VideoView播放视频过程中视频停止播放的问题求解

Question

停止播放是否出现什么提示？如果有错误提示，将Logcat中的出错信息发上来。

Answer 1

                       package com.zhu.view;import java.io.File;import android.app.Activity;
import android.content.Intent;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnPreparedListener;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.KeyEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceHolder.Callback;
import android.view.SurfaceView;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Toast;import com.zhu.R;public class VideoPlay extends Activity implements Callback {
private String path;
private MediaPlayer mediaPlayer;
String pathload;
private SurfaceView surfaceView;
private boolean pause;
private String filenames; @Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
/* 隐藏状态栏 */
this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
/* 隐藏标题栏 */
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.video);
mediaPlayer = new MediaPlayer();
Bundle bundle = this.getIntent().getExtras();
filenames = bundle.getString("filenames");
pathload = bundle.getString("pathload");
surfaceView = (SurfaceView) this.findViewById(R.id.surfaceView);
surfaceView.getHolder().setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
surfaceView.getHolder().setFixedSize(320, 180);
surfaceView.getHolder().setKeepScreenOn(true);
surfaceView.getHolder().addCallback(this);
playOn();
}

public void mediaplay(View v) {
switch (v.getId()) {
case R.id.playbutton:
if (pause && mediaPlayer!=null)
{
mediaPlayer.start();
pause = false;
}
else{
String filename = filenames.toString();
File file = new File(Environment.getExternalStorageDirectory(),
filename);
if (file.exists()) {
path = file.getAbsolutePath();
play(0);
} else {
path = null;
Toast.makeText(this, R.string.filenoexsit, Toast.LENGTH_LONG).show();
}
}
break; case R.id.pausebutton:
if (mediaPlayer.isPlaying()) {
mediaPlayer.pause();
pause = true;
} else {
if (pause) {
mediaPlayer.start();
pause = false;
}
}
break; case R.id.resetbutton:
if (mediaPlayer.isPlaying()) {
mediaPlayer.seekTo(0);
} else {
if (path != null) {
play(0);
}
}
break;
case R.id.stopbutton:
if (mediaPlayer.isPlaying()) {
mediaPlayer.stop();
}
break;
}
}

private void play(int position) {
try {
mediaPlayer.reset();
mediaPlayer.setDataSource(path);
mediaPlayer.setDisplay(surfaceView.getHolder());
mediaPlayer.prepare();// 缓冲
mediaPlayer.setOnPreparedListener(new PrepareListener(position));
} catch (Exception e) {
e.printStackTrace();
}
}

private void playOn() {
try {
mediaPlayer.reset();
mediaPlayer.setDataSource(pathload);
mediaPlayer.setDisplay(surfaceView.getHolder());
mediaPlayer.prepare();// 缓冲
mediaPlayer.start();
} catch (Exception e) {
e.printStackTrace();
}
} private final class PrepareListener implements OnPreparedListener {
private int position; public PrepareListener(int position) {
this.position = position;
} public void onPrepared(MediaPlayer mp) {
mediaPlayer.start();
if (position > 0)
mediaPlayer.seekTo(position);
}
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
// TODO Auto-generated method stub

} @Override
public void surfaceChanged(SurfaceHolder holder, int format, int width,
int height) {
// TODO Auto-generated method stub

} @Override
public void surfaceDestroyed(SurfaceHolder holder) {
// TODO Auto-generated method stub

}
}

Answer 2

package com.android.loop;import java.io.IOException;import android.app.Activity;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnPreparedListener;
import android.os.Bundle;
import android.os.PowerManager;
import android.util.Log;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;public class PreviewActivityLoop extends Activity {
public static final String VIDEO_FOLDER_PATH =  PropagandaVedioSettings.path;
private PowerManager.WakeLock localWakeLock = null;
private SurfaceView surfaceView = null;
private SurfaceHolder holder  = null;
private MediaPlayer mPlayer  = null;
private String[] sourceList;
private int sourceIndex = -1;
FileList filelist = new FileList(); public void onCreate(Bundle paramBundle) {
super.onCreate(paramBundle);
requestWindowFeature(Window.FEATURE_NO_TITLE); //hide title
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN
, WindowManager.LayoutParams.FLAG_FULLSCREEN);
setRequestedOrientation(0);// change display orientation
localWakeLock = ((PowerManager) getSystemService(Context.POWER_SERVICE))
.newWakeLock(PowerManager.FULL_WAKE_LOCK, "DoNotDimScreen");
localWakeLock.acquire();//do not auto lock 

View view = getLayoutInflater().inflate(R.layout.surfaceview, null);
setContentView(view);

Bundle bundle = getIntent().getExtras();
sourceIndex = bundle.getInt("sourceIndex");
sourceList = bundle.getStringArray("sourceList");

mPlayer = new MediaPlayer();
surfaceView = (SurfaceView)findViewById(R.id.surfaceView);
surfaceView.setOnTouchListener(new View.OnTouchListener() {

@Override
public boolean onTouch(View v, MotionEvent event) {
finish();
return false;
}
});
holder = surfaceView.getHolder();
holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
holder.setKeepScreenOn(true);
holder.addCallback(new SurfaceListener());

mPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {

@Override
public void onCompletion(MediaPlayer mp) {
// TODO Auto-generated method stub
Intent intent = new Intent();
Bundle bundleloop = new Bundle();
bundleloop.putInt("sourceIndexloop", sourceIndex);
bundleloop.putStringArray("sourceListloop", sourceList);

intent.putExtras(bundleloop);
ComponentName cn = new ComponentName("com.android.loop","com.android.loop.PreviewActivity");
intent.setComponent(cn);
startActivity(intent);
finish();
}
});
}

@Override
protected void onDestroy() {
if(mPlayer.isPlaying()){
mPlayer.stop();
}
mPlayer.release();//release mPlayer

localWakeLock.release();//release localWakeLock
super.onDestroy();
}

@Override
protected void onPause() {
finish();
super.onPause();

}

private void play(String dataSource){
try{
mPlayer.reset();
mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
mPlayer.setDataSource(dataSource);
mPlayer.setDisplay(holder);
mPlayer.prepare();
mPlayer.start();
}catch(IOException e){
Log.e("Exception", e.toString());
}

// mPlayer.setOnPreparedListener(new OnPreparedListener() {
//
// @Override
// public void onPrepared(MediaPlayer mp) {
// mPlayer.start();
// }
// });
}

private class SurfaceListener implements SurfaceHolder.Callback{ @Override
public void surfaceChanged(SurfaceHolder holder, int format, int width,
int height) {
// TODO Auto-generated method stub
} @Override
public void surfaceCreated(SurfaceHolder holder) {
//play(filelist.getVideo(sourceIndex));
play(sourceList[sourceIndex]);
sourceIndex++;
sourceIndex = sourceIndex%sourceList.length;
} @Override
public void surfaceDestroyed(SurfaceHolder holder) {
}

}}

Answer 3

恩，谢谢各位，播放的问题算是解决了。但又遇到了两个新的问题：一，视频播放过程中一卡一顿的，搜了一下，说是模拟器的原因，真机上没这个问题，因为没用真机测试过，所以不知道；二，视频格式支持的问题，看了网上所说，Android默认支持的视频格式只有3gp、mp4（貌似mp4也不是全部支持的），如果我现在要播放avi的视频，是否有什么插件可以使用，还是要自己写解码实现？