date:20101229


29.12.2010 5:23, Mark Murphy пишет:

On Tue, Dec 28, 2010 at 9:15 PM, Zsolt Vasvarizvasv...@gmail.com  wrote:

Sorry, what's your point?  Those docs haven't been updated since 1.5
and they assume a 320x480 screen.

I am fairly certain that document is newer than 1.5, but, never mind.

I have an Android 2.3 device. I have tried some third-party app
widgets (Ambling, Remember the Milk, Extended Controls). None appear
to have 11px cropped off the bottom. Hence, the problem  you are
experiencing may solely be with the 2.3 emulator. It wouldn't be the
first reported problem.



My observations match Zsolt's (not regarding 2.3, but rather widget 
sizing in general).


The sizes and artwork templates in the guidelines only work for HVGA 
devices and for high-res devices in portrait mode (because portrait 
screen width scales the same way as the device's dpi value).


On high-res devices in landscape mode, the templates don't line up (esp. 
when you consider that 800 and 854 pixel wide hdpi screens use equal 
scaling but different home screen layouts).


On QVGA the templates fail for both portrait and landscape modes.

For anyone interested: take standard 4x1 landscape widget width per the 
above document, 424dp. Scale that to pixels at ldpi resolution - you get 
318. The screen is 320 pixels wide, but the app drawer handle takes more 
than 2 pixels, so widgets actually have smaller width than in the docs.


What would really help, IMHO, is if there was a special dimension unit 
for widgets: one home screen cell. Then one could specify widget layout 
size as, e.g., 2wc by 1wc (widget cell) and use margins expressed 
in dp to add space between widgets.


--
Kostya Vasilyev -- WiFi Manager + pretty widget -- http://kmansoft.wordpress.com

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[android-developers] Re: Cache size and Heap size

2010-12-29 Thread cool.manish

Thanks Dianne.

I have some more queries.

 1. I am refering to the Cache memory which is return by getCacheDir
function. Is there any limit that per application only this much Cache
memory could be used?

 2. If Cache memory is same as normal internal data storage space then
is it dependent upon the mobile's phone memory? Is there any % amount
of total internal memory which could be used as Cache memory.

 3. Heap Memory: I had tried functions like Debug.getMemoryInfo which
returns Debug.memoryInfo object and also
ActivityManager.getProcessMemoryInfo function which returns
ActivityManager.MemoryInfo object. Now there are different functions
in MemoryInfo like getTotalPrivateDirty or getTotalPss(). I am unable
to understand use of these functions. What is the meaning of Total
Private Dirty memory or total PSS memory? Which one of them returns
Heap memory? Is there any limit per application to use heap memory?
Can we configure size of the heap memory?

Regards,
Manish

On Dec 29, 12:26 am, Dianne Hackborn hack...@android.com wrote:
 There is no cache memory size.  I'm not sure what you are referring to as
 cache; if you mean stuff put in the cache directory of your app, that is
 just in the normal internal data storage space.

 Heap size is available 
 from:http://developer.android.com/reference/android/app/ActivityManager.ht...()





 On Tue, Dec 28, 2010 at 5:08 AM, cool.manish mannishga...@gmail.com wrote:
  Hi,

  What is cache memory size for android device? Is it very according to
  Devices? Is it divided in between application and one application can
  use only specific amount of total size?

  How to get info regarding Heap Memory Size? Again how to know
  application specific Heap size? Can we change it?

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 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 -

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[android-developers] Re: How to update one of views(setText, setImage) in item already added on ListView

2010-12-29 Thread Mingchung

TreKing

*thank you for your replying*

Yes, I did search google with term: BaseAdapter getView

Just like you said, pretty many results showing that the layout is
decided(addView, inflate) at overrided getView method.

*my question is*
Is that meaning the layout of ListView item is decided when 'getView'
method called somewhere? I mean, the behavior is not that fit to the
method name getView

Mingchung

On 12月24日, 上午11時40分, TreKing treking...@gmail.com wrote:
 On Wed, Dec 22, 2010 at 11:02 PM, Mingchung jaw...@gmail.com wrote:
  My question is, an item has been already added to a ListView, can I still
  update the UI?

 Yes - you'll want to create a custom Adapter that overrides the getView()
 method and update the view there.

 -
 TreKing http://sites.google.com/site/rezmobileapps/treking - Chicago
 transit tracking app for Android-powered devices

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[android-developers] how to set the letter-spacing in the Textview

2010-12-29 Thread dylan-cool

hey, does any one know how to set the letter-spacing in the Textview,i
can only find API about the line-spacing.need help,ur generous help
will be highly appriciated.

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[android-developers] Re: Testing in android

2010-12-29 Thread maccoy

We are exploring the Android Junit, and trying to figure out to use
Emma code coverage

On Dec 29, 12:40 pm, oriharel ori.ha...@gmail.com wrote:
 Just a question -
 How many of you use the testing infrastructure provided by Android?

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Re: [android-developers] how to set the letter-spacing in the Textview


Dylan,

See this:


android:textScaleX
Since: API Level

Sets the horizontal scaling factor for the text.

Must be a floating point value, such as 1.2.

This may also be a reference to a resource (in the form 
@[package:]type:name) or theme attribute (in the form 
?[package:][type:]name) containing a value of this type.


This corresponds to the global attribute resource symbol textScaleX.
Related Methods
setTextScaleX(float)


-- Kostya

29.12.2010 12:13, dylan-cool пишет:

hey, does any one know how to set the letter-spacing in the Textview,i
can only find API about the line-spacing.need help,ur generous help
will be highly appriciated.




--
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Re: [android-developers] Re: Cache size and Heap size

On Wed, Dec 29, 2010 at 12:40 AM, cool.manish mannishga...@gmail.comwrote:

  1. I am refering to the Cache memory which is return by getCacheDir
 function. Is there any limit that per application only this much Cache
 memory could be used?


It is just a directory in your app's private data dir, which is on the same
partition as all of your other data, and the data of other apps.


  2. If Cache memory is same as normal internal data storage space then
 is it dependent upon the mobile's phone memory? Is there any % amount
 of total internal memory which could be used as Cache memory.


Keep it reasonable.


  3. Heap Memory: I had tried functions like Debug.getMemoryInfo which
 returns Debug.memoryInfo object and also
 ActivityManager.getProcessMemoryInfo function which returns
 ActivityManager.MemoryInfo object. Now there are different functions
 in MemoryInfo like getTotalPrivateDirty or getTotalPss(). I am unable
 to understand use of these functions. What is the meaning of Total
 Private Dirty memory or total PSS memory? Which one of them returns
 Heap memory? Is there any limit per application to use heap memory?
 Can we configure size of the heap memory?


Like I said, the function I previously mentioned will tell you about the
Java heap limit.

Memory used by an app is complicated.  You shouldn't be using
ActivityManager.getProcessMemoryInfo() for regular program logic.  However,
if you want to start to understand what these numbers mean, you can read a
post I made about it here:
http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android/2299813#2299813

-- 
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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Re: [android-developers] Re: Alarm in sleep mode

On Tue, Dec 28, 2010 at 11:56 PM, b_t bartata...@gmail.com wrote:

 Hmm, so there is no possibility to display real-time information in
 a widget? For example a compass widget?


Correct, app widgets are not intended to be continually refreshing.


 What is an acceptable refresh rate?


Less is better.  For polling, I'd suggest 15 minutes.  Many times you would
be better off doing something push-based, however, such as how gmail gets
pushes when there is new mail, causing it to sync, and update any widget as
part of that process.


 And the main question, why does the alarmmanager send alarms in sleep
 mode
 when I use RTC instead of RTC_WAKEUP?


Because something is still keeping the CPU running.  Note the use of the
word asleep in the documentation here is somewhat misleading -- it is not
talking about the screen being off, but the actual CPU being asleep.

-- 
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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Re: [android-developers] Twitter client Application in Android

2010-12-29 Thread praveena ankitha

Use that code in onStart() of the Activity

On Mon, Dec 27, 2010 at 2:36 AM, jayavenkat jaia...@gmail.com wrote:

 Hi All,
I've developed twitter Oauth Application. I use shared
 prefrrence to store the values of access token . Everything works fine
 But the access token are saved only while changing the orientation of
 emulator using key
 ctrl +  F12 at run time then only i can able to access my account But
 I want to do the same without changing orientation can anyone help
 please sorry if i did mistake ..

 Thanks in advance.

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-- 
Praveena Ankitha

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[android-developers] Re: Unique Phone ID

2010-12-29 Thread Swaroop

A lot of discussion on this going on here.
http://stackoverflow.com/questions/2785485/is-there-a-unique-android-device-id

I am not sure of the answer which would work on
GSM/CDMA Phones + Tablets w/o phone capabilities. Any one got an
Android Tablet around to check this?

ANDROID ID would exist uniquely for Google enabled Phones as per the
link here.

On Dec 29, 1:33 am, Tommy droi...@gmail.com wrote:
 Wonderful Thanks!!

 -Original Message-
 From: android-developers@googlegroups.com 
 [mailto:android-develop...@googlegroups.com] On Behalf Of Kostya Vasilyev
 Sent: Tuesday, December 28, 2010 12:37 PM
 To: android-developers@googlegroups.com
 Subject: Re: [android-developers] Re: Unique Phone ID

 http://developer.android.com/reference/android/telephony/TelephonyMan...()

  public String getDeviceId ()
  Since: API Level 1

  Returns the unique device ID, for example, the IMEI for GSM and the
  MEID or ESN for CDMA phones. Return null if device ID is not available.

  Requires Permission: READ_PHONE_STATE

 Note that at least for GSM phones, the user can insert a new SIM card with a 
 new phone number, or change the number assigned to the same card.
 So a phone number, while unique, does not identify the device.

 -- Kostya

 28.12.2010 20:29, XiaoXiong Weng пишет:
  Um. I know that if I dial *#06# it would return the IMEI number, but
  each carrier might differ so it's probably not a good solution, I
  would stick with the cellphone number since that's accessible.

  -Original Message-
  From: android-developers@googlegroups.com
  [mailto:android-develop...@googlegroups.com] On Behalf Of Tommy
  Sent: Tuesday, December 28, 2010 11:33 AM
  To: android-developers@googlegroups.com
  Subject: RE: [android-developers] Re: Unique Phone ID

  First off thanks to everyone who responded with input. My next
  question would be is my app able to access the MEID or the IMEI number
  or is that something that can't be accessed?

  -Original Message-
  From: android-developers@googlegroups.com
  [mailto:android-develop...@googlegroups.com] On Behalf Of Indicator
  Veritatis
  Sent: Thursday, December 23, 2010 7:07 PM
  To: Android Developers
  Subject: [android-developers] Re: Unique Phone ID

  I can confirm for you that the MEID is most certainly not the same as
  ANDROID ID. Furthermore, MEID is unique to CDMA phones, so my T-Mobile
  G2, for example, does not have one. It has an IMEI instead. Like any
  other GSM phone.

