Android利用传感器仿微信摇一摇功能

sensor = (TextView) findViewById(R.id.sensor);

    mSensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);

    List sensorList = mSensorManager.getSensorList(Sensor.TYPE_ALL);

    StringBuilder builder = new StringBuilder();

    builder.append("传感器总数: "+sensorList.size()+"\n");
    for (int i = 0; i < sensorList.size(); i++) {
      Sensor sensor = sensorList.get(i);
      builder.append("传感器名称： "+sensor.getName()+", 传感器生产厂商： "+sensor.getVendor()+"\n");
    }
    sensor.setText(builder.toString());

//摇一摇---->加速传感器
    //1、初始化控件
    initView();
    //2、初始化音乐SoundPool
    initSoundPool();
    //3、震动
    initVibrator();

up_logo = (ImageView) findViewById(R.id.up_logo);
down_logo = (ImageView) findViewById(R.id.down_logo);

private void initSoundPool() {
    if(Build.VERSION.SDK_INT>=21){
      SoundPool.Builder builder = new SoundPool.Builder();
      //设置
      builder.setMaxStreams(1);
      AudioAttributes attributes = new AudioAttributes.Builder()
          .setLegacyStreamType(AudioManager.STREAM_MUSIC)
          .build();

      builder.setAudioAttributes(attributes);

      mSoundPool = builder.build();
    }else {
      //已经过时，老版本
      mSoundPool = new SoundPool(1, AudioManager.STREAM_MUSIC, 0);//参数三保留参数
    }
    //添加音乐
    //参数三是音乐池中音乐播放的优先级
    mSoundPool_id = mSoundPool.load(this, R.raw.awe, 1);
  }

 @Override
  protected void onStart() {
    super.onStart();
    //4、设置传感器监听，加速传感器
    initSensor();
  }

  @Override
  protected void onStop() {
    super.onStop();
    //解除注册
    mSensorManager.unregisterListener(this);
  }

  private void initSensor() {
    Sensor accelerometerSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
    //通过SensorManager实现监听加速传感器
    mSensorManager.registerListener(this,accelerometerSensor,SensorManager.SENSOR_DELAY_UI);
  }

//数据发生变化
 @Override
  public void onSensorChanged(SensorEvent event) {

  }

//精度发生变化，传感器的，该方法用不到
  @Override
  public void onAccuracyChanged(Sensor sensor, int accuracy) {

  }

@Override
  public void onSensorChanged(SensorEvent event) {//数据发生变化
    Sensor sensor = event.sensor;
    int type = sensor.getType();
    switch (type){
      case Sensor.TYPE_ACCELEROMETER://加速传感器

        float[] values = event.values;
        //x,y,z 三个方向
        //9.8
        float x = values[0];
        float y = values[1];
        float z = values[2];

        if(Math.abs(x)>25||Math.abs(y)>25||Math.abs(z)>25){
          //触发摇一摇
          //音乐播放
          mSoundPool.play(mSoundPool_id,1,1,0,0,1);

          //震动(-1代表只执行一次)
          mVibrator.vibrate(new long[]{200,300,400,200},-1);
          //动画执行
          initAnimation();
        }
        break;
    }
  }

private void initAnimation() {
  //up_logo 向上移动，同时有上下震动
  AnimationSet set_up = new AnimationSet(true);
  TranslateAnimation up_up = new TranslateAnimation(
    TranslateAnimation.RELATIVE_TO_SELF,0,//x轴起点
    TranslateAnimation.RELATIVE_TO_SELF,0,//x轴终点
    TranslateAnimation.RELATIVE_TO_SELF,0,//y轴起点
    TranslateAnimation.RELATIVE_TO_SELF,-1//y轴终点
    );

  up_up.setDuration(1000);

  TranslateAnimation up_down = new TranslateAnimation(
    TranslateAnimation.RELATIVE_TO_SELF,0,//x轴起点
    TranslateAnimation.RELATIVE_TO_SELF,0,//x轴终点
    TranslateAnimation.RELATIVE_TO_SELF,-1,//y轴起点
    TranslateAnimation.RELATIVE_TO_SELF,0//y轴终点
  );
  up_down.setDuration(1000);

  //延迟执行set中的某一动画
  up_down.setStartOffset(500);
  set_up.addAnimation(up_up);//移动上去;
  set_up.addAnimation(up_down);//拉下来
  up_logo.startAnimation(set_up);

//----------

  AnimationSet set_down = new AnimationSet(true);
  TranslateAnimation down_down = new TranslateAnimation(
    TranslateAnimation.RELATIVE_TO_SELF,0,//x轴起点
    TranslateAnimation.RELATIVE_TO_SELF,0,//x轴终点
    TranslateAnimation.RELATIVE_TO_SELF,0,//y轴起点
    TranslateAnimation.RELATIVE_TO_SELF,1//y轴终点
  );
  down_down.setDuration(1000);
  TranslateAnimation down_up = new TranslateAnimation(
    TranslateAnimation.RELATIVE_TO_SELF,0,//x轴起点
    TranslateAnimation.RELATIVE_TO_SELF,0,//x轴终点
    TranslateAnimation.RELATIVE_TO_SELF,1,//y轴起点
    TranslateAnimation.RELATIVE_TO_SELF,0//y轴终点
  );
  down_up.setDuration(1000);
  down_up.setStartOffset(500);
  set_down.addAnimation(down_down);//向下移动
  set_down.addAnimation(down_up);//往上拉动
  down_logo.startAnimation(set_down);

 }