer
 exception when i try to set text in this view..
 
 Do i have to place this in newView like this?
 
 protected View newView(int position, ViewGroup parent) {
   TextView txt=new TextView(SackOfViewsDemo.this);
 
   txt.setText(items[(position-2)/2]);
 
   return(txt);
   }

Probably not. I would just use SackOfViewsAdapter directly (do not
subclass it), and call add() on it for each inflated view you want in
the list. See the onCreate() method in SackOfViewsDemo and how it adds
the clock and buttons.

In your case, if a layout file defines a single item to go into the
list, it would look like:

views.add(inflater.inflate(R.layout.filmdetail_layout, null));

-- 
Mark Murphy (a Commons Guy)
http://commonsware.com | http://twitter.com/commonsguy

Need help for your Android OSS project? http://wiki.andmob.org/hado

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[android-developers] Re: Listview and scrolling

[Wouter]

Isn't this the right way to inflate?

LayoutInflater inflater = (LayoutInflater)this.getSystemService
(Context.LAYOUT_INFLATER_SERVICE);
View filmLayout = inflater.inflate(R.layout.filmdetail_layout,
null);
plot = (TextView) filmLayout.findViewById(R.id.plot);

filmdetail_layout is my seperate layout file.. I got a nullpointer
exception when i try to set text in this view..

Do i have to place this in newView like this?

protected View newView(int position, ViewGroup parent) {
TextView txt=new TextView(SackOfViewsDemo.this);

txt.setText(items[(position-2)/2]);

return(txt);
}

On 19 sep, 18:31, Wouter wouterg...@gmail.com wrote:
 Ok thank you i will try putting them in seperate layout files now!

 Will let you know if this all worked ;)

 On 19 sep, 18:28, Mark Murphy mmur...@commonsware.com wrote:

  Wouter wrote:
   But i have a layout xml file where i declarate all the widgets (yes
   its a lot).
   Do i have to put this layout file in seperate file (so for all that
   has to come above the review list) and then do like this:

   View v = LayoutInflater.from(this).inflate(your_layout_xml,..);

   and then add this view to the arraylist of views? (like in the
   SackOfViewsDemo).

   I also have a custom adapter for my listview (list of rows)

   Or how can i do this the best and easiest? :)

  Either:

  -- Put all of your widgets (outside of the custom adapter) in separate
  layout files, or

  -- Construct them in Java rather than use layout XML

  It's conceivable to add support for loading a single layout file and
  pouring all the root's children into the list, but I don't have that in
  there right now.

  --
  Mark Murphy (a Commons 
  Guy)http://commonsware.com|http://twitter.com/commonsguy

  Need help for your Android OSS project?http://wiki.andmob.org/hado
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[android-developers] Re: Listview and scrolling

[Wouter]

Ok but is the MergeAdapter not better for adding a listadapter to the
listview? or how can i do that too with SackOfViewsAdapter?
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[android-developers] Debug certificate has expired!

[Alistair.]

My debug.keystore certificate has expired. Does anyone know how to
force Android to regenerate either certificate or the whole directory
under

C:\Documents and Settings\Admin\Local Settings\Application Data
\Android

I have tried deleting the file then recompiling and switching SDK's
but nothing seems to work!

Any ideas?
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[android-developers] Certificate has expirted

[Alistair.]

My debug.keystore certificate has expired. Does anyone know how to
force Android to regenerate either certificate or the whole directory
under

C:\Documents and Settings\Admin\Local Settings\Application Data
\Android

I have tried deleting the file then recompiling and switching SDK's
but nothing seem to work!

Any idea?
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[android-developers] Re: YouTube in the emulator?

[dadical]

Yes you are correct about the activity stack, with the following
caveats.  The activity that you call may not be designed perfectly for
your use case.  For example, YouTube is all about viral promotion of
videos, and if you don't want your user wandering off, or perhaps want
the activity to return as soon as the video is done playing, well
you're out of luck unless the YouTube activity supports those use
cases.

I like the idea of a generic Intent monitor.  Might slap that
together.  It won't help with figuring undocumented data options
though.

On Sep 19, 6:28 am, Felix Oghina felix.ogh...@gmail.com wrote:
 Thanks, your Activity is great and I might just use it (I have to
 speak with a manager - the reason why I used quotes is because he's
 actually my brother :P). Still, I think an application would be more
 'polished' if it was able to launch the standard YouTube application
 (I'm all for standardization). In your blog post you mention one of
 the reasons for using this custom Activity as not losing the user to a
 foreign Activity. That shouldn't be a problem with Android (as opposed
 to the iPhone), thanks to the Activity stack (correct me if I'm wrong,
 I'm still a newbie with Android).

 I have a proposal for this. If we somehow knew the Intents that the
 YouTube application puts out (maybe Google should publish them? or if
 someone has an Android-powered device, maybe he/she can somehow
 inspect it?), we could make a simple yet incredibly useful application
 that responds to those same intents, but doesn't actually do anything
 -- just display something like If I were the YouTube app, I'd play
 the video with ID asd876gs.

 I have another question: on an actual device (I don't have one), if
 you open a YouTube video page in the browser, does the YouTube app
 automatically launch and play that video?

 On Sep 19, 4:36 am, dadical keyes...@gmail.com wrote:



  If you just want to be able to play YouTube videos, you're welcome to
  use my free Activity that I wrote.  Just drop the source in your
  project and change the package and you should be pretty close to ready
  to play YouTube videos.  It's barebones, but it takes care of all of
  the hard stuff with respect to YouTube, and you have the source so you
  can do whatever you want with it.  Find it here:

 http://keyeslabs.com/joomla/index.php/blogs/i-think-im-becoming-an-an...

  Hope that helps!

  On Sep 18, 7:39 pm, Felix Oghina felix.ogh...@gmail.com wrote:

   How can I get the YouTube application in the emulator? I want to
   create an application that launches YouTube clips and I need to test
   my Intents. I can't find anything related to this in the docs.
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[android-developers] Re: Listview and scrolling

[Wouter]

I have this now:

private void setupViews()
{
MergeAdapter adapter=new MergeAdapter();

LayoutInflater inflater = (LayoutInflater)this.getSystemService
(Context.LAYOUT_INFLATER_SERVICE);
View filmLayout = inflater.inflate(R.layout.filmdetail_layout,
null);
plot = (TextView) filmLayout.findViewById(R.id.plot);
filmTitle = (TextView) 
filmLayout.findViewById(R.id.txtFilmTitle);
filmAverage = (TextView) 
filmLayout.findViewById(R.id.filmAverage);
filmVotes = (TextView) filmLayout.findViewById(R.id.filmVotes);
filmRating = (RatingBar) 
filmLayout.findViewById(R.id.filmRating);
filmImg = (ImageView) 
filmLayout.findViewById(R.id.imgFilmDetail);

adapter.addView(filmLayout);
//reviews = new ArrayListReview();
//this.reviAdapter = new reviewsAdapter(this,
R.layout.review_row, reviews);

setListAdapter(adapter);


}

so i add one view with all the widgets except of my custom list
adapter.

