title: Java file not found exception - /proc/mtprof/status: open failed:
body: <p>Can anyone explain why this error occurs ? </p>
  
  <p>I play one audio file from asset folder using media player and show some images in imageview from drawable folder.Project is build in android 4.0.3 api.</p>
  
  <p>This works perfect before add admobsdk to project . now i am not able to see images in imageview . Can anyone give me solution for this ?</p>
  
  <pre><code>java.io.FileNotFoundException: /proc/mtprof/status: open failed: ENOENT (No such file or directory)
  E/ActivityManager(  231):       at libcore.io.IoBridge.open(IoBridge.java:448)
  E/ActivityManager(  231):       at java.io.FileInputStream.&lt;init&gt;(FileInputStream.java:78)
  E/ActivityManager(  231):       at java.io.FileInputStream.&lt;init&gt;(FileInputStream.java:105)
  E/ActivityManager(  231):       at com.android.server.am.ActivityRecord.mtProf(ActivityRecord.java:852)
  E/ActivityManager(  231):       at com.android.server.am.ActivityRecord.windowsDrawn(ActivityRecord.java:653)
  E/ActivityManager(  231):       at com.android.server.am.ActivityRecord$Token.windowsDrawn(ActivityRecord.java:225)
  E/ActivityManager(  231):       at com.android.server.wm.WindowManagerService$H.handleMessage(WindowManagerService.java:6994)
  E/ActivityManager(  231):       at android.os.Handler.dispatchMessage(Handler.java:99)
  E/ActivityManager(  231):       at android.os.Looper.loop(Looper.java:154)
  E/ActivityManager(  231):       at com.android.server.wm.WindowManagerService$WMThread.run(WindowManagerService.java:754)
  E/ActivityManager(  231): Caused by: libcore.io.ErrnoException: open failed: ENOENT (No such file or directory)
  E/ActivityManager(  231):       at libcore.io.Posix.open(Native Method)
  E/ActivityManager(  231):       at libcore.io.BlockGuardOs.open(BlockGuardOs.java:110)
  E/ActivityManager(  231):       at libcore.io.IoBridge.open(IoBridge.java:432)
  </code></pre>
  
  <p><strong>Code</strong></p>
  
  <pre><code>AssetFileDescriptor descriptor;
  mediaPlayer = new MediaPlayer();
  mediaPlayer.setOnCompletionListener(this);
  descriptor = getAssets().openFd("test.mp3" );
  mediaPlayer.setDataSource(descriptor.getFileDescriptor(), descriptor.getStartOffset(), descriptor.getLength() );
  descriptor.close();
  mediaPlayer.prepare();
  mediaPlayer.start();
  buttonPlay.setBackgroundDrawable(getResources().getDrawable(R.drawable.pause_button));
  buttonPlay.setTag(getResources().getString(R.string.pause));
  </code></pre>