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opt: AppBar渐变背景

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This commit is contained in:
guozhigq
2024-07-06 23:43:50 +08:00
parent 2a096a91e0
commit 2c2df55704
8 changed files with 162 additions and 187 deletions
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149
lib/pages/home/view.dart
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@ -46,104 +46,66 @@ class _HomePageState extends State<HomePage>
@override
Widget build(BuildContext context) {
super.build(context);
Brightness currentBrightness = MediaQuery.of(context).platformBrightness;
// 设置状态栏图标的亮度
if (_homeController.enableGradientBg) {
SystemChrome.setSystemUIOverlayStyle(SystemUiOverlayStyle(
statusBarIconBrightness: currentBrightness == Brightness.light
? Brightness.dark
: Brightness.light,
));
}
return Scaffold(
extendBody: true,
extendBodyBehindAppBar: true,
appBar: _homeController.enableGradientBg
? null
: AppBar(toolbarHeight: 0, elevation: 0),
body: Stack(
backgroundColor: Colors.transparent,
appBar: AppBar(
toolbarHeight: 0,
elevation: 0,
backgroundColor: Colors.transparent,
systemOverlayStyle: Theme.of(context).brightness == Brightness.dark
? SystemUiOverlayStyle.light
: SystemUiOverlayStyle.dark,
),
body: Column(
children: [
// gradient background
if (_homeController.enableGradientBg) ...[
Align(
alignment: Alignment.topLeft,
child: Opacity(
opacity: 0.6,
child: Container(
width: MediaQuery.of(context).size.width,
height: MediaQuery.of(context).size.height,
decoration: BoxDecoration(
gradient: LinearGradient(
colors: [
Theme.of(context)
.colorScheme
.primary
.withOpacity(0.4),
Theme.of(context)
.colorScheme
.surface
.withOpacity(0.5),
Theme.of(context).colorScheme.surface
],
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
stops: const [0.1, 0.3, 0.5]),
CustomAppBar(
stream: _homeController.hideSearchBar
? stream
: StreamController<bool>.broadcast().stream,
ctr: _homeController,
callback: showUserBottomSheet,
),
if (_homeController.tabs.length > 1) ...[
if (_homeController.enableGradientBg) ...[
const CustomTabs(),
] else ...[
Container(
width: double.infinity,
height: 42,
padding: const EdgeInsets.only(top: 4),
child: Align(
alignment: Alignment.center,
child: TabBar(
controller: _homeController.tabController,
tabs: [
for (var i in _homeController.tabs) Tab(text: i['label'])
],
isScrollable: true,
dividerColor: Colors.transparent,
enableFeedback: true,
splashBorderRadius: BorderRadius.circular(10),
tabAlignment: TabAlignment.center,
onTap: (value) {
feedBack();
if (_homeController.initialIndex.value == value) {
_homeController.tabsCtrList[value]().animateToTop();
}
_homeController.initialIndex.value = value;
},
),
),
),
),
],
Column(
children: [
CustomAppBar(
stream: _homeController.hideSearchBar
? stream
: StreamController<bool>.broadcast().stream,
ctr: _homeController,
callback: showUserBottomSheet,
),
if (_homeController.tabs.length > 1) ...[
if (_homeController.enableGradientBg) ...[
const CustomTabs(),
] else ...[
const SizedBox(height: 4),
SizedBox(
width: double.infinity,
height: 42,
child: Align(
alignment: Alignment.center,
child: TabBar(
controller: _homeController.tabController,
tabs: [
for (var i in _homeController.tabs)
Tab(text: i['label'])
],
isScrollable: true,
dividerColor: Colors.transparent,
enableFeedback: true,
splashBorderRadius: BorderRadius.circular(10),
tabAlignment: TabAlignment.center,
onTap: (value) {
feedBack();
if (_homeController.initialIndex.value == value) {
_homeController.tabsCtrList[value]().animateToTop();
}
_homeController.initialIndex.value = value;
},
),
),
),
],
] else ...[
const SizedBox(height: 6),
],
Expanded(
child: TabBarView(
controller: _homeController.tabController,
children: _homeController.tabsPageList,
),
),
],
] else ...[
const SizedBox(height: 6),
],
Expanded(
child: TabBarView(
controller: _homeController.tabController,
children: _homeController.tabsPageList,
),
),
],
),
@ -280,7 +242,10 @@ class DefaultUser extends StatelessWidget {
style: ButtonStyle(
padding: MaterialStateProperty.all(EdgeInsets.zero),
backgroundColor: MaterialStateProperty.resolveWith((states) {
return Theme.of(context).colorScheme.onInverseSurface;
return Theme.of(context)
.colorScheme
.onSecondaryContainer
.withOpacity(0.05);
}),
),
onPressed: () => callback?.call(),
@ -317,7 +282,7 @@ class _CustomTabsState extends State<CustomTabs> {
Widget build(BuildContext context) {
return Container(
height: 44,
margin: const EdgeInsets.only(top: 4),
margin: const EdgeInsets.only(top: 8),
child: Obx(
() => ListView.separated(
padding: const EdgeInsets.symmetric(horizontal: 14.0),