And then i want to do this

filmTitle.setText(detail.getTitle() +  ( + detail.getYear() + ));
plot.setText(detail.getPlot());
filmAverage.setText(gemiddelde:  + detail.getAverage());
filmVotes.setText(detail.getVotes_count() +  stemmen);
filmRating.setRating(Float.valueOf(detail.getAverage()));

and it gives nullpointerexception..

On 19 sep, 19:02, Wouter wouterg...@gmail.com wrote:
 Ok but is the MergeAdapter not better for adding a listadapter to the
 listview? or how can i do that too with SackOfViewsAdapter?
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[android-developers] Re: Listview and scrolling

[Mark Murphy]

Wouter wrote:
 Ok but is the MergeAdapter not better for adding a listadapter to the
 listview? or how can i do that too with SackOfViewsAdapter?

The MergeAdapter uses the SackOfViewsAdapter. If you wish to use
MergeAdapter, feed it the inflated views and your other adapters, as per
the demo:

MergeAdapter adapter=new MergeAdapter();

adapter.addAdapter(buildFirstList());
adapter.addView(buildButton());
adapter.addAdapter(buildSecondList());

setListAdapter(adapter);

In your case, addView() would be passed the results of an inflation.

-- 
Mark Murphy (a Commons Guy)
http://commonsware.com | http://twitter.com/commonsguy

Need help for your Android OSS project? http://wiki.andmob.org/hado

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[android-developers] Re: Listview and scrolling

[Wouter]

Thank you so much for your help!

It worked great and fast with MergeAdapter..

Preview: http://snapplr.com/803q

Very nice :)

On 19 sep, 19:16, Mark Murphy mmur...@commonsware.com wrote:
 Wouter wrote:
  Ok but is the MergeAdapter not better for adding a listadapter to the
  listview? or how can i do that too with SackOfViewsAdapter?

 The MergeAdapter uses the SackOfViewsAdapter. If you wish to use
 MergeAdapter, feed it the inflated views and your other adapters, as per
 the demo:

 MergeAdapter adapter=new MergeAdapter();

 adapter.addAdapter(buildFirstList());
 adapter.addView(buildButton());
 adapter.addAdapter(buildSecondList());

 setListAdapter(adapter);

 In your case, addView() would be passed the results of an inflation.

 --
 Mark Murphy (a Commons 
 Guy)http://commonsware.com|http://twitter.com/commonsguy

 Need help for your Android OSS project?http://wiki.andmob.org/hado
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[android-developers] Re: Listview and scrolling

[Wouter]

Hmm it seems that i cannot click on the list items.. how can i enable
that?

On 19 sep, 19:23, Wouter wouterg...@gmail.com wrote:
 Thank you so much for your help!

 It worked great and fast with MergeAdapter..

 Preview:http://snapplr.com/803q

 Very nice :)

 On 19 sep, 19:16, Mark Murphy mmur...@commonsware.com wrote:

  Wouter wrote:
   Ok but is the MergeAdapter not better for adding a listadapter to the
   listview? or how can i do that too with SackOfViewsAdapter?

  The MergeAdapter uses the SackOfViewsAdapter. If you wish to use
  MergeAdapter, feed it the inflated views and your other adapters, as per
  the demo:

  MergeAdapter adapter=new MergeAdapter();

  adapter.addAdapter(buildFirstList());
  adapter.addView(buildButton());
  adapter.addAdapter(buildSecondList());

  setListAdapter(adapter);

  In your case, addView() would be passed the results of an inflation.

  --
  Mark Murphy (a Commons 
  Guy)http://commonsware.com|http://twitter.com/commonsguy

  Need help for your Android OSS project?http://wiki.andmob.org/hado
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[android-developers] Re: Android Toast Duration

[Dianne Hackborn]

On Sat, Sep 19, 2009 at 9:47 AM, Jason Van Anden
jason.van.an...@gmail.comwrote:

 There are a few threads on this topic that offer advice where an
 example would be more useful (IMHO).


I post to this list in my (oh so copious) spare time; I can either post
answers that I can do quickly, or just not post at all if it is going to
take me time to put together and test an example.  Your choice.

-- 
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.

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[android-developers] Re: DisplayMetrics issue on Android1.6 SDK

[Dianne Hackborn]

That is intentional.  If you haven't said you support other densities than
the framework runs you in a compatibility mode to make it look like you are
on a medium density device.  By saying that you work with SDK 4, you are
also implying that you understand how to deal with densities.

On Sat, Sep 19, 2009 at 3:00 AM, lianwei lianwei.w...@gmail.com wrote:


 I got a issue with DisplayMetrics.

 DisplayMetrics dm = new DisplayMetrics();
 getWindowManager().getDefaultDisplay().getMetrics(dm);
 Log.d(TEST, dm.widthPixels + x + dm.heightPixels);


 If I do not specify the uses-sdk android:minSdkVersion=4 / or
 supports-screens android:anyDensity=true/supports-screens, then
 the value of dm.widthPixels and heightPixels is wrong on QVGA and WVGA
 screen. e.g. on QVGA, the return value is 320x427.

 If this is a bug on Android1.6 SDK?

 For chinese users, please see
 http://easyandroid.com/bbs/viewthread.php?tid=19
 



-- 
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.

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[android-developers] Re: store data in registory

[Dianne Hackborn]

Android doesn't have a registry.  Please read the documentation on security:
http://developer.android.com/guide/topics/security/security.html

http://developer.android.com/guide/topics/security/security.htmlAnd data
storage, which operates within the uid constraints:

http://developer.android.com/guide/topics/data/data-storage.html

There was last just last week or so a discussion on this list about storing
files securely.

On Sat, Sep 19, 2009 at 3:58 AM, Honest honestsucc...@gmail.com wrote:


 Hello,

 i need to store data securely. So can some one tell me what should be
 the best way to store it on device. Is there something like registory
 in android.
 



-- 
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.

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[android-developers] Re: Get dimension from R.attr in Java code

[Dianne Hackborn]

You are trying to retrieve an attribute identifier as a dimension, which is
incompatible.  If you want to get the value of an attribute in the theme,
you can use the Theme class (though typically you will use
declare-styleable to define a set of attributes you are interested in and
retrieve them as a batch; there is an example showing this in ApiDemo's
custom view).

On Sat, Sep 19, 2009 at 12:28 AM, an0 an0...@gmail.com wrote:


 Resources.getDimensionPixelSize
 (android.R.attr.listPreferredItemHeight) does not work.
 So how to?
 And any other way to specify resolution independent dimension values
 in Java code?
 



-- 
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.

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[android-developers] Re: Orientation : onStop onDestroy called from BACK key or not ?

[Dianne Hackborn]

Also you can check isFinishing() in onDestroy() to find out of the activity
is actually being finished.  This is described in the onDestroy()
documentation:
http://developer.android.com/reference/android/app/Activity.html#onDestroy()

http://developer.android.com/reference/android/app/Activity.html#onDestroy()For
retaining active state across configuration changes, the ideal way is to
onRetainNonConfigurationInstance():

http://developer.android.com/reference/android/app/Activity.html#onRetainNonConfigurationInstance()

http://developer.android.com/reference/android/app/Activity.html#onRetainNonConfigurationInstance()Unfortunately
I don't know if we have any good examples of using this to model after, but
I am working on one that can serve the purpose for the next release.