  On Dec 23, 2:11 pm, Ryan Avilesryan.avi...@gmail.com  wrote:
  The MEID might be useful. I dont think this is the same as the
  ANDROID_IDOn Thu, Dec 23, 2010 at 3:58 PM, John
  Gabyjg...@gabysoft.com
  wrote:
  You could use ANDROID_ID, but be warned that I have found devices
  that return null for this value.
 http://developer.android.com/reference/android/provider/Settings.Secu...
  John
  On Dec 23, 10:21 am, Tommydroi...@gmail.com  wrote:
  Hey evereyone,
  I was wondering if there is a way to get a unique ID for the users
  phone. I imagine the IME and Serial Numbers are unique to each
  phone right? Is there a way I can request the IME number or the
  serial number or is there another number I can request that is
  unique to each phone? This is used to help secure login to an app.
  Thanks,
  Tommy
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[android-developers] populate ItemizedOverlay when AlertDialog is showing

2010-12-29 Thread viktor

Hi,
 my problem is that I can't populate overlays if AlertDialog show.

I put addOverlay and populate methods to listeners OK and Cancel, but
new overlay doesn't showed on map.

It will update after moving a map.

Is it any other way to refresh overlays?

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[android-developers] Painting in webkit's webview

2010-12-29 Thread yogi

hi all,



I am looking into the code of webview.java.and one thing i want to
know that how this webview class is holding other objects in a
webpage...my requirement is that whenever user clicks on the checkbox
on a page the focusring  should not go off until the the checkbox
loose focus
other doubt is  the focusring normally drawn by the webcore in other
platform but it is happening in android platform   because if i want
to clear the focusring forcefully how to do that action...

Regards
Yogi

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[android-developers] Re: Suggestions for my inventory application

2010-12-29 Thread Yahel

 What else can i add in this to make it the only inventory solution out
 in mobile.

Being ambitious is a nice quality... :D

Take a look at what your competitors do, on mobile platforms(ios,
android, windows mobile 6.5) and desktop. And go from there

A quick obvious one :  Scan the barcode if any on your product,
retrieve the item from a webservice and allow for nice and easy input
of quantities either sold or purchased

Yahel





On Dec 29, 6:50 am, Abhishek Talwar r.o.b.i.n.abhis...@gmail.com
wrote:
 Hey guys
 I have an application on which i have been working on for a while now.
 The application has 4 major areas :-
 1. Item Master - Where user can create new products
 2. Purchase - Created products are inflated in autocompletetextview
 and user can add quantity to it .
 3. Sale -  Created products are inflated in autocompletetextview and
 user can enter quantity of it sold .
 4. Stock -  This shows the list of the products present along with
 the colour and quantity.

 What else can i add in this to make it the only inventory solution out
 in mobile.
 Let me know. I don't mind spending time.

 Regards
 Abhishek

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Re: [android-developers] Re: pdf reader

Your Uri is invalid. Please use a valid path to your file.

On Wed, Dec 29, 2010 at 2:56 AM, Robin Talwar
r.o.b.i.n.abhis...@gmail.com wrote:
 This is my onclick code

 public void onClick(View v) {
                 // TODO Auto-generated method stub
                 Intent i = new Intent();
                 i.setAction(Intent.ACTION_VIEW);

 i.setDataAndType(Uri.parse(file:///raw/unlockingandroid.pdg),
 application/pdf);
                 try{
                     startActivity(i);
                 }
                  catch (ActivityNotFoundException e) {
  Toast.makeText(pdfviewer.this,
  No Application Available to View PDF,
  Toast.LENGTH_SHORT).show();
  }

             }

 I see a toast when i click the button :( i cant see the pdf

 On Wed, Dec 29, 2010 at 12:26 PM, Jake Basile jakerbas...@gmail.com wrote:

 Just like opening any other type of file on Android, you should try to
 launch an intent to view it.
 Intent openPdfIntent = new Intent();
 intent.setAction(Intent.ACTION_VIEW);
 intent.setDataAndType(Uri.fromFile(pdfFile), application/pdf);
 try
 {
     startIntent(openPdfIntent);
 }
 catch(ActivityNotFoundException e)
 {
     // No app can open PDF files on their phone.
 }

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Android App Developer Books: http://commonsware.com/books

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Re: [android-developers] How I get Command in Home Screen In Android

Step #1: Write your own home screen application.

Step #2: Add this feature to your own home screen application.

On Wed, Dec 29, 2010 at 2:23 AM, Animesh Sinha
animesh.andr...@gmail.com wrote:
 I mean to say that i want a notification(Command) same as when we
 type *#06# in home screen it will show a IMEI no. in the same way when
 i press a certain code (eg: *#12345#) then it will notify to my
 service which is running in background.

 Plz solve my problem and reply me soon.



 Waiting

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Re: [android-developers] Default orientation of device

2010-12-29 Thread Marek Urbaniak

There is such a concept in Android. Check e.g.,:
http://android-developers.blogspot.com/2010/09/brace-for-future.html(sections 
where Motorola Charm and Flipout are mentioned)

I could not believe there is no API call to check device natural 
orientation.

I posted this question on Stack Overflow hoping to get info about how to 
check it or other way to solve the problem I have faced (which indeed is not 
very uncommon).
http://stackoverflow.com/questions/4553650/how-to-check-device-natural-default-orientation-on-android-i-e-get-landscape

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[android-developers] Re: Set credentials for a secured http connection via a Webview with setHttpAuthUsernamePassword

2010-12-29 Thread Sandeep N M

http://stackoverflow.com/questions/995514/https-connection-android

Regards,
Sandeep

On Dec 27, 2:00 am, MattBol mboll...@gmail.com wrote:
 Hi,
 I would like to use a WebView to connect to a secure website over
 HTTPS, accept its certificate and automatically handle credentials
 (given previously by the user).
 This far, I ve got the Webview working and accepting the certificate
 using the following 
 website:http://damianflannery.wordpress.com/2010/09/28/android-webview-with-h...
 But although I try to set the credentials or to handle them in a
 method, nothing happens, I just end up at the login page without even
 any error messages.

 I couldnt find out the answer myself and I couldnt find it on the
 Internet answer, so I post here ... Anyone up for this challenge? =o)
 Here is my code:

 package ;

 import android.app.Activity;
 import android.net.http.SslError;
 import android.os.Bundle;
 import android.webkit.HttpAuthHandler;
 import android.webkit.SslErrorHandler;
 import android.webkit.WebView;
 import android.webkit.WebViewClient;

 public class ConnectorWebView extends Activity {
         WebView mWebView;
         String mUsrName;
         String mPassC;

     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.Connwebview);

         //      Getting info from Intent extras
                 //      Get it if it s different from null
                 Bundle extras = getIntent().getExtras();
                 mUsrName = extras != null ? extras.getString(username) : 
 null;
                 mPassC = extras != null ? extras.getString(passcode) : null;

         mWebView = (WebView) findViewById(R.id.webview);
         mWebView.getSettings().setJavaScriptEnabled(true);
         mWebView.setHttpAuthUsernamePassword(myhost.com,
 CertificateAuthentication, mUsrName, mPassC);

         mWebView.setWebViewClient(new WebViewClient() {
                 @Override
             public void onReceivedHttpAuthRequest  (WebView view,
 HttpAuthHandler handler, String host, String realm){
                         handler.proceed(mUsrName, mPassC);
             }

                 public void onReceivedSslError (WebView view, SslErrorHandler
 handler, SslError error) {
                  handler.proceed() ;
                  }
         });

         mWebView.loadUrl(https://myhost.com/user_area;);
     }

 }



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[android-developers] MultiTouch Support

2010-12-29 Thread pedr0

Hi at all,

I have one issues with multitouch features offers by the MotionEvent
class, this is my code:

@Override
public boolean onTouchEvent(MotionEvent event) {

[]
if(event.getPointerCount() == 1){

switch (event.getAction()) {

case MotionEvent.ACTION_DOWN:
finger_one_ID = event.getAction() 
MotionEvent.ACTION_POINTER_ID_MASK;
finger_one_X = (int) event.getX(finger_one_ID);
finger_one_Y = (int) event.getY(finger_one_ID);
renderer.stopTimer();
break;

case MotionEvent.ACTION_UP:
finger_one_ID = NONE;

renderer.setFrictionY(OpenGLRenderer.DEFAULT_FRICTION_Y);

renderer.setFrictionX(OpenGLRenderer.DEFAULT_FRICTION_X);
renderer.startTimer();
break;

case  MotionEvent.ACTION_MOVE:

deltaX =  finger_one_X - (int) 
event.getX(finger_one_ID);
deltaY =  finger_one_Y - (int) 
event.getY(finger_one_ID);


deltaX = Math.abs(deltaX);
deltaY = Math.abs(deltaY);
distance = (float) ((Math.sqrt(Math.pow(deltaX,2) +
Math.pow(deltaY, 2;
renderer.setFrictionY(OpenGLRenderer.NULL_FRICTION);
renderer.setFrictionX(OpenGLRenderer.NULL_FRICTION);



if(deltaX  5.0f  deltaX  80)
renderer.setYacc( (deltaX  / 50));

else if(deltaY   5.0f  deltaY  80)
renderer.setXacc( (deltaY / 50));

break;

default:
break;

}



Log.d(TAG, Single finger_one_Y:+finger_one_X);
Log.d(TAG, Single finger_one_Y:+finger_one_Y);


}


else if(event.getPointerCount() == 2){
Log.d(TAG,Doppio Tocco);
switch (event.getAction()) {
case MotionEvent.ACTION_POINTER_DOWN:
finger_two_ID = MotionEvent.ACTION_POINTER_DOWN 

MotionEvent.ACTION_POINTER_ID_MASK;
finger_two_X = (int) event.getX(finger_two_ID);
finger_two_Y = (int) event.getY(finger_two_ID);
multitouch_distance = (float) 
Math.sqrt(Math.pow(finger_one_X -
finger_two_X, 2) + Math.pow(finger_one_Y - finger_two_Y, 2));
break;

case MotionEvent.ACTION_MOVE:
finger_one_X = (int) event.getX(finger_one_ID);
finger_one_Y = (int) event.getY(finger_one_ID);
finger_two_X = (int) event.getX(finger_two_ID);
finger_two_Y = (int) event.getY(finger_two_ID);
multitouch_distance_updated = (float)
Math.sqrt(Math.pow(finger_one_X - finger_two_X, 2) +
Math.pow(finger_one_Y - finger_two_Y, 2));

Log.d(TAG,multitouch_distance_updated:+String.valueOf(multitouch_distance_updated));


default:
break;
}

Log.d(TAG, Double finger_one_Y:+finger_one_X);
Log.d(TAG, Doppio finger_one_Y:+finger_one_Y);
Log.d(TAG, Doppio finger_two_Y:+finger_two_X);
Log.d(TAG, Doppio finger_two_Y:+finger_two_Y);


}

}

The problem is that in multitouch branch of my code the X,Y of first
and second finger are the same, therefore the multitouch distance is
even zero!!
I am tried to develop an two fingers zoom...

