下面列出了android.animation.ValueAnimator#getCurrentPlayTime ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
@Override
public void onAnimationUpdate(ValueAnimator animation) {
if (mPaused || !animation.isRunning()) {
return;
}
long curTime = animation.getCurrentPlayTime();
if (curTime >= mPhotoMovie.getDuration()) {
mAnimator.removeUpdateListener(this);
mAnimator.removeListener(this);
mAnimator.end();
if (mMovieListener != null) {
mMovieListener.onMovieEnd();
}
mAnimator.addUpdateListener(this);
mAnimator.addListener(this);
if(mLoop){
mAnimator.start();
}
}else{
if (mMovieListener != null) {
mMovieListener.onMovieUpdate((int) curTime);
}
}
}
@Override
public void onAnimationUpdate(ValueAnimator valueAnimator) {
if (valueAnimator.getCurrentPlayTime() <= valueAnimator.getDuration()) {
float fraction = valueAnimator.getAnimatedFraction();// 动画进度
float scaleXDuration = mFinalBounds.width() - mStartBounds.width();
float scaleYDuration = mFinalBounds.height() - mStartBounds.height();
mView.getLayoutParams().width = (int)(mStartBounds.width() + (scaleXDuration * fraction));
mView.getLayoutParams().height = (int)(mStartBounds.height() + (scaleYDuration * fraction));
if (mListener != null) {
mListener.onViewAnimationUpdate(mView, valueAnimator, fraction);
}
}
mView.requestLayout();
}
@Override
public void onAnimationUpdate(ValueAnimator valueAnimator) {
if (valueAnimator.getCurrentPlayTime() <= valueAnimator.getDuration()) {
float fraction = valueAnimator.getAnimatedFraction();// 动画进度
float scaleXDuration = mFinalBounds.width() - mStartBounds.width();
float scaleYDuration = mFinalBounds.height() - mStartBounds.height();
mView.getLayoutParams().width = (int)(mStartBounds.width() + (scaleXDuration * fraction));
mView.getLayoutParams().height = (int)(mStartBounds.height() + (scaleYDuration * fraction));
if (mListener != null) {
mListener.onViewAnimationUpdate(mView, valueAnimator, fraction);
}
}
mView.requestLayout();
}
@Override
public void onAnimationUpdate(ValueAnimator valueAnimator) {
if (valueAnimator.getCurrentPlayTime() <= valueAnimator.getDuration()) {
float fraction = valueAnimator.getAnimatedFraction();// 动画进度
float scaleXDuration = mFinalBounds.width() - mStartBounds.width();
float scaleYDuration = mFinalBounds.height() - mStartBounds.height();
mView.getLayoutParams().width = (int)(mStartBounds.width() + (scaleXDuration * fraction));
mView.getLayoutParams().height = (int)(mStartBounds.height() + (scaleYDuration * fraction));
if (mListener != null) {
mListener.onViewAnimationUpdate(mView, valueAnimator, fraction);
}
}
mView.requestLayout();
}
static float getAnimatedFraction(ValueAnimator animator) {
float fraction = animator.getDuration() > 0 ? ((float) animator.getCurrentPlayTime()) / animator.getDuration() : 0f;
fraction = min(fraction, 1f);
fraction = animator.getInterpolator().getInterpolation(fraction);
return fraction;
}
static float getAnimatedFraction(ValueAnimator animator) {
float fraction = animator.getDuration() > 0 ? ((float) animator.getCurrentPlayTime()) / animator.getDuration() : 0f;
fraction = min(fraction, 1f);
fraction = animator.getInterpolator().getInterpolation(fraction);
return fraction;
}
@Override public void onAnimationUpdate(ValueAnimator animation) {
iconYPosition = ((int) animation.getAnimatedValue() - iconMargin);
if (animation.getCurrentPlayTime() > animation.getDuration() / 2
&& !alphaEnterTrigger
&& actualState.equals(MaterialAnimatedSwitchState.RELEASE)) {
exitAlphaAnimator.start();
alphaEnterTrigger = true;
}
}
/**
* Update animation initialization flag
*
* @param animation {@link ValueAnimator}
*/
private void updateInitAnimation(ValueAnimator animation) {
if (mAnimateInitialMove && animation.getDuration() <= animation.getCurrentPlayTime()) {
mIsInitialAnimationRunning = false;
}
}
public void onAnimationUpdate(final ValueAnimator animation) {
final long currentTime = System.currentTimeMillis();
if (mStartTime == -1) {
mStartFrame = sGlobalFrameCounter;
mStartTime = currentTime;
}
final long currentPlayTime = animation.getCurrentPlayTime();
boolean isFinalFrame = Float.compare(1f, animation.getAnimatedFraction()) == 0;
if (!mHandlingOnAnimationUpdate &&
sVisible &&
// If the current play time exceeds the duration, or the animated fraction is 1,
// the animation will get finished, even if we call setCurrentPlayTime -- therefore
// don't adjust the animation in that case
currentPlayTime < animation.getDuration() && !isFinalFrame) {
mHandlingOnAnimationUpdate = true;
long frameNum = sGlobalFrameCounter - mStartFrame;
// If we haven't drawn our first frame, reset the time to t = 0
// (give up after MAX_DELAY ms of waiting though - might happen, for example, if we
// are no longer in the foreground and no frames are being rendered ever)
if (frameNum == 0 && currentTime < mStartTime + MAX_DELAY && currentPlayTime > 0) {
// The first frame on animations doesn't always trigger an invalidate...
