private void doBackAnim(final View view) {
ValueAnimator tmpAnimator =
ObjectAnimator.ofFloat(view, "translationX", view.getTranslationX(), 0);
tmpAnimator.setDuration(mBackAnimTime);
tmpAnimator.setRepeatCount(0);
tmpAnimator.start();
}
/** Pop alphabet */
protected void popAlphabet() {
if (mAlphabetList.size() < POP_LIMIT_NUM) {
return;
}
backAlphabet(false); // first, back alphabet, and pop alphabet
isPoped = true;
changeTextColor(mCurrentSelection, false);
isShowSelected = false;
invalidate();
int position;
int halfMoveCount = (mMoveCount + 1) / 2;
for (int i = 0; i < mMoveCount; i++) {
position = mCurrentSelection - halfMoveCount + 1 + i;
if (position >= 0 && position < getChildCount()) {
View view = getChildAt(position);
ValueAnimator tmpAnimator =
ObjectAnimator.ofFloat(
view,
"translationX",
view.getTranslationX(),
-mMaxOffset * (float) Math.sin((i + 1) * Math.PI / (mMoveCount + 1)));
// Math.sin((i + 1) * Math.PI / (mMoveCount + 2))区间是[0,1]，如移动的字母数(mMoveCount＝3)，
// 那么取sin曲线上5个点，1和5点无动画，只创建中间3点动画，值是0.7071、1.0、0.7071。
tmpAnimator.setDuration(mPopAnimTime);
tmpAnimator.setRepeatCount(0);
tmpAnimator.setInterpolator(mInterpolator);
tmpAnimator.start();
mAnimMap.put(position, tmpAnimator);
}
}
}
private void startAnimation(final boolean isLeft, final boolean isOpen, boolean staticDuration) {
mToOpen = isOpen;
int total;
if (isLeft) {
mTargetView = mLeftDrawer;
mStartLeft = mLeftDrawer.getLeft();
total = mLeftDrawer.getWidth();
mEndLeft = mToOpen ? 0 : -total;
} else {
mTargetView = mRightDrawer;
mStartLeft = mRightDrawer.getLeft();
total = mRightDrawer.getWidth();
mEndLeft = mToOpen ? getWidth() - total : getWidth();
}
if (mStartLeft == mEndLeft) {
// No need to animate
updateDrawerSlide(mTargetView, mToOpen ? 1.0f : 0.0f);
updateDrawerState(mTargetView, mToOpen ? STATE_OPEN : STATE_CLOSED);
if (mToOpen) dispatchOnDrawerOpened(mTargetView);
else dispatchOnDrawerClosed(mTargetView);
return;
}
mAnimator.setDuration(
staticDuration ? ANIMATE_TIME : ANIMATE_TIME * Math.abs(mStartLeft - mEndLeft) / total);
mAnimator.start();
}
private void animateOut() {
ValueAnimator animWidth = ValueAnimator.ofInt(zoomableImageView.getMeasuredWidth(), rect.right);
animWidth.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator valueAnimator) {
int val = (Integer) valueAnimator.getAnimatedValue();
ViewGroup.LayoutParams layoutParams = zoomableImageView.getLayoutParams();
layoutParams.width = val;
zoomableImageView.setLayoutParams(layoutParams);
}
});
animWidth.setDuration(500);
animWidth.start();
ValueAnimator animHeight =
ValueAnimator.ofInt(zoomableImageView.getMeasuredHeight(), rect.bottom);
animHeight.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator valueAnimator) {
int val = (Integer) valueAnimator.getAnimatedValue();
ViewGroup.LayoutParams layoutParams = zoomableImageView.getLayoutParams();
layoutParams.height = val;
zoomableImageView.setLayoutParams(layoutParams);
}
});
animHeight.setDuration(500);
animHeight.start();
if (statusBarHeightCorrection > 0) {
zoomableImageView.animate().y(-statusBarHeightCorrection).setDuration(300).start();
}
zoomableImageView.animate().alpha(0.0f).setDuration(500).start();
}
private void startUnCheckedAnimation() {
ValueAnimator animator = ValueAnimator.ofFloat(0f, 1.0f);
animator.setDuration(mAnimDuration);
animator.setInterpolator(new LinearInterpolator());
animator.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
mScaleVal = (float) animation.getAnimatedValue();