Any suggestion will be appreciated.

pedr0

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[android-developers] help with ColorStateList

2010-12-29 Thread dashman

i've got a layout for a List row entry as:

(i've removed extraneous code)

LinearLayout xmlns:android=http://schemas.android.com/apk/res/
android
android:background=@color/child_row_color
...
/LinearLayout

in the res/color folder, i've got a a file child_row_color.xml

?xml version=1.0 encoding=UTF-8?
 selector xmlns:android=http://schemas.android.com/apk/res/android;
item android:color=#0f0/
 /selector

every time, i try to display the List child row - it craps out in
a android inflator code.

help!

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[android-developers] Issue with messages in this group?

2010-12-29 Thread Gus

Hi:

I posted a message last 12/27/2010, and it was responded, and now I
can't find it...Same issue happened before.
Are some messages deleted or they just dissapear?

Below is the original message:

Suject:
Can't debug/install applications into Tablet with Android 2.1 using
ADB commands

Body:
Hi:

I have a tablet with Android 2.1 and I'm able to query the device
issuing the adb devices command, for which I get the 0123456789ABCDEF
device response (serial number and device state).
However, any other command such install, push, pull, or shell, I never
get a response. I mean, after issuing the command, nothing happens
until, after a while, I press ^C and it returns to the Windows Command
prompt.

Any idea what could be wrong or how to debug what it's happening?

Thanks;
Gus

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[android-developers] Ant Emma and JUnit, integrating all three

2010-12-29 Thread maccoy

Is there a step by step guide to try this?

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[android-developers] moving InputMethod to the top

2010-12-29 Thread guich

Hi,

I have a text field that is displayed at the bottom of the screen (its
a fake component, not an android component). When the user enters the
field, i open the input method with this:

imm.showSoftInput(instance, 0);

However, since the field is at the bottom and the input method is also
at the bottom, the user can't see in the text field what's being
typed.

I saw some applications that moves the InputMethod to the top.

How can i do the same? Open the input method at the top?

thanks

guich

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[android-developers] fromHtml doesn't work for textview font size, any help?

2010-12-29 Thread genxsol

Hi Dear,

i am trying to put text on a text view with different size for each
word

textView.setText(Html.fromHtml(font size='10' color='red' Word1 /
font font size='15' color='white' Word2 /font)));

color does work but no font size, any help plz

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[android-developers] Re: Set credentials for a secured http connection via a Webview with setHttpAuthUsernamePassword

2010-12-29 Thread Nikolay Elenkov

 http://stackoverflow.com/questions/995514/https-connection-android 

Please don't just put some random code that trusts all certificates in your 
app. 
(like some people in the thread above suggest). 

Read all the answers and understand how to use a custom trust store 
in your application. If 'myhost.com' is using a self-signed certificate, 
you have to add it to your custom trust store. If it is issued by some 
CA (in house one, or whatever), you have to add the CA certificate 
to your trust store. 

Instead  of following tutorials take some time to understand how 
Java handles SSL, it will make your life much easier. 

HTH


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[android-developers] example on asynctask class..

2010-12-29 Thread Abhilash baddam

Hi friends,

 can any one send me the example on asynctask class. I tried
it's not working fine.

   Any help please.



Regards,
Abhilash.B

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Re: [android-developers] How implement LBS in Android

2010-12-29 Thread Faheem Khatri

Creating application i think is not a big deal , but getting POI's of
different place (Creating Database) is a big deal.

On Wed, Dec 29, 2010 at 7:42 AM, Frank Weiss fewe...@gmail.com wrote:

 There are of course many Android LBS apps to date. Most of them use their
 own proprietory databases.

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Re: [android-developers]How to get the data from LBS?

2010-12-29 Thread Faheem Khatri

@mohammad shankayi

Which api u're talking about?

On Wed, Dec 22, 2010 at 8:27 AM, mohammad shankayi mohd...@gmail.comwrote:

 i think you must use google maps API ... it may have this useful info as a
 layer...
 sincerely
 mohammad shankayi


 On Wed, Dec 22, 2010 at 05:40, kevens hao ithjf.kev...@gmail.com wrote:

  Like Foursquare, I want to develop an application which can get the
 location and get the useful info(hotel, restaurant, groggery info and so on)
 around the location.  So how to get the useful info?

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[android-developers] Set Android WIFI Ip address from my own application

2010-12-29 Thread Faheem Khatri

Hi All,

I wanna set android wifi ip address from my own application is there
any way?

i've post this question few months back didnt get any proper solution,
so i m reposting this question.

Regards,
Faheem

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[android-developers] Re: Alarm in sleep mode

2010-12-29 Thread b_t

Thank you, you answered all of my questions

On Dec 29, 10:52 am, Dianne Hackborn hack...@android.com wrote:
 On Tue, Dec 28, 2010 at 11:56 PM, b_t bartata...@gmail.com wrote:
  Hmm, so there is no possibility to display real-time information in
  a widget? For example a compass widget?

 Correct, app widgets are not intended to be continually refreshing.

  What is an acceptable refresh rate?

 Less is better.  For polling, I'd suggest 15 minutes.  Many times you would
 be better off doing something push-based, however, such as how gmail gets
 pushes when there is new mail, causing it to sync, and update any widget as
 part of that process.

  And the main question, why does the alarmmanager send alarms in sleep
  mode
  when I use RTC instead of RTC_WAKEUP?

 Because something is still keeping the CPU running.  Note the use of the
 word asleep in the documentation here is somewhat misleading -- it is not
 talking about the screen being off, but the actual CPU being asleep.

 --
 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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Re: [android-developers] Set Android WIFI Ip address from my own application


Faheem,

See Settings.System:

http://developer.android.com/reference/android/provider/Settings.System.html#WIFI_STATIC_DNS1

Starting with:


public static final String WIFI_STATIC_DNS1
Since: API Level 1

If using static IP, the primary DNS's IP address.

Example: 192.168.1.1
Constant Value: wifi_static_dns1


and up through


public static final String WIFI_USE_STATIC_IP
Since: API Level 1

Whether to use static IP and other static network attributes.

Set to 1 for true and 0 for false.
Constant Value: wifi_use_static_ip


However, if past is of any indication, any of these can be moved to 
Settings.Secure in a future Android release (or not).


-- Kostya

29.12.2010 17:34, Faheem Khatri пишет:

Hi All,

I wanna set android wifi ip address from my own application is there
any way?

i've post this question few months back didnt get any proper solution,
so i m reposting this question.

Regards,
Faheem




--
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Re: [android-developers] invoke my application at given Date/Time

2010-12-29 Thread peeyush varshney

Same like Alarm application..

On Mon, Dec 27, 2010 at 7:08 PM, asinha asinha.vocoll...@gmail.com wrote:

 How can I invoke my android application at given Date/Time, say daily
 at 9am?

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[android-developers] How to get Temporary Mobile Subscriber Identity(TMSI) in Android

2010-12-29 Thread 赵杨阳

rt. And who knows that how to get Channel Id of a CellLocation?

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Re: [android-developers] Re: Is there a Horizontal ListView?

2010-12-29 Thread Richard Leggett

I did some digging around this a while back and Mark is on the money, it'll 
take a big chunk of time. But I would agree there are plenty of uses for things 
like horizontal lists, in fact there's a very prominent one in the core SMS app 
which allows you to choose a word from a list of predictions. So in answer to 
the question, perhaps you can make use of the code for that to give you a head 
start, found in:

  CandidateView.java

This doesn't extend ListView, or BaseAdapterView but simply View.

I had to slightly modify ListView and ended up having to jump through many 
hoops to make a small change, I'm finishing up an app which has very styled 
user interface elements and I've found the SDK makes creating custom components 
very easy, but extending existing components is very hard because it is 
understandably restrictive. This is quite often than not to do with ListView 
because it has so much useful functionality baked in to support adapters, 
states, touch, keyboard and trackball input that is just frustrating to 
re-implement. It's a problem because we want to be creating more expressive UIs 
where it improves on the standard, right now that usually means spending an 
great deal of time studying the source code and seeing if it can be achieved 
through composition or existing methods (sometimes over-complicating the view 
hierarchy) and more often copying the entire source code for one (often two) 
base classes so that you can modify a key private field and not lose out on 
performance. 

The easy answer is to just stick to the basics UIs we're used to seeing, but I 
really hope things get a bit more flexible so that more people can creative 
compelling-looking apps that don't just look like they've been put together in 
a drag and drop GUI form builder.

Regards,
Richard

On 25 Dec 2010, at 23:41, Mark Murphy wrote:

 On Sat, Dec 25, 2010 at 6:27 PM, jotobjects jotobje...@gmail.com wrote:
 But UI designers don't
 take the API doesn't do that as a reason for changing the design.
 
 UI designers can ask for whatever they want. It is up to engineers to
 explain to management that the designers are asking for things that
 are not natively implemented on the platform and therefore will
 require significant additional engineering time. It is then
 management's responsibility to determine whether the UI designers
 feature is worth that additional engineering time.
 
 There are lots of posts in this forum with developers asking for
 horizontal scrolling and horizontal list views.  It's a natural UI
 design element for some kinds of lists. It behaves somewhat like a
 drop down list (in that is is expandable) without obscuring the other
 widgets on the screen.  The user can drag it (scroll) back and forth.
 
 I'm not saying it's a bad idea. I am saying you have your work cut out
 for you, and I am saying that I believe that it has not been done a
 100 times already.
 
 -- 
 Mark Murphy (a Commons Guy)
 http://commonsware.com | http://github.com/commonsguy
 http://commonsware.com/blog | http://twitter.com/commonsguy
 
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Re: [android-developers] Re: pdf reader

2010-12-29 Thread Robin Talwar

Sorry
I checked the path and i made a foolish mistake of not writing the name of
the file correctly.
Except that everything should go well .
So is the following line correct ; sry i am a beginner

i.setDataAndType(Uri.parse(file:///raw/unlockingandroid.pdf),
application/pdf);

or is it that the path in Uri.parse() is still incorrect
I have the pdf in raw folder

On Wed, Dec 29, 2010 at 4:49 PM, Mark Murphy mmur...@commonsware.comwrote:

 Your Uri is invalid. Please use a valid path to your file.

