Activity onStop自动执行！

Activity onStop自动执行！！！！！！请教各位！！！
public class AvplayerActivity extends Activity {



static int  RENDER_ANDROID_OGL = 0;

AndroidVideoWindowImpl m_window;
Thread m_sThread;
boolean m_res = false;
static {
  System.loadLibrary("avplayer");
  }

@SuppressWarnings("static-access")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON, WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
setContentView(R.layout.activity_avplayer);

Log.v("java","onCreate");
GLSurfaceView view = (GLSurfaceView) findViewById(R.id.video_surface);
view.setZOrderOnTop(false);

m_window = new AndroidVideoWindowImpl(view,null);
m_window.init();

URLDecoder d = new URLDecoder();

Intent intent = getIntent();

String filename = intent.getDataString();
if(filename == null)
{

filename = "rtmp://121.93.185.123/g";
}
    
if(filename != null){

try {
filename = d.decode(filename, "utf-8");
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

AvplayerNative.AvplayInit();
AvplayerNative.AvplaySetWindowHandle(m_window);
m_res = AvplayerNative.AvplayOpen(filename, 5, RENDER_ANDROID_OGL);

if(m_res){

m_sThread = new Thread() {
public void run() {
AvplayerNative.AvpalyPlay(0,0);
};
};


/* start */
m_sThread.start();
}
else{
dialog("Vidoe Format Error");
}
}
}

@Override
protected void onStop(){
Log.v("java","onStop1");
super.onStop();
Log.v("java","onStop");

}

@Override
protected void onRestart(){
Log.v("java","onRestart1");
super.onRestart();
Log.v("java","onRestart");
}


@Override
protected void onDestroy(){
super.onDestroy();
Log.v("java","onDestroy1");
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_avplayer, menu);
return true;
}

 protected void dialog(String msg) { 
        AlertDialog.Builder builder = new Builder(this); 
        builder.setMessage(msg); 
        builder.setTitle("是否退出"); 
        builder.setPositiveButton("退出", 
                new android.content.DialogInterface.OnClickListener() { 
                    @Override 
                    public void onClick(DialogInterface dialog, int which) { 
                        dialog.dismiss(); 
                        AvplayerNative.AvplayClose();
                        Log.e("java","AvplayClose");
                        AvplayerActivity.this.finish(); 
                    }
                }); 
        builder.setNegativeButton("OK", 
                new android.content.DialogInterface.OnClickListener() { 
                    @Override 
                    public void onClick(DialogInterface dialog, int which) { 
                        dialog.dismiss(); 
                    } 
                });