[android-beginners] Problem in renaming file in Sdcard

[brijesh masrani]

Hello Everyone,

I want to rename a file in sdcard using program, i am not able to do that
using

String[] prog ={"mv HArdcore.chm h_ardcore.chm"};

Process p = Runtime.getRuntime().exec(prog);

so if anyone knows how to do that than please reply.


Regards,
Brijesh Masrani

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[android-beginners] ubuntu 10.04 emulator not launching

[riazrahaman]

Hi,

Was not able to launch the emulator on Ubuntu 10.04. Getting the below error
in eclipse. Is there a work around or a fix for this?

[2010-05-02 23:35:34 - HelloWorld] Automatic Target Mode: Unable to detect
device compatibility. Please select a target device.
[2010-05-02 23:35:39 - HelloWorld] Launching a new emulator with Virtual
Device 'android15'
[2010-05-02 23:35:42 - HelloWorld] New emulator found: emulator-5554
[2010-05-02 23:35:42 - HelloWorld] Waiting for HOME
('android.process.acore') to be launched...
[2010-05-02 23:35:43 - Emulator] XIO:  fatal IO error 11 (Resource
temporarily unavailable) on X server ":0.0"
[2010-05-02 23:35:43 - Emulator]   after 7 requests (6 known processed)
with 0 events remaining.
[2010-05-02 23:35:43 - HelloWorld] emulator-5554 disconnected! Cancelling
'com.paad.chapter2.HelloWorld activity launch'!

Is this a known issue with the 10.04 Lucid lynx ubuntu?


Regards,
Riaz Ur Rahaman

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[android-beginners] scaling ImageView

[manigault]

Hi all, i have ImageView which is taking rectangular layout width =
40dp height = 30dp and images that i'am displaying are 40x40 and they
are scaled to rectangle. How can i tell the ImageView not to scale the
image but to cut the image parts that not fit in the size. I want the
image to stay 40dp height and to cut 5 dp from top and botton.

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[android-beginners] how to lunch a activity from prefrence

[Mohammad Siddiqui]

Hi   everyone,

I want to lunch a actvitity when click on  a prefrence(inflated form
the xml ).
how we can do it


Thanks

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[android-beginners] Re: scaling ImageView

[Martin Obreshkov]

If set Scale type = CENTER_CROP nothing happens the image is still resized
to match ImageView bounds

On Mon, May 3, 2010 at 11:04 AM, manigault  wrote:

> Hi all, i have ImageView which is taking rectangular layout width =
> 40dp height = 30dp and images that i'am displaying are 40x40 and they
> are scaled to rectangle. How can i tell the ImageView not to scale the
> image but to cut the image parts that not fit in the size. I want the
> image to stay 40dp height and to cut 5 dp from top and botton.




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[android-beginners] biometrics api

[knight writer]

i have an idea for a biometric app for android, however i'm not sure
the touch api can be used in this way. can u use the touch api to read
in and authenticate a fingerprint, or is there a biometrics api in the
works for developers interested in creating mobile biometric apps? any
help or information would be appreciated.

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Re: [android-beginners] biometrics api

[Kaustubh Padegaonkar]

I dont think that a "touch" can be used to read a fingerprint. neither
can the secondary camera, on some devices(too dark to read). At most
you can perform a iris/facial/voice scan.

Kaustubh Padegaonkar,
thetuxra...@gmail.com



On Mon, May 3, 2010 at 7:16 PM, knight writer  wrote:
> i have an idea for a biometric app for android, however i'm not sure
> the touch api can be used in this way. can u use the touch api to read
> in and authenticate a fingerprint, or is there a biometrics api in the
> works for developers interested in creating mobile biometric apps? any
> help or information would be appreciated.
>
> --
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Re: [android-beginners] ubuntu 10.04 emulator not launching

[Kaustubh Padegaonkar]

No, it does not seem to be an issue with LL. I have installed Lucid,
and the AVD seems to be working fine. Try deleting that AVD, and make
a new one. Maybe play around with the port numbers in Window >
Preferences > Android

If it helps, I used the home directory and files from 9.10, and just
re-installed /.