On Fri, Sep 18, 2009 at 11:00 PM, EboMike ebom...@gmail.com wrote:


 That is a very bad way of doing it. What if the user presses the HOME
 button? What if the user goes to a different activity using the
 notification bar? The camera button? What if it's a device that allows
 switching activities using a custom button?

 Relying on a button press to detect the lifetime of your application
 is a major hack and bound to break in many ways.

 You might want to read the documentation for the Activity class to see
 how the lifetime of an application works. It goes in detail about what
 each stage does: onPause wants you to suspend your threads. onDestroy
 means your app will be gone for good if isFinishing() is set.

 If you want to handle the specific case of an orientation change, you
 can respond to onConfigurationChanged().

 I would strongly advise against any kind of hacks circumventing those
 methods.
 What are you trying to do in your back button code?

 -Mike


 On Sep 17, 2:28 pm, Nanard bsegon...@free.fr wrote:
  I have founded !  Thanks
 
  I should not rely on onStop() nor onDestroy() to know when I quit my
  Activity.
 
  The only safe way is :
 
@Override
  public boolean onKeyDown(int keyCode, KeyEvent event) {
 
  if (keyCode == KeyEvent.KEYCODE_BACK) {
  ...  do some cleaning here
  }
  return super.onKeyDown(keyCode, event);
  }
 



-- 
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.

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[android-developers] Re: Listview and scrolling

[Wouter]

Edit: got it, thankx

On 19 sep, 19:25, Wouter wouterg...@gmail.com wrote:
 Hmm it seems that i cannot click on the list items.. how can i enable
 that?

 On 19 sep, 19:23, Wouter wouterg...@gmail.com wrote:

  Thank you so much for your help!

  It worked great and fast with MergeAdapter..

  Preview:http://snapplr.com/803q

  Very nice :)

  On 19 sep, 19:16, Mark Murphy mmur...@commonsware.com wrote:

   Wouter wrote:
Ok but is the MergeAdapter not better for adding a listadapter to the
listview? or how can i do that too with SackOfViewsAdapter?

   The MergeAdapter uses the SackOfViewsAdapter. If you wish to use
   MergeAdapter, feed it the inflated views and your other adapters, as per
   the demo:

   MergeAdapter adapter=new MergeAdapter();

   adapter.addAdapter(buildFirstList());
   adapter.addView(buildButton());
   adapter.addAdapter(buildSecondList());

   setListAdapter(adapter);

   In your case, addView() would be passed the results of an inflation.

   --
   Mark Murphy (a Commons 
   Guy)http://commonsware.com|http://twitter.com/commonsguy

   Need help for your Android OSS project?http://wiki.andmob.org/hado
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[android-developers] Re: Listview and scrolling

[Mark Murphy]

Wouter wrote:
 Hmm it seems that i cannot click on the list items.. how can i enable
 that?

To quote from my copious documentation:

You are welcome to override other methods as well, since this is just
an Adapter. In particular, if all rows are not enabled for selection,
you will want to override isEnabled() and return true or false as needed
to indicate which rows are selectable and which are not (e.g., header
rows).

-- 
Mark Murphy (a Commons Guy)
http://commonsware.com | http://twitter.com/commonsguy

Need help for your Android OSS project? http://wiki.andmob.org/hado

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[android-developers] Re: Android Toast Duration

[Jason Van Anden]

Dear Dianne et al,

My feedback was meant as constructive criticism in general -
definitely not as a dis directed at you.  I believe that an example is
worth a thousand words - it works or it don't.

I appreciate the time you spend with the board.  I make it a point to
star pretty much anything you write here so I can review it later.
This particular thread was recalled exactly because of this.  Your
suggestion of altering the style of a dialog seems perfect for a step
by step walk through of an app - which is what I am working on.
Clearly we need more generous experts like yourself helping Android
along.

That being said ... I thought I had figured it out - but I am still
stumped.  If someone out there could help, it will help save at least
one Android developer's weekend ...

Here is my code:

Within my theme.xml I have:

resources
style name=ToastyDialog parent=android:Theme
item 
name=android:windowBackground@android:drawable/toast_frame/item
item 
name=android:windowAnimationStyle@android:style/Animation.Toast/item
/style
resources

Within my dialog layout I have:

?xml version=1.0 encoding=utf-8?

LinearLayout xmlns:android=http://schemas.android.com/apk/res/android;
android:layout_width=fill_parent
android:layout_height=wrap_content
android:orientation=vertical
style=@style/ToastyDialog


TextView android:id=@+id/TextView01
  android:layout_width=wrap_content
  android:layout_height=wrap_content
  android:text=@string/hello_world
  

/TextView
/LinearLayout

NOTE: The Eclipse interface gives you a choice to pick a theme, and my
theme does appear.  Thing is, it does not write it in the XML.  I
added the style tag based upon this post:

http://brainflush.wordpress.com/2009/03/15/understanding-android-themes-and-styles/

I sincerely hope that I am making a stupid, obvious mistake.

Thank You,
Jason


On Sat, Sep 19, 2009 at 1:25 PM, Dianne Hackborn hack...@android.com wrote:
 On Sat, Sep 19, 2009 at 9:47 AM, Jason Van Anden jason.van.an...@gmail.com
 wrote:

 There are a few threads on this topic that offer advice where an
 example would be more useful (IMHO).

 I post to this list in my (oh so copious) spare time; I can either post
 answers that I can do quickly, or just not post at all if it is going to
 take me time to put together and test an example.  Your choice.
 --
 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.


 


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[android-developers] Re: Android 1.6 SDK is here!

[Tom Rini]

On Thu, Sep 17, 2009 at 06:35:43AM -0700, QF wrote:
 
 Yes, source code is there, but there is not git TAG (something like
 android-sdk-1.6_r1) in the repo. Is the tree going to be taged soon?

The tags are there now.  Thanks guys!

-- 
Tom Rini

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[android-developers] Reading if the Notification Bar is open?

[Tydiz]

Is there a way to recognize that the Notification window is open?

My current app plays a ringtone for text messages, but doesn't
override their messaging notifications, so the user has to actually
make it into the messaging app before the sound stops. I would like it
to stop if the user pulls their notification bar down...Any ideas on
how I would catch that?(Note: I can't use the built in notification
sound tools because I'm not showing a notification at all)
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[android-developers] Re: Android Toast Duration

[Dianne Hackborn]

You are making a theme, which is a kind of style that applies to an entire
context, but just a UI element.  You need to use it as the theme for an
activity take or the second argument to the Dialog constructor, however you
are creating the window.

On Sat, Sep 19, 2009 at 11:26 AM, Jason Van Anden jason.van.an...@gmail.com
 wrote:


 Dear Dianne et al,

 My feedback was meant as constructive criticism in general -
 definitely not as a dis directed at you.  I believe that an example is
 worth a thousand words - it works or it don't.

 I appreciate the time you spend with the board.  I make it a point to
 star pretty much anything you write here so I can review it later.
 This particular thread was recalled exactly because of this.  Your
 suggestion of altering the style of a dialog seems perfect for a step
 by step walk through of an app - which is what I am working on.
 Clearly we need more generous experts like yourself helping Android
 along.

