import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.util.Log;
import android.widget.Toast;public class MainActivity extends Activity {private SensorManager sensorManager;private SensorEventListener shakeListener;private AlertDialog.Builder dialogBuilder;private boolean isRefresh = false;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);sensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);shakeListener = new ShakeSensorListener();dialogBuilder = new AlertDialog.Builder(this);dialogBuilder.setPositiveButton("确定", new OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {isRefresh = false;dialog.cancel();}}).setMessage("摇到了一个漂亮妹子！").create();}@Overrideprotected void onResume() {sensorManager.registerListener(shakeListener,sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER),SensorManager.SENSOR_DELAY_FASTEST);super.onResume();}@Overrideprotected void onPause() {// acitivity后台时取消监听sensorManager.unregisterListener(shakeListener);super.onPause();}private class ShakeSensorListener implements SensorEventListener {private static final int ACCELERATE_VALUE = 20;@Overridepublic void onSensorChanged(SensorEvent event) {//			Log.e("zhengyi.wzy", "type is :" + event.sensor.getType());// 判断是否处于刷新状态(例如微信中的查找附近人)if (isRefresh) {return;}float[] values = event.values;/*** 一般在这三个方向的重力加速度达到20就达到了摇晃手机的状态 x : x轴方向的重力加速度，向右为正 y :* y轴方向的重力加速度，向前为正 z : z轴方向的重力加速度，向上为正*/float x = Math.abs(values[0]);float y = Math.abs(values[1]);float z = Math.abs(values[2]);Log.e("zhengyi.wzy", "x is :" + x + " y is :" + y + " z is :" + z);if (x >= ACCELERATE_VALUE || y >= ACCELERATE_VALUE|| z >= ACCELERATE_VALUE) {Toast.makeText(MainActivity.this,"accelerate speed :"+ (x >= ACCELERATE_VALUE ? x: y >= ACCELERATE_VALUE ? y : z),Toast.LENGTH_SHORT).show();VibratorHelper.Vibrate(MainActivity.this, 300);isRefresh = true;dialogBuilder.show();}}@Overridepublic void onAccuracyChanged(Sensor sensor, int accuracy) {// TODO Auto-generated method stub}}}