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Add Animated Page Transitions for Bottom Navigation Tabs #191

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merged 2 commits into from
Jun 29, 2024
Merged

Add Animated Page Transitions for Bottom Navigation Tabs #191

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ae53675
adding_animation_tab_switching
VITianLalit Jun 25, 2024
452b636
Merge branch 'master' into tab_switch_animation
sapatevaibhav Jun 28, 2024
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40 changes: 30 additions & 10 deletions lib/pages/main_home.dart
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Original file line number Diff line number Diff line change
@@ -1,16 +1,14 @@


import 'package:adaptive_theme/adaptive_theme.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:learn/cubit/index_cubit.dart';
import 'package:learn/main.dart';
import 'package:learn/pages/about.dart';
import 'package:learn/pages/explore/explore.dart';
import 'package:learn/pages/favorite.dart';
import 'package:learn/pages/home.dart';
import 'package:learn/widgets/navbar/navbar.dart';
import 'package:adaptive_theme/adaptive_theme.dart';

class MainHome extends StatefulWidget {
final AdaptiveThemeMode? savedThemeMode;
Expand All @@ -25,6 +23,15 @@ class MainHome extends StatefulWidget {
}

class _MainHomeState extends State<MainHome> {
late PageController _pageController;
DateTime? currentBackPressTime;

@override
void initState() {
super.initState();
_pageController = PageController();
}

bool _onBackPressed(bool canPop) {
DateTime now = DateTime.now();
if (currentBackPressTime == null ||
Expand All @@ -42,6 +49,12 @@ class _MainHomeState extends State<MainHome> {
return canPop;
}

@override
void dispose() {
_pageController.dispose();
super.dispose();
}

@override
Widget build(BuildContext context) {
return PopScope(
Expand All @@ -55,13 +68,20 @@ class _MainHomeState extends State<MainHome> {
child: BlocBuilder<IndexCubit, int>(
builder: (context, index) {
return Scaffold(
body: const [
MyHomePage(),
ExplorePage(),
FavoritePage(),
AboutPage(),
][index],
bottomNavigationBar: const BottomNavBar(),
body: PageView(
controller: _pageController,
children: const [
MyHomePage(),
ExplorePage(),
FavoritePage(),
AboutPage(),
],
onPageChanged: (index) {
context.read<IndexCubit>().changeIndex(index);
},
),
bottomNavigationBar:
BottomNavBar(pageController: _pageController),
);
},
),
Expand Down
13 changes: 12 additions & 1 deletion lib/widgets/navbar/navbar.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,12 @@ import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:learn/cubit/index_cubit.dart';

class BottomNavBar extends StatefulWidget {
const BottomNavBar({super.key});
final PageController pageController;

const BottomNavBar({
super.key,
required this.pageController,
});

@override
State<BottomNavBar> createState() => _BottomNavBarState();
Expand All @@ -18,6 +23,12 @@ class _BottomNavBarState extends State<BottomNavBar> {
return NavigationBar(
selectedIndex: currentPageIndex,
onDestinationSelected: (index) {
// Animate to the selected page
widget.pageController.animateToPage(
index,
duration: const Duration(milliseconds: 300),
curve: Curves.easeInOut,
);
context.read<IndexCubit>().changeIndex(index);
},
destinations: const [
Expand Down