 That being said ... I thought I had figured it out - but I am still
 stumped.  If someone out there could help, it will help save at least
 one Android developer's weekend ...

 Here is my code:

 Within my theme.xml I have:

 resources
style name=ToastyDialog parent=android:Theme
item
 name=android:windowBackground@android:drawable/toast_frame/item
item
 name=android:windowAnimationStyle@android:style/Animation.Toast/item
/style
 resources

 Within my dialog layout I have:

 ?xml version=1.0 encoding=utf-8?

 LinearLayout xmlns:android=http://schemas.android.com/apk/res/android;
android:layout_width=fill_parent
android:layout_height=wrap_content
android:orientation=vertical
style=@style/ToastyDialog


TextView android:id=@+id/TextView01
  android:layout_width=wrap_content
  android:layout_height=wrap_content
  android:text=@string/hello_world
  

/TextView
 /LinearLayout

 NOTE: The Eclipse interface gives you a choice to pick a theme, and my
 theme does appear.  Thing is, it does not write it in the XML.  I
 added the style tag based upon this post:


 http://brainflush.wordpress.com/2009/03/15/understanding-android-themes-and-styles/

 I sincerely hope that I am making a stupid, obvious mistake.

 Thank You,
 Jason


 On Sat, Sep 19, 2009 at 1:25 PM, Dianne Hackborn hack...@android.com
 wrote:
  On Sat, Sep 19, 2009 at 9:47 AM, Jason Van Anden 
 jason.van.an...@gmail.com
  wrote:
 
  There are a few threads on this topic that offer advice where an
  example would be more useful (IMHO).
 
  I post to this list in my (oh so copious) spare time; I can either post
  answers that I can do quickly, or just not post at all if it is going to
  take me time to put together and test an example.  Your choice.
  --
  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.
 
 
  
 

 



-- 
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.

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[android-developers] Re: Android Toast Duration

[Dianne Hackborn]

(Btw, Api demos has one or two examples of creating custom themed dialogs, I
believe in the app section.)

On Sat, Sep 19, 2009 at 12:07 PM, Dianne Hackborn hack...@android.comwrote:

 You are making a theme, which is a kind of style that applies to an entire
 context, but just a UI element.  You need to use it as the theme for an
 activity take or the second argument to the Dialog constructor, however you
 are creating the window.


 On Sat, Sep 19, 2009 at 11:26 AM, Jason Van Anden 
 jason.van.an...@gmail.com wrote:


 Dear Dianne et al,

 My feedback was meant as constructive criticism in general -
 definitely not as a dis directed at you.  I believe that an example is
 worth a thousand words - it works or it don't.

 I appreciate the time you spend with the board.  I make it a point to
 star pretty much anything you write here so I can review it later.
 This particular thread was recalled exactly because of this.  Your
 suggestion of altering the style of a dialog seems perfect for a step
 by step walk through of an app - which is what I am working on.
 Clearly we need more generous experts like yourself helping Android
 along.

 That being said ... I thought I had figured it out - but I am still
 stumped.  If someone out there could help, it will help save at least
 one Android developer's weekend ...

 Here is my code:

 Within my theme.xml I have:

 resources
style name=ToastyDialog parent=android:Theme
item
 name=android:windowBackground@android:drawable/toast_frame/item
item
 name=android:windowAnimationStyle@android:style/Animation.Toast/item
/style
 resources

 Within my dialog layout I have:

 ?xml version=1.0 encoding=utf-8?

 LinearLayout xmlns:android=http://schemas.android.com/apk/res/android;
android:layout_width=fill_parent
android:layout_height=wrap_content
android:orientation=vertical
style=@style/ToastyDialog


TextView android:id=@+id/TextView01
  android:layout_width=wrap_content
  android:layout_height=wrap_content
  android:text=@string/hello_world
  

/TextView
 /LinearLayout

 NOTE: The Eclipse interface gives you a choice to pick a theme, and my
 theme does appear.  Thing is, it does not write it in the XML.  I
 added the style tag based upon this post:


 http://brainflush.wordpress.com/2009/03/15/understanding-android-themes-and-styles/

 I sincerely hope that I am making a stupid, obvious mistake.

 Thank You,
 Jason


 On Sat, Sep 19, 2009 at 1:25 PM, Dianne Hackborn hack...@android.com
 wrote:
  On Sat, Sep 19, 2009 at 9:47 AM, Jason Van Anden 
 jason.van.an...@gmail.com
  wrote:
 
  There are a few threads on this topic that offer advice where an
  example would be more useful (IMHO).
 
  I post to this list in my (oh so copious) spare time; I can either post
  answers that I can do quickly, or just not post at all if it is going to
  take me time to put together and test an example.  Your choice.
  --
  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.
 
 
  
 

 



 --
 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.




-- 
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.

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[android-developers] Re: Reading if the Notification Bar is open?

[Dianne Hackborn]

I don't believe there is.  But I don't really understand the problem --
notification sounds should be short.  If you are playing a sound that goes
on for a long time, I think that would be the problem.

On Sat, Sep 19, 2009 at 11:52 AM, Tydiz tydiz...@gmail.com wrote:


 Is there a way to recognize that the Notification window is open?

 My current app plays a ringtone for text messages, but doesn't
 override their messaging notifications, so the user has to actually
 make it into the messaging app before the sound stops. I would like it
 to stop if the user pulls their notification bar down...Any ideas on
 how I would catch that?(Note: I can't use the built in notification
 sound tools because I'm not showing a notification at all)
 



-- 
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.

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[android-developers] Re: Trying to get Javascript on Android

[ebisudave]

  Is Android *supposed* to run JavaScript
  like any other JavaScript capable browser?

 On the whole, yes. Bear in mind that Android uses WebKit, so where you
 see browser-specific instructions for Javascript libraries, follow those
 for iPhone, Safari, or perhaps Chrome.

If only Chrome were available on Linux... but that's another issue.

Hmm... I looked around on the web, and I don't see any instructions
that are different for browsers, at least not for anything I'm doing.

Ultimately I'm aspiring to create some JavaScript that is usable on
Android, iPhone, and most modern desktop browsers.

Does JavaScript have the same cross-browser compatibility issues that
CSS does?


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[android-developers] Re: Trying to get Javascript on Android

[Maps.Huge.Info (Maps API Guru)]

In a word: YES!

Implementations of JavaScript vary across all the major platforms, you
have to be very careful about testing, test and more testing each time
you make a change to any code on a web page. The worst offenders are
IE6 and IE7. Safari has plenty of quirks and as the iPhone is a
variant of Safari, you'll have to have an actual device (or the
emulator at least) to test on as well. The most compliant is FireFox,
and the Android browser will work pretty well if it works in FF,
however, the events are different. Search for touch events to see
how to handle them in regard to mouse events.

GWT has solved a lot of these issues but if you want to code in raw
JavaScript, then you'll need to be very careful.

-John Coryat

What Zip Code?
Radar Now!
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[android-developers] Re: How do I know whether my device is currently charging?

[Walles]

Thanks Mark, that was the hint I needed.

