/**
* Create a pair of {@link FlipAnimation} that can be used to flip 3D transition from {@code
* fromView} to {@code toView}. A typical use case is with {@link ViewAnimator} as an out and in
* transition.
*
* <p>NOTE: Avoid using this method. Instead, use {@link #flipTransition}.
*
* @param fromView the view transition away from
* @param toView the view transition to
* @param dir the flip direction
* @param duration the transition duration in milliseconds
* @param interpolator the interpolator to use (pass {@code null} to use the {@link
* AccelerateInterpolator} interpolator)
* @return
*/
public static Animation[] flipAnimation(
final View fromView,
final View toView,
FlipDirection dir,
long duration,
Interpolator interpolator) {
Animation[] result = new Animation[2];
float centerX;
float centerY;
centerX = fromView.getWidth() / 2.0f;
centerY = fromView.getHeight() / 2.0f;
Animation outFlip =
new FlipAnimation(
dir.getStartDegreeForFirstView(),
dir.getEndDegreeForFirstView(),
centerX,
centerY,
FlipAnimation.SCALE_DEFAULT,
FlipAnimation.ScaleUpDownEnum.SCALE_DOWN);
outFlip.setDuration(duration);
outFlip.setFillAfter(true);
outFlip.setInterpolator(interpolator == null ? new AccelerateInterpolator() : interpolator);
AnimationSet outAnimation = new AnimationSet(true);
outAnimation.addAnimation(outFlip);
result[0] = outAnimation;
// Uncomment the following if toView has its layout established (not the case if using
// ViewFlipper and on first show)
// centerX = toView.getWidth() / 2.0f;
// centerY = toView.getHeight() / 2.0f;
Animation inFlip =
new FlipAnimation(
dir.getStartDegreeForSecondView(),
dir.getEndDegreeForSecondView(),
centerX,
centerY,
FlipAnimation.SCALE_DEFAULT,
FlipAnimation.ScaleUpDownEnum.SCALE_UP);
inFlip.setDuration(duration);
inFlip.setFillAfter(true);
inFlip.setInterpolator(interpolator == null ? new AccelerateInterpolator() : interpolator);
inFlip.setStartOffset(duration);
AnimationSet inAnimation = new AnimationSet(true);
inAnimation.addAnimation(inFlip);
result[1] = inAnimation;
return result;
}
/**
* Create a pair of {@link FlipAnimation} that can be used to flip 3D transition from {@code
* fromView} to {@code toView}. A typical use case is with {@link ViewAnimator} as an out and in
* transition.
*
* <p>NOTE: Avoid using this method. Instead, use {@link #flipTransition}.
*
* @param fromView the view transition away from
* @param toView the view transition to
* @param dir the flip direction
* @param duration the transition duration in milliseconds
* @param interpolator the interpolator to use (pass {@code null} to use the {@link
* AccelerateInterpolator} interpolator)
* @return
*/
public static Animation[] flipAnimation(
final View fromView, final View toView, FlipDirection dir, long duration) {
Animation[] result = new Animation[2];
float centerY;
centerY = fromView.getHeight() / 2.0f;
Animation outFlip =
new FlipAnimation(
dir.getStartDegreeForFirstView(),
dir.getEndDegreeForFirstView(),
true,
centerY,
dir,
fromView.getWidth());
outFlip.setDuration(duration);
outFlip.setFillAfter(true);
outFlip.setInterpolator(new AccelerateInterpolator());
AnimationSet outAnimation = new AnimationSet(true);
outAnimation.addAnimation(outFlip);
result[0] = outAnimation;
Animation inFlip =
new FlipAnimation(
dir.getStartDegreeForSecondView(),
dir.getEndDegreeForSecondView(),
false,
centerY,
dir,
fromView.getWidth());
inFlip.setDuration(duration);
inFlip.setFillAfter(true);
inFlip.setInterpolator(new DecelerateInterpolator());
inFlip.setStartOffset(duration);
AnimationSet inAnimation = new AnimationSet(true);
inAnimation.addAnimation(inFlip);
result[1] = inAnimation;
return result;
}