I have a problem when using MediaPlayer
to play video from url.
The follow of program : create an activity to play video -> press Home button -> back to app.
The requirement is video play from start, when press Home button video continuos play(only audio), and when back to app, video must play continuous(combine movie and audio).
The first, I created a MediaPlayer
variable to play video. When Home button is pressed, MediaPlayer
play continuous. But when back to app, video cannot displayed(black screen). So, I created other MediaPlayer
variable to solved this issue. But when I using seekTo()
function to seek second MediaPlayer to position of first MediaPlayer
, this function is working incorrect.
import java.io.IOException;
import com.example.videotest.R;
import android.app.Activity;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnBufferingUpdateListener;
import android.media.MediaPlayer.OnCompletionListener;
import android.media.MediaPlayer.OnPreparedListener;
import android.media.MediaPlayer.OnSeekCompleteListener;
import android.media.MediaPlayer.OnVideoSizeChangedListener;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnTouchListener;
import android.view.Window;
import android.view.View.OnClickListener;
import android.view.ViewGroup.LayoutParams;
import android.widget.Button;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
import android.widget.Toast;
public class PlayVideoActivity extends Activity implements OnClickListener,SurfaceHolder.Callback, FGMediaController.MediaPlayerControl {
SurfaceView videoSurface,videoSurfaceFullscreen,videoSurfaceSmallsceen;
MediaPlayer player, backupPlayer;
FGMediaController controller;
LinearLayout llControllerBar;
public boolean isFullscreen = false;
int videoDuration;
int videoCurrent;
SurfaceHolder viewHolder = null;
boolean isPaused = false;
String videoUrl = "http://cdn-smatopi.tv-bank.com/movie/867/867-32/867-32-2015042306-D3/hls/hls3/867-32-2015042306-D3-HLS3.m3u8";
Button btnSeek, btnRelease;
int currentPos = 30000;
boolean videoPrepared = false;
boolean backupPrepared = false;
boolean mVideoSizeIsSet = false;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.playvideo);
btnSeek = (Button) findViewById(R.id.btnSeek);
btnRelease = (Button) findViewById(R.id.btnRelease);
videoSurface = (SurfaceView)findViewById(getResources().getIdentifier("vvVideo", "id", getPackageName()));
SurfaceHolder videoHolder = videoSurface.getHolder();
videoHolder.addCallback(this);
player = new MediaPlayer();
backupPlayer = new MediaPlayer();
controller = new FGMediaController(this);
try {
player.setAudioStreamType(AudioManager.STREAM_MUSIC);
player.setDataSource(this, Uri.parse(videoUrl));
player.prepareAsync();
//backupPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
//backupPlayer.setDataSource(this, Uri.parse(videoUrl));
//backupPlayer.prepareAsync();
} catch (Exception e) {
e.printStackTrace();
}
btnSeek.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Log.e("Huhu",currentPos + "");
backupPlayer.seekTo(currentPos);
}
});
btnRelease.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
backupPlayer.stop();
backupPlayer.release();
}
});
player.setOnBufferingUpdateListener(new OnBufferingUpdateListener() {
public void onBufferingUpdate(MediaPlayer mp, int percent) {
}
});
player.setOnPreparedListener(new OnPreparedListener() {
@Override
public void onPrepared(MediaPlayer mp) {
controller.setMediaPlayer(PlayVideoActivity.this);
controller.setAnchorView((FrameLayout) findViewById(PlayVideoActivity.this.getResources().getIdentifier("videoSurfaceContainer", "id", PlayVideoActivity.this.getPackageName())));
player.start();
}
});
}
@Override
public void onDestroy(){
//backupPlayer.release();
player.release();
super.onDestroy();
}
@Override
public void onResume(){
Log.e("Surface Created","OnResume");
super.onResume();
}
// Implement SurfaceHolder.Callback
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
Log.e("Surface Created","Surface Created! " + holder);
if(viewHolder != null){
viewHolder = holder;
backupPlayer = new MediaPlayer();
try {
backupPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
backupPlayer.setDataSource(this, Uri.parse(videoUrl));
backupPlayer.prepareAsync();
backupPlayer.setDisplay(holder);
backupPlayer.setOnPreparedListener(new OnPreparedListener() {
@Override
public void onPrepared(MediaPlayer mp) {
backupPrepared = true;
backupPlayer.start();
}
});
backupPlayer.setOnVideoSizeChangedListener(new OnVideoSizeChangedListener() {
@Override
public void onVideoSizeChanged(MediaPlayer mp, int width, int height) {
// TODO Auto-generated method stub
if (width == 0 || height == 0){
Toast.makeText(getApplicationContext(),"Width = 0 Height = 0"+ mp.getDuration(), Toast.LENGTH_LONG).show();
}else{
if(backupPrepared){
backupPrepared = false;
currentPos = player.getCurrentPosition();
player.reset();
Toast.makeText(getApplicationContext(),"Seek To "+ backupPlayer.getCurrentPosition() + " | " + backupPlayer.isPlaying() + "|" + currentPos, Toast.LENGTH_LONG).show();
Log.e("Huhu","Seek To "+ backupPlayer.getCurrentPosition() + " | " + backupPlayer.isPlaying() + "|" + currentPos);
backupPlayer.seekTo(currentPos); // If you set currentPos = 20000ms or 30000ms backupPlayer can to seek, but if you set currentPos = 10000ms backupPlayer cannot seek !
}
}
}
});
} catch (Exception e) {
e.printStackTrace();
}
}else{
player.setDisplay(holder);
}
}
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
Log.e("Surface Created","surfaceDestroyed! " + player.getCurrentPosition());
viewHolder = holder;
}
// End MediaPlayer.OnPreparedListener
// Implement VideoMediaController.MediaPlayerControl
@Override
public boolean canPause() {
return true;
}
@Override
public boolean canSeekBackward() {
return true;
}
@Override
public boolean canSeekForward() {
return true;
}
@Override
public int getBufferPercentage() {
return 0;
}
@Override
public int getCurrentPosition() {
//Log.printLog(Log.ERROR, "CURRENT :"+player.getCurrentPosition());
int current = 0;
try{
current = player.getCurrentPosition();
}catch(Exception e){
e.printStackTrace();
}
return current;
}
@Override
public int getDuration() {
int duration = 0;
try{
duration = player.getDuration();
}catch(Exception e){
e.printStackTrace();
}
return duration;
}
@Override
public boolean isPlaying() {
boolean isPlaying = false;
try{
isPlaying = player.isPlaying();
}catch(Exception e){
e.printStackTrace();
}
return isPlaying;
}
@Override
public void pause() {
player.pause();
}
@Override
public void seekTo(int i) {
player.seekTo(i);
}
@Override
public void start() {
player.start();
}
@Override
public boolean isFullScreen() {
return isFullscreen;
}
@Override
public void toggleFullScreen() {
// TODO Auto-generated method stub
}
@Override
public void doBackPressed() {
// TODO Auto-generated method stub
}
@Override
public void onClick(View v) {
}
}