mFloorColor = getGradientColor(mCheckedColor, COLOR_FLOOR_UNCHECKED, mScaleVal);
postInvalidate();
}
});
animator.start();
ValueAnimator floorAnimator = ValueAnimator.ofFloat(1.0f, 0.8f, 1.0f);
floorAnimator.setDuration(mAnimDuration);
floorAnimator.setInterpolator(new LinearInterpolator());
floorAnimator.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
mFloorScale = (float) animation.getAnimatedValue();
postInvalidate();
}
});
floorAnimator.start();
}
private void initBackgroundDimAnimation() {
final int maxAlpha = Color.alpha(mBackgroundColor);
final int red = Color.red(mBackgroundColor);
final int green = Color.green(mBackgroundColor);
final int blue = Color.blue(mBackgroundColor);
mShowBackgroundAnimator = ValueAnimator.ofInt(0, maxAlpha);
mShowBackgroundAnimator.setDuration(ANIMATION_DURATION);
mShowBackgroundAnimator.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
Integer alpha = (Integer) animation.getAnimatedValue();
setBackgroundColor(Color.argb(alpha, red, green, blue));
}
});
mHideBackgroundAnimator = ValueAnimator.ofInt(maxAlpha, 0);
mHideBackgroundAnimator.setDuration(ANIMATION_DURATION);
mHideBackgroundAnimator.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
Integer alpha = (Integer) animation.getAnimatedValue();
setBackgroundColor(Color.argb(alpha, red, green, blue));
}
});
}
@Override
public List<Animator> createAnimation() {
List<Animator> animators = new ArrayList<>();
float startX = getWidth() / 5;
float startY = getWidth() / 5;
for (int i = 0; i < 3; i++) {
final int index = i;
ValueAnimator translateXAnim =
ValueAnimator.ofFloat(getWidth() / 2, getWidth() - startX, startX, getWidth() / 2);
if (i == 1) {
translateXAnim =
ValueAnimator.ofFloat(getWidth() - startX, startX, getWidth() / 2, getWidth() - startX);
} else if (i == 2) {
translateXAnim = ValueAnimator.ofFloat(startX, getWidth() / 2, getWidth() - startX, startX);
}
ValueAnimator translateYAnim =
ValueAnimator.ofFloat(startY, getHeight() - startY, getHeight() - startY, startY);
if (i == 1) {
translateYAnim =
ValueAnimator.ofFloat(
getHeight() - startY, getHeight() - startY, startY, getHeight() - startY);
} else if (i == 2) {
translateYAnim =
ValueAnimator.ofFloat(
getHeight() - startY, startY, getHeight() - startY, getHeight() - startY);
}
translateXAnim.setDuration(2000);
translateXAnim.setInterpolator(new LinearInterpolator());
translateXAnim.setRepeatCount(-1);
translateXAnim.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
translateX[index] = (float) animation.getAnimatedValue();
postInvalidate();
}
});
translateXAnim.start();
translateYAnim.setDuration(2000);
translateYAnim.setInterpolator(new LinearInterpolator());
translateYAnim.setRepeatCount(-1);
translateYAnim.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
translateY[index] = (float) animation.getAnimatedValue();
postInvalidate();
}
});
translateYAnim.start();
animators.add(translateXAnim);
animators.add(translateYAnim);
}
return animators;
}
private void animateBothText() {
ValueAnimator rotateAnimX = ObjectAnimator.ofFloat(bothText, "scaleX", 0f, 0.9f);
rotateAnimX.setDuration(700);
rotateAnimX.start();
ValueAnimator rotateAnimY = ObjectAnimator.ofFloat(bothText, "scaleY", 0f, 0.9f);
rotateAnimY.setDuration(700);
rotateAnimY.start();
}
private void startLineAnim() {
mStatus = LINE_MOVE;
int duration = 1;
// (cxRight - cxLeft) != mRecWidth. 极小的数字也会画出一个点
linePosXAnim = ValueAnimator.ofFloat(0, cxRight - cxLeft);
linePosXAnim.setDuration(duration * mRippleDuration);