 On Wed, Dec 29, 2010 at 2:56 AM, Robin Talwar
 r.o.b.i.n.abhis...@gmail.com wrote:
  This is my onclick code
 
  public void onClick(View v) {
  // TODO Auto-generated method stub
  Intent i = new Intent();
  i.setAction(Intent.ACTION_VIEW);
 
  i.setDataAndType(Uri.parse(file:///raw/unlockingandroid.pdg),
  application/pdf);
  try{
  startActivity(i);
  }
   catch (ActivityNotFoundException e) {
   Toast.makeText(pdfviewer.this,
   No Application Available to View PDF,
   Toast.LENGTH_SHORT).show();
   }
 
  }
 
  I see a toast when i click the button :( i cant see the pdf
 
  On Wed, Dec 29, 2010 at 12:26 PM, Jake Basile jakerbas...@gmail.com
 wrote:
 
  Just like opening any other type of file on Android, you should try to
  launch an intent to view it.
  Intent openPdfIntent = new Intent();
  intent.setAction(Intent.ACTION_VIEW);
  intent.setDataAndType(Uri.fromFile(pdfFile), application/pdf);
  try
  {
  startIntent(openPdfIntent);
  }
  catch(ActivityNotFoundException e)
  {
  // No app can open PDF files on their phone.
  }
 
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Re: [android-developers] Re: pdf reader

On Wed, Dec 29, 2010 at 10:58 AM, Robin Talwar
r.o.b.i.n.abhis...@gmail.com wrote:
 Sorry
 I checked the path and i made a foolish mistake of not writing the name of
 the file correctly.
 Except that everything should go well .
 So is the following line correct ; sry i am a beginner

     i.setDataAndType(Uri.parse(file:///raw/unlockingandroid.pdf),
 application/pdf);

 or is it that the path in Uri.parse() is still incorrect
 I have the pdf in raw folder

There is no raw folder. Your project, on your PC, has a res/raw/
folder. That is not a folder on the Android device. It is not accessed
via a file:/// URL. It is a type of resource, and its contents are
accessed via getResources().openRawResource().

The contents of a resource like this are not accessible via Uri
objects. Hence, there is no simple way for you to store a PDF as a raw
resource in a project of yours and have it be displayed by some other
application.

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

Android App Developer Books: http://commonsware.com/books

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[android-developers] network LocationProvider

2010-12-29 Thread Dan

I have a request to distinguish location sources from the network
LocationProvider (is it cell tower based, or ip address based).

Is there a safe rule of thumb proxy I can use to determine this
e.g. if the phone has a cell signal it uses the cell tower because
that is more accurate, otherwise it uses the network?

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Re: [android-developers] Re: pdf reader

2010-12-29 Thread Robin Talwar

Then what do you suggest?
Should i put the pdf on net and put it's url ?

On Wed, Dec 29, 2010 at 9:36 PM, Mark Murphy mmur...@commonsware.comwrote:

On Wed, Dec 29, 2010 at 10:58 AM, Robin Talwar
r.o.b.i.n.abhis...@gmail.com wrote:
Sorry
I checked the path and i made a foolish mistake of not writing the name
of
the file correctly.
Except that everything should go well .
So is the following line correct ; sry i am a beginner

i.setDataAndType(Uri.parse(file:///raw/unlockingandroid.pdf),
application/pdf);

or is it that the path in Uri.parse() is still incorrect
I have the pdf in raw folder

There is no raw folder. Your project, on your PC, has a res/raw/
folder. That is not a folder on the Android device. It is not accessed
via a file:/// URL. It is a type of resource, and its contents are
accessed via getResources().openRawResource().

The contents of a resource like this are not accessible via Uri
objects. Hence, there is no simple way for you to store a PDF as a raw
resource in a project of yours and have it be displayed by some other
application.

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

Android App Developer Books: http://commonsware.com/books

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[android-developers] Re: Ant Emma and JUnit, integrating all three

2010-12-29 Thread maccoy

With some more study into the http://developer.android.com/guide/
developing/testing/testing_otheride.html
able to generate code coverage.html for EMMA.

1.Initially i had created a project and Project test.
2.Used the command line Android - update project and update test
project.
3.Then Run the Ant coverage.. it worked...it generated the
coverage.html



On Dec 29, 6:14 pm, maccoy maccoy2...@gmail.com wrote:
 Is there a step by step guide to try this?

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Re: [android-developers] Re: pdf reader

2010-12-29 Thread paresh mayani

If i m not having third party pdf application installed in the android
device then? ??

On 29 Dec 2010 13:26, Robin Talwar r.o.b.i.n.abhis...@gmail.com wrote:

This is my onclick code

public void onClick(View v) {
// TODO Auto-generated method stub
Intent i = new Intent();
i.setAction(Intent.ACTION_VIEW);

i.setDataAndType(Uri.parse(file:///raw/unlockingandroid.pdg),
application/pdf);
try{
startActivity(i);
}
 catch (ActivityNotFoundException e) {
 Toast.makeText(pdfviewer.this,
 No Application Available to View PDF,
 Toast.LENGTH_SHORT).show();
 }

}

I see a toast when i click the button :( i cant see the pdf



On Wed, Dec 29, 2010 at 12:26 PM, Jake Basile jakerbas...@gmail.com wrote:

 Just like opening...

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[android-developers] Gradient, Shadow and MaskFilter on a TextView

2010-12-29 Thread Anders

Hello. Im trying to customize a textview to add a gradientoverlay, a
dropshadow and a maskfilter.
There seems like i cant combine the different methods as i thought i
would.
For example when i use both gradient and shadow my shadow gets the
same color as the gradient.
Combinding dropshadow and a maskfilters renders no text at all. While
a combination of gradient overlay seems to work fine.

I have extended TextView and overriden onDraw:

protected void onDraw(Canvas canvas) {
TextPaint paint = getPaint();
// paint.setShader(new LinearGradient(8f, 80f, 30f, 20f,
Color.RED,Color.WHITE,Shader.TileMode.MIRROR));
float height = paint.getFontSpacing();
Toast.makeText(getContext(), h: +height,
Toast.LENGTH_SHORT).show();

paint.setMaskFilter(new EmbossMaskFilter(new float[] { 0,
0.3f, 0 },0.95f, 10, 0.1f));

// paint.setShadowLayer(0.1f, 30f, 5f,
Color.parseColor(#ff));

paint.setShader(new LinearGradient(0, 0, 0, height,
new int[]
{ GRADIENT_START,GRADIENT_MID,GRADIENT_MID,GRADIENT_END },
new float[] {0,0.4f,0.6f,1f},
Shader.TileMode.CLAMP));

super.onDraw(canvas);
}

Does these filters not work together? Is it the wrong aproach to try
to extend a textview, should i create my own View for drawing thext
with gradients, shadows and masks?

// Anders

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Re: [android-developers] Re: pdf reader

On Wed, Dec 29, 2010 at 11:26 AM, Robin Talwar
r.o.b.i.n.abhis...@gmail.com wrote:
 Then what do you suggest?
 Should i put the pdf on net and put it's  url ?

I cannot make a suggestion without knowing what it is that you are
trying to do, at a higher level than invoking an ACTION_VIEW Intent on
a PDF file.

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

Android App Developer Books: http://commonsware.com/books

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[android-developers] Re: pdf reader

2010-12-29 Thread DanH

Environment.getExternalStorageDirectory().

On Dec 29, 10:26 am, Robin Talwar r.o.b.i.n.abhis...@gmail.com
wrote:
Then what do you suggest?
Should i put the pdf on net and put it's url ?

On Wed, Dec 29, 2010 at 9:36 PM, Mark Murphy mmur...@commonsware.comwrote:

i.setDataAndType(Uri.parse(file:///raw/unlockingandroid.pdf),
application/pdf);

or is it that the path in Uri.parse() is still incorrect
I have the pdf in raw folder

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

Android App Developer Books:http://commonsware.com/books

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[android-developers] Re: How to store date and time in database

2010-12-29 Thread DanH

It should be pointed out that it doesn't matter (much) what time
reference is used, so long as it's used consistently, and all
conversion algorithms to/from the reference form understand its
details.  So long as a consistent reference is used dates will sort
and compare correctly.

On Dec 28, 9:41 pm, Bob Kerns r...@acm.org wrote:
 I didn't realize until now that POSIX absolutely FAILED on this. Every
 description I've seen of this time indicates either that it's number
 of seconds since January 1, 1970, or that it's UTC -- but it is, in
 fact, neither.

 ((Bangs head on keyboard at one second intervals, carefully skipping
 over leap seconds)).

 I'm torn between thanking you for pointing this out, and screaming!
 Both, I guess. I guess it shows how poorly people -- even people on
 standards committees who OUGHT to know better -- understand time.

 See the Sun Javadoc for the wiggle room Java allows, based on whatever
 imperfections the underlying OS has on this 
 score:http://download.oracle.com/javase/6/docs/api/java/util/Date.html

 The Android SDK documentation, on the other hand, is pathetically
 silent on the matter.

 The Wikipedia article on Unix time indicates that there's discussion
 of dropping leap seconds, and letting civil time drift. I guess
 eventually, noon will lose whatever vestiges of meaning it has now.

 This has been a sore point for me for decades. Timekeeping with
 sufficient accuracy (i.e within seconds) for celestial navigation is
 one of the greatest scientific endeavors, occupying some of science's
 best minds over centuries, culminating in the Longitude Prize, offered
 in 1714 and ultimately won in 1773.

 The earth rotates one nautical mile at the equator every 4 seconds, so
 even one second of error in time contributes significant error in
 position.

 I have in my possession the 6 volumes of Sight Reduction Tables
 published by the US Defense Mapping Agency. 6 volumes of tables of
 numbers for accurate calculation of spherical trigonometry with
 detailed attention to accuracy, carefully described procedures for
 calculation, down the the model of computer (IBM 1401) used to perform
 the calculations. And yes, I used to use them. When your personal
 safety, and of your crew, depends on accurate time, it gives you a
 different perspective on the matter!

 Accurate timekeeping is no less important in computer systems, where
 properly sequencing internal and external events is often critical --
 and sometimes involves life safety. Yet generations of programmers and
 system administrators alike have refused to be bothered with accurate
 timekeeping.

 I guess I'll go protest by setting all my clocks to UTC. (I've used
 exclusively 24-hour time for almost 40 years, and am used to doing the
 conversion to/from UTC, so it won't bother me!)

 On Dec 27, 9:12 pm, Steve Allen sla29...@gmail.com wrote:

  On Dec 26, 11:39 pm, Kostya Vasilyev kmans...@gmail.com wrote:

   With all due respect, there is a much easier way.