What I really wanted to know was whether or not the battery was
currently in use, and for anybody else following this thread, here's
the method I came up with:


/**
 * Is the battery currently discharging?
 *
 * @return True if our battery is discharging.  False otherwise.
 */
private boolean isDischarging() {
// Contact the battery manager
Intent batteryIntent =
registerReceiver(null, new IntentFilter
(Intent.ACTION_BATTERY_CHANGED));
if (batteryIntent == null) {
Log.w(DrainOMeter.LOGGING_TAG,
  Failed to talk to the battery manager, assuming
we're on battery power);
return true;
}

// Ask about battery charging status
int batteryStatus = BatteryManager.BATTERY_STATUS_UNKNOWN;
if (batteryIntent != null) {
batteryStatus =
batteryIntent.getIntExtra(status,
 
BatteryManager.BATTERY_STATUS_UNKNOWN);
}
if (batteryStatus == BatteryManager.BATTERY_STATUS_UNKNOWN) {
Log.w(DrainOMeter.LOGGING_TAG,
  Failed to get battery charging status, assuming
we're on battery power);
return true;
}

return batteryStatus ==
BatteryManager.BATTERY_STATUS_DISCHARGING;
}


  Cheers //Johan

On 18 Sep, 11:54, Mark Murphy mmur...@commonsware.com wrote:
 Walles wrote:
  I want to know if my device is currently charging.

  How do I find that out?  I've been looking a bit at the Intents API,
  but AFAIU I can just subscribe to events from there, and a
  subscription is not what I'm after.  And even if I *did* want updates,
  I'd still need to know the initial state.

  I just want to ask a one-shot are we charging question.  How can I
  do that?

 Register for the broadcast Intent with a null receiver. If you get a
 non-null return value, then that return value is an Intent from the last
 sticky broadcast matching your supplied IntentFilter. I believe the
 battery updates are such a sticky broadcast. By passing null for the
 receiver, you do not actually register a receiver and so do not need to
 unregister anything later.

 For more instructions on this, look up registerReceiver() in the Context
 class (which is a base class for Activity, Service, etc.).

 --
 Mark Murphy (a Commons 
 Guy)http://commonsware.com|http://twitter.com/commonsguy

 _The Busy Coder's Guide to *Advanced* Android Development_
 Version 1.1 Available!
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[android-developers] Re: YouTube in the emulator?

[Felix Oghina]

I see. It seems rather peculiar to me that such a powerful platform
with so much accent on freedom and sharing between applications lacks
this particular, very useful, feature. dadical, thank you very much
for your Activity, I will surely use it as an example for writing my
own (I'm new to both Android and Java, so I try to gain experience
wherever I can).

On Sep 19, 8:10 pm, dadical keyes...@gmail.com wrote:
 Yes you are correct about the activity stack, with the following
 caveats.  The activity that you call may not be designed perfectly for
 your use case.  For example, YouTube is all about viral promotion of
 videos, and if you don't want your user wandering off, or perhaps want
 the activity to return as soon as the video is done playing, well
 you're out of luck unless the YouTube activity supports those use
 cases.

 I like the idea of a generic Intent monitor.  Might slap that
 together.  It won't help with figuring undocumented data options
 though.

 On Sep 19, 6:28 am, Felix Oghina felix.ogh...@gmail.com wrote:

  Thanks, your Activity is great and I might just use it (I have to
  speak with a manager - the reason why I used quotes is because he's
  actually my brother :P). Still, I think an application would be more
  'polished' if it was able to launch the standard YouTube application
  (I'm all for standardization). In your blog post you mention one of
  the reasons for using this custom Activity as not losing the user to a
  foreign Activity. That shouldn't be a problem with Android (as opposed
  to the iPhone), thanks to the Activity stack (correct me if I'm wrong,
  I'm still a newbie with Android).

  I have a proposal for this. If we somehow knew the Intents that the
  YouTube application puts out (maybe Google should publish them? or if
  someone has an Android-powered device, maybe he/she can somehow
  inspect it?), we could make a simple yet incredibly useful application
  that responds to those same intents, but doesn't actually do anything
  -- just display something like If I were the YouTube app, I'd play
  the video with ID asd876gs.

  I have another question: on an actual device (I don't have one), if
  you open a YouTube video page in the browser, does the YouTube app
  automatically launch and play that video?

  On Sep 19, 4:36 am, dadical keyes...@gmail.com wrote:

   If you just want to be able to play YouTube videos, you're welcome to
   use my free Activity that I wrote.  Just drop the source in your
   project and change the package and you should be pretty close to ready
   to play YouTube videos.  It's barebones, but it takes care of all of
   the hard stuff with respect to YouTube, and you have the source so you
   can do whatever you want with it.  Find it here:

  http://keyeslabs.com/joomla/index.php/blogs/i-think-im-becoming-an-an...

   Hope that helps!

   On Sep 18, 7:39 pm, Felix Oghina felix.ogh...@gmail.com wrote:

How can I get the YouTube application in the emulator? I want to
create an application that launches YouTube clips and I need to test
my Intents. I can't find anything related to this in the docs.
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[android-developers] Re: Reading if the Notification Bar is open?

[Tydiz]

Its set to play however long they want it to(1-60 seconds or however
long the ringtone is) or until they read the any of their unread
messages.

I didn't think there was a way but I thought I would check, in case
someone happened to know.

Thanks for the quick response :)

On Sep 19, 1:09 pm, Dianne Hackborn hack...@android.com wrote:
 I don't believe there is.  But I don't really understand the problem --
 notification sounds should be short.  If you are playing a sound that goes
 on for a long time, I think that would be the problem.

 On Sat, Sep 19, 2009 at 11:52 AM, Tydiz tydiz...@gmail.com wrote:

  Is there a way to recognize that the Notification window is open?

  My current app plays a ringtone for text messages, but doesn't
  override their messaging notifications, so the user has to actually
  make it into the messaging app before the sound stops. I would like it
  to stop if the user pulls their notification bar down...Any ideas on
  how I would catch that?(Note: I can't use the built in notification
  sound tools because I'm not showing a notification at all)

 --
 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.
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[android-developers] Re: How do I know whether my device is currently charging?

[Dianne Hackborn]

What do you mean by in use?  You can find out whether you are attached to
a power source with the plugged field (0 means not plugged in / on
battery, non-zero is the power source), which is generally what things use
to determine whether the device is plugged in (so it is okay to do more
power drawing operations).

On Sat, Sep 19, 2009 at 12:42 PM, Walles johan.wal...@gmail.com wrote:


 Thanks Mark, that was the hint I needed.

