Hi, A surprising problem occurs when I try to play Video, I can only
hear the sound part of the video. My code snippet is below:
public class VideoDemo extends Activity {
public static final int MENU_PLAYER=Menu.FIRST;
public static final int MENU_VIDEO=MENU_PLAYER+1;
private final static String VIDEOURL="/sdcard/10-58-26.3gp";
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
// playVideoByVideoView(VIDEOURL);
}
private void playVideoByVideoView(String fileURL){
// this.getWindow().setFormat(PixelFormat.TRANSLUCENT);
setContentView(R.layout.videoview);
VideoView videoView=(VideoView)findViewById(R.id.surface_view);
// videoView.setVisibility(SurfaceView.VISIBLE);
videoView.bringToFront();
videoView.setVideoPath(fileURL);
videoView.setMediaController(new MediaController(this));
videoView.requestFocus();
// videoView.start();
}
private void playVideoByMediaPlayer(String fileURL){
MediaPlayer mp = new MediaPlayer();
SurfaceView sv =new SurfaceView(this);
try {
mp.setDataSource(fileURL);
mp.setDisplay(sv.getHolder());
mp.prepare();
mp.start();
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
mp.release();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
mp.release();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
mp.release();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// TODO Auto-generated method stub
boolean ret= super.onCreateOptionsMenu(menu);
menu.add(0, MENU_PLAYER, 0, "MediaPlayer");
menu.add(0, MENU_VIDEO, 0, "VideoView");
return ret;
}
@Override
public boolean onMenuItemSelected(int featureId, MenuItem item) {
// TODO Auto-generated method stub
boolean ret= super.onMenuItemSelected(featureId, item);
switch(item.getItemId()){
case MENU_PLAYER:
playVideoByMediaPlayer(VIDEOURL);
break;
case MENU_VIDEO:
playVideoByVideoView(VIDEOURL);
break;
}
return ret;
}
}
But when I invoke playVideoByVideoView() method in onCreate() ,I can
see the video part. Can anybody tell me why this problem happen? How
can I solve this problem. Thanks Very Much!
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