Created
March 12, 2015 02:48
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Switching between views with reveal and hide animations
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private void setupView() { | |
mViewStateIndicator.setImageResource(mIsRevealed | |
? R.drawable.revealed | |
: R.drawable.not_revealed); | |
int hideTranslateY = -mToBeRevealedViewContainer.getHeight() / 4; // last 25% of animation | |
if (mIsRevealed && mToBeRevealedViewContainer.getTranslationY() == 0) { | |
// initial setup | |
mToBeRevealedViewContainer.setAlpha(0); | |
mToBeRevealedViewContainer.setTranslationY(hideTranslateY); | |
} | |
AnimatorSet set = new AnimatorSet(); | |
set.addListener(new AnimatorListenerAdapter() { | |
@Override | |
public void onAnimationEnd(Animator animation) { | |
mSoonToBeHiddedViewContainer.setVisibility(mIsRevealed | |
? View.INVISIBLE : View.VISIBLE); | |
mToBeRevealedViewContainer.setVisibility(mIsRevealed | |
? View.VISIBLE : View.INVISIBLE); | |
} | |
@Override | |
public void onAnimationCancel(Animator animation) { | |
onAnimationEnd(animation); | |
} | |
}); | |
if (mIsRevealed) { | |
mToBeRevealedViewContainer.setVisibility(View.VISIBLE); | |
AnimatorSet subSet = new AnimatorSet(); | |
subSet.playTogether( | |
ObjectAnimator.ofFloat(mToBeRevealedViewContainer, View.ALPHA, 1) | |
.setDuration(EXPAND_ANIM_DURATION), | |
ObjectAnimator.ofFloat(mToBeRevealedViewContainer, View.TRANSLATION_Y, 0) | |
.setDuration(EXPAND_ANIM_DURATION)); | |
set.playSequentially( | |
ObjectAnimator.ofFloat(mSoonToBeHiddedViewContainer, View.ALPHA, 0) | |
.setDuration(EXPAND_ANIM_DURATION), | |
subSet); | |
set.start(); | |
} else { | |
mSoonToBeHiddedViewContainer.setVisibility(View.VISIBLE); | |
AnimatorSet subSet = new AnimatorSet(); | |
subSet.playTogether( | |
ObjectAnimator.ofFloat(mToBeRevealedViewContainer, View.ALPHA, 0) | |
.setDuration(EXPAND_ANIM_DURATION), | |
ObjectAnimator.ofFloat(mToBeRevealedViewContainer, View.TRANSLATION_Y, | |
hideTranslateY) | |
.setDuration(EXPAND_ANIM_DURATION)); | |
set.playSequentially( | |
subSet, | |
ObjectAnimator.ofFloat(mSoonToBeHiddedViewContainer, View.ALPHA, 1) | |
.setDuration(EXPAND_ANIM_DURATION)); | |
set.start(); | |
} | |
set.start(); | |
} |
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