Kaustubh Padegaonkar,
thetuxra...@gmail.com



On Mon, May 3, 2010 at 1:00 PM, riazrahaman  wrote:
> Hi,
> Was not able to launch the emulator on Ubuntu 10.04. Getting the below error
> in eclipse. Is there a work around or a fix for this?
> [2010-05-02 23:35:34 - HelloWorld] Automatic Target Mode: Unable to detect
> device compatibility. Please select a target device.
> [2010-05-02 23:35:39 - HelloWorld] Launching a new emulator with Virtual
> Device 'android15'
> [2010-05-02 23:35:42 - HelloWorld] New emulator found: emulator-5554
> [2010-05-02 23:35:42 - HelloWorld] Waiting for HOME
> ('android.process.acore') to be launched...
> [2010-05-02 23:35:43 - Emulator] XIO:  fatal IO error 11 (Resource
> temporarily unavailable) on X server ":0.0"
> [2010-05-02 23:35:43 - Emulator]   after 7 requests (6 known processed)
> with 0 events remaining.
> [2010-05-02 23:35:43 - HelloWorld] emulator-5554 disconnected! Cancelling
> 'com.paad.chapter2.HelloWorld activity launch'!
>
> Is this a known issue with the 10.04 Lucid lynx ubuntu?
>
> Regards,
> Riaz Ur Rahaman
>
> --
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Re: [android-beginners] Problem in renaming file in Sdcard

[TreKing]

On Mon, May 3, 2010 at 2:23 AM, brijesh masrani
wrote:

> String[] prog ={"mv HArdcore.chm h_ardcore.chm"};
>
> Process p = Runtime.getRuntime().exec(prog);


What does this have to do with renaming a file?
You should be able to use standard Java I/O to rename a file.

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

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Re: [android-beginners] ubuntu 10.04 emulator not launching

[Alan Cassar]

I am using Kubuntu 10.04 and my emulator is working fine too.

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On 05/03/2010 04:37 PM, Kaustubh Padegaonkar wrote:

No, it does not seem to be an issue with LL. I have installed Lucid,
and the AVD seems to be working fine. Try deleting that AVD, and make
a new one. Maybe play around with the port numbers in Window>
Preferences>  Android

If it helps, I used the home directory and files from 9.10, and just
re-installed /.

Kaustubh Padegaonkar,
thetuxra...@gmail.com



On Mon, May 3, 2010 at 1:00 PM, riazrahaman  wrote:
   

Hi,
Was not able to launch the emulator on Ubuntu 10.04. Getting the below error
in eclipse. Is there a work around or a fix for this?
[2010-05-02 23:35:34 - HelloWorld] Automatic Target Mode: Unable to detect
device compatibility. Please select a target device.
[2010-05-02 23:35:39 - HelloWorld] Launching a new emulator with Virtual
Device 'android15'
[2010-05-02 23:35:42 - HelloWorld] New emulator found: emulator-5554
[2010-05-02 23:35:42 - HelloWorld] Waiting for HOME
('android.process.acore') to be launched...
[2010-05-02 23:35:43 - Emulator] XIO:  fatal IO error 11 (Resource
temporarily unavailable) on X server ":0.0"
[2010-05-02 23:35:43 - Emulator]   after 7 requests (6 known processed)
with 0 events remaining.
[2010-05-02 23:35:43 - HelloWorld] emulator-5554 disconnected! Cancelling
'com.paad.chapter2.HelloWorld activity launch'!

Is this a known issue with the 10.04 Lucid lynx ubuntu?

Regards,
Riaz Ur Rahaman

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[android-beginners] Re: Development and debugging tools

[Sandy]

Can someone help with this?

