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Fix incorrect appbar lift state when opening MangaController in hidden state (#5990)

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Ivan Iskandar 2021-10-01 20:13:00 +07:00 committed by GitHub
parent 7ed25704d6
commit 09f0ac866f
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 10 deletions
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18
app/src/main/java/com/google/android/material/appbar/HideToolbarOnScrollBehavior.kt
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@ -77,6 +77,10 @@ class HideToolbarOnScrollBehavior : AppBarLayout.Behavior() {
child: AppBarLayout, child: AppBarLayout,
isVisible: Boolean isVisible: Boolean
) { ) {
val current = getTopBottomOffsetForScrollingSibling(child)
val target = if (isVisible) 0 else -toolbarHeight
if (current == target) return
offsetAnimator?.cancel() offsetAnimator?.cancel()
offsetAnimator = ValueAnimator().apply { offsetAnimator = ValueAnimator().apply {
interpolator = DecelerateInterpolator() interpolator = DecelerateInterpolator()
@ -85,18 +89,12 @@ class HideToolbarOnScrollBehavior : AppBarLayout.Behavior() {
setHeaderTopBottomOffset(coordinatorLayout, child, it.animatedValue as Int) setHeaderTopBottomOffset(coordinatorLayout, child, it.animatedValue as Int)
} }
doOnEnd { doOnEnd {
if (!isVisible && if ((child as? ElevationAppBarLayout)?.isTransparentWhenNotLifted == true) {
!child.isLifted && child.isLifted = !isVisible
(child as? ElevationAppBarLayout)?.isTransparentWhenNotLifted == true
) {
child.isLifted = true
} }
} }
setIntValues(current, target)
start()
} }
offsetAnimator?.setIntValues(
getTopBottomOffsetForScrollingSibling(child),
if (isVisible) 0 else -toolbarHeight
)
offsetAnimator?.start()
} }
} }