 What I really wanted to know was whether or not the battery was
 currently in use, and for anybody else following this thread, here's
 the method I came up with:

 
/**
 * Is the battery currently discharging?
 *
 * @return True if our battery is discharging.  False otherwise.
 */
private boolean isDischarging() {
// Contact the battery manager
Intent batteryIntent =
registerReceiver(null, new IntentFilter
 (Intent.ACTION_BATTERY_CHANGED));
if (batteryIntent == null) {
Log.w(DrainOMeter.LOGGING_TAG,
  Failed to talk to the battery manager, assuming
 we're on battery power);
return true;
}

// Ask about battery charging status
int batteryStatus = BatteryManager.BATTERY_STATUS_UNKNOWN;
if (batteryIntent != null) {
batteryStatus =
batteryIntent.getIntExtra(status,

 BatteryManager.BATTERY_STATUS_UNKNOWN);
}
if (batteryStatus == BatteryManager.BATTERY_STATUS_UNKNOWN) {
Log.w(DrainOMeter.LOGGING_TAG,
  Failed to get battery charging status, assuming
 we're on battery power);
return true;
}

return batteryStatus ==
 BatteryManager.BATTERY_STATUS_DISCHARGING;
}
 

  Cheers //Johan

 On 18 Sep, 11:54, Mark Murphy mmur...@commonsware.com wrote:
  Walles wrote:
   I want to know if my device is currently charging.
 
   How do I find that out?  I've been looking a bit at the Intents API,
   but AFAIU I can just subscribe to events from there, and a
   subscription is not what I'm after.  And even if I *did* want updates,
   I'd still need to know the initial state.
 
   I just want to ask a one-shot are we charging question.  How can I
   do that?
 
  Register for the broadcast Intent with a null receiver. If you get a
  non-null return value, then that return value is an Intent from the last
  sticky broadcast matching your supplied IntentFilter. I believe the
  battery updates are such a sticky broadcast. By passing null for the
  receiver, you do not actually register a receiver and so do not need to
  unregister anything later.
 
  For more instructions on this, look up registerReceiver() in the Context
  class (which is a base class for Activity, Service, etc.).
 
  --
  Mark Murphy (a Commons Guy)http://commonsware.com|
 http://twitter.com/commonsguy
 
  _The Busy Coder's Guide to *Advanced* Android Development_
  Version 1.1 Available!
 



-- 
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.

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[android-developers] Re: How to open a dialog immediately after onResume? Is it even possible?

[schwiz]

what code do you have in onResume() ?

On Sep 18, 6:40 pm, Agus agus.sant...@gmail.com wrote:
 Hi all,

 I need to open a progress dialog on the onResume() method. But no dialog is
 opened.
 Any solutions for this?

 Agus.
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[android-developers] Re: Is the limit of memory heap only 6M?

[Peter Jeffe]

On Sep 18, 5:49 pm, fadden fad...@android.com wrote:
 I don't know anything about how Maps works, so I can't offer any
 specific advice there.  Something is using lots of memory, and until
 it stops, this will be a problem. :-(

I understand Andy, I was just wondering if you could answer my
question above:

Short of forcing GCs, which I hate to do for a number of reasons, is
there any way we can affect the heap management within our process,
specifically to be more aggressive about finalizing objects and
freeing their memory?

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[android-developers] Re: How To Programmatically Turn On/Off WIFI?

[Roman ( T-Mobile USA)]

Tell the Android team to add Wifi support in the emulator ...

--
Roman Baumgaertner
Sr. SW Engineer-OSDC
·T· · ·Mobile· stick together
The views, opinions and statements in this email are those of the
author solely in their individual capacity, and do not necessarily
represent those of T-Mobile USA, Inc.

On Sep 18, 9:21 pm, !oEL runzhou...@gmail.com wrote:
 So there is no way I can really test it?

 On 9月18日, 下午1时07分, Roman ( T-Mobile USA) roman.baumgaert...@t-

 mobile.com wrote:
  You don't have Wifi support on the emulator 

  --
  Roman Baumgaertner
  Sr. SW Engineer-OSDC
  ·T· · ·Mobile· stick together
  The views, opinions and statements in this email are those of the
  author solely in their individual capacity, and do not necessarily
  represent those of T-Mobile USA, Inc.

  On Sep 17, 9:48 pm, !oEL runzhou...@gmail.com wrote:

   Thank you guys.

   I got rid of the Security Exceptions by adding a couple of
   permissions, including WAKE_LOCK, which appears to be the exception I
   got after adding the two WIFI ones.

   However, now I've managed to actually access the state, but in
   Emulator it tells me: Failed to load WIFI driver. The same thing
   happens when I use the built-in power control widget.

   On Sep 17, 12:48 am, Raphael r...@android.com wrote:

On Tue, Sep 15, 2009 at 8:36 PM, !oEL runzhou...@gmail.com wrote:

 Hi,

 Second question of the day, how do Iprogrammaticallyturn on/off
 WIFI?

There's an example at line 226 here:
 
http://code.google.com/p/autosettings/source/browse/trunk/AutoSetting...

R/


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[android-developers] Tab Formatting

[polyclefsoftware]

I think I already know the answer to these, but I'm going to ask
anway:

1) Is there a straightforward way to set the background color of a tab
in its unselected state?

2) Is there a simple way to align the text on a tab?
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[android-developers] [Poll?] Android should provide remote database access for applications...

[Moto]

The idea is to allow developers to access a remote database provided
by google.  In android the developer will need a special permission to
be set at the manifest file.  This could allow applications to keep a
backup of users application data without having to sign in ever,
seamless.

Users could than sign-in to their gmail and see a list of applications
that are currently storing data on their gmail space...  The user
could be allowed to wipe the data or even block the application from
storing data to it...

This idea make the most sense since Android will be a platform were
users will be constantly changing android phones as new better ones
come out...

Well you get the idea...  So what you think?  GOOGLE you too! :)

-Moto!
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[android-developers] Default Styles?

[Felix Oghina]

Where can I find default styles for my widgets? Let me give you an
example. In the Contacts application, when adding a new contact, at
the very bottom there are two buttons that have a particular
background. I have traced that to here:
http://android.git.kernel.org/?p=platform/packages/apps/Contacts.git;a=blob;f=res/layout-finger/edit_contact.xml;h=a3a1849e600d22a6736eabcdedb8cc172139b8a1;hb=065dbad4fd142645e54c301ea6e6febdedaf9843
and it would seem that that background is achieved by using
style=@android:style/ButtonBar on a LinearLayout. From what I
understand, this is a system-wide theme default for button bars.
However, what I am searching for is not a ButtonBar, but similar, so I
tried searching for this ButtonBar in the documentation, hoping to
find other similar styles I could use. I *thought* I would find it in
R.style: http://developer.android.com/reference/android/R.style.html ,
but it seems I have mistaken. It is not there. Can anyone tell me
where I can find such styles?

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[android-developers] Re: Tab Formatting

[nEx.Software]

With the 1.6 SDK you have full contol of the look of the tab since you
can set the tab to be any view you provide. Previous versions of the
SDK required considerable work to do the same.

On Sep 19, 2:29 pm, polyclefsoftware dja...@gmail.com wrote:
 I think I already know the answer to these, but I'm going to ask
 anway:

 1) Is there a straightforward way to set the background color of a tab
 in its unselected state?

 2) Is there a simple way to align the text on a tab?
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[android-developers] Re: Android should provide remote database access for applications...

