date:20091023

[android-developers] changing the shape of Button

2009-10-23 Thread Asif k


Hi all,

  I want to change the shape of Button from rectangle to triangle in
my Activity. Is it possible? Is there any API available for this?

  Thanks,
   Asif
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[android-developers] How to draw 3D objects on a MapView

2009-10-23 Thread Anush Deekonda


Hi,

I have been able to draw a map using 'MapActivity' class.
Am unable to render 3D graphics on the Map.
Is there any way to draw something on the foreground with the Map as
the background?

Thank you,
Anush
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[android-developers] Android design issue about cts test case testThreadCpuTimeNanos?

2009-10-23 Thread XingChao Wang

Hi,
I met a problem on this test case which finally get current thread cpu-run
time.
If you know details,please comment here.
thanks
--wang xingchao

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[android-developers] a strange problem about large screen on android 1.6

2009-10-23 Thread 乾宇王


hello,everyone,I am newbie,and I have a program. but now I want make
it support multiple screens(small,normal and large).I am 100% sure the
all of layouts are working perfectly now,
but large screen,the problem is that all XML files of layouts in
layout-large can't load,The platform
always load default XML file(these are under layout folder) at large
screen environment.

Did anyone meet this trouble?Please help me!

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[android-developers] Re: PVMFFailure when using MediaPlayer for radio streams

2009-10-23 Thread dede


Hi,
In 1.6,I also try to play stream through setDataSource(http://
xxx/.mp3),
but also it return IOException: prepare failed, status=0x1.
If set the url into windows media player, it can play correctly, I
wanna know your problem whether be resolved?
If yes, can u tell me the solution,thanks very much.

On 10月7日, 上午5时41分, iwhoyt wallace...@hotmail.com wrote:
 In 1.5 I was able to stream an mp3 over http by passing the url to
 setDataSource(). However I started gettingPVMFFailures in 1.6. For
 me the issue was the Content-Type http header. If the header was set
 correctly (Content-Type: audio/mpeg), the stream played. Otherwise if
 failed during PLAYER_INIT.

 On Sep 2, 2:32 am, siliconeagle rrmu...@gmail.com wrote:

  Also the URl is a http (MP3) stream URL - as opposed tioo other opost
  where RTSP is being tried. It looks like it should just work. Has
  anyone else got streaming working via a streaming URL?

  On Sep 1, 1:24 pm, siliconeagle rrmu...@gmail.com wrote:

   I am trying to build streaming radio into my app, which works fines
   streaming files over the internet, but when i try to use a shoutcast
   url in get the error below, which from the soruce code looks liek the
   mediaPlayer is looking for the duration in the header. Does anyone
   know if shoutcast urls will work withthe default media player? Or do i
   have to download chunks into a ping-pong buffer sor something? The url
   has no porblems downloading via the browser.

   the error is:-

   09-01 11:53:25.634 E/MediaPlayer(16972): stop called in state 1
   09-01 11:53:27.324 D/BatteryWidget(15623): Updating Views
   09-01 11:53:30.445 E/PlayerDriver(   35): Command PLAYER_INIT
   completed with an error or infoPVMFFailure
   09-01 11:53:30.445 E/MediaPlayer(16972): error (1, -1)
   09-01 11:53:30.504 I/NotificationService(   55): enqueueToast
   pkg=net.robmunro.mypod callback=android.app.ITransientNotification$Stub
   $pr...@4323b8f8 duration=1000
   09-01 11:53:30.514 W/System.err(16972): java.io.IOException: Prepare
   failed.: status=0x1
   09-01 11:53:30.644 W/System.err(16972): at
   android.media.MediaPlayer.prepare(Native Method)
   09-01 11:53:30.644 W/System.err(16972): at
   net.robmunro.mypod.util.MediaPlayerWrapper.playMedia
   (MediaPlayerWrapper.java:111)

   the code i use is:-
   try {
   mPlayer.stop();
   mPlayer.reset();} catch (Exception e) {

   e.printStackTrace();}

   this.source=source;
   if (source.equals(Globals.SOURCE_LOCAL)) {
mPlayer.setDataSource(f.path);
buffered = 0;} else if (source.equals(Globals.SOURCE_STREAM)) {

   mPlayer.setDataSource(f.remoteUrl);
buffered = 100;}

   mPlayer.prepare();
   mPlayer.start();

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[android-developers] Re: Have View and ListView Scroll as one

2009-10-23 Thread droid_does


It's surprising that the easiest way to accomplish this effect is
creating your own custom adapter.  It does what I want in concept but
is there any way to add complex layouts
(LinearLayoutwidgetsRelativeLayoutwidgets/RelativeLayout/
LinearLayout or predefined XML views?  For example using your demo:

private View buildButton() {

//your demo code
//Button result=new Button(this);
//result.setText(Hello, world!);

//this just crashes, why?
Button result = (Button)findViewById(R.id.mybutton);
return result;

}

Also, would your approach work for a ListActivity?


On Oct 22, 9:50 pm, Mark Murphy mmur...@commonsware.com wrote:
 droid_does wrote:
  What I have now is a layout that includes a list view at the bottom.
  All of the items in the layout above the list view remain fixed as you
  scroll through the list view.  I would like the entire page to scroll
  so for example when you reached the bottom of the list you would no
  longer see the items above the list view.

