Android Sensor Shake(WeChat)

<uses-permission android:name="android.permission.VIBRATE"/>

package com.buzz.shake;import android.app.Activity;import android.hardware.Sensor;import android.hardware.SensorEvent;import android.hardware.SensorEventListener;import android.hardware.SensorManager;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.os.Vibrator;import android.util.Log;import android.widget.Toast;/** * “摇一摇” * @author NickChung */public class SensorActivity extends Activity {private SensorManager sensorManager;private Vibrator vibrator;private static final String TAG = "SensorActivity";private static final int SENSOR_SHAKE = 10;/** Called when the activity is first created. */@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);}@Overrideprotected void onResume() {super.onResume();if (sensorManager != null) {// 注册监听器sensorManager.registerListener(sensorEventListener, sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER), SensorManager.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}}@Overrideprotected void onPause() {super.onPause();if (sensorManager != null) {// 取消监听器sensorManager.unregisterListener(sensorEventListener);}}/** * 重力感应监听 */private SensorEventListener sensorEventListener = new SensorEventListener() {@Overridepublic void onSensorChanged(SensorEvent event) {// 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Log.i(TAG, "x轴方向的重力加速度" + x +  "；y轴方向的重力加速度" + y +  "；z轴方向的重力加速度" + z);// 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。int mediumValue = 19;if (Math.abs(x) > mediumValue || Math.abs(y) > mediumValue || Math.abs(z) > mediumValue) {vibrator.vibrate(200);Message msg = new Message();msg.what = SENSOR_SHAKE;handler.sendMessage(msg);}}@Overridepublic void onAccuracyChanged(Sensor sensor, int accuracy) {}};/** * 动作执行 */Handler handler = new Handler() {@Overridepublic void handleMessage(Message msg) {super.handleMessage(msg);switch (msg.what) {case SENSOR_SHAKE:Toast.makeText(TestSensorActivity.this, "检测到摇晃，执行操作！", Toast.LENGTH_SHORT).show();Log.i(TAG, "检测到摇晃，执行操作！");break;}}};}

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