摇一摇:仿微信效果

/**
* 摇一摇:仿微信效果
* 实现步骤:借助加速度传感器,根据加速度传感器设置事件,可以获得传感器返回的值
* 写一个逻辑,每隔轴上检测加速度都大于5,判断摇晃了手机(震动,添加动画)
*/
public class ShakeActivity extends AppCompatActivity implements SensorEventListener {

private SensorManager sensorManager;private Sensor accelerrometer;
Vibrator vibrator;
private ImageView imgDown;
private ImageView imgUp;@Override
protected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_shake);imgDown = (ImageView) findViewById(R.id.img_down);imgUp = (ImageView) findViewById(R.id.img_up);//获得传感器管理器sensorManager = (SensorManager) getSystemService(Service.SENSOR_SERVICE);//获得震动管理的系统服务vibrator = (Vibrator) getSystemService(Service.VIBRATOR_SERVICE);//通过传感器获得具体的加速度传感器accelerrometer = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
}@Override
protected void onResume() {super.onResume();//1.传感器的监听Listener 2.监听的具体传感器 3.监听延迟率(对应4中模式)//SensorManager.SENSOR_DELAY_UI   更新UI//SensorManager.SENSOR_DELAY_GAME  一般游戏中使用//SensorManager.SENSOR_DELAY_NORMAL  一般//SensorManager.SENSOR_DELAY_FASTEST 反应最快sensorManager.registerListener(this, accelerrometer, SensorManager.SENSOR_DELAY_UI);
}@Override
protected void onDestroy() {super.onDestroy();//一旦注册必须要进行解绑操作sensorManager.unregisterListener(this);
}//
//监听传感器事件的返回方法
//监听到到值返回在SensorEvent  float []
@Override
public void onSensorChanged(SensorEvent event) {//TODO  获得值到处理逻辑 根据项目需求来定float[] values = event.values;if (values[0] > 5 && values[1] > 5 && values[2] > 5) {//设置震动时间vibrator.vibrate(1000);Toast.makeText(this, "摇晃了", Toast.LENGTH_SHORT).show();startAnimation();}
}private void startAnimation() {//开启动画效果//2张图片 上面那张图片:向上移动,向下移动  下面这张图片:向下移动,向上移动AnimationSet animationSet = new AnimationSet(true);TranslateAnimation upImageup = new TranslateAnimation(TranslateAnimation.RELATIVE_TO_SELF, 0, TranslateAnimation.RELATIVE_TO_SELF, 0,TranslateAnimation.RELATIVE_TO_SELF, 0, TranslateAnimation.RELATIVE_TO_SELF, -1);//设置动画时间upImageup.setDuration(1000);animationSet.addAnimation(upImageup);TranslateAnimation upImagedown = new TranslateAnimation(TranslateAnimation.RELATIVE_TO_SELF, 0, TranslateAnimation.RELATIVE_TO_SELF, 0,TranslateAnimation.RELATIVE_TO_SELF, 0, TranslateAnimation.RELATIVE_TO_SELF, 1);//第一个动画执行完毕,在开启第二个动画upImagedown.setStartOffset(1000);//设置动画时间upImagedown.setDuration(1000);animationSet.addAnimation(upImagedown);//作用在上面那张图片上面imgUp.startAnimation(animationSet);AnimationSet animationSetTwo = new AnimationSet(true);TranslateAnimation downImagedown = new TranslateAnimation(TranslateAnimation.RELATIVE_TO_SELF, 0, TranslateAnimation.RELATIVE_TO_SELF, 0,TranslateAnimation.RELATIVE_TO_SELF, 0, TranslateAnimation.RELATIVE_TO_SELF, 1);//设置动画时间downImagedown.setDuration(1000);animationSetTwo.addAnimation(downImagedown);TranslateAnimation dwonImageup = new TranslateAnimation(TranslateAnimation.RELATIVE_TO_SELF, 0, TranslateAnimation.RELATIVE_TO_SELF, 0,TranslateAnimation.RELATIVE_TO_SELF, 0, TranslateAnimation.RELATIVE_TO_SELF, -1);//第一个动画执行完毕,在开启第二个动画dwonImageup.setStartOffset(1000);//设置动画时间dwonImageup.setDuration(1000);animationSetTwo.addAnimation(dwonImageup);imgDown.startAnimation(animationSetTwo);}@Override
public void onAccuracyChanged(Sensor sensor, int accuracy) {}

}

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