Problem playing audio on android

by Alex Coventry » Mon, 22 Feb 2010 15:03:30 GMT


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 The following code crashes when I try to play it on my droid. The
error message given in the log is "Command PLAYER_INIT completed with
an error or info PVMFErrNoResources."  Then an IOExecption is raised.
There is a file "res/raw/bell.mp3" in my project directory, which I
assume corresponds to R.raw.bell in the code below. I am building with
"ant debug". In case it's relevant, when I created the project
directory with "android create", I set the target number to 4,
corresponding in my system to "android 2.0."

What am I doing wrong, here?

import java.io.IOException;
import android.app.Activity;
import android.os.Bundle;
import android.media.MediaPlayer;
import android.util.Log;

public class testapp extends Activity
{
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
 try {
     MediaPlayer mp = MediaPlayer.create(this, R.raw.bell);
     mp.prepare();
     mp.start();
 } catch (IOException e) {
     Log.v(getString(R.string.app_name), e.getMessage());
 }
    }

}

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Problem playing audio on android

by OldSkoolMark » Mon, 22 Feb 2010 22:34:06 GMT


 Try putting the start() call in onResume().




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Problem playing audio on android

by Alex Coventry » Tue, 23 Feb 2010 23:25:02 GMT


 OldSkoolMark <mark <at> sublimeslime.com> writes:

Thanks for the suggestion.  Turned out the mp3 file I was testing with is
unplayable on android.  Transcoding with ogg and replacing fixed the problem. 
On the other hand, no other android apps were able to play the file.  The file
was generated from a WAV using LAME, and is playable with mplayer.)



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