linePosXAnim.setInterpolator(new LinearInterpolator());
linePosXAnim.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
mLinePosX = (float) animation.getAnimatedValue();
postInvalidate();
}
});
sweepAngAnim = ValueAnimator.ofFloat(180f, mSweepAngMin);
sweepAngAnim.setDuration(duration * mRippleDuration);
sweepAngAnim.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
mSweepAng = (float) animation.getAnimatedValue();
postInvalidate();
}
});
sweepAngAnim.setInterpolator(new LinearInterpolator());
sweepAngAnim.addListener(
new Animator.AnimatorListener() {
@Override
public void onAnimationStart(Animator animation) {}
@Override
public void onAnimationEnd(Animator animation) {
mLinePosX = 0;
mSweepAng = 180f;
startTickAnim();
}
@Override
public void onAnimationCancel(Animator animation) {}
@Override
public void onAnimationRepeat(Animator animation) {}
});
AnimatorSet animSet = new AnimatorSet();
animSet.playSequentially(linePosXAnim, sweepAngAnim);
animSet.start();
}
@Override
public List<Animator> createAnimation() {
List<Animator> animators = new ArrayList<>();
float circleSpacing = 4;
float radius = (getWidth() - circleSpacing * 2) / 6;
int[] delays = new int[] {70, 140, 210};
for (int i = 0; i < 3; i++) {
final int index = i;
ValueAnimator scaleAnim =
ValueAnimator.ofFloat(getHeight() / 2, getHeight() / 2 - radius * 2, getHeight() / 2);
scaleAnim.setDuration(600);
scaleAnim.setRepeatCount(-1);
scaleAnim.setStartDelay(delays[i]);
scaleAnim.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
translateYFloats[index] = (float) animation.getAnimatedValue();
postInvalidate();
}
});
scaleAnim.start();
animators.add(scaleAnim);
}
return animators;
}
private void fadeOutDragView() {
mFadeOutAnim = new ValueAnimator();
mFadeOutAnim.setDuration(150);
mFadeOutAnim.setFloatValues(0f, 1f);
mFadeOutAnim.removeAllUpdateListeners();
mFadeOutAnim.addUpdateListener(
new AnimatorUpdateListener() {
public void onAnimationUpdate(ValueAnimator animation) {
final float percent = (Float) animation.getAnimatedValue();
float alpha = 1 - percent;
mDropView.setAlpha(alpha);
}
});
mFadeOutAnim.addListener(
new AnimatorListenerAdapter() {
public void onAnimationEnd(Animator animation) {
if (mDropView != null) {
mDragController.onDeferredEndDrag(mDropView);
}
mDropView = null;
invalidate();
}
});
mFadeOutAnim.start();
}
public void start(int a) {
v = ValueAnimator.ofInt(0, 1000);
v.setDuration(a);
v.addUpdateListener(this);
playing = true;
v.start();
}
private AnimatorSet startAniMoveRightToCenter(View rightDot) {
int dotDiameter = (int) getResources().getDimension(R.dimen.loading_dot_size);
int dotPadding = (int) getResources().getDimension(R.dimen.loading_dot_padding);
AnimatorSet moveRightToCentral = new AnimatorSet();
ObjectAnimator rightDotToCentral =
ObjectAnimator.ofFloat(rightDot, "translationX", 0, -dotPadding - dotDiameter);
rightDotColorChange =
ValueAnimator.ofObject(
new ArgbEvaluator(),
getResources().getColor(R.color.dot_normal),
getResources().getColor(R.color.dot_active));
final GradientDrawable rightDotBg = (GradientDrawable) rightDot.getBackground();
rightDotColorChange.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(final ValueAnimator animator) {
rightDotBg.setColor((Integer) animator.getAnimatedValue());
}
});
rightDotColorChange.setDuration(aniDuration);
rightDotColorChange.addListener(this);
moveRightToCentral.play(rightDotColorChange).with(rightDotToCentral);
return moveRightToCentral;