[JoaJP]

Naturally, you've got the right idea - and the elements are (almost)
in place today. There's probably more legwork needed than a nicely
wrapped framework would require, and there's a security concern that
you need to cover yourself. What can be done today:
- On the server side, you can use AppEngine to build a RESTful web
server with a database back end. Authentication through Google
Accounts. Bonus for using AppEngine: The user authentication is
encrypted (SSL), right out of the box.
- The aforementioned user authentication is integrated in the user
facing part of the web server that you build. After logging on, it
allows the user to check and manage his or her stored data
- On the client side, use GET and POST methods to query the server
(could be SOAP or something else, of course), based on the protocol
that you implement. Most likely candidate is a XML-based protocol, I
suppose. Where it's getting shaky as of today: The part where you
access the implicit user authentication on the device. This is not
covered by the Android SDK, and the solution currently is through a
framework JAR that you download independent from the SDK.
- At any rate, to comfort both users and dev, you do not gain or need
access to user passwords, neither on the client, nor on the server
side.
- The downside as mentioned above, is the lacking formal integration
of user account lookups in the SDK. As an added challenge, the user's
gmail ID needs to directly travel along with every GET and POST call
from the client side, or initially at least, if the protocol you
implement has some form of session management. This is needed in order
to allow the selection of the user's data in the backend database. The
onus of encrypting the user's identifying information as part of your
protocol is on you!
JP




On Sep 19, 2:48 pm, Moto medicalsou...@gmail.com wrote:
 The idea is to allow developers to access a remote database provided
 by google.  In android the developer will need a special permission to
 be set at the manifest file.  This could allow applications to keep a
 backup of users application data without having to sign in ever,
 seamless.

 Users could than sign-in to their gmail and see a list of applications
 that are currently storing data on their gmail space...  The user
 could be allowed to wipe the data or even block the application from
 storing data to it...

 This idea make the most sense since Android will be a platform were
 users will be constantly changing android phones as new better ones
 come out...

 Well you get the idea...  So what you think?  GOOGLE you too! :)

 -Moto!
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[android-developers] Re: Trying to get Javascript on Android

[Jim Ancona]

ebisudave wrote:
  On the whole, yes. Bear in mind that Android uses WebKit, so where you
  see browser-specific instructions for Javascript libraries, follow those
  for iPhone, Safari, or perhaps Chrome.

 If only Chrome were available on Linux... but that's another issue.

I'm reading this group using Chromium on Ubuntu Jaunty. Chromium
dailies for Ubuntu are available at
https://launchpad.net/~chromium-daily/+archive/ppa

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[android-developers] Problem updating app in android market.

[CaseyB]

I have an application in the market and I tried to post an update, but
it says that The apk must be signed with at least one certificate in
common with the previous version.  I don't have the previous
certificate and I can't simply create a new project since my app is a
paid app and I don't want to have users charged again.  What can I do?
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[android-developers] Find contact with Phone Number

[CaseyB]

How can I find a contact enrty given a phone number?
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[android-developers] Re: How to open a dialog immediately after onResume? Is it even possible?

[Robert Green]

Yeah.  It's easy.

Override onCreateDialog() - have it create your dialog.
Override onResume() - call showDialog(id).

It's the same as any creation of a dialog.
I like to declare a constant for each dialog id.  The ID you pass from
showDialog gets passed into onCreateDialog(int id).  So just make your
first dialog 0, next 1, or whatever you like.

On Sep 18, 6:40 pm, Agus agus.sant...@gmail.com wrote:
 Hi all,

 I need to open a progress dialog on the onResume() method. But no dialog is
 opened.
 Any solutions for this?

 Agus.
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[android-developers] Re: Get dimension from R.attr in Java code

[an00na]

I see, but I am not initializing a custom view. Is there any simple  
way to retrieve a predefined attribute value as whatever proper type?

On Sep 20, 2009, at 1:33 AM, Dianne Hackborn wrote:

 You are trying to retrieve an attribute identifier as a dimension,  
 which is incompatible.  If you want to get the value of an attribute  
 in the theme, you can use the Theme class (though typically you will  
 use declare-styleable to define a set of attributes you are  
 interested in and retrieve them as a batch; there is an example  
 showing this in ApiDemo's custom view).

 On Sat, Sep 19, 2009 at 12:28 AM, an0 an0...@gmail.com wrote:

 Resources.getDimensionPixelSize
 (android.R.attr.listPreferredItemHeight) does not work.
 So how to?
 And any other way to specify resolution independent dimension values
 in Java code?




 -- 
 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.


 

--
A ghost writing code with soul @ http://wangling.me/.


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[android-developers] Restore last viewed Activity

[droidin.net]

I have 3 different Activities that user navigates between in no
particular order. My goal it twofold:

   1. When user switches to something else when app is resumed I want
to start where user left even if app was terminated. Specifically I
want to display last viewed activity, not the default one
   2. When last activity is resumed I want to restore it to the last
viewed state (this one I think I have a pretty good idea on how to
achieve)

I think the problem is not start/stop - where I pretty much get what I
need, but onCreate() if app was terminated. In that case - it picks
Activity that I configured in the manifest. I suppose I can put
something in onCreate method of that default activity but is there a
better way that I'm maybe missing?

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[android-developers] Re: WebView data caching

[droidin.net]

My problem is that data I'm loading/reloading into WebView takes long
time to process since it's full blown HTML + JS + CSS. I noticed that
when cached, same code loads way faster.
What I'm trying to do is to minimize loading hiccup when user reloads
already cached content

On Sep 3, 4:42 pm, Jason Proctor jason.android.li...@gmail.com
wrote:
 i'm not sure i follow you. why would webkit cache data loads, when
 they're coming from local strings anyway?

 say some more about what you're trying to achieve and maybe i can help out.

 hth
 j



 This really stinks (not caching data loads). Is it possible to code it
 in?

 On Sep 2, 4:07 pm, Jason Proctor jason.android.li...@gmail.com
 wrote:
   the loadData() methods don't enter anything into the history and
   rather more awkwardly don't set the current URL. so if you call
   loadData() and then getUrl() you'll find that they don't match up.

   it's not really clear what WebKit is supposed to do in these
   circumstances, but i think as a minimum it might want to insist on a
   base URL for string loads (like other versions of embedded WebKit do)
   and then put that URL in the current URL and history.

   AFAIK the WebKitcacheis persistent across Activity lifecycles. if
   you find that a page load is taking a long time however you can do
   what i do and put content: URLs to infrequently changed resources
   (like external Javascript etc) so they come from the APK instead of
   across the network.

   there's some extra hassle associated with content: URLs accessed from
   WebKit, but eventually it worked for me. search the archives for more
   stuff.

   hth
   J

   1. I load HTML data intoWebViewwith loadDataWithBaseURL
   2. Do it one more time
   3. Execute the following code and instead of going back to the 1st
   page - whole app exits. What am I doing wrong here?

        public boolean onKeyDown(final int keyCode, final KeyEvent event)
   {
            if (keyCode == KeyEvent.KEYCODE_BACK  this.browser.canGoBack
   ()) {
                this.browser.goBack();
                return true;
            }
            return super.onKeyDown(keyCode, event);
        }

   Also - is it possible forWebViewcacheto survive Activity#onStop?
   Basically - if I close app and reopen - I wantWebViewto display last
   data that was loaded, currently - I'll get a blank screen and then
   have to reload same data again

   --
   jason.vp.engineering.particle

 --
 jason.vp.engineering.particle
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[android-developers] Re: WebView data caching

[droidin.net]

Indra - I would suggest asking separate question. It's hard to answer
2 questions on a single thread however related these may be

On Sep 18, 4:10 am, indra indrad...@gmail.com wrote:
 Hi Guys,

 I am doing google search and I want to receive the data without
 loading the webView.
 Just like a query to google db, but don't know the content uri of the
 db.
 I have done a similar thing in google suggestion provider, where
 content uri is content://com.android.googlesearch.SuggestionProvider
 I will appreciate your help.
 Thanks
 Indra

 On Sep 4, 4:42 am, Jason Proctor jason.android.li...@gmail.com
 wrote:

  i'm not sure i follow you. why would webkit cache data loads, when
  they're coming from local strings anyway?

  say some more about what you're trying to achieve and maybe i can help out.

  hth
  j

  This really stinks (not caching data loads). Is it possible to code it
  in?

