Android Handler leak 分析及解决办法

public class MyActivity extends Activity {
    private MyHandler mHandler;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
 
        mHandler = new MyHandler(this);
    }
 
    @Override
    protected void onDestroy() {
        // Remove all Runnable and Message.
       mHandler.removeCallbacksAndMessages(null);
 
        super.onDestroy();
    }
 
    static class MyHandler extends Handler {
     private WeakReference<MyActivity> mOuter;

        public MyHandler(MyActivity activity) {
            mOuter = new WeakReference<MyActivity>(activity);
        }
 
        @Override
        public void handleMessage(Message msg) {
            MyActivity outer = mOuter.get();
            if (outer != null) {
                // Do something with outer as your wish.
            }
        }
    }
}