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fix: appbar滑动距离移除

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This commit is contained in:
guozhigq
2024-03-24 16:17:02 +08:00
parent 2cd8ab7d27
commit 1f75a7e781
1 changed files with 6 additions and 2 deletions
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8
lib/pages/video/detail/widgets/app_bar.dart
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@ -17,12 +17,16 @@ class ScrollAppBar extends StatelessWidget {
Widget build(BuildContext context) { Widget build(BuildContext context) {
final double statusBarHeight = MediaQuery.of(context).padding.top; final double statusBarHeight = MediaQuery.of(context).padding.top;
final videoHeight = MediaQuery.sizeOf(context).width * 9 / 16; final videoHeight = MediaQuery.sizeOf(context).width * 9 / 16;
double scrollDistance = scrollVal;
if (scrollVal > videoHeight - kToolbarHeight) {
scrollDistance = videoHeight - kToolbarHeight;
}
return Positioned( return Positioned(
top: -videoHeight + scrollVal + kToolbarHeight + 0.5, top: -videoHeight + scrollDistance + kToolbarHeight + 0.5,
left: 0, left: 0,
right: 0, right: 0,
child: Opacity( child: Opacity(
opacity: scrollVal / (videoHeight - kToolbarHeight), opacity: scrollDistance / (videoHeight - kToolbarHeight),
child: Container( child: Container(
height: statusBarHeight + kToolbarHeight, height: statusBarHeight + kToolbarHeight,
color: Theme.of(context).colorScheme.background, color: Theme.of(context).colorScheme.background,