public ObjectAnimator getDisappearAnimator() {
if (!mIsInitialized || !mDrawValuesReady) {
Log.e(TAG, "RadialSelectorView was not ready for animation.");
return null;
}
Keyframe kf0, kf1, kf2;
float midwayPoint = 0.2f;
int duration = 500;
kf0 = Keyframe.ofFloat(0f, 1);
kf1 = Keyframe.ofFloat(midwayPoint, mTransitionMidRadiusMultiplier);
kf2 = Keyframe.ofFloat(1f, mTransitionEndRadiusMultiplier);
PropertyValuesHolder radiusDisappear =
PropertyValuesHolder.ofKeyframe("animationRadiusMultiplier", kf0, kf1, kf2);
kf0 = Keyframe.ofFloat(0f, 1f);
kf1 = Keyframe.ofFloat(1f, 0f);
PropertyValuesHolder fadeOut = PropertyValuesHolder.ofKeyframe("alpha", kf0, kf1);
ObjectAnimator disappearAnimator =
ObjectAnimator.ofPropertyValuesHolder(this, radiusDisappear, fadeOut).setDuration(duration);
disappearAnimator.addUpdateListener(mInvalidateUpdateListener);
return disappearAnimator;
}
public static ObjectAnimator tada(View view, float shakeFactor) {
PropertyValuesHolder pvhScaleX =
PropertyValuesHolder.ofKeyframe(
View.SCALE_X,
Keyframe.ofFloat(0f, 1f),
Keyframe.ofFloat(.1f, .9f),
Keyframe.ofFloat(.2f, .9f),
Keyframe.ofFloat(.3f, 1.1f),
Keyframe.ofFloat(.4f, 1.1f),
Keyframe.ofFloat(.5f, 1.1f),
Keyframe.ofFloat(.6f, 1.1f),
Keyframe.ofFloat(.7f, 1.1f),
Keyframe.ofFloat(.8f, 1.1f),
Keyframe.ofFloat(.9f, 1.1f),
Keyframe.ofFloat(1f, 1f));
PropertyValuesHolder pvhScaleY =
PropertyValuesHolder.ofKeyframe(
View.SCALE_Y,
Keyframe.ofFloat(0f, 1f),
Keyframe.ofFloat(.1f, .9f),
Keyframe.ofFloat(.2f, .9f),
Keyframe.ofFloat(.3f, 1.1f),
Keyframe.ofFloat(.4f, 1.1f),
Keyframe.ofFloat(.5f, 1.1f),
Keyframe.ofFloat(.6f, 1.1f),
Keyframe.ofFloat(.7f, 1.1f),
Keyframe.ofFloat(.8f, 1.1f),
Keyframe.ofFloat(.9f, 1.1f),
Keyframe.ofFloat(1f, 1f));
PropertyValuesHolder pvhRotate =
PropertyValuesHolder.ofKeyframe(
View.ROTATION,
Keyframe.ofFloat(0f, 0f),
Keyframe.ofFloat(.1f, -3f * shakeFactor),
Keyframe.ofFloat(.2f, -3f * shakeFactor),
Keyframe.ofFloat(.3f, 3f * shakeFactor),
Keyframe.ofFloat(.4f, -3f * shakeFactor),
Keyframe.ofFloat(.5f, 3f * shakeFactor),
Keyframe.ofFloat(.6f, -3f * shakeFactor),
Keyframe.ofFloat(.7f, 3f * shakeFactor),
Keyframe.ofFloat(.8f, -3f * shakeFactor),
Keyframe.ofFloat(.9f, 3f * shakeFactor),
Keyframe.ofFloat(1f, 0));
return ObjectAnimator.ofPropertyValuesHolder(view, pvhScaleX, pvhScaleY, pvhRotate)
.setDuration(1000);
}
/** Render the animations for appearing and disappearing. */
private void renderAnimations() {
Keyframe kf0, kf1, kf2, kf3;
float midwayPoint = 0.2f;
int duration = 500;
// Set up animator for disappearing.
