我正在尝试运行存储在assets/pages/id(id may be rice or sugar or meat ect)/id.mp4. 在这个应用程序中，如果我触摸任何项目 ( rice or sugar or meat) 的视频，它将播放相应的 mp4 视频。但视频播放不正常。
试图找出但失败了。
下面是我的代码
package com.app.teachmesushi;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.content.res.AssetManager;
import android.graphics.PixelFormat;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnPreparedListener;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;
import android.util.Log;
import android.widget.MediaController;
import android.widget.VideoView;
import com.flurry.android.FlurryAgent;
public class VideoActivity extends Activity implements OnPreparedListener {
private VideoView video;
private MediaController ctlr;
private String id;
private File file;
private ProgressDialog pd = null;
private Integer msec = -1;
private int start = 1;
Messenger mService = null;
boolean mIsBound;
final Messenger mMessenger = new Messenger(new IncomingHandler());
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().setFormat(PixelFormat.TRANSLUCENT);
setContentView(R.layout.activity_video);
final String id = getIntent().getExtras().getString("id");
this.id = id;
if (savedInstanceState != null) {
msec = savedInstanceState.getInt("pos");
}
video = (VideoView) findViewById(R.id.video);
ctlr = new MediaController(this, false);
ctlr.setMediaPlayer(video);
video.setMediaController(ctlr);
video.setOnPreparedListener(this);
}
@Override
protected void onStart() {
super.onStart();
FlurryAgent.onStartSession(this, MainActivity.FLURRY_KEY);
Map<String, String> articleParams = new HashMap<String, String>();
articleParams.put("ID", id); // Capture user status
FlurryAgent.logEvent("Video", articleParams);
Log.e("sushi", "msec: " + msec);
Log.e("sushi", "start: " + start);
CheckIfServiceIsRunning();
String fileName = id + ".mp4";
file = new File(getExternalFilesDir(null), fileName);
if (file.exists()) {
video.setVideoPath(file.getPath());
} else {
// Show the ProgressDialog on this thread
pd = ProgressDialog.show(VideoActivity.this, "Launching video",
"Accessing...", true, false);
pd.dismiss();
// Start a new thread that will download all the data
new DownloadTask().execute(fileName);
}
if (msec != -1) {
video.seekTo(msec);
} else if (start == 1) {
start = 0;
video.start();
} else if (msec == video.getDuration()) {
video.seekTo(0);
}
}
@Override
public void onPause() {
super.onPause();
video.pause();
msec = video.getCurrentPosition();
pd.dismiss();
}
@Override
public void onStop() {
super.onStop();
video.pause();
msec = video.getCurrentPosition();
doUnbindService();
}
@Override
public void onDestroy() {
super.onDestroy();
video = null;
ctlr = null;
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putInt("pos", video.getCurrentPosition());
}
public void onPrepared(MediaPlayer mp) {
try {
video.requestFocus();
ctlr.show();
} catch (Exception e) {
}
}
class DownloadTask extends AsyncTask<String, Void, Object> {
protected Object doInBackground(String... args) {
AssetManager am = getAssets();
String fileName = args[0];
File file = new File(getExternalFilesDir(null), fileName);
Log.i("sushi", "Background thread starting");
String state = Environment.getExternalStorageState();
if (Environment.MEDIA_MOUNTED.equals(state)) {
try {
InputStream in = am.open("pages/" + id + "/" + id + ".mp4");
//InputStream in = am.open("http://176.9.35.93/tmc/videos/old/equipments.mp4");
FileOutputStream f = new FileOutputStream(file);
byte[] buffer = new byte[1024];
int len1 = 0;
while ((len1 = in.read(buffer)) > 0) {
f.write(buffer, 0, len1);
}
f.close();
in.close();
} catch (Exception e) {
Log.d("sushi", e.getMessage());
}
if (VideoActivity.this.pd != null) {
VideoActivity.this.pd.dismiss();
VideoActivity.this.pd = null;
}
}
return null;
}
protected void onPostExecute(Object result) {
Intent intent = new Intent(VideoActivity.this, VideoActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
Bundle b = new Bundle();
b.putString("id", id);
intent.putExtras(b);
startActivity(intent);
finish();
}
}
@Override
public void onBackPressed() {
try {
Log.d("sushi", "Deleting file");
file.delete();
} catch (Exception e) {
// TODO Auto-generated catch block
Log.e("sushi", "File delete failed");
}
finish();
}
private ServiceConnection mConnection = new ServiceConnection() {
public void onServiceConnected(ComponentName className, IBinder service) {
mService = new Messenger(service);
try {
Message msg = Message.obtain(null,
TimerService.MSG_REGISTER_CLIENT);
msg.replyTo = mMessenger;
mService.send(msg);
} catch (RemoteException e) {
// In this case the service has crashed before we could even do
// anything with it
}
}
public void onServiceDisconnected(ComponentName className) {
// This is called when the connection with the service has been
// unexpectedly disconnected - process crashed.
mService = null;
}
};
private void CheckIfServiceIsRunning() {
// If the service is running when the activity starts, we want to
// automatically bind to it.
if (TimerService.isRunning()) {
doBindService();
} else {
Log.e("sushi", "Service not running");
}
}
void doBindService() {
bindService(new Intent(this, TimerService.class), mConnection,
Context.BIND_AUTO_CREATE);
mIsBound = true;
Log.e("sushi", "Bound to service");
}
void doUnbindService() {
if (mIsBound) {
// If we have received the service, and hence registered with it,
// then now is the time to unregister.
if (mService != null) {
try {
Message msg = Message.obtain(null,
TimerService.MSG_UNREGISTER_CLIENT);
msg.replyTo = mMessenger;
mService.send(msg);
} catch (RemoteException e) {
// There is nothing special we need to do if the service has
// crashed.
}
}
// Detach our existing connection.
unbindService(mConnection);
mIsBound = false;
}
}
class IncomingHandler extends Handler {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case TimerService.MSG_SET_INT_VALUE:
Log.e("sushi", String.valueOf(msg.arg1));
if (msg.arg1 <= 1) {
video.pause();
}
break;
default:
super.handleMessage(msg);
}
}
}
}
我的 Logcat 错误是
04-25 21:15:57.371: E/sushi(273): msec: -1
04-25 21:15:57.371: E/sushi(273): start: 1
04-25 21:15:57.381: E/sushi(273): Service not running
04-25 21:15:58.121: E/sushi(273): msec: -1
04-25 21:15:58.121: E/sushi(273): start: 1
04-25 21:15:58.121: E/sushi(273): Service not running
请帮忙