android “摇一摇”动态更换皮肤 实例源码下载
package com.shf.backgroundchange;
import android.app.Activity;
import android.app.Service;
import android.content.Context;
import android.content.res.Resources;
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.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
public class TestActivity extends Activity {
// 定义sensor管理器
private SensorManager mSensorManager;
// 震动
Vibrator vibrator;
// 震动监听器
private sensorListener sensor;
public static int flag = 0;
private static LinearLayout L = null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
L = (LinearLayout)findViewById(R.id.L);
Resources r = getResources();
L.setBackgroundDrawable(r.getDrawable(R.drawable.bg01));
// 获取传感器管理服务
mSensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
// 震动
vibrator = (Vibrator) getSystemService(Service.VIBRATOR_SERVICE);
// 监听器
sensor = new sensorListener();
// 加速度传感器
mSensorManager.registerListener(sensor,
mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER),
// 还有SENSOR_DELAY_UI、SENSOR_DELAY_FASTEST、SENSOR_DELAY_GAME等,
// 根据不同应用,需要的反应速率不同,具体根据实际情况设定
SensorManager.SENSOR_DELAY_NORMAL);
}
@Override
protected void onPause() {
//mSensorManager.unregisterListener(sensor);
super.onPause();
}
@Override
protected void onStop() {
//mSensorManager.unregisterListener(sensor);
super.onStop();
}
@Override
protected void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
mHandler.removeMessages(0);
}
public Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
// TODO Auto-generated method stub
super.handleMessage(msg);
Resources r = getResources();
switch (flag) {
case 0:
L.setBackgroundDrawable(r.getDrawable(R.drawable.bg01));
break;
case 1:
L.setBackgroundDrawable(r.getDrawable(R.drawable.bg02));
break;
case 2:
L.setBackgroundDrawable(r.getDrawable(R.drawable.bg03));
break;
case 3:
L.setBackgroundDrawable(r.getDrawable(R.drawable.bg04));
break;
}
}
};
private class sensorListener implements SensorEventListener {
@Override
public void onAccuracyChanged(Sensor arg0, int arg1) {
// TODO Auto-generated method stub
}
@Override
public void onSensorChanged(SensorEvent event) {
int sensorType = event.sensor.getType();
// values[0]:X轴,values[1]:Y轴,values[2]:Z轴
float[] values = event.values;
if (sensorType == Sensor.TYPE_ACCELEROMETER) {
if ((Math.abs(values[0]) > 12 || Math.abs(values[1]) > 12 || Math
.abs(values[2]) > 12)) {
flag ;
if(flag>3) flag = 0;
long[] pattern = {500,500}; // OFF/ON/OFF/ON
vibrator.vibrate(pattern,-1);
mHandler.sendEmptyMessage(0);
}
}
}
}
}
原文地址:https://www.haolizi.net/example/view_10550.html