kf0 = Keyframe.ofFloat(0f, 1);
kf1 = Keyframe.ofFloat(midwayPoint, mTransitionMidRadiusMultiplier);
kf2 = Keyframe.ofFloat(1f, mTransitionEndRadiusMultiplier);
PropertyValuesHolder radiusDisappear =
PropertyValuesHolder.ofKeyframe("animationRadiusMultiplier", kf0, kf1, kf2);
kf0 = Keyframe.ofFloat(0f, 1f);
kf1 = Keyframe.ofFloat(1f, 0f);
PropertyValuesHolder fadeOut = PropertyValuesHolder.ofKeyframe("alpha", kf0, kf1);
mDisappearAnimator =
ObjectAnimator.ofPropertyValuesHolder(this, radiusDisappear, fadeOut).setDuration(duration);
mDisappearAnimator.addUpdateListener(mInvalidateUpdateListener);
// Set up animator for reappearing.
float delayMultiplier = 0.25f;
float transitionDurationMultiplier = 1f;
float totalDurationMultiplier = transitionDurationMultiplier + delayMultiplier;
int totalDuration = (int) (duration * totalDurationMultiplier);
float delayPoint = (delayMultiplier * duration) / totalDuration;
midwayPoint = 1 - (midwayPoint * (1 - delayPoint));
kf0 = Keyframe.ofFloat(0f, mTransitionEndRadiusMultiplier);
kf1 = Keyframe.ofFloat(delayPoint, mTransitionEndRadiusMultiplier);
kf2 = Keyframe.ofFloat(midwayPoint, mTransitionMidRadiusMultiplier);
kf3 = Keyframe.ofFloat(1f, 1);
PropertyValuesHolder radiusReappear =
PropertyValuesHolder.ofKeyframe("animationRadiusMultiplier", kf0, kf1, kf2, kf3);
kf0 = Keyframe.ofFloat(0f, 0f);
kf1 = Keyframe.ofFloat(delayPoint, 0f);
kf2 = Keyframe.ofFloat(1f, 1f);
PropertyValuesHolder fadeIn = PropertyValuesHolder.ofKeyframe("alpha", kf0, kf1, kf2);
mReappearAnimator =
ObjectAnimator.ofPropertyValuesHolder(this, radiusReappear, fadeIn)
.setDuration(totalDuration);
mReappearAnimator.addUpdateListener(mInvalidateUpdateListener);
}
public ObjectAnimator getReappearAnimator() {
if (!mIsInitialized || !mDrawValuesReady) {
Log.e(TAG, "RadialSelectorView was not ready for animation.");
return null;
}
Keyframe kf0, kf1, kf2, kf3;
float midwayPoint = 0.2f;
int duration = 500;
// The time points are half of what they would normally be, because this animation is
// staggered against the disappear so they happen seamlessly. The reappear starts
// halfway into the disappear.
float delayMultiplier = 0.25f;
float transitionDurationMultiplier = 1f;
float totalDurationMultiplier = transitionDurationMultiplier + delayMultiplier;
int totalDuration = (int) (duration * totalDurationMultiplier);
float delayPoint = (delayMultiplier * duration) / totalDuration;
midwayPoint = 1 - (midwayPoint * (1 - delayPoint));
kf0 = Keyframe.ofFloat(0f, mTransitionEndRadiusMultiplier);
kf1 = Keyframe.ofFloat(delayPoint, mTransitionEndRadiusMultiplier);
kf2 = Keyframe.ofFloat(midwayPoint, mTransitionMidRadiusMultiplier);
kf3 = Keyframe.ofFloat(1f, 1);
PropertyValuesHolder radiusReappear =
PropertyValuesHolder.ofKeyframe("animationRadiusMultiplier", kf0, kf1, kf2, kf3);
kf0 = Keyframe.ofFloat(0f, 0f);
kf1 = Keyframe.ofFloat(delayPoint, 0f);
kf2 = Keyframe.ofFloat(1f, 1f);
PropertyValuesHolder fadeIn = PropertyValuesHolder.ofKeyframe("alpha", kf0, kf1, kf2);
ObjectAnimator reappearAnimator =