On Apr 29, 2:42 pm, Sandy  wrote:
> I'm trying to figure out a way to do the following in android,
> appreciate any help on this.
>
> 1. How to generate a Full Java stack trace (basically thread stack) in
> Android. In J2SE, we use something like this -  send a signal to the
> JVM; the JVM generates a stack trace for you; or we can also 
> usedebuggingtools or Java API calls like Thread.dumpStack. What are the
> android equivalents to get the same output?
> .
> 2. How to generate a java heap dump? And are there any tools to
> analyze the heap dumps ?
>
> 3. Does thread and heap dump be generated if the Application crashes
> due to a segment violation ? Where does the core files be generated?
>
> 4. Are there any profiling APIs in android APIs that will allow to
> measure the UI performance and responsiveness (basically times taken
> to launch an activity/application and also times taken to scroll a
> list)?
>
> 5. Is there a tool similar to hprof that is available in J2SE for CPU
> usage, heap allocation statistics etc?
>
> 6. Tool on GC activities..
>
> Thanks in advance,
> Sandy
>
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[android-beginners] Re: biometrics api

[knight writer]

ok, thanx! if i wanted to perform an iris scan, would i need any
additional api's or can i just use whats readily available?

On May 3, 10:24 am, Kaustubh Padegaonkar 
wrote:
> I dont think that a "touch" can be used to read a fingerprint. neither
> can the secondary camera, on some devices(too dark to read). At most
> you can perform a iris/facial/voice scan.
>
> Kaustubh Padegaonkar,
> thetuxra...@gmail.com
>
>
>
>
>
> On Mon, May 3, 2010 at 7:16 PM, knight writer  
> wrote:
> > i have an idea for a biometric app for android, however i'm not sure
> > the touch api can be used in this way. can u use the touch api to read
> > in and authenticate a fingerprint, or is there a biometrics api in the
> > works for developers interested in creating mobile biometric apps? any
> > help or information would be appreciated.
>
> > --
> > You received this message because you are subscribed to the Google
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[android-beginners] Re: save image into sdcard not working

[niko20]

Hi,

Starting with 1.6 you need to add the WRITE_EXTERNAL_STORAGE
permission to your android manifest, otherwise your app wont get
access to the sdcard. Google it or search in the dev docs for that
permission to see about it.

-niko

On Apr 29, 9:23 pm, Lynn Ooi  wrote:
> Hi all,
>
> I'm new in android and  i had a problem saving the images into the
> sdcard. The code i had works find in my apps when i build it on
> android 1.5. Once i chance to android 2.0, it was not working. The
> both code is similar. However, in android 2.0, it says that the
> filenotfoundException: sdcard. Can anyone please help me here?
>
> Here is part of the code:
>
> void downloadFile(String fileUrl) {
>                 URL myFileUrl = null;
>                 String filepath =
> Environment.getExternalStorageDirectory().getAbsolutePath();
>                 File wallpaperDirectory = new
> File(Environment.getExternalStorageDirectory().getAbsolutePath());
>                 wallpaperDirectory.mkdirs();
>                 File outputFile = new File(wallpaperDirectory, filename);
>
>                 try {
>                         myFileUrl = new URL(fileUrl);
>                 } catch (MalformedURLException e) {
>                         // TODO Auto-generated catch block
>                         e.printStackTrace();
>                 }
>                 try {
>                         HttpURLConnection conn = (HttpURLConnection) myFileUrl
>                                         .openConnection();
>                         conn.setDoInput(true);
>                         conn.connect();
>
>                         InputStream is = conn.getInputStream();
>
>                         bmImg = BitmapFactory.decodeStream(is);
>
>                         FileOutputStream fos = new 
> FileOutputStream(outputFile);
>                         bmImg.compress(CompressFormat.JPEG, 75, fos);
>                         fos.flush();
>                         fos.close();
>                 } catch (IOException e) {
>                         // TODO Auto-generated catch block
>                         error_msg = e.toString();
>                         e.printStackTrace();
>                 }
>                 try {
>                         Context context = 
> WallpapersFile.this.getBaseContext();
>                         new MediaScannerNotifier2(context, filepath + "/" + 
> this.filename,
>                                         "image/jpeg");
>
>                         // displaying download completion message
>                         AlertDialog.Builder builder = new 
> AlertDialog.Builder(this);
>                         builder.setMessage("Wallpaper 
> Downloaded").setCancelable(false)
>                                         .setPositiveButton("ok",
>                                                         new 
> DialogInterface.OnClickListener() {
>                                                                 public void 
> onClick(DialogInterface dialog,
>                                                                               
>   int id) {
>                                                                         
> dialog.cancel();
>                                                                 }
>                                                         });
>                         AlertDialog alert = builder.create();
>                         alert.show();
>                 } catch (Exception e) {
>                         Log.e("MyLog", e.toString());
>                         has_error = true;
>                 }
>         }
>
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[android-beginners] Re: [android-developers] ubuntu 10.04 emulator not launching