   Java date/time stamps are internally represented by long values, the
   value being the number of milliseconds since Jan. 1, 1970 GMT.

  Keep in mind that the count of milliseconds does not conform to
  legal nor physical elapsed time for any observer.  See here for 
  morehttp://www.ucolick.org/~sla/leapsecs/epochtime.html

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[android-developers] get the genre name with most songs from the music library

2010-12-29 Thread Kyle

I am trying to get the genre with most songs by using the media store and 
failed to get it, as well as I can get the artist with most songs.

Any one has good idea.

Thanks.
Kyle

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[android-developers] sqlite on sdcard

Hi,

I would like to store sqlite databse on sdcard.

Is is possible to tell system somehow to put it on sdcard?

Thanks.

-- 
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J. Allan Toogood, FORTRAN programmer

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Re: [android-developers] sqlite on sdcard

You'll have to write your own SQliteOpenHelper-type class for that, as 
the built-in implementation always calls context.getDatabasePath.


If you are not using SQliteOpenHeper, just call 
SQLiteDatabase.openOrCreateDatabase() with a path of your choice.


-- Kostya

29.12.2010 20:10, Nikola пишет:

Hi,

I would like to store sqlite databse on sdcard.

Is is possible to tell system somehow to put it on sdcard?

Thanks.

--
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J. Allan Toogood, FORTRAN programmer
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Re: [android-developers] sqlite on sdcard

On Wed, Dec 29, 2010 at 6:17 PM, Kostya Vasilyev kmans...@gmail.com wrote:

 You'll have to write your own SQliteOpenHelper-type class for that, as the
 built-in implementation always calls context.getDatabasePath.

 If you are not using SQliteOpenHeper, just call
 SQLiteDatabase.openOrCreateDatabase() with a path of your choice.

 -- Kostya


Thanks for quick reply.

Are there any doc on that. I still struggling with all of it.





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Re: [android-developers] sqlite on sdcard


Docs:

http://developer.android.com/reference/android/database/sqlite/SQLiteDatabase.html

I pasted my code here:

http://pastebin.com/1hKWffeu

It doesn't differentiate between read-only and writable database open 
modes (SqliteOpenHelper does), and probably lacks some error handling 
here and there (this is work in progress).


However, it should be enough to get you on the way.

-- Kostya

29.12.2010 20:23, Nikola ?:



On Wed, Dec 29, 2010 at 6:17 PM, Kostya Vasilyev kmans...@gmail.com 
mailto:kmans...@gmail.com wrote:


You'll have to write your own SQliteOpenHelper-type class for
that, as the built-in implementation always calls
context.getDatabasePath.

If you are not using SQliteOpenHeper, just call
SQLiteDatabase.openOrCreateDatabase() with a path of your choice.

-- Kostya


Thanks for quick reply.

Are there any doc on that. I still struggling with all of it.





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[android-developers] Re: Android TTS sound braking

2010-12-29 Thread Leon Moreyn-Android Development

There is a feature that can allow you make sure the clips plays fully
before termination. I can recall the method/function off the top of my
head but I believe it was in the API.

On Dec 28, 10:03 pm, Chandana Napagoda cnapag...@gmail.com wrote:
 HI,

 I have developed TTS based application, When playing it sound, if any other
 notification triggered, Then TTS playing with sound braking.( Ex: if SMS
 received TTS sound brake)
 What are condition which can occur such a issue?

 Thank You.

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[android-developers] Android SDK and AVD Manager - permission denied: connect

I'm getting the following message from the version 8 Android SDK and
AVD Manager when I try to refresh the sources:

Failed to fetch URL http://dl-ssl.google.com/android/repository/repository.xml,
reason: Permission denied: connect

I have no trouble browsing to the URL shown above. I am not using any
type of proxy server. My platform is Windows Vista.

Any ideas what might be wrong?

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[android-developers] Re: Android SDK and AVD Manager - permission denied: connect

I also tried the CLI version android.bat update sdk and got the same
results.

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[android-developers] Re: How to store date and time in database

Without even considering the computational aspects of this issue,
there are at least 3 definitions of noon depending on how you
measure a day: http://en.wikipedia.org/wiki/Earth%27s_rotation


On Dec 28, 7:41 pm, Bob Kerns r...@acm.org wrote:

 The Wikipedia article on Unix time indicates that there's discussion
 of dropping leap seconds, and letting civil time drift. I guess
 eventually, noon will lose whatever vestiges of meaning it has now.

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Re: [android-developers] sqlite on sdcard

On Wed, Dec 29, 2010 at 6:33 PM, Kostya Vasilyev kmans...@gmail.com wrote:

  Docs:


 http://developer.android.com/reference/android/database/sqlite/SQLiteDatabase.html

 I pasted my code here:

 http://pastebin.com/1hKWffeu

 It doesn't differentiate between read-only and writable database open modes
 (SqliteOpenHelper does), and probably lacks some error handling here and
 there (this is work in progress).

 However, it should be enough to get you on the way.

 -- Kostya


Thank you Kostya.

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[android-developers] Re: CPU cost of a semi-infinite loop

2010-12-29 Thread Slash4

Hello,

thanks you so much for looking at my problem :)

First, my application is using a SCREEN_DIM_WAKE_LOCK so the screen is
always on, yet the backlight and the keyboard are dimmed. Did you say
in this case, the battery would not be consumed ?

So, about accuracy, the fastest callback that I can set is 60ms (a
quarternote at 250 BPM tempo). I can afford a 10ms, lets say 15ms
jitter, more and it will be noticeable at this tempo. Following this
idea, I added a Thread.Sleep(10) since yesterday, to avoid too much
iterations of my timing loop :
while(isRunning){

  //Do stuff...

  try {
  Thread.sleep(10);
} catch (InterruptedException e) {

}
  }//End while

Is it better for CPU or is it only cosmetic ?

I didn't try message posting, I'll check this immediately. Is it
suitable for so short callback times ?

I didn't specified a priority on the Thread, so I suppose it's
inherited from the parent's priority. What would be the best value for
it in your opinion ?

Regards, Alex

On 29 déc, 03:22, Dianne Hackborn hack...@android.com wrote:
 This will run the CPU at 100%.  With the screen off, this will tremendously
 impact battery life.  With it on, it will be at least noticeable.

 How accurate do you need to be?  Have you tried other approaches such as
 posting messages at a time?  What priority are you running your timing
 thread at (priority would be the first thing I look at when it comes to
 accuracy).



 On Tue, Dec 28, 2010 at 4:06 AM, Slash4 alex.cen...@gmail.com wrote:
  Hi,

  I'm working on a metronome application, so I need a rather accurate
  time-measuring system to fire the metronome sound at the right time.
  Actually I found a solution, but I'm wondering if my method will not
  be cpu consuming. Here is the code snippet :

      t = new Thread() {
         public void run() {

           long neededTime = 0;
           while(isRunning){

             long curTime = SystemClock.uptimeMillis();

             if(curTime=neededTime){

               neededTime = curTime + (6/tempo);
               playSound(clickSoundId,100);

               incrementBeat();

               mHandler.post(mUpdateUi);
             }
           }
         }
     };
     t.setDaemon(true);
     t.start();

  You can see I set up a semi-infinite loop with rather frequent
  accesses to uptimeMillis() . I chose this method after having some
  issues with sleep() which is not accurate enough. When I want to stop
  the metronome, I just have to set isRunning to false.

  How can I evaluate the impact of this on CPU and battery ?

  Thanks a lot.
  Rgds, Alex

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 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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Re: [android-developers] Re: How to store date and time in database


And that's not even considering the effects of tidal friction.

I love Wikipedia.

-- Kostya

29.12.2010 21:46, Bret Foreman пишет:

Without even considering the computational aspects of this issue,
there are at least 3 definitions of noon depending on how you
measure a day: http://en.wikipedia.org/wiki/Earth%27s_rotation


On Dec 28, 7:41 pm, Bob Kernsr...@acm.org  wrote:


The Wikipedia article on Unix time indicates that there's discussion
of dropping leap seconds, and letting civil time drift. I guess
eventually, noon will lose whatever vestiges of meaning it has now.



--
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[android-developers] Re: CPU cost of a semi-infinite loop

2010-12-29 Thread Slash4

I answered you but I don't see my message.. I hope it's OK :s

On 29 déc, 03:22, Dianne Hackborn hack...@android.com wrote:
 This will run the CPU at 100%.  With the screen off, this will tremendously
 impact battery life.  With it on, it will be at least noticeable.

 How accurate do you need to be?  Have you tried other approaches such as
 posting messages at a time?  What priority are you running your timing
 thread at (priority would be the first thing I look at when it comes to
 accuracy).



 On Tue, Dec 28, 2010 at 4:06 AM, Slash4 alex.cen...@gmail.com wrote:
  Hi,

  I'm working on a metronome application, so I need a rather accurate
  time-measuring system to fire the metronome sound at the right time.
  Actually I found a solution, but I'm wondering if my method will not
  be cpu consuming. Here is the code snippet :

      t = new Thread() {
         public void run() {

           long neededTime = 0;
           while(isRunning){

             long curTime = SystemClock.uptimeMillis();

             if(curTime=neededTime){

               neededTime = curTime + (6/tempo);
               playSound(clickSoundId,100);

               incrementBeat();

               mHandler.post(mUpdateUi);
             }
           }
         }
     };
     t.setDaemon(true);
     t.start();

  You can see I set up a semi-infinite loop with rather frequent
  accesses to uptimeMillis() . I chose this method after having some
  issues with sleep() which is not accurate enough. When I want to stop
  the metronome, I just have to set isRunning to false.

  How can I evaluate the impact of this on CPU and battery ?

  Thanks a lot.
  Rgds, Alex

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 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] Does Android's GPS location provider do a built-in optimization?

2010-12-29 Thread t

how accurate is the data from Android's GPS location provider?

does the device always try to seek a satellite, or does it sometimes
return an optimization of the past locations without querying the
satellites?

if this question is device-specific, i'm asking about HTC Hero, HTC
Desire and Google Nexus One.

thanks

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[android-developers] HELP: Receiver killed on startup.

2010-12-29 Thread Raj

Experts,

I have a simple receiver that listens to the BOOT_COMPLETED
action. The manifest is as follows

--
?xml version=1.0 encoding=utf-8?
manifest xmlns:android=http://schemas.android.com/apk/res/android;
  package=com.preciseinc.DroidLocator
  android:versionCode=1
  android:versionName=1.0
uses-permission
android:name=android.permission.RECEIVE_BOOT_COMPLETED /
uses-permission android:name=android.permission.INTERNET /
uses-permission
android:name=android.permission.ACCESS_FINE_LOCATION /
uses-permission
android:name=android.permission.ACCESS_NETWORK_STATE /
uses-sdk android:minSdkVersion=8 /

application android:icon=@drawable/icon android:label=@string/
app_name android:debuggable=true
receiver android:name=ServiceAutoStarter
android:process=:DroidLocator
intent-filter
action
android:name=android.intent.action.BOOT_COMPLETED/
/intent-filter
/receiver
/application
/manifest
--

However, when I start debugging with an emulator, the apk gets
installed, but the receiver process is terminated. Please see a
snippet of the logcat below.

