public class MainActivity extends AppCompatActivity {
@Bind(R.id.iv_shake)
ImageView ivShake;
private static final String TAG = "TestSensorActivity";
private static final int SENSOR_SHAKE = 10;
private SensorManager sensorManager;
private Vibrator vibrator;
private boolean isShaking = false;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ButterKnife.bind(this);
sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);
initActionBar();//可以设置状态栏的按钮和内容(返回键)
}
private void initActionBar() {
ActionBar actionBar = getSupportActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
actionBar.setTitle("摇一摇");
}
@Override
protected void onResume() {
super.onResume();
if (sensorManager != null) {
// 第一个参数是Listener，第二个参数是所得传感器类型，第三个参数值获取传感器信息的频率
sensorManager.registerListener(sensorEventListener, sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER), SensorManager.SENSOR_DELAY_NORMAL);
}
}
@Override
protected void onPause() {
super.onPause();
if (sensorManager != null) {
// 取消监听器
sensorManager.unregisterListener(sensorEventListener);
}
}
/**
* 重力感应监听
*/
private SensorEventListener sensorEventListener = new SensorEventListener() {
@Override
public void onSensorChanged(SensorEvent event) {
// 传感器信息改变时执行该方法
float[] values = event.values;
float x = values[0]; // x轴方向的重力加速度，向右为正
float y = values[1]; // y轴方向的重力加速度，向前为正
float z = values[2]; // z轴方向的重力加速度，向上为正
Log.i(TAG, "x轴方向的重力加速度" + x + "；y轴方向的重力加速度" + y + "；z轴方向的重力加速度" + z);
// 一般在这三个方向的重力加速度达到40就达到了摇晃手机的状态。
int medumValue = 19;// 三星 i9250怎么晃都不会超过20，没办法，只设置19了
if (Math.abs(x) > medumValue || Math.abs(y) > medumValue || Math.abs(z) > medumValue) {
vibrator.vibrate(200);
Message msg = new Message();
msg.what = SENSOR_SHAKE;
handler.sendMessage(msg);
}
}
@Override
public void onAccuracyChanged(Sensor sensor, int accuracy) {
}
};
/**
* 动作执行
*/
Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
switch (msg.what) {
case SENSOR_SHAKE:
if (!isShaking) {
startAnim();
isShaking = true;
}
break;
}
}
};
//定义摇一摇动画动画
private void startAnim() {
AnimationSet animup = new AnimationSet(true);
TranslateAnimation animation0 = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0f,
Animation.RELATIVE_TO_SELF, -0.5f,Animation.RELATIVE_TO_SELF, 0f, Animation.RELATIVE_TO_SELF,0.f);
animation0.setDuration(300);
TranslateAnimation animation1 = new TranslateAnimation(Animation.RELATIVE_TO_SELF,-0.5f,
Animation.RELATIVE_TO_SELF, 0.5f,Animation.RELATIVE_TO_SELF, 0f, Animation.RELATIVE_TO_SELF,0.f);
animation1.setDuration(300);
animation1.setStartOffset(300);
TranslateAnimation animation2 = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0.5f,
Animation.RELATIVE_TO_SELF, 0f,Animation.RELATIVE_TO_SELF, 0f, Animation.RELATIVE_TO_SELF,0.f);
animation2.setDuration(300);
animation2.setStartOffset(600);
animup.addAnimation(animation0);
animup.addAnimation(animation1);
animup.addAnimation(animation2);
animup.setRepeatCount(Animation.RESTART);
ivShake.startAnimation(animup);
ivShake.getAnimation().setAnimationListener(new Animation.AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {
}
@Override
public void onAnimationEnd(Animation animation) {
isShaking = false;
}
@Override
public void onAnimationRepeat(Animation animation) {
}
});
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
//回退
finish();
break;
}
return super.onOptionsItemSelected(item);
}
}
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