Restart App after crash programmatically - Android

问题

Is there a way for my to program my app to automatically restart itself whenever it crashes? My app is just a simple media rendering App, however it occasionally crashes ( it's supposed to ). Is this at all possible? Thanks. My code looks like this

public void Play(){  if(mp != null) {
             mp.reset();
             mp.release();
             mp = null;
         }
AudioRenderer mr = new AudioRenderer(); 
mp = mr.AudioRenderer(filePath);
}

private class AudioRenderer extends Activity {
private MediaPlayer AudioRenderer(String filePath) {    
File location = new File(filePath);
Uri path = Uri.fromFile(location);
mp= MediaPlayer.create(this, path);
}
return mp
}

回答1:

this will do the job for you.

How to start the automatically stopped android service?

still i don't understand why it is supposed to crash.

UPDATE

you create an handler for uncaught exception

    private Thread.UncaughtExceptionHandler onRuntimeError= new Thread.UncaughtExceptionHandler() {
        public void uncaughtException(Thread thread, Throwable ex) {
            //Try starting the Activity again
    };

in your on create, you register an handler for uncaught exception

    @Override
    protected void onCreate() { 
        super.onCreate();
        Thread.setDefaultUncaughtExceptionHandler(onRuntimeError);  
    }

回答2:

I might be late a lot, but I found 2 in 1 solution for your problem.

public void doRestart() {
    Intent mStartActivity = new Intent(context, LoginActivity.class);
    int mPendingIntentId = 123456;
    PendingIntent mPendingIntent = PendingIntent.getActivity(context, mPendingIntentId, mStartActivity, PendingIntent.FLAG_CANCEL_CURRENT);
    AlarmManager mgr = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
    mgr.set(AlarmManager.RTC, System.currentTimeMillis() + 100, mPendingIntent);
    System.exit(0);
}

private void appInitialization() {
    defaultUEH = Thread.getDefaultUncaughtExceptionHandler();
    Thread.setDefaultUncaughtExceptionHandler(_unCaughtExceptionHandler);
}

//make crash report on ex.stackreport
private Thread.UncaughtExceptionHandler defaultUEH;
// handler listener
private Thread.UncaughtExceptionHandler _unCaughtExceptionHandler = new Thread.UncaughtExceptionHandler() {
    @Override
    public void uncaughtException(Thread thread, Throwable ex) {
        ex.printStackTrace();
        doRestart();
    }
};



@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_index);
    appInitialization();

来源：https://stackoverflow.com/questions/7224954/restart-app-after-crash-programmatically-android

标签

android

sdk

crash