--
12-29 13:55:48.674: DEBUG/PackageManager(60): Scanning package
com.preciseinc.DroidLocator
12-29 13:55:48.684: INFO/PackageManager(60): Package
com.preciseinc.DroidLocator codePath changed from /data/app/
com.preciseinc.DroidLocator-1.apk to /data/app/
com.preciseinc.DroidLocator-2.apk; Retaining data and using new
12-29 13:55:48.694: INFO/PackageManager(60): /data/app/
com.preciseinc.DroidLocator-2.apk changed; unpacking
12-29 13:55:48.704: DEBUG/installd(35): DexInv: --- BEGIN '/data/app/
com.preciseinc.DroidLocator-2.apk' ---
12-29 13:55:48.934: DEBUG/dalvikvm(363): DexOpt: load 47ms, verify
29ms, opt 2ms
12-29 13:55:48.954: DEBUG/installd(35): DexInv: --- END '/data/app/
com.preciseinc.DroidLocator-2.apk' (success) ---
12-29 13:55:48.954: WARN/PackageManager(60): Code path for pkg :
com.preciseinc.DroidLocator changing from /data/app/
com.preciseinc.DroidLocator-1.apk to /data/app/
com.preciseinc.DroidLocator-2.apk
12-29 13:55:48.954: WARN/PackageManager(60): Resource path for pkg :
com.preciseinc.DroidLocator changing from /data/app/
com.preciseinc.DroidLocator-1.apk to /data/app/
com.preciseinc.DroidLocator-2.apk
12-29 13:55:48.954: DEBUG/PackageManager(60):   Receivers:
com.preciseinc.DroidLocator.ServiceAutoStarter
12-29 13:55:48.974: INFO/ActivityManager(60): Force stopping package
com.preciseinc.DroidLocator uid=10040
12-29 13:55:49.134: INFO/installd(35): move /data/dalvik-cache/
d...@app@com.preciseinc.droidlocator-2@classes.dex - /data/dalvik-
cache/d...@app@com.preciseinc.droidlocator-2@classes.dex
12-29 13:55:49.144: DEBUG/PackageManager(60): New package installed
in /data/app/com.preciseinc.DroidLocator-2.apk
12-29 13:55:49.354: INFO/ActivityManager(60): Force stopping package
com.preciseinc.DroidLocator uid=10040
12-29 13:55:49.664: WARN/RecognitionManagerService(60): no available
voice recognition services found
12-29 13:55:49.844: DEBUG/dalvikvm(60): GC_FOR_MALLOC freed 8811
objects / 535480 bytes in 171ms
12-29 13:55:49.984: DEBUG/dalvikvm(60): GC_EXPLICIT freed 511
objects / 27096 bytes in 139ms
12-29 13:55:49.984: INFO/installd(35): unlink /data/dalvik-cache/
d...@app@com.preciseinc.droidlocator-1@classes.dex
12-29 13:55:49.994: DEBUG/AndroidRuntime(356): Shutting down VM
12-29 13:55:50.034: DEBUG/dalvikvm(356): Debugger has detached; object
registry had 1 entries
12-29 13:55:50.074: INFO/AndroidRuntime(356): NOTE: attach of thread
'Binder Thread #3' failed
--

Any ideas on why this is being terminated, and any workarounds? Any
and all help greatly appreciated.

Regards,

Raj Malhotra.

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Re: [android-developers] Does Android's GPS location provider do a built-in optimization?

2010-12-29 Thread mohammad shankayi

in most gps devices , the device has a graph of visible sat.s and estimates
the postion of sat.s based on it ...
sincerely
mohammad shankayi


On Wed, Dec 29, 2010 at 10:59, t tomers...@gmail.com wrote:

 how accurate is the data from Android's GPS location provider?

 does the device always try to seek a satellite, or does it sometimes
 return an optimization of the past locations without querying the
 satellites?

 if this question is device-specific, i'm asking about HTC Hero, HTC
 Desire and Google Nexus One.

 thanks

 --
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Re: [android-developers] Re: CPU cost of a semi-infinite loop


Perhaps it would be a better idea to a use pre-recorded sound for this.

You are trying to solve a problem at the application level that's 
already been solved, but at lower levels within the system.


By using a pre-recorded sound, you can leverage other people's work.

For different metronome paces, perhaps you could run some kind of 
preprocessing on the sound file before feeding it into the sound 
playback APIs.


-- Kostya

PS: 250 BPM tempo... do gabber DJs use metronomes? :)

29.12.2010 21:54, Slash4 пишет:

Hello,

thanks you so much for looking at my problem :)

First, my application is using a SCREEN_DIM_WAKE_LOCK so the screen is
always on, yet the backlight and the keyboard are dimmed. Did you say
in this case, the battery would not be consumed ?

So, about accuracy, the fastest callback that I can set is 60ms (a
quarternote at 250 BPM tempo). I can afford a 10ms, lets say 15ms
jitter, more and it will be noticeable at this tempo. Following this
idea, I added a Thread.Sleep(10) since yesterday, to avoid too much
iterations of my timing loop :
 while(isRunning){

   //Do stuff...

   try {
   Thread.sleep(10);
 } catch (InterruptedException e) {

 }
   }//End while

Is it better for CPU or is it only cosmetic ?

I didn't try message posting, I'll check this immediately. Is it
suitable for so short callback times ?

I didn't specified a priority on the Thread, so I suppose it's
inherited from the parent's priority. What would be the best value for
it in your opinion ?

Regards, Alex

On 29 déc, 03:22, Dianne Hackbornhack...@android.com  wrote:

This will run the CPU at 100%.  With the screen off, this will tremendously
impact battery life.  With it on, it will be at least noticeable.

How accurate do you need to be?  Have you tried other approaches such as
posting messages at a time?  What priority are you running your timing
thread at (priority would be the first thing I look at when it comes to
accuracy).



On Tue, Dec 28, 2010 at 4:06 AM, Slash4alex.cen...@gmail.com  wrote:

Hi,
I'm working on a metronome application, so I need a rather accurate
time-measuring system to fire the metronome sound at the right time.
Actually I found a solution, but I'm wondering if my method will not
be cpu consuming. Here is the code snippet :
 t = new Thread() {
public void run() {
  long neededTime = 0;
  while(isRunning){
long curTime = SystemClock.uptimeMillis();
if(curTime=neededTime){
  neededTime = curTime + (6/tempo);
  playSound(clickSoundId,100);
  incrementBeat();
  mHandler.post(mUpdateUi);
}
  }
}
};
t.setDaemon(true);
t.start();
You can see I set up a semi-infinite loop with rather frequent
accesses to uptimeMillis() . I chose this method after having some
issues with sleep() which is not accurate enough. When I want to stop
the metronome, I just have to set isRunning to false.
How can I evaluate the impact of this on CPU and battery ?
Thanks a lot.
Rgds, Alex
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--
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.



--
Kostya Vasilyev -- WiFi Manager + pretty widget -- http://kmansoft.wordpress.com

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Re: [android-developers] List View inside a Layout

2010-12-29 Thread Manoj Maurya

It will be done same way. I m working on similar thing. Exactly, where are
you stuck? You have to get listview's id and use set adapter in same way as
it is done for a normal listview.

Thanks
Manoj Kumar Maurya
Hi all..

What I want to do is:

I have a layout with some textviews and buttons.

I want to add to this layout a simple listView with a String, i mean.
a simple ListView not a custom one.

this is my layout more or less:

Layout screen
TextView/
Button/
ListView/
/LayoutScreen

So, I did a lot of google, but all the examples that i found is for an
activity which layout only contains a ListView, simple or custom, but
just only a ListView.

In my case i don't know how to populate the my list View... I don't
know what i am doing bad

Can you help me?

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[android-developers] Re: CPU cost of a semi-infinite loop

This is very similar to a problem I solved when I was testing disk I/O
subsystems and needed to generate I/O requests at fixed intervals of a
few hundred per second. What I did was to take a timestamp at the
beginning of the test and set up a loop with a sleep in it. The
initial sleep value was just 1/desired_rate and then I adjusted the
sleep value each time the process woke up to keep the average rate
constant over the current_time - timestamp interval. This algorithm
converged quickly and the jitter was quite small. I can probably find/
post the C code if you'd like to see it.

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Re: [android-developers] HELP: Receiver killed on startup.

On Wed, Dec 29, 2010 at 2:04 PM, Raj rnmalho...@gmail.com wrote:
    I have a simple receiver that listens to the BOOT_COMPLETED
 action.

snip

 However, when I start debugging with an emulator, the apk gets
 installed, but the receiver process is terminated.

Of course.

Actually, your receiver process was probably terminated earlier, as a
manifest-registered BroadcastReceiver can only live for a few seconds,
tops.

 and any workarounds?

Don't install a new version of your APK.

To debug BOOT_COMPLETED receivers, add Log statements to your code and
reboot your emulator. Examine LogCat to see what happened. Adjust your
code. Lather, rinse, repeat.

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

Android App Developer Books: http://commonsware.com/books

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[android-developers] Google analytics crash

2010-12-29 Thread Mark Wyszomierski

Hi,

I'm using google analytics in my app. I am getting a good number of
force closes from users, finally got a stacktrace:

Caused by: android.database.sqlite.SQLiteException: file is encrypted
or is not a database
  at android.database.sqlite.SQLiteDatabase.native_setLocale(Native
Method)
  at
android.database.sqlite.SQLiteDatabase.setLocale(SQLiteDatabase.java:
1864)
  at android.database.sqlite.SQLiteDatabase.init(SQLiteDatabase.java:
1814)
  at
android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:
808)
  at
android.database.sqlite.SQLiteOpenHelper.getReadableDatabase(SQLiteOpenHelper.java:
168)
  at
com.google.android.apps.analytics.PersistentEventStore.getNumStoredEvents(PersistentEventStore.java:
160)
  at
com.google.android.apps.analytics.PersistentEventStore.startNewVisit(PersistentEventStore.java:
177)
  at
com.google.android.apps.analytics.GoogleAnalyticsTracker.start(GoogleAnalyticsTracker.java:
108)
  at
com.google.android.apps.analytics.GoogleAnalyticsTracker.start(GoogleAnalyticsTracker.java:
99)
  at
com.google.android.apps.analytics.GoogleAnalyticsTracker.start(GoogleAnalyticsTracker.java:
83)
  at
com.google.android.apps.analytics.GoogleAnalyticsTracker.start(GoogleAnalyticsTracker.java:
94)
  at com.me.myapp.MyActivity.onCreate(MyActivity.java:30)
  at
android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:
1047)
  at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
2459)

anyone else getting this? The call that causes it:

  private GoogleAnalyticsTracker tracker;

  tracker = GoogleAnalyticsTracker.getInstance();
  tracker.start(mykey, context);  - causes the exception.