}
@Override
protected void runAnimators() {
reflectSetupStartEndListeners();
animMap.clear();
for (int i = 0, count = getTransitionCount(); i < count; i++) {
Transition transition = getTransitionAt(i);
ArrayList<ValueAnimator> valueAnimators = new ArrayList<>();
for (Animator animator : AnimatorUtils.collectAnimators(transition)) {
valueAnimators.addAll(AnimatorUtils.collectValueAnimators(animator));
}
// insure animator's duration, startDelay, Interpolator same as this transition
long duration = (long) (getDuration() / AnimatorUtils.getAnimatorDurationScale());
long startDelay = getStartDelay();
TimeInterpolator interpolator = getInterpolator();
for (ValueAnimator animator : valueAnimators) {
if (duration >= 0) animator.setDuration(duration);
if (startDelay >= 0) animator.setStartDelay(startDelay + animator.getStartDelay());
if (interpolator != null) animator.setInterpolator(interpolator);
}
animMap.put(transition, valueAnimators);
// you can change transition's duration, startDelay and Interpolator at here
if (playControl != null) playControl.onPreRunAnimator(transition, valueAnimators);
}
}
/** 抛物线 */
public void parabolaRun(View view) {
ValueAnimator ani = new ValueAnimator();
ani.setDuration(1000);
ani.setObjectValues(new PointF(0, 0));
ani.setInterpolator(new LinearInterpolator());
ani.setEvaluator(
new TypeEvaluator<PointF>() {
@Override
public PointF evaluate(float fraction, PointF startValue, PointF endValue) {
Log.e("TAG", fraction + "");
// x方向的速度v=200px/s;y方向的加速度为0.5f,速度也是v
PointF point = new PointF();
point.x = mX * fraction;
point.y = mY * fraction * fraction;
return point;
}
});
ani.addUpdateListener(
new AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
PointF point = (PointF) animation.getAnimatedValue();
ivBall.setX(point.x);
ivBall.setY(point.y);
}
});
ani.start();
}
/**
* call when you want to animate the highlight in or out - this is NOT dependant on {@link
* #setChecked(boolean)} above because on scroll, among other layout calls, would trigger
* setChecked many, many times
*
* @param checked
*/
public void animateHighlight(boolean checked) {
if (mHighlightAnimator != null && mHighlightAnimator.isRunning()) {
mHighlightAnimator.cancel();
mHighlightAnimator.removeAllUpdateListeners();
mHighlightAnimator.removeAllListeners();
}
if (checked) {
mHighlightAnimator = ValueAnimator.ofFloat(0, mMaxWidth);
} else {
mHighlightAnimator = ValueAnimator.ofFloat(mMaxWidth, 0);
}
mHighlightAnimator.setDuration(250);
mHighlightAnimator.addListener(mHighlightAnimatorListener);
mHighlightAnimator.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
mPinkPaint.setStrokeWidth((float) animation.getAnimatedValue());
postInvalidate();
}
});
mHighlightAnimator.start();
}
private void peak(boolean next, boolean once) {
final float baseFlipDistance = mCurrentPageIndex * FLIP_DISTANCE_PER_PAGE;
if (next) {
mPeakAnim =
ValueAnimator.ofFloat(baseFlipDistance, baseFlipDistance + FLIP_DISTANCE_PER_PAGE / 4);
} else {
mPeakAnim =
ValueAnimator.ofFloat(baseFlipDistance, baseFlipDistance - FLIP_DISTANCE_PER_PAGE / 4);
}
mPeakAnim.setInterpolator(mPeakInterpolator);
mPeakAnim.addUpdateListener(
new AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
setFlipDistance((Float) animation.getAnimatedValue());
}
});
mPeakAnim.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
endPeak();
}
});
mPeakAnim.setDuration(PEAK_ANIM_DURATION);
mPeakAnim.setRepeatMode(ValueAnimator.REVERSE);
