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Closes #81

opt: SliverPersistentHeaderDelegate

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>
This commit is contained in:
bggRGjQaUbCoE
2025-01-01 11:46:23 +08:00
parent dda0fc15c7
commit 144a9b604a
17 changed files with 101 additions and 93 deletions
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33
lib/pages/dynamics/detail/view.dart
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@@ -1,6 +1,7 @@
import 'dart:async';
import 'dart:math';
import 'package:PiliPalaX/common/widgets/custom_sliver_persistent_header_delegate.dart';
import 'package:PiliPalaX/common/widgets/refresh_indicator.dart';
import 'package:PiliPalaX/http/loading_state.dart';
import 'package:PiliPalaX/pages/video/detail/reply/widgets/reply_item.dart';
@@ -398,7 +399,7 @@ class _DynamicDetailPageState extends State<DynamicDetailPage>
SliverPersistentHeader replyPersistentHeader(BuildContext context) {
return SliverPersistentHeader(
delegate: _MySliverPersistentHeaderDelegate(
delegate: CustomSliverPersistentHeaderDelegate(
child: Container(
color: Theme.of(context).colorScheme.surface,
height: 45,
@@ -531,33 +532,3 @@ class _DynamicDetailPageState extends State<DynamicDetailPage>
};
}
}
class _MySliverPersistentHeaderDelegate extends SliverPersistentHeaderDelegate {
final double _minExtent = 45;
final double _maxExtent = 45;
final Widget child;
_MySliverPersistentHeaderDelegate({required this.child});
@override
Widget build(
BuildContext context, double shrinkOffset, bool overlapsContent) {
//创建child子组件
//shrinkOffset：child偏移值minExtent~maxExtent
//overlapsContent：SliverPersistentHeader覆盖其他子组件返回true，否则返回false
return child;
}
//SliverPersistentHeader最大高度
@override
double get maxExtent => _maxExtent;
//SliverPersistentHeader最小高度
@override
double get minExtent => _minExtent;
@override
bool shouldRebuild(covariant _MySliverPersistentHeaderDelegate oldDelegate) {
return true;
}
}