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android-相仿微信和米聊中摇一摇找好友的功能的实现

热度:39   发布时间:2016-05-01 14:52:38.0
android-类似微信和米聊中摇一摇找好友的功能的实现

要实现该功能,主要借助于重力感应

package yyy.testsensor;public class TestSensorActivity extends Activity implements SensorEventListener {    	private SensorManager manager;	private Vibrator vibrator;	private TextView xSensor,ySensor,zSensor;	private float X = 0.0f;	private float Y = 0.0f;	private float Z = 0.0f;	private Button button1,button2;	private TextView textView;	private Animation animation ,animation2 ;	private FrameLayout layout;	private ImageView imageView;	private String[] strs;		private Handler handler = new Handler(){		@Override		public void handleMessage(Message msg) {			// TODO Auto-generated method stub			super.handleMessage(msg);			switch (msg.what) {			case 0:				textView.setText((String)msg.obj);				imageView.startAnimation(animation);				textView.startAnimation(animation);				break;						}		}			};	private int i = 0;	/** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        manager = (SensorManager) getSystemService(SENSOR_SERVICE);  //首先得到传感器管理器对象        vibrator = (Vibrator) getSystemService(Service.VIBRATOR_SERVICE);                    }	@Override	protected void onResume() {		// TODO Auto-generated method stub		super.onResume(); //注册监听器		manager.registerListener(this, manager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER), manager.SENSOR_DELAY_NORMAL);                  //第一个参数是Listener,第二个参数是所得传感器类型,第三个参数值获取传感器信息的频率	}	@Override	protected void onStop() {		// TODO Auto-generated method stub		super.onStop();		manager.unregisterListener(this);//解绑定Listener	}	@Override	public void onAccuracyChanged(Sensor sensor, int accuracy) {		// TODO Auto-generated method stub	}	@Override	public void onSensorChanged(SensorEvent event) {		// TODO Auto-generated method stub		//传感器信息改变时执行该方法		float[] values = event.values;		float x = values[0]; //x轴方向的重力加速度,向右为正		float y = values[1]; // y轴方向的重力加速度,向前为正		float z = values[2]; // z轴方向的重力加速度,向上为正		if(x>40 || x<-40 || y>40 || y<-40 || z>40 || z<-40){			//一般在这三个方向的重力加速度达到40就达到了摇晃手机的状态。当然这个值可以根据需要,自己定义。			vibrator.vibrate(200);			int random = getRandom();			Message msg = new Message();			msg.what = 0;			msg.obj = strs[random];			handler.sendMessage(msg);		}		}}
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