mPeakAnim.setRepeatCount(once ? 1 : ValueAnimator.INFINITE);
mPeakAnim.start();
}
public void startRippleAnimation(
final int centerX, final int centerY, int min, int max, boolean expand) {
isAnimation = true;
ValueAnimator valueAnimator;
if (expand) valueAnimator = ValueAnimator.ofInt(min, max);
else valueAnimator = ValueAnimator.ofInt(max, 0);
valueAnimator.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
path.reset();
path.addCircle(centerX, centerY, (int) animation.getAnimatedValue(), Path.Direction.CW);
path.close();
invalidate();
}
});
valueAnimator.setInterpolator(interpolator);
valueAnimator.setDuration(duration).start();
postDelayed(
new Runnable() {
@Override
public void run() {
isAnimation = false;
}
},
duration);
}
/** 圆周运动 */
public void circleRun(View view) {
ValueAnimator animator = new ValueAnimator();
animator.setDuration(10000);
animator.setTarget(mCircleBall);
animator.setObjectValues(new PointF(mCircleBall.getX(), mCircleBall.getY()));
animator.setInterpolator(new LinearInterpolator());
animator.setEvaluator(
new TypeEvaluator<PointF>() {
@Override
public PointF evaluate(float fraction, PointF startValue, PointF endValue) {
/** 设置圆的半径r为200px 圆点坐标为(x1,y1) 圆周上的点坐标的公式为 x = x1 + r * cos(wt) y = y1 + r * sin(wt) */
PointF point = new PointF();
point.x =
(float) (mScreenWidth / 2 + 200 * Math.cos(Math.toRadians(360 * fraction - 90)));
point.y = (float) (200 + 200 * Math.sin(Math.toRadians(360 * fraction - 90)));
return point;
}
});
// //设置重复模式，RESTART为结束后重新开始，REVERSE为按原来的轨迹逆向返回
// animator.setRepeatMode(Animation.RESTART);
// 设置重复次数，INFINITE为无限
animator.setRepeatCount(0);
animator.start();
animator.addUpdateListener(
new AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
PointF point = (PointF) animation.getAnimatedValue();
mCircleBall.setX(point.x);
mCircleBall.setY(point.y);
}
});
}
private void smoothTo(int fromY, int toY) {
ValueAnimator valueAnimator =
ValueAnimator.ofObject(
new TypeEvaluator<Integer>() {
@Override
public Integer evaluate(float fraction, Integer startValue, Integer endValue) {
return startValue + (int) (fraction * (endValue - startValue));
}
},
fromY,
toY);
valueAnimator.setInterpolator(null);
valueAnimator.setDuration(getResources().getInteger(android.R.integer.config_shortAnimTime));
valueAnimator.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
offsetTop = (int) animation.getAnimatedValue();
requestLayout();
}
});
valueAnimator.start();
}
private void startAnimation(int temp_moveX, int temp_moveY) {
Point startPoint = new Point(temp_moveX, temp_moveY);
Point endPoint = new Point((int) centerX, (int) centerY);
ValueAnimator anim = ValueAnimator.ofObject(new PointEvaluator(), startPoint, endPoint);
anim.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
Point point = (Point) animation.getAnimatedValue();
moveX = point.getX();
moveY = point.getY();
Log.i("CJT", moveX + " ==== " + moveY);
invalidate();
}
});
anim.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
isAnim = false;
VIEW_STATUS = VIEW_ACTION_STATUS;
invalidate();
}
});
anim.setInterpolator(new SpringInterpolator());
anim.setDuration(1000);
anim.start();
}
private void startAnim() {
ValueAnimator valueAnimator =
ValueAnimator.ofFloat(mActiveCircle.angle, mActiveCircle.angle + 360);
valueAnimator.setInterpolator(new AccelerateDecelerateInterpolator());
valueAnimator.setDuration(2500);
valueAnimator.setRepeatCount(Animation.INFINITE);
valueAnimator.start();
valueAnimator.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
