java – 恢复后应用程序没有响应

这是我的主要活动：

package com.amzoft.android.starraider;

import android.app.Activity;
import android.content.Context;
import android.graphics.Canvas;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.util.Log;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnKeyListener;
import android.view.View.OnTouchListener;
import android.view.Window;
import android.view.WindowManager;

public class StarRaiderMain extends Activity implements OnTouchListener,OnKeyListener,SensorEventListener{

FastRenderView renderView;
SensorManager sensorManager;
Sensor accelerometer;
Thread mainGameThread;

Player player;

public void onCreate(Bundle savedInstanceState) 
{
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);
    renderView = new FastRenderView(this);
    renderView.setOnKeyListener(this);
    renderView.setFocusableInTouchMode(true);
    renderView.requestFocus();
    setContentView(renderView);

    sensorManager = (SensorManager)getSystemService(Context.SENSOR_SERVICE);
    accelerometer = sensorManager.getSensorList(Sensor.TYPE_ACCELEROMETER).get(0);

    mainGameThread = new Thread(new mainGameThread());

    player = new Player(this);
}

@Override
protected void onResume()
{
    super.onResume();
    renderView.resume();
    renderView.requestFocus();
    sensorManager.registerListener(this,accelerometer,SensorManager.SENSOR_DELAY_GAME);
}

@Override
protected void onPause()
{
    super.onPause();
    renderView.pause();
    sensorManager.unregisterListener(this);
}

@Override
public void onAccuracyChanged(Sensor sensor,int accuracy) 
{

}

@Override
public void onSensorChanged(SensorEvent event) 
{
    player.onSensorChanged(event);
}

@Override
public boolean onKey(View v,int keyCode,KeyEvent event) 
{
    player.onKey(v,keyCode,event);
    return true;
}

@Override
public boolean onTouch(View v,MotionEvent event) 
{

    return true;
}

class FastRenderView extends SurfaceView implements Runnable
{
    Thread renderThread = null;
    SurfaceHolder holder;
    volatile boolean running = false;

    public FastRenderView(Context context)
    {
        super(context);
        holder = getHolder();
    }

    public void resume()
    {
        running = true;
        renderThread = new Thread(this);
        renderThread.start();
    }

    public void pause()
    {
        running = false;
        while(true)
        {
            try{
                renderThread.join();
            }catch(InterruptedException e){
                Log.d("StarRaider",e.getMessage());
            }
        }
    }

    @Override
    public void run()
    {
        while(running)
        {
            if(!holder.getSurface().isValid())
                continue;
            Canvas canvas = holder.lockCanvas();
            onDraw(canvas);
            holder.unlockCanvasAndPost(canvas);
        }
    }

    public void onDraw(Canvas canvas)
    {
        canvas.drawRGB(255,255,255);
        player.onDraw(canvas);
    }
}
class mainGameThread extends Thread
{
    mainGameThread()
    {
        super("mainGameThread");
        start();
    }
    public void run()
    {
        try{
            player.onUpdate();
        }catch(Exception e){

        }
        }
    }
}

任何帮助将不胜感激.

这是我的logcat输出：http://pastebin.com/3b09YAkP
我有一个主要的游戏线程,因为我读到如果渲染线程被卡住了2秒,它就会崩溃.