public class MyAnimationDemo extends BaseActivity implements SensorEventListener{
private View mCircleLight;
private ObjectAnimator mCircleLightAnimator;
private CurtainView mCurtainView;
private ImageView mIvStar;
private ObjectAnimator mIvStarAnimator;
private long lastShakeTime;
private int mAnimationCurrentState;
private Sensor mAccecerateSonsor;
private SensorManager mSensorManager;
@Override
public void onAccuracyChanged(Sensor sensor, int accuracy) {
}//精度发生变化时触发
@Override
public void onSensorChanged(SensorEvent event) {
if (event.sensor.getType()==TYPE_ACCELEROMETER) {
float value[] = event.values;
float x = value[0];
float y = value[1];
float z = value[2];
if (System.currentTimeMillis() - lastShakeTime > 2000 &&Math.abs(x)>17&&Math.abs(y)>17&&Math.abs(z)>17){
lastShakeTime = System.currentTimeMillis();
startAnimation();
}
}
}//传感器value值发生变化时触发
@Override
public void onNetworkChanged() {
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.acrivity_animation_demo);
initview();
initAnimator();
}
private void initview(){
mCircleLight = (View)findViewById(R.id.animation_light);
mCurtainView = (CurtainView)findViewById(R.id.animation_curtain);
mIvStar = (ImageView)findViewById(R.id.animation_star);
}
private void initAnimator(){
mCircleLightAnimator = new ObjectAnimator();
mCircleLightAnimator.setTarget(mCircleLight);
mCircleLightAnimator.setPropertyName("rotation");
mCircleLightAnimator.setFloatValues(0,360);
mCircleLightAnimator.setDuration(1000);
mCircleLightAnimator.setRepeatMode(ValueAnimator.RESTART);
mCircleLightAnimator.setInterpolator(new LinearInterpolator());
mCircleLightAnimator.addListener(new Animator.AnimatorListener() {
@Override
public void onAnimationStart(Animator animation) {
}
@Override
public void onAnimationEnd(Animator animation) {
mCurtainView.closeWindow();
}
@Override
public void onAnimationCancel(Animator animation) {
}
@Override
public void onAnimationRepeat(Animator animation) {
}
});
mIvStarAnimator = new ObjectAnimator();
// mIvStarAnimator.ofFloat(mIvStar,"rotationY",0,180);
mIvStarAnimator.setTarget(mIvStar);
mIvStarAnimator.setPropertyName("rotateX");
mIvStarAnimator.setFloatValues(0,360);
mIvStarAnimator.setInterpolator(new LinearInterpolator());
mIvStarAnimator.setDuration(2000);
mIvStarAnimator.setRepeatMode(ValueAnimator.RESTART);
}
private void startAnimation(){
mCurtainView.setVisibility(View.VISIBLE);
mCurtainView.openWindow();
mCircleLightAnimator.start();
}
@Override
protected void onResume() {
super.onResume();
mSensorManager =(SensorManager) getApplicationContext().getSystemService(SENSOR_SERVICE);
if (mSensorManager != null) {
mAccecerateSonsor = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
if (mAccecerateSonsor!=null){
mSensorManager.registerListener(this,mAccecerateSonsor,SensorManager.SENSOR_DELAY_UI);
}
}
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mSensorManager != null) {
mAccecerateSonsor = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
if (mAccecerateSonsor!=null){
mSensorManager.unregisterListener(this,mAccecerateSonsor);
}
}
}
}
onpause的时候也记得注销 传感器呀
自定义view 利用ValueAnimator实现窗帘开闭合动画
public class CurtainView extends View implements ValueAnimator.AnimatorUpdateListener,Animation.AnimationListener {
int mCurtainstate = 0;//0 完全打开 1 打开 2 闭合动作 3 完全闭合
private Paint mPaint;
private RectF mRectF;
private ValueAnimator mAnimator;
public CurtainView(Context context) {
this(context,null);
}
public CurtainView(Context context, @Nullable AttributeSet attrs) {
this(context, attrs,0);
}
public CurtainView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
mPaint = new Paint();
mPaint.setColor(Color.WHITE);
mAnimator = new ValueAnimator();
mAnimator.setDuration(500);
mAnimator.addUpdateListener(this);
mAnimator.setInterpolator(new DecelerateInterpolator());
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
setMeasuredDimension(Math.min(widthMeasureSpec,heightMeasureSpec),Math.min(widthMeasureSpec,heightMeasureSpec));
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (mRectF==null){
mRectF = new RectF(0,0,getMeasuredWidth(),getMeasuredHeight());
}
if (mAnimator.getAnimatedValue()!=null){
int i = (int)mAnimator.getAnimatedValue();
canvas.drawArc(mRectF,90-i,i*2,false,mPaint);//s上半边窗帘
canvas.drawArc(mRectF,270-i,i*2,false,mPaint);
}
}
public void openWindow(){
mCurtainstate = 1;
mAnimator.setIntValues(0,90);
mAnimator.start();
}
public void closeWindow(){
mCurtainstate=2;
mAnimator.setIntValues((int)mAnimator.getAnimatedValue(),0);
mAnimator.start();
}
@Override
public void onAnimationUpdate(ValueAnimator animation) {
invalidate();
}
@Override
public void onAnimationRepeat(Animation animation) {
}
@Override
public void onAnimationStart(Animation animation) {
}
@Override
public void onAnimationEnd(Animation animation) {
if (mCurtainstate ==1){
mCurtainstate = 0;
}else if (mCurtainstate==2){
mCurtainstate=3;
}
}
}