   What is the easiest way to accomplish this?

 Put everything in the ListView. I have a MergeAdapter targeting this
 very scenario:

 http://github.com/commonsguy/cwac-merge

 What you specifically *cannot* do is wrap the whole thing in a
 ScrollView. ScrollView and things that themselves scroll (e.g.,
 ListView) don't get along very well.

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

 Android Training in Germany, 18-22 January 2010:http://bignerdranch.com

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[android-developers] Re: 1.6: GPS location provider stop unexpectedly (exceeded MIN_FIX_COUNT), bouncing back and forth

2009-10-23 Thread Lance Nanek

The docs do mention:
If minTime is greater than 0, the LocationManager could potentially
rest for minTime milliseconds between location updates to conserve
power.
http://developer.android.com/intl/fr/reference/android/location/LocationManager.html#requestLocationUpdates%28java.lang.String,%20long,%20float,%20android.location.LocationListener%29

So isn't it just stopping occasionally to save power like the docs say
it can?

Looking at the code where it stops, it sets an alarm to start sending
updates again based on the requested time between updates. Doing a few
tests on my G1, the time it stays stopped does seem a little off. If I
request 30 seconds minimum time between updates then the time between
updates when it turns off is usually around 37 seconds. If I request 5
then I get around 7. If I request 2 then I get 3. Maybe the stopped
time should be tweaked down a few seconds. Could be I'm in a bad spot
for GPS or something, though, and it is taking longer to start back up
than it would otherwise.

The docs do mention:
the minimum time interval for notifications, in milliseconds. This
field is only used as a hint to conserve power, and actual time
between location updates may be greater or lesser than this value.

So I can't really complain about it being a few seconds off, though,
or about how the updates come much faster when the implementation
decides not to stop to save power in between sending them.

Is this behavior hurting an app you use/wrote in some way? It seems
within spec.

On Oct 22, 11:30 pm, JP joachim.pfeif...@gmail.com wrote:
Root cause identified. Pretty obvious bug in Android 1.6,
GpsLocationProvider.java. Source
here:http://android.git.kernel.org/?p=platform/frameworks/base.git;a=blob;...
I've reported the bug
here:http://code.google.com/p/android/issues/detail?id=4336

Symptoms: Described above.
To reproduce problem: Register a GPS location provider and set the min
time interval to greater than 1. A overrun as shown in the log trace
above occurs after a few second. GPS location provider then hibernates
(which resets the counter) just to overrun on the next cycle.

*** This affects everyone who relies on LocationListener callbacks to
onLocationChanged(), based on time intervals. ***

Code review: When the GPS location provider reports a location update,
the mFixCount counter is incremented, but never reset except when the
location provider is hibernated as a result of the counter overrun.
Look for mFixCount in the source file and it's pretty apparent.

On Oct 21, 10:08 pm, JP joachim.pfeif...@gmail.com wrote:

Looks like I've run into some breakage from 1.5 to 1.6 after all...
I am registering location listeners with
LocationManager.requestLocationUpdates()
With GPS as location provider, I run into a problem with navigation
stopping by itself after a few seconds, just to return, stop again, in
an endless cycle. I haven't seen this prior to 1.6 Donut and I have no
clue what might cause this problem.

Here's the Logcat output:

10-21 21:53:09.147: DEBUG/libgps(74): PDSM_PD_EVENT_GPS_BEGIN
10-21 21:53:11.177: DEBUG/GpsLocationProvider(74): exceeded
MIN_FIX_COUNT
10-21 21:53:11.177: DEBUG/GpsLocationProvider(74): stopNavigating
10-21 21:53:11.177: DEBUG/libgps(74): qct_gps_stop
10-21 21:53:11.187: DEBUG/libgps(74): PDSM_PD_EVENT_END
10-21 21:53:11.187: DEBUG/GpsLocationProvider(74): Releasing wakelock
10-21 21:53:13.097: DEBUG/dalvikvm(74): GC freed 2562 objects / 104912
bytes in 223ms
10-21 21:53:20.227: DEBUG/dalvikvm(74): GC freed 1345 objects / 51352
bytes in 236ms
10-21 21:53:21.180: DEBUG/GpsLocationProvider(74): ALARM_WAKEUP
10-21 21:53:21.187: DEBUG/GpsLocationProvider(74): startNavigating
10-21 21:53:21.187: DEBUG/libgps(74): qct_gps_set_position_mode = 1,
fix_frequency = 10
10-21 21:53:21.187: DEBUG/libgps(74): qct_gps_start
10-21 21:53:21.207: DEBUG/GpsLocationProvider(74): Acquiring wakelock
10-21 21:53:22.147: DEBUG/libgps(74): PDSM_PD_EVENT_GPS_BEGIN
10-21 21:53:24.167: DEBUG/GpsLocationProvider(74): TTFF: 2978
10-21 21:53:27.287: DEBUG/dalvikvm(74): GC freed 1417 objects / 52512
bytes in 232ms
10-21 21:53:34.397: DEBUG/GpsLocationProvider(74): exceeded
MIN_FIX_COUNT
10-21 21:53:34.397: DEBUG/GpsLocationProvider(74): stopNavigating
(and so forth)

A web research for these logs didn't turn up anything (which is
unusual in my experience), so this leads me to post the question here
wondering what the root of the problem might be... Thanks in advance!
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