【Flutter 必备插件】go_router 路由及其跳转动画封装
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class RoutePaths {
static const String home = '/';
static const String detail = '/detail';
}
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import 'package:flutter/material.dart';
import '../pages/home_page.dart';
import '../pages/detail_page.dart';
import '../pages/not_found_page.dart';
class RouteHandlers {
static Widget Function(BuildContext, GoRouterState) home =
(context, state) => const HomePage();
static Widget Function(BuildContext, GoRouterState) detail =
(context, state) => DetailPage(id: state.queryParams['id'] ?? 'no-id');
}
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import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'route_paths.dart';
import 'route_handlers.dart';
class AppRouter {
static final GoRouter router = GoRouter(
routes: <RouteBase>[
GoRoute(
name: 'home',
path: RoutePaths.home,
builder: RouteHandlers.home,
),
GoRoute(
name: 'detail',
path: RoutePaths.detail,
builder: RouteHandlers.detail,
),
],
errorBuilder: (context, state) => const NotFoundPage(),
);
}
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import 'package:flutter/material.dart';
import 'routes/app_router.dart';
void main() => runApp(const MyApp());
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp.router(
routerConfig: AppRouter.router,
debugShowCheckedModeBanner: false,
);
}
}
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GoRouter.of(context).pushNamed(
'detail',
queryParams: {'id': '123'},
);
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GoRouter.of(context).pop();
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GoRouter(
redirect: (state) {
final isLoggedIn = _checkIfLoggedIn();
if (!isLoggedIn && state.subloc != RoutePaths.home) {
return RoutePaths.home;
}
return null;
},
// ...
)
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import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
class AppTransitions {
static Page<T> buildSlideTransition<T>(GoRouterState state, Widget child) {
return CustomTransitionPage<T>(
key: state.pageKey,
child: child,
transitionsBuilder: (context, animation, secondaryAnimation, child) {
return SlideTransition(
position: Tween<Offset>(
begin: const Offset(1.0, 0.0),
end: Offset.zero,
).animate(animation),
child: child,
);
},
);
}
static Page<T> buildFadeTransition<T>(GoRouterState state, Widget child) {
return CustomTransitionPage<T>(
key: state.pageKey,
child: child,
transitionsBuilder: (context, animation, secondaryAnimation, child) {
return FadeTransition(opacity: animation, child: child);
},
);
}
static Page<T> buildScaleTransition<T>(GoRouterState state, Widget child) {
return CustomTransitionPage<T>(
key: state.pageKey,
child: child,
transitionsBuilder: (context, animation, secondaryAnimation, child) {
return ScaleTransition(
scale: Tween<double>(begin: 0.8, end: 1.0).animate(animation),
child: child,
);
},
);
}
}