This is working fine for most users. I'm going to try catching the
exception, hopefully that will work.

Thanks

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Re: [android-developers] Re: CPU cost of a semi-infinite loop

2010-12-29 Thread Frank Weiss

I'd look into Kostya's suggestion. Ideally, you only need the click sample
and you can program the audio player to play the sample at precise
intervals.

Trying to do precise timing with SDK programming is just frought with
pitfalls, AFAIK.

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[android-developers] How to write a android keyboard preference and show in Android Setting Language Keyboard.

2010-12-29 Thread Cloudyblood

Hi

I wrote the android keyboard , but I didn't have a preference.

I tried to write a preference of my android keyboard , but it didn't
show in Android Setting  Language  Keyboard.

Here is my manifest:

?xml version=1.0 encoding=utf-8?
manifest xmlns:android=http://schemas.android.com/apk/res/android;
package=com.popj.popjkeyboard
android:versionCode=1
android:versionName=1.2
application android:label=@string/ime_name
service android:name=SoftKeyboard
android:permission=android.permission.BIND_INPUT_METHOD
intent-filter
action android:name=android.view.InputMethod /
/intent-filter
meta-data android:name=android.view.im android:resource=@xml/
method /
/service
activity android:name=SoftKeyboardSettings
android:label=Settings
/activity
/application
uses-sdk android:minSdkVersion=7 /

/manifest

Please give me any suggestion.

Thank you.

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Re: [android-developers] How implement LBS in Android

2010-12-29 Thread Frank Weiss

Agreed, creating and keeping a POI database up to date is difficult. AFAIK
Google Places is one attempt at a universal solution and there are others
being considered.

Tell us, what particular POIs are you interested in and for what kind of use
cases? What are the limitations of Google Places API (I haven't studied it)?
Is it just that it's not supported on Android? Could you access it from your
web server?

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Re: [android-developers] example on asynctask class..

2010-12-29 Thread Frank Weiss

I'm assuming you've studied this article very carefully:
http://developer.android.com/resources/articles/painless-threading.html

Please ask a question about a specific problem you're having.

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[android-developers] Instructions to manually install an SDK

For reasons that I cannot discover, on my Windows Vista platform, the
version 8 Android SDK Manager cannot access the repository URL at
https://dl-ssl.google.com/android/repository/repository.xml nor the
alternate directory at 
http://dl-ssl.google.com/android/repository/repository.xml.

However, I can browse to both these URLs just fine. Is there a way I
can manually download the appropriate SDK and install it in the
correct platform folder? Does anyone know of instructions for this?

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Re: [android-developers] Re: CPU cost of a semi-infinite loop

On Wed, Dec 29, 2010 at 10:54 AM, Slash4 alex.cen...@gmail.com wrote:

 First, my application is using a SCREEN_DIM_WAKE_LOCK so the screen is
 always on, yet the backlight and the keyboard are dimmed. Did you say
 in this case, the battery would not be consumed ?


Absolutely not.  The CPU running flat-out takes a fair amount of power.
 Especially since on most devices if you do this you will cause the kernel
to bring the CPU up to its full speed, since as far as it can tell it has
tons of work to do.


 So, about accuracy, the fastest callback that I can set is 60ms (a
 quarternote at 250 BPM tempo). I can afford a 10ms, lets say 15ms
 jitter, more and it will be noticeable at this tempo. Following this
 idea, I added a Thread.Sleep(10) since yesterday, to avoid too much
 iterations of my timing loop :
while(isRunning){

  //Do stuff...

  try {
  Thread.sleep(10);
} catch (InterruptedException e) {

}
  }//End while

 Is it better for CPU or is it only cosmetic ?


I think you should be able to get 10ms accuracy with regular timers -- for
reference, a frame at 60fps is 20ms, and we regularly run times update loops
at 60fps.

Possibly a bigger issue you will run into is GCs, which prior to 2.3 can
take significantly more than 10ms and block all threads running in the
Dalvik VM while doing so.  At the very least, you want to be extremely
careful in the rest of your app to avoid generating garbage objects while
running.  You can tell if this is causing the problem because there will be
a log printed each time there is a GC.


 I didn't specified a priority on the Thread, so I suppose it's
 inherited from the parent's priority. What would be the best value for
 it in your opinion ?


Probably:
http://developer.android.com/reference/android/os/Process.html#THREAD_PRIORITY_AUDIO

But note if you use this -- you ABSOLUTELY CAN NOT use a busy-loop.  Running
at this priority means that thread needs to use as little CPU as it can,
only what it needs to do the specific audio work.

-- 
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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Re: [android-developers] HELP: Receiver killed on startup.

On Wed, Dec 29, 2010 at 11:29 AM, Mark Murphy mmur...@commonsware.comwrote:

 To debug BOOT_COMPLETED receivers, add Log statements to your code and
 reboot your emulator. Examine LogCat to see what happened. Adjust your
 code. Lather, rinse, repeat.


You can also use adb shell am to send a BOOT_COMPLETED broadcast to your
app for quick testing.  I can't remember the exact syntax, but am help
will tell you.  Be sure to specific your explicit component name when doing
this, or you will cause all installed apps to re-run their boot completed
receivers, which may not be fun. :)

-- 
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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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Re: [android-developers] Re: CPU cost of a semi-infinite loop


To elaborate a bit:

http://developer.android.com/reference/android/media/AudioTrack.html

AudioTrack supports streaming mode of operation, where data can be fed 
into it on the fly.


You'd still need to do some sort of scheduled periodic loop, for feeding 
data to AudioTrack in chunks, but this way can deal with much larger 
jitter, which would be reasonable at application level.


At some point, you'd need to queue the metronome click, presumably from 
an audio file packed within the application.


This should help with that:

http://mindtherobot.com/blog/580/android-audio-play-a-wav-file-on-an-audiotrack/

-- Kostya

29.12.2010 22:40, Frank Weiss пишет:
I'd look into Kostya's suggestion. Ideally, you only need the click 
sample and you can program the audio player to play the sample at 
precise intervals.
Trying to do precise timing with SDK programming is just frought with 
pitfalls, AFAIK.

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Re: [android-developers] Does Android's GPS location provider do a built-in optimization?

That doesn't really make sense.  When you ask for location, you will specify
how accurate you want the data to be.  If you ask for GPS accuracy, it will
start using that (if it hasn't already).  You keep the request open, so it
continuously looks for satellites and tracks movement.  Each update it gives
you includes the accuracy of the position, which is based on the source of
the data (network, GPS, etc), and for GPS the number of satellites.

Often when you first ask for GPS data, there will be no GPS fix at all, but
you will still be able to get some data based on cell towers.  The accuracy
information tells you how much you can infer from each report you get.  But
this is not a one-shot request -- as long as you have asked for position
reports, it will continually monitor the location as accurately as it can.

There is of course the newer API to get the last location, and of course
that is what it says -- the last reported location, whatever that was,
without use GPS or cell towers to try to determine the current location.

On Wed, Dec 29, 2010 at 10:59 AM, t tomers...@gmail.com wrote:

 how accurate is the data from Android's GPS location provider?

 does the device always try to seek a satellite, or does it sometimes
 return an optimization of the past locations without querying the
 satellites?

 if this question is device-specific, i'm asking about HTC Hero, HTC
 Desire and Google Nexus One.

 thanks

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hack...@android.com

Note: please don't send private questions to me, as I don't have time to
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Re: [android-developers] Instructions to manually install an SDK



I just tried downloading outside the AVD manager - the following worked 
for me:


- Open http://dl-ssl.google.com/android/repository/repository.xml in 
Internet Explorer, scroll down and find sdk:platform, and inside that, 
the archive for windows.


- Replace repository.xml with the file name, you'll get something like:

http://dl-ssl.google.com/android/repository/android-2.2_r02-windows.zip

As for installing, it seems like the contents of sdk:platform goes 
into android-sdk-windows\platforms\android-X (8 for 2.2).


There are two more packages, Android SDK Platform-tools, and Android 
SDK Tools, you can find them in the same .xml file. I would guess they 
go into android-sdk-windows\platform-tools and android-sdk-windows\tools.


-- Kostya

29.12.2010 22:59, Bret Foreman пишет:

For reasons that I cannot discover, on my Windows Vista platform, the
version 8 Android SDK Manager cannot access the repository URL at
https://dl-ssl.google.com/android/repository/repository.xml nor the
alternate directory at 
http://dl-ssl.google.com/android/repository/repository.xml.

However, I can browse to both these URLs just fine. Is there a way I
can manually download the appropriate SDK and install it in the
correct platform folder? Does anyone know of instructions for this?




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Re: [android-developers] Does Android's GPS location provider do a built-in optimization?

2010-12-29 Thread mohammad shankayi

dianne is right but this ability is only in A-gps devices and as we know all
android devices has the ability of positioning with cell towers :)
sincerely
mohammad shankayi


On Wed, Dec 29, 2010 at 12:23, Dianne Hackborn hack...@android.com wrote:

 That doesn't really make sense.  When you ask for location, you will
 specify how accurate you want the data to be.  If you ask for GPS accuracy,
 it will start using that (if it hasn't already).  You keep the request open,
 so it continuously looks for satellites and tracks movement.  Each update it
 gives you includes the accuracy of the position, which is based on the
 source of the data (network, GPS, etc), and for GPS the number of
 satellites.

 Often when you first ask for GPS data, there will be no GPS fix at all, but
 you will still be able to get some data based on cell towers.  The accuracy
 information tells you how much you can infer from each report you get.  But
 this is not a one-shot request -- as long as you have asked for position
 reports, it will continually monitor the location as accurately as it can.

 There is of course the newer API to get the last location, and of course
 that is what it says -- the last reported location, whatever that was,
 without use GPS or cell towers to try to determine the current location.


 On Wed, Dec 29, 2010 at 10:59 AM, t tomers...@gmail.com wrote:

 how accurate is the data from Android's GPS location provider?

 does the device always try to seek a satellite, or does it sometimes
 return an optimization of the past locations without querying the
 satellites?

 if this question is device-specific, i'm asking about HTC Hero, HTC
 Desire and Google Nexus One.

 thanks

 --
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 --
 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 store date and time in database

2010-12-29 Thread Bob Kerns

Sort and compare, mostly true -- but fail if you try to deal with a
leap second. At least that's relatively rare.