float angle = (Float) animation.getAnimatedValue();
mActiveCircle.x =
(float)
(mCenterCircle.x
+ (mCenterCircleRadius + mWallCircleRadius)
* Math.cos(Math.toRadians(angle)));
mActiveCircle.y =
(float)
(mCenterCircle.y
+ (mCenterCircleRadius + mWallCircleRadius)
* Math.sin(Math.toRadians(angle)));
invalidate();
}
});
}
@TargetApi(11)
public ValueAnimator setSpeed(double progress, long duration, long startDelay) {
if (progress <= 0)
throw new IllegalArgumentException("Non-positive value specified as a speed.");
if (progress > maxSpeed) progress = maxSpeed;
ValueAnimator va =
ValueAnimator.ofObject(
new TypeEvaluator<Double>() {
@Override
public Double evaluate(float fraction, Double startValue, Double endValue) {
return startValue + fraction * (endValue - startValue);
}
},
Double.valueOf(getSpeed()),
Double.valueOf(progress));
va.setDuration(duration);
va.setStartDelay(startDelay);
va.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
Double value = (Double) animation.getAnimatedValue();
if (value != null) setSpeed(value);
}
});
va.start();
return va;
}
public void animateToNaturalState() {
if (mAcceptAnimator != null) {
mAcceptAnimator.cancel();
}
mNeutralAnimator = ValueAnimator.ofFloat(0f, 1f);
mNeutralAnimator.setDuration(CONSUMPTION_ANIMATION_DURATION);
mNeutralAnimator.addUpdateListener(
new AnimatorUpdateListener() {
public void onAnimationUpdate(ValueAnimator animation) {
final float percent = (Float) animation.getAnimatedValue();
mOuterRingSize = (1 + (1 - percent) * OUTER_RING_GROWTH_FACTOR) * sPreviewSize;
mInnerRingSize = (1 + (1 - percent) * INNER_RING_GROWTH_FACTOR) * sPreviewSize;
if (mCellLayout != null) {
mCellLayout.invalidate();
}
}
});
mNeutralAnimator.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
if (mCellLayout != null) {
mCellLayout.hideFolderAccept(FolderRingAnimator.this);
}
if (mFolderIcon != null) {
mFolderIcon.mPreviewBackground.setVisibility(VISIBLE);
}
}
});
mNeutralAnimator.start();
}
@Override
public List<Animator> createAnimation() {
List<Animator> animators = new ArrayList<>();
int[] durations = {960, 930, 1190, 1130, 1340, 940, 1200, 820, 1190};
int[] delays = {360, 400, 680, 410, 710, -150, -120, 10, 320};
for (int i = 0; i < 9; i++) {
final int index = i;
ValueAnimator alphaAnim = ValueAnimator.ofInt(255, 168, 255);
alphaAnim.setDuration(durations[i]);
alphaAnim.setRepeatCount(-1);
alphaAnim.setStartDelay(delays[i]);
alphaAnim.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
alphas[index] = (int) animation.getAnimatedValue();
postInvalidate();
}
});
alphaAnim.start();
animators.add(alphaAnim);
}
return animators;
}
/**
* 抛物线
*
* @param view
*/
public void paowuxian(View view) {
final ValueAnimator valueAnimator = new ValueAnimator();
valueAnimator.setDuration(3000);
valueAnimator.setTarget(mBlueBall);
valueAnimator.setObjectValues(new PointF(0, 0));
valueAnimator.setInterpolator(new LinearInterpolator()); // 匀速
/**
* evaluator全部继承至TypeEvaluator接口，它只有一个evaluate()方法。它用来返回你要进行动画的那个属性在当前时间点所需要的属性值
* 根据属性的开始、结束值与TimeInterpolation计算出的因子计算出当前时间的属性值
*/
valueAnimator.setEvaluator(
new TypeEvaluator<PointF>() {
@Override
public PointF evaluate(float fraction, PointF startValue, PointF endValue) {
/**
* fraction 表示时间分值 画面绘制一帧所需要的时间 平抛运动可正交分解为两个运动：水平方向上的速度为V的匀速直线运动和竖直方向上的自由落体运动. 水平方向上位移是x
* = Vt； 竖直方向上的速度V = gt,位移y = gt²/2 这里设x的速度为200px/s g为260px/s 时间为3秒
*/
Log.e("sssssssss", fraction + "");
PointF point = new PointF();
point.x = 200 * 3 * fraction;
