<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"  xmlns:tools="http://schemas.android.com/tools"  android:id="@+id/activity_shake"  android:layout_width="match_parent"  android:layout_height="match_parent"  tools:context="com.sq.dissertation.activity.ShakeActivity"  android:background="#1d1d1d"><ImageView  android:layout_width="wrap_content"  android:layout_height="wrap_content"  android:layout_centerInParent="true"  android:src="@mipmap/shakehideimg_man2"/>  <LinearLayout    android:layout_width="match_parent"    android:layout_height="match_parent"    android:gravity="center"    android:orientation="vertical">    <ImageView      android:id="@+id/hand_up"      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:src="@mipmap/shake_logo_up"/>    <ImageView      android:id="@+id/hand_down"      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:src="@mipmap/shake_logo_down"/>  </LinearLayout></RelativeLayout>

public class ShakeActivity extends AppCompatActivity implements SensorEventListener {  private ImageView ivUp;  private ImageView ivDown;  private SensorManager sensorManager;  private Vibrator vibrator;  private Sensor sensor;  private MediaPlayer player;  private ObjectAnimator upAnimator;  private ObjectAnimator downAnimator;  @Override  protected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_shake);    ivUp = ((ImageView) findViewById(R.id.hand_up));    ivDown = ((ImageView) findViewById(R.id.hand_down));    //獲取傳感器管理者    sensorManager = ((SensorManager) getSystemService(SENSOR_SERVICE));    //實例化手機震動的對象    vibrator = ((Vibrator) getSystemService(VIBRATOR_SERVICE));    //獲取加速度傳感器    sensor = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);    /*實例化對象,參數:同時播放的流的最大數量,即同時播放的音樂數的上限;      流的類型,一般都是使用AudioManager.STREAM_MUSIC表示可以重復播放      采樣率轉化質量,但是現在該功能還不能生效,建議用0    *///    soundPool = new SoundPool(1, AudioManager.STREAM_MUSIC, 0);    //參數三沒有效果,建議用1//    loadId = soundPool.load(ShakeActivity.this, R.raw.three, 1);    player = MediaPlayer.create(this, R.raw.music);    initAnimation();  }  private void initAnimation() {    //上下兩張圖片的動畫    upAnimator = ObjectAnimator.ofFloat(ivUp, "translationY", 0, -200, 0);    upAnimator.setInterpolator(new AccelerateDecelerateInterpolator());    upAnimator.setDuration(2000);    downAnimator = ObjectAnimator.ofFloat(ivDown, "translationY", 0, 200, 0);    downAnimator.setInterpolator(new AccelerateDecelerateInterpolator());    downAnimator.setDuration(2000);  }  @Override  protected void onResume() {    super.onResume();    if (sensorManager != null) {    //注冊監聽器,監聽,傳感器,獲取傳感器的頻率    sensorManager.registerListener(this, sensor, SensorManager.SENSOR_DELAY_NORMAL);    }  }  @Override  protected void onPause() {    super.onPause();    if (sensorManager != null) {      //取消監聽器      sensorManager.unregisterListener(this);      //釋放音頻資源//    soundPool.unload(loadId);    }  }  @Override  protected void onDestroy() {    super.onDestroy();    player.release();  }  @Override  public void onSensorChanged(SensorEvent event) {    //獲取傳感器信息改變時的數據    float[] values = event.values;    //x軸方向的重力加速度,向右為正    float x = values[0];    //y軸方向的重力加速度,向左為正    float y = values[1];    //z軸方向的重力加速度,向上為正    float z = values[2];    //一般在這三個方向的重力加速度達到40就達到了搖晃手機的狀態    int value = 18;    if (Math.abs(x) > value || Math.abs(y) > value || Math.abs(z) > 19) {      long patter[] = {200, 1000};      vibrator.vibrate(patter,1);      upAnimator.start();      downAnimator.start();      /*      1f:左聲道音量      1f:右聲道音量      1:音頻的優先級,值越大優先級越高,      0:循環播放的次數,0為播放一次,-1為無限循環,其他值為loop+1次數      1f:播放速率,范圍0.5-2.0(1為正常速率)       *///      soundPool.play(loadId, 1f, 1f, 1, 0, 1f);      if (player.isPlaying()) {        player.seekTo(0);      }else{        player.start();      }    }  }  @Override  public void onAccuracyChanged(Sensor sensor, int accuracy) {  }}