Subtract? No. Fails if a leap second falls between the two times. This
is much a much more common case.

In either case, your software can malfunction anew on every leap
second.

Do you want medical device, or industrial control, or flight
navigation system, to hiccup on every leap second?  Sometimes a second
is an enormous error.

On Dec 29, 9:05 am, DanH danhi...@ieee.org wrote:
 It should be pointed out that it doesn't matter (much) what time
 reference is used, so long as it's used consistently, and all
 conversion algorithms to/from the reference form understand its
 details.  So long as a consistent reference is used dates will sort
 and compare correctly.

 On Dec 28, 9:41 pm, Bob Kerns r...@acm.org wrote:







  I didn't realize until now that POSIX absolutely FAILED on this. Every
  description I've seen of this time indicates either that it's number
  of seconds since January 1, 1970, or that it's UTC -- but it is, in
  fact, neither.

  ((Bangs head on keyboard at one second intervals, carefully skipping
  over leap seconds)).

  I'm torn between thanking you for pointing this out, and screaming!
  Both, I guess. I guess it shows how poorly people -- even people on
  standards committees who OUGHT to know better -- understand time.

  See the Sun Javadoc for the wiggle room Java allows, based on whatever
  imperfections the underlying OS has on this 
  score:http://download.oracle.com/javase/6/docs/api/java/util/Date.html

  The Android SDK documentation, on the other hand, is pathetically
  silent on the matter.

  The Wikipedia article on Unix time indicates that there's discussion
  of dropping leap seconds, and letting civil time drift. I guess
  eventually, noon will lose whatever vestiges of meaning it has now.

  This has been a sore point for me for decades. Timekeeping with
  sufficient accuracy (i.e within seconds) for celestial navigation is
  one of the greatest scientific endeavors, occupying some of science's
  best minds over centuries, culminating in the Longitude Prize, offered
  in 1714 and ultimately won in 1773.

  The earth rotates one nautical mile at the equator every 4 seconds, so
  even one second of error in time contributes significant error in
  position.

  I have in my possession the 6 volumes of Sight Reduction Tables
  published by the US Defense Mapping Agency. 6 volumes of tables of
  numbers for accurate calculation of spherical trigonometry with
  detailed attention to accuracy, carefully described procedures for
  calculation, down the the model of computer (IBM 1401) used to perform
  the calculations. And yes, I used to use them. When your personal
  safety, and of your crew, depends on accurate time, it gives you a
  different perspective on the matter!

  Accurate timekeeping is no less important in computer systems, where
  properly sequencing internal and external events is often critical --
  and sometimes involves life safety. Yet generations of programmers and
  system administrators alike have refused to be bothered with accurate
  timekeeping.

  I guess I'll go protest by setting all my clocks to UTC. (I've used
  exclusively 24-hour time for almost 40 years, and am used to doing the
  conversion to/from UTC, so it won't bother me!)

  On Dec 27, 9:12 pm, Steve Allen sla29...@gmail.com wrote:

   On Dec 26, 11:39 pm, Kostya Vasilyev kmans...@gmail.com wrote:

With all due respect, there is a much easier way.

Java date/time stamps are internally represented by long values, the
value being the number of milliseconds since Jan. 1, 1970 GMT.

   Keep in mind that the count of milliseconds does not conform to
   legal nor physical elapsed time for any observer.  See here for 
   morehttp://www.ucolick.org/~sla/leapsecs/epochtime.html

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[android-developers] Re: Animation problem

2010-12-29 Thread iced

Thank you for your answer.
I tried all 2^6 combinations of the three flags (fillBefore,
fillAfter, fillEnabled) but the animation still not works. I only want
a pulsate. No matter what I do it is no liquid/smooth animation. It
jerks and jumps. I can't find a solution. I would be grateful for
help.

On 29 Dez., 03:47, John Lussmyer johnlussm...@gmail.com wrote:
 You may want to set the setFillBefore and/or setFillAfter values.  (one of
 them defaults to true, the other to false.)

 On Tue, Dec 28, 2010 at 3:21 PM, iced pascal-h...@t-online.de wrote:
  Hello,
  I'm new here and I don't know if this is the right place for my
  problem. Please excuse me if it's wrong.
  I want to create a scale animation where a view grows a bit from it's
  original size and then shrinks to it's old size.

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[android-developers] Re: New Application - advice on how to get started?

2010-12-29 Thread Hal

You'll probably need a set of reusable Android components (Database,
Services, etc) for this.
You may want to take a look a the Jt Design Pattern Framework:


a) Java Pattern Oriented Framework, An application of the Messaging
Design Pattern
IBM Technical Library
http://www.ibm.com/developerworks/webservices/library/ws-designpattern/index.html

b) Messaging Design Pattern (MDP) and pattern implementation -
Published in the 17th conference on Pattern Languages of Programs
(PLoP 2010).
https://jt.dev.java.net/files/documents/5553/150311/designPatterns.pdf



On Dec 27, 6:45 pm, chat2joe chat2...@gmail.com wrote:
 Hey all,

 We're starting a new project for college. We've no android development
 experience, not even Java, so really jumping in the deep end. So any
 advice on relevant tutorials is welcome... I haven't found too much on
 maps online.

 - We need to develop an application that will allow users to share
 their location... this will upload to a database every few seconds.
 - Then users can view other users on a google map, positions
 downloaded every few seconds from the database.
 - We will want the positions to update automatically at a fixed
 interval and redraw on the map.
 - Also we will need to draw paths/manual-routes as an overlay on the
 map.

 Any advice where to begin with this?

 I have the SDK downloaded and the Hello Android tutorial completed.
 Any advice on a series of tutorials, videos, etc that would help
 achive the above would be great it's a big step from Hello
 Android!

 Thanks,
 Joe

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Re: [android-developers] New Android Market Client Update

2010-12-29 Thread brian purgert

I just released my first payed application and a get alot of refunds but
they are usally within in 3 minutes which is really odd, im almost positive
that it works on most phones, its just weird because you wouldent even be
able to play the first level in that time.
On Dec 11, 2010 3:42 AM, webmonkey webmonke...@gmail.com wrote:

 From the blog post at:


http://android-developers.blogspot.com/2010/12/android-market-client-update.html

 Since most users who request a refund do so within minutes of
 purchase, we will reduce the refund window on Market to 15 minutes.

 Funny, this is also my experience but not because they do not like the
 app, but because it won't download!!! The purchase was successful, but
 the download will be stuck at 0%. So they panic and cancel it within
 minutes and then mail us that it won't work!

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Re: [android-developers] Does Android's GPS location provider do a built-in optimization?

Yes if the device does not have a GPS, or if the user has turned off the
GPS, you will only get cell or network based location.

On Wed, Dec 29, 2010 at 12:47 PM, mohammad shankayi mohd...@gmail.comwrote:

 dianne is right but this ability is only in A-gps devices and as we know
 all android devices has the ability of positioning with cell towers :)
 sincerely
 mohammad shankayi


 On Wed, Dec 29, 2010 at 12:23, Dianne Hackborn hack...@android.comwrote:

 That doesn't really make sense.  When you ask for location, you will
 specify how accurate you want the data to be.  If you ask for GPS accuracy,
 it will start using that (if it hasn't already).  You keep the request open,
 so it continuously looks for satellites and tracks movement.  Each update it
 gives you includes the accuracy of the position, which is based on the
 source of the data (network, GPS, etc), and for GPS the number of
 satellites.

 Often when you first ask for GPS data, there will be no GPS fix at all,
 but you will still be able to get some data based on cell towers.  The
 accuracy information tells you how much you can infer from each report you
 get.  But this is not a one-shot request -- as long as you have asked for
 position reports, it will continually monitor the location as accurately as
 it can.

 There is of course the newer API to get the last location, and of course
 that is what it says -- the last reported location, whatever that was,
 without use GPS or cell towers to try to determine the current location.


 On Wed, Dec 29, 2010 at 10:59 AM, t tomers...@gmail.com wrote:

 how accurate is the data from Android's GPS location provider?

 does the device always try to seek a satellite, or does it sometimes
 return an optimization of the past locations without querying the
 satellites?

 if this question is device-specific, i'm asking about HTC Hero, HTC
 Desire and Google Nexus One.

 thanks

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 --
 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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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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Re: [android-developers] Re: Animation problem

2010-12-29 Thread John Lussmyer

jerks and jumps in the emulator, or one the phone?
I've found that the emulator is VERY bad at running things at a consistent
speed.  The phone seems to do a much better job of it.

On Wed, Dec 29, 2010 at 1:27 PM, iced pascal-h...@t-online.de wrote:

 Thank you for your answer.
 I tried all 2^6 combinations of the three flags (fillBefore,
 fillAfter, fillEnabled) but the animation still not works. I only want
 a pulsate. No matter what I do it is no liquid/smooth animation. It
 jerks and jumps. I can't find a solution. I would be grateful for
 help.


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[android-developers] Re: Converting Touch Inputs to Vectors

2010-12-29 Thread Paul

Bumping hoping someone can point me in the right direction!

Paul

On Dec 29, 1:18 am, Paul pmmen...@gmail.com wrote:
 Hi all.  I am writing an app that will convert touchscreen user inputs
 (such as the user 'handwriting' on the screen) into vectors that can
 then be saved and recalled later.  I need to get the vectors into a
 format I can store locally, either as a file or in an SQLite
 database.  Just wondering if anyone had any pointers as to how to get
 started...  my initial thought was to listen for MotionEvents and when
 an ACTION_DOWN is detected, record the coordinates and use this as the
 vector's start point, and then record intermediate coordinates as the
 ACTION_MOVE is triggered (used to help define the shape of this Path
 they are creating), ending the stroke vector on ACTION_UP... but this
 results in many many intermediate points per vector (30 or 40) and
 with several hundred vectors (a full page of handwritten text on a
 tablet for example) this solution gets quickly out of hand as each
 page will potentially require tens of thousands of points...

 Any suggestions on a better way to represent and store user-inputed
 vectors/paths?  Or maybe another approach completely?

 Thanks for any help!

 Paul

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[android-developers] how to avoid cut off of words in TextView

2010-12-29 Thread gato chlr

Hi list!

for example :

TextView a = new TextView(this);
a.setText(I'm a set of words, some ones larger than others, no matter);

it is posible to have painted the next :

i'm a set of wo
rds, some one
s larger than o
thers, no matt
er

i need something like

i'm a set of
words, some
ones larger
than others,
no matter

I have tried using Gravity.CENTER_HORIZONTAL, it works but not totally.

some advice?

thanks

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Re: [android-developers] how to avoid cut off of words in TextView