// force an invalidate here to make sure the animation continues to advance
mTarget.getRootView().invalidate();
animation.setCurrentPlayTime(0);
// For the second frame, if the first frame took more than 16ms,
// adjust the start time and pretend it took only 16ms anyway. This
// prevents a large jump in the animation due to an expensive first frame
} else if (frameNum == 1 && currentTime < mStartTime + MAX_DELAY &&
!mAdjustedSecondFrameTime &&
currentTime > mStartTime + IDEAL_FRAME_DURATION &&
currentPlayTime > IDEAL_FRAME_DURATION) {
animation.setCurrentPlayTime(IDEAL_FRAME_DURATION);
mAdjustedSecondFrameTime = true;
} else {
if (frameNum > 1) {
mTarget.post(new Runnable() {
public void run() {
animation.removeUpdateListener(FirstFrameAnimatorHelper.this);
}
});
}
}
mHandlingOnAnimationUpdate = false;
}
}
public void onAnimationUpdate(final ValueAnimator animation) {
final long currentTime = System.currentTimeMillis();
if (mStartTime == -1) {
mStartFrame = sGlobalFrameCounter;
mStartTime = currentTime;
}
final long currentPlayTime = animation.getCurrentPlayTime();
boolean isFinalFrame = Float.compare(1f, animation.getAnimatedFraction()) == 0;
if (!mHandlingOnAnimationUpdate &&
sVisible &&
// If the current play time exceeds the duration, or the animated fraction is 1,
// the animation will get finished, even if we call setCurrentPlayTime -- therefore
// don't adjust the animation in that case
currentPlayTime < animation.getDuration() && !isFinalFrame) {
mHandlingOnAnimationUpdate = true;
long frameNum = sGlobalFrameCounter - mStartFrame;
// If we haven't drawn our first frame, reset the time to t = 0
// (give up after MAX_DELAY ms of waiting though - might happen, for example, if we
// are no longer in the foreground and no frames are being rendered ever)
if (frameNum == 0 && currentTime < mStartTime + MAX_DELAY && currentPlayTime > 0) {
// The first frame on animations doesn't always trigger an invalidate...
// force an invalidate here to make sure the animation continues to advance
mTarget.getRootView().invalidate();
animation.setCurrentPlayTime(0);
// For the second frame, if the first frame took more than 16ms,
// adjust the start time and pretend it took only 16ms anyway. This
// prevents a large jump in the animation due to an expensive first frame
} else if (frameNum == 1 && currentTime < mStartTime + MAX_DELAY &&
!mAdjustedSecondFrameTime &&
currentTime > mStartTime + IDEAL_FRAME_DURATION &&
currentPlayTime > IDEAL_FRAME_DURATION) {
animation.setCurrentPlayTime(IDEAL_FRAME_DURATION);
mAdjustedSecondFrameTime = true;
} else {
if (frameNum > 1) {
mTarget.post(new Runnable() {
public void run() {
animation.removeUpdateListener(FirstFrameAnimatorHelper.this);
}
});
}
if (DEBUG) print(animation);
}
mHandlingOnAnimationUpdate = false;
} else {
if (DEBUG) print(animation);
}
}
public void print(ValueAnimator animation) {
float flatFraction = animation.getCurrentPlayTime() / (float) animation.getDuration();
Log.d("FirstFrameAnimatorHelper", sGlobalFrameCounter +
"(" + (sGlobalFrameCounter - mStartFrame) + ") " + mTarget + " dirty? " +
mTarget.isDirty() + " " + flatFraction + " " + this + " " + animation);
}
public void onAnimationUpdate(final ValueAnimator animation) {
final long currentTime = System.currentTimeMillis();
if (mStartTime == -1) {
mStartFrame = sGlobalFrameCounter;
mStartTime = currentTime;
}
final long currentPlayTime = animation.getCurrentPlayTime();
if (!mHandlingOnAnimationUpdate &&
sVisible &&
// If the current play time exceeds the duration, the animation
// will get finished, even if we call setCurrentPlayTime -- therefore
// don't adjust the animation in that case
currentPlayTime < animation.getDuration()) {
mHandlingOnAnimationUpdate = true;
long frameNum = sGlobalFrameCounter - mStartFrame;
// If we haven't drawn our first frame, reset the time to t = 0
// (give up after MAX_DELAY ms of waiting though - might happen, for example, if we
// are no longer in the foreground and no frames are being rendered ever)
if (frameNum == 0 && currentTime < mStartTime + MAX_DELAY && currentPlayTime > 0) {
// The first frame on animations doesn't always trigger an invalidate...