  On Sep 2, 4:07 pm, Jason Proctor jason.android.li...@gmail.com
  wrote:
    the loadData() methods don't enter anything into the history and
    rather more awkwardly don't set the current URL. so if you call
    loadData() and then getUrl() you'll find that they don't match up.

    it's not really clear what WebKit is supposed to do in these
    circumstances, but i think as a minimum it might want to insist on a
    base URL for string loads (like other versions of embedded WebKit do)
    and then put that URL in the current URL and history.

    AFAIK the WebKitcacheis persistent across Activity lifecycles. if
    you find that a page load is taking a long time however you can do
    what i do and put content: URLs to infrequently changed resources
    (like external Javascript etc) so they come from the APK instead of
    across the network.

    there's some extra hassle associated with content: URLs accessed from
    WebKit, but eventually it worked for me. search the archives for more
    stuff.

    hth
    J

    1. I load HTML data intoWebViewwith loadDataWithBaseURL
    2. Do it one more time
    3. Execute the following code and instead of going back to the 1st
    page - whole app exits. What am I doing wrong here?

         public boolean onKeyDown(final int keyCode, final KeyEvent event)
    {
             if (keyCode == KeyEvent.KEYCODE_BACK  this.browser.canGoBack
    ()) {
                 this.browser.goBack();
                 return true;
             }
             return super.onKeyDown(keyCode, event);
         }

    Also - is it possible forWebViewcacheto survive Activity#onStop?
    Basically - if I close app and reopen - I wantWebViewto display last
    data that was loaded, currently - I'll get a blank screen and then
    have to reload same data again

    --
    jason.vp.engineering.particle

  --
  jason.vp.engineering.particle- Hide quoted text -

  - Show quoted text -
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[android-developers] Re: Trying to get Javascript on Android

[Shawn Brown]

 Hi,
 * http://www.nanaze.com/2009/01/debugging-javascript-on-android.html *
 Thank you for the link, however, that article went way, way over my
 head, at commercial airliner altitudes.

Maybe not.

Just:

1) get the sdk http://developer.android.com/sdk/1.6_r1/index.html
2) set your path http://developer.android.com/sdk/1.6_r1/installing.html
3) hook up your phone via usb -- turn on
Settings/Application/developement/USB debugging
4) run (in a shell on your linux box) $adb logcat WebCore:V *:S
5) stick logging in your javascript on your web page
console.error('oops damn');
console.info(' I am here');
console.log('3');
console.warn(' eeeh uuum');


This is much easier than the stuff I know you fiddle with in you linux
box -- fonts, encodings etc etc.

You may want to find a cross browser js solution that is targeted at
(among others) Android/iPhone and let me know.  Extjs may be one but I
am not sure about their mobile support.

Shawn

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[android-developers] Re: Get dimension from R.attr in Java code

[Dianne Hackborn]

I'm just saying you need to retrieve it from the theme, and the custom view
Api demo is one example I know of doing so.

On Sat, Sep 19, 2009 at 6:26 PM, an0...@gmail.com wrote:

 I see, but I am not initializing a custom view. Is there any simple way to
 retrieve a predefined attribute value as whatever proper type?

 On Sep 20, 2009, at 1:33 AM, Dianne Hackborn wrote:

 You are trying to retrieve an attribute identifier as a dimension, which is
 incompatible.  If you want to get the value of an attribute in the theme,
 you can use the Theme class (though typically you will use
 declare-styleable to define a set of attributes you are interested in and
 retrieve them as a batch; there is an example showing this in ApiDemo's
 custom view).

 On Sat, Sep 19, 2009 at 12:28 AM, an0 an0...@gmail.com wrote:


 Resources.getDimensionPixelSize
 (android.R.attr.listPreferredItemHeight) does not work.
 So how to?
 And any other way to specify resolution independent dimension values
 in Java code?




 --
 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.





   --
 A ghost writing code with soul @ http://wangling.me/.


 



-- 
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.

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[android-developers] Re: Default Styles?

[Dianne Hackborn]

R.style contains all of the public styles.  If it isn't in there, it isn't
public.

On Sat, Sep 19, 2009 at 4:07 PM, Felix Oghina felix.ogh...@gmail.comwrote:


 Where can I find default styles for my widgets? Let me give you an
 example. In the Contacts application, when adding a new contact, at
 the very bottom there are two buttons that have a particular
 background. I have traced that to here:

 http://android.git.kernel.org/?p=platform/packages/apps/Contacts.git;a=blob;f=res/layout-finger/edit_contact.xml;h=a3a1849e600d22a6736eabcdedb8cc172139b8a1;hb=065dbad4fd142645e54c301ea6e6febdedaf9843
 and it would seem that that background is achieved by using
 style=@android:style/ButtonBar on a LinearLayout. From what I
 understand, this is a system-wide theme default for button bars.
 However, what I am searching for is not a ButtonBar, but similar, so I
 tried searching for this ButtonBar in the documentation, hoping to
 find other similar styles I could use. I *thought* I would find it in
 R.style: http://developer.android.com/reference/android/R.style.html ,
 but it seems I have mistaken. It is not there. Can anyone tell me
 where I can find such styles?

 



-- 
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.

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[android-developers] Re: Trying to get Javascript on Android

[ebisudave]

Here's what I have learned so far:

The following scripts all behave the same on my Android device:
http://developer.yahoo.com/yui/examples/slider/slider-ticks.html
http://developer.yahoo.com/yui/examples/slider/slider_dual_thumb_clean.html
http://www.extjs.com/deploy/dev/examples/slider/slider.html

... which is that they display okay, but the functionality is only
half there. One can click somewhere in the slider area, and the
pointer will move to that position. However, one can't grab the
pointer and move it directly.

On my page, one can't get the pointer to move by either method,
indicating I may have lost something when I modified from the original
JavaScript.

However, since none of the above original examples work perfectly
either, it's hard to know what I should be shooting for.

So, I think my question has become more basic and general:

Has anyone got a JavaScript slider to work on an Android device, ever?
Has anyone seen one?
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[android-developers] Re: Trying to get Javascript on Android

[ebisudave]

Shawn,
 This is much easier than the stuff I know you fiddle with in you linux
 box

No... no it's not. Let's not get into broad statements about what my
environment is like or how I handle it. Linux is fine, it's me who has
different abilities, so please leave it for me to decide what I can
and can't do.
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