@Override
   protected void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.activity_main);

       initView();
       //启动时绑定服务
       bindMyService();

   }

   private void bindMyService() {
       Intent intent=new Intent();
       
//    intent.setComponent(newComponentName("com.example.njh.aidltest"，

        "com.example.njh.aidltest.MyAidlService"));
       intent.setAction("com.example.njh.AIDL_SERVICE");
       bindService(intent, conn, Context.BIND_AUTO_CREATE);
       Log.e("TAG", "333");
   }