// force an invalidate here to make sure the animation continues to advance
mTarget.getRootView().invalidate();
animation.setCurrentPlayTime(0);
// For the second frame, if the first frame took more than 16ms,
// adjust the start time and pretend it took only 16ms anyway. This
// prevents a large jump in the animation due to an expensive first frame
} else if (frameNum == 1 && currentTime < mStartTime + MAX_DELAY &&
!mAdjustedSecondFrameTime &&
currentTime > mStartTime + IDEAL_FRAME_DURATION &&
currentPlayTime > IDEAL_FRAME_DURATION) {
animation.setCurrentPlayTime(IDEAL_FRAME_DURATION);
mAdjustedSecondFrameTime = true;
} else {
if (frameNum > 1) {
mTarget.post(new Runnable() {
public void run() {
animation.removeUpdateListener(FirstFrameAnimatorHelper.this);
}
});
}
if (DEBUG) print(animation);
}
mHandlingOnAnimationUpdate = false;
} else {
if (DEBUG) print(animation);
}
}
public void print(ValueAnimator animation) {
float flatFraction = animation.getCurrentPlayTime() / (float) animation.getDuration();
Log.d("FirstFrameAnimatorHelper", sGlobalFrameCounter +
"(" + (sGlobalFrameCounter - mStartFrame) + ") " + mTarget + " dirty? " +
mTarget.isDirty() + " " + flatFraction + " " + this + " " + animation);
}
/**
* Update animation initialization flag
*
* @param animation {@link ValueAnimator}
*/
private void updateInitAnimation(ValueAnimator animation) {
if (mAnimateInitialMove && animation.getDuration() <= animation.getCurrentPlayTime()) {
mIsInitialAnimationRunning = false;
}
}
public void onAnimationUpdate(final ValueAnimator animation) {
final long currentTime = System.currentTimeMillis();
if (mStartTime == -1) {
mStartFrame = sGlobalFrameCounter;
mStartTime = currentTime;
}
final long currentPlayTime = animation.getCurrentPlayTime();
boolean isFinalFrame = Float.compare(1f, animation.getAnimatedFraction()) == 0;
if (!mHandlingOnAnimationUpdate &&
sVisible &&
// If the current play time exceeds the duration, or the animated fraction is 1,
// the animation will get finished, even if we call setCurrentPlayTime -- therefore
// don't adjust the animation in that case
currentPlayTime < animation.getDuration() && !isFinalFrame) {
mHandlingOnAnimationUpdate = true;
long frameNum = sGlobalFrameCounter - mStartFrame;
// If we haven't drawn our first frame, reset the time to t = 0
// (give up after MAX_DELAY ms of waiting though - might happen, for example, if we
// are no longer in the foreground and no frames are being rendered ever)
if (frameNum == 0 && currentTime < mStartTime + MAX_DELAY && currentPlayTime > 0) {
// The first frame on animations doesn't always trigger an invalidate...
// force an invalidate here to make sure the animation continues to advance
mTarget.getRootView().invalidate();
animation.setCurrentPlayTime(0);
// For the second frame, if the first frame took more than 16ms,
// adjust the start time and pretend it took only 16ms anyway. This
// prevents a large jump in the animation due to an expensive first frame
} else if (frameNum == 1 && currentTime < mStartTime + MAX_DELAY &&
!mAdjustedSecondFrameTime &&
currentTime > mStartTime + IDEAL_FRAME_DURATION &&
currentPlayTime > IDEAL_FRAME_DURATION) {
animation.setCurrentPlayTime(IDEAL_FRAME_DURATION);
mAdjustedSecondFrameTime = true;
} else {
if (frameNum > 1) {
mTarget.post(new Runnable() {
public void run() {
animation.removeUpdateListener(FirstFrameAnimatorHelper.this);
}
});
}
if (DEBUG) print(animation);
}
mHandlingOnAnimationUpdate = false;
} else {
if (DEBUG) print(animation);
}
}
public void print(ValueAnimator animation) {
float flatFraction = animation.getCurrentPlayTime() / (float) animation.getDuration();
Log.d("FirstFrameAnimatorHelper", sGlobalFrameCounter +
"(" + (sGlobalFrameCounter - mStartFrame) + ") " + mTarget + " dirty? " +
mTarget.isDirty() + " " + flatFraction + " " + this + " " + animation);
}