service简括2

service简括二

  bindService()

 

public class BindActivity extends Activity {
	private Button btnStartBindService;
	private Button btnStopBindService;  
	private boolean isConnected=false; //service是否创建
	@Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.bind);
        btnStartBindService=(Button)findViewById(R.id.btnStartBindService);
        btnStopBindService=(Button)findViewById(R.id.btnStopBindService);
        btnStartBindService.setOnClickListener(listener);
        btnStopBindService.setOnClickListener(listener);   
    }
	private OnClickListener listener=new OnClickListener() {
		
		@Override
		public void onClick(View v) {
			switch(v.getId()){
			  case R.id.btnStartBindService:
				 bind();
				  break;
			  case R.id.btnStopBindService:
				   unBind();
				  break;
			  default:				  
				  break;
			 
			}
		}
	};
	private void unBind() {
		if(isConnected){
			unbindService(connection);
		}
	}

	private void bind() {
		Intent intent=new Intent(BindActivity.this,BinderServices.class);
		bindService(intent, connection, Context.BIND_AUTO_CREATE);
					
	}
	private ServiceConnection connection=new ServiceConnection() {
		
		@Override
		public void onServiceDisconnected(ComponentName name) {
			// TODO Auto-generated method stub
			isConnected=false;		
		}
		
		@Override
		public void onServiceConnected(ComponentName name, IBinder binder) {
			MyBinder myBinder=(MyBinder)binder;//返回MyBinder类，要强制转换

			BinderServices services=myBinder.getServices();
			services.myMethod();
			isConnected=true;			
		}
	};

}

 

 

public class BinderServices extends Service {
	private static final String TAG = "BinderServices";
	private MyBinder binder=new MyBinder();
	public class MyBinder extends Binder{
		public BinderServices getServices(){
			return BinderServices.this;
		}
	}
	
	@Override
	public IBinder onBind(Intent intent) {
		// TODO Auto-generated method stub
		return binder;
	}
	
	public void myMethod() {
		Log.i(TAG,"MyMethod()");
	}
}