[Greg Donald]

On Mon, May 3, 2010 at 2:30 AM, riazrahaman  wrote:
> Was not able to launch the emulator on Ubuntu 10.04.
>
> Is this a known issue with the 10.04 Lucid lynx ubuntu?

Works fine for me.  Just tested, all mine work.


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[android-beginners] Whats the current View?

[ScCrow]

Im sure a dumb question, but how do I get the current view?

I have implemented an expandedList from a sample, but it does not use
an .xml file to define the view. It works, but now Im trying to add a
context menu for a long press.  I need to pass the current view into
the registerForContextMenu(view)   method.

Some of the code ...

public class HomePage  extends ExpandableListActivity {
private ExpandableListAdapter mAdapter;
...  load some data to arrays 
mAdapter = new SimpleExpandableListAdapter( 

setListAdapter(mAdapter);
.

Since there was no xml,  there was no  R.layout.x.

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[android-beginners] Re: Development and debugging tools

[fadden]

On May 3, 9:42 am, Sandy  wrote:
> Can someone help with this?

The original message was sent to multiple mailing lists.  Replies from
different people can be found on 3 or 4 of them.

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[android-beginners] Re: save image into sdcard not working

[Lynn Ooi]

Thanks a lot. I got it working now.

On May 3, 10:41 am, niko20  wrote:
> Hi,
>
> Starting with 1.6 you need to add the WRITE_EXTERNAL_STORAGE
> permission to your android manifest, otherwise your app wont get
> access to the sdcard. Google it or search in the dev docs for that
> permission to see about it.
>
> -niko
>
> On Apr 29, 9:23 pm, Lynn Ooi  wrote:
>
>
>
> > Hi all,
>
> > I'm new in android and  i had a problem saving the images into the
> > sdcard. The code i had works find in my apps when i build it on
> > android 1.5. Once i chance to android 2.0, it was not working. The
> > both code is similar. However, in android 2.0, it says that the
> > filenotfoundException: sdcard. Can anyone please help me here?
>
> > Here is part of the code:
>
> > void downloadFile(String fileUrl) {
> >                 URL myFileUrl = null;
> >                 String filepath =
> > Environment.getExternalStorageDirectory().getAbsolutePath();
> >                 File wallpaperDirectory = new
> > File(Environment.getExternalStorageDirectory().getAbsolutePath());
> >                 wallpaperDirectory.mkdirs();
> >                 File outputFile = new File(wallpaperDirectory, filename);
>
> >                 try {
> >                         myFileUrl = new URL(fileUrl);
> >                 } catch (MalformedURLException e) {
> >                         // TODO Auto-generated catch block
> >                         e.printStackTrace();
> >                 }
> >                 try {
> >                         HttpURLConnection conn = (HttpURLConnection) 
> > myFileUrl
> >                                         .openConnection();
> >                         conn.setDoInput(true);
> >                         conn.connect();
>
> >                         InputStream is = conn.getInputStream();
>
> >                         bmImg = BitmapFactory.decodeStream(is);
>
> >                         FileOutputStream fos = new 
> > FileOutputStream(outputFile);
> >                         bmImg.compress(CompressFormat.JPEG, 75, fos);
> >                         fos.flush();
> >                         fos.close();
> >                 } catch (IOException e) {
> >                         // TODO Auto-generated catch block
> >                         error_msg = e.toString();
> >                         e.printStackTrace();
> >                 }
> >                 try {
> >                         Context context = 
> > WallpapersFile.this.getBaseContext();
> >                         new MediaScannerNotifier2(context, filepath + "/" + 
> > this.filename,
> >                                         "image/jpeg");
>
> >                         // displaying download completion message
> >                         AlertDialog.Builder builder = new 
> > AlertDialog.Builder(this);
> >                         builder.setMessage("Wallpaper 
> > Downloaded").setCancelable(false)
> >                                         .setPositiveButton("ok",
> >                                                         new 
> > DialogInterface.OnClickListener() {
> >                                                                 public void 
> > onClick(DialogInterface dialog,
> >                                                                             
> >     int id) {
> >                                                                         
> > dialog.cancel();
> >                                                                 }
> >                                                         });
> >                         AlertDialog alert = builder.create();
> >                         alert.show();
> >                 } catch (Exception e) {
> >                         Log.e("MyLog", e.toString());
> >                         has_error = true;
> >                 }
> >         }
>
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Re: [android-beginners] Re: [android-developers] ubuntu 10.04 emulator not launching