ObjectAnimator.ofPropertyValuesHolder(this, radiusReappear, fadeIn)
.setDuration(totalDuration);
reappearAnimator.addUpdateListener(mInvalidateUpdateListener);
return reappearAnimator;
}
public static ObjectAnimator nope(View view) {
int delta = view.getResources().getDimensionPixelOffset(R.dimen.spacing_medium);
PropertyValuesHolder pvhTranslateX =
PropertyValuesHolder.ofKeyframe(
View.TRANSLATION_X,
Keyframe.ofFloat(0f, 0),
Keyframe.ofFloat(.10f, -delta),
Keyframe.ofFloat(.26f, delta),
Keyframe.ofFloat(.42f, -delta),
Keyframe.ofFloat(.58f, delta),
Keyframe.ofFloat(.74f, -delta),
Keyframe.ofFloat(.90f, delta),
Keyframe.ofFloat(1f, 0f));
return ObjectAnimator.ofPropertyValuesHolder(view, pvhTranslateX).setDuration(500);
}
private void createCustomAnimations(LayoutTransition transition) {
// Changing while Adding
PropertyValuesHolder pvhLeft = PropertyValuesHolder.ofInt("left", 0, 1);
PropertyValuesHolder pvhTop = PropertyValuesHolder.ofInt("top", 0, 1);
PropertyValuesHolder pvhRight = PropertyValuesHolder.ofInt("right", 0, 1);
PropertyValuesHolder pvhBottom = PropertyValuesHolder.ofInt("bottom", 0, 1);
PropertyValuesHolder pvhScaleX = PropertyValuesHolder.ofFloat("scaleX", 1f, 0f, 1f);
PropertyValuesHolder pvhScaleY = PropertyValuesHolder.ofFloat("scaleY", 1f, 0f, 1f);
customChangingAppearingAnim =
ObjectAnimator.ofPropertyValuesHolder(
this, pvhLeft, pvhTop, pvhRight, pvhBottom, pvhScaleX, pvhScaleY)
.setDuration(transition.getDuration(LayoutTransition.CHANGE_APPEARING));
customChangingAppearingAnim.addListener(
new AnimatorListenerAdapter() {
public void onAnimationEnd(Animator anim) {
View view = (View) ((ObjectAnimator) anim).getTarget();
view.setScaleX(1f);
view.setScaleY(1f);
}
});
// Changing while Removing
Keyframe kf0 = Keyframe.ofFloat(0f, 0f);
Keyframe kf1 = Keyframe.ofFloat(.9999f, 360f);
Keyframe kf2 = Keyframe.ofFloat(1f, 0f);
PropertyValuesHolder pvhRotation = PropertyValuesHolder.ofKeyframe("rotation", kf0, kf1, kf2);
customChangingDisappearingAnim =
ObjectAnimator.ofPropertyValuesHolder(
this, pvhLeft, pvhTop, pvhRight, pvhBottom, pvhRotation)
.setDuration(transition.getDuration(LayoutTransition.CHANGE_DISAPPEARING));
customChangingDisappearingAnim.addListener(
new AnimatorListenerAdapter() {
public void onAnimationEnd(Animator anim) {
View view = (View) ((ObjectAnimator) anim).getTarget();
view.setRotation(0f);
}
});
// Adding
customAppearingAnim =
ObjectAnimator.ofFloat(null, "rotationY", 90f, 0f)
.setDuration(transition.getDuration(LayoutTransition.APPEARING));
customAppearingAnim.addListener(
new AnimatorListenerAdapter() {
public void onAnimationEnd(Animator anim) {
View view = (View) ((ObjectAnimator) anim).getTarget();
view.setRotationY(0f);
}
});
// Removing
customDisappearingAnim =
ObjectAnimator.ofFloat(null, "rotationX", 0f, 90f)
.setDuration(transition.getDuration(LayoutTransition.DISAPPEARING));
customDisappearingAnim.addListener(
new AnimatorListenerAdapter() {
public void onAnimationEnd(Animator anim) {
View view = (View) ((ObjectAnimator) anim).getTarget();
view.setRotationX(0f);
}
});
}