point.y = 260 * (fraction * 3) * (fraction * 3) / 2;
return point;
}
});
valueAnimator.start();
valueAnimator.addUpdateListener(
new AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
PointF point = (PointF) animation.getAnimatedValue();
mBlueBall.setX(point.x);
mBlueBall.setY(point.y);
}
});
/**
* 动画监听事件 AnimatorListenerAdapter继承了AnimatorListener接口，可以空实现所有的方法 你可以根据你的需要重写你需要的方法 主要的方法有
* onAnimationStart 开始 onAnimationRepeat 重复 onAnimationCancel 停止 onAnimationEnd 结束
*/
valueAnimator.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
ViewGroup parent = (ViewGroup) mBlueBall.getParent();
if (mBlueBall != null) {
parent.removeView(mBlueBall);
}
}
@Override
public void onAnimationCancel(Animator animation) {
super.onAnimationCancel(animation);
}
});
}
@Override
public List<Animator> createAnimation() {
ValueAnimator scaleAnim = ValueAnimator.ofFloat(1, 0.3f, 1);
scaleAnim.setDuration(1000);
scaleAnim.setRepeatCount(-1);
scaleAnim.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
scaleFloat1 = (float) animation.getAnimatedValue();
postInvalidate();
}
});
scaleAnim.start();
ValueAnimator scaleAnim2 = ValueAnimator.ofFloat(1, 0.6f, 1);
scaleAnim2.setDuration(1000);
scaleAnim2.setRepeatCount(-1);
scaleAnim2.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
scaleFloat2 = (float) animation.getAnimatedValue();
postInvalidate();
}
});
scaleAnim2.start();
ValueAnimator rotateAnim = ValueAnimator.ofFloat(0, 180, 360);
rotateAnim.setDuration(1000);
rotateAnim.setRepeatCount(-1);
rotateAnim.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
degrees = (float) animation.getAnimatedValue();
postInvalidate();
}
});
rotateAnim.start();
List<Animator> animators = new ArrayList<>();
animators.add(scaleAnim);
animators.add(scaleAnim2);
animators.add(rotateAnim);
return animators;
}
@Override
public void start() {
setupAnimators();
mAnimation.cancel();
mRing.storeOriginals();
// Already showing some part of the ring
if (mRing.getEndTrim() != mRing.getStartTrim()) {
mFinishing = true;
mAnimation.setDuration(ANIMATION_DURATION / 2);
mAnimation.start();
} else {
mRing.setColorIndex(0);
mRing.resetOriginals();
mAnimation.setDuration(ANIMATION_DURATION);
mAnimation.start();
}
}
public void stop() {
playing = false;
v.cancel();
ValueAnimator v2 = ValueAnimator.ofInt(0, 100);
v2.setDuration(200);
v2.addUpdateListener(this);
v2.start();
}
private void startRippleAnim() {
mStatus = RIPPLE;
rippleAnimator = ValueAnimator.ofFloat(mRippleWidth, mMaxRippleWidth);
rippleAlphaAnimator = ValueAnimator.ofInt(255, 0);
rippleAnimator.setDuration(mRippleDuration);
rippleAlphaAnimator.setDuration(mRippleDuration);
rippleAnimator.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
mRippleWidth = (Float) animation.getAnimatedValue();
}
});
rippleAlphaAnimator.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
mRippleAlpha = (int) animation.getAnimatedValue();
postInvalidate();
}
});
rippleAnimator.addListener(
new Animator.AnimatorListener() {
@Override
public void onAnimationStart(Animator animation) {}
@Override
public void onAnimationEnd(Animator animation) {
mRippleWidth = mInitRippleWidth;
mRippleAlpha = 255;
startLineAnim();
}
@Override
public void onAnimationCancel(Animator animation) {
mRippleWidth = mInitRippleWidth;
mRippleAlpha = 255;
}
@Override
public void onAnimationRepeat(Animator animation) {}
});
AnimatorSet animSet = new AnimatorSet();
animSet.playTogether(rippleAnimator, rippleAlphaAnimator);
animSet.start();
}