[Kaustubh Padegaonkar]

Guys,
he is asking help because his emulator isnt working. :) All we have
replied is that its working one mine! Any suggestions?

Kaustubh Padegaonkar,
thetuxra...@gmail.com



On Tue, May 4, 2010 at 12:55 AM, Greg Donald  wrote:
> On Mon, May 3, 2010 at 2:30 AM, riazrahaman  wrote:
>> Was not able to launch the emulator on Ubuntu 10.04.
>>
>> Is this a known issue with the 10.04 Lucid lynx ubuntu?
>
> Works fine for me.  Just tested, all mine work.
>
>
> --
> Greg Donald
> destiney.com | gregdonald.com
>
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Re: [android-beginners] Re: biometrics api

[Kaustubh Padegaonkar]

I gues you will have to make your own. I havent heard of anything like that.

Kaustubh Padegaonkar,
thetuxra...@gmail.com



On Mon, May 3, 2010 at 10:50 PM, knight writer
 wrote:
> ok, thanx! if i wanted to perform an iris scan, would i need any
> additional api's or can i just use whats readily available?
>
> On May 3, 10:24 am, Kaustubh Padegaonkar 
> wrote:
>> I dont think that a "touch" can be used to read a fingerprint. neither
>> can the secondary camera, on some devices(too dark to read). At most
>> you can perform a iris/facial/voice scan.
>>
>> Kaustubh Padegaonkar,
>> thetuxra...@gmail.com
>>
>>
>>
>>
>>
>> On Mon, May 3, 2010 at 7:16 PM, knight writer  
>> wrote:
>> > i have an idea for a biometric app for android, however i'm not sure
>> > the touch api can be used in this way. can u use the touch api to read
>> > in and authenticate a fingerprint, or is there a biometrics api in the
>> > works for developers interested in creating mobile biometric apps? any
>> > help or information would be appreciated.
>>
>> > --
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>>
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>> >http://groups.google.com/group/android-beginners?hl=en
>>
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>
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[android-beginners] Titkle bar display

[Revathi K J Ramanan]

Hi,

Is it possible to disable title bar display dynamically after setting
the content view by setting the NoTitlebar theme?

All the posts I have read told that any title bar changes we can make
only before setContentView() call..

Thanks in advance,
Revathi

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[android-beginners] tablerow mixed with columns and multiline text

[Yang]

 The complete problem can be found here:
http://stackoverflow.com/questions/2759877/android-tablerow-mixed-with-columns-and-multiline-text

I am trying to have a tablelayout contains several tablerows. One of the
rows contains 4 buttons, while the second row contains a very long text.
However, the width of the button stretches with the text in the second row.
Is there anyway to prevent this?

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