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codelab_rebuild.yaml
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name: Adaptive App rebuild script
steps:
- name: step_03
steps:
- name: Remove generated code
rmdir: step_03
- name: Create project
flutter: create adaptive_app
- name: Strip DEVELOPMENT_TEAM
strip-lines-containing: DEVELOPMENT_TEAM =
path: adaptive_app/ios/Runner.xcodeproj/project.pbxproj
- name: Configure analysis_options.yaml
path: adaptive_app/analysis_options.yaml
replace-contents: |
include: ../../analysis_options.yaml
linter:
rules:
avoid_print: false
- name: Remove README
rm: adaptive_app/README.md
- name: Add .vscode directory
mkdir: adaptive_app/.vscode
- name: Add .vscode/launch.json
path: adaptive_app/.vscode/launch.json
replace-contents: |
{
// Use IntelliSense to learn about possible attributes.
// Hover to view descriptions of existing attributes.
// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
"version": "0.2.0",
"configurations": [
{
"name": "adaptive_app",
"request": "launch",
"type": "dart"
}
]
}
- name: Replace lib/main.dart
path: adaptive_app/lib/main.dart
replace-contents: |
// Copyright 2022 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:io' show Platform;
import 'package:flutter/foundation.dart' show kIsWeb;
import 'package:flutter/material.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
),
home: const ResizeablePage(),
);
}
}
class ResizeablePage extends StatelessWidget {
const ResizeablePage({super.key});
@override
Widget build(BuildContext context) {
final mediaQuery = MediaQuery.of(context);
final themePlatform = Theme.of(context).platform;
return Scaffold(
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Text(
'Window properties',
style: Theme.of(context).textTheme.headlineSmall,
),
const SizedBox(height: 8),
SizedBox(
width: 350,
child: Table(
textBaseline: TextBaseline.alphabetic,
children: <TableRow>[
_fillTableRow(
context: context,
property: 'Window Size',
value:
'${mediaQuery.size.width.toStringAsFixed(1)} x '
'${mediaQuery.size.height.toStringAsFixed(1)}',
),
_fillTableRow(
context: context,
property: 'Device Pixel Ratio',
value: mediaQuery.devicePixelRatio.toStringAsFixed(2),
),
_fillTableRow(
context: context,
property: 'Platform.isXXX',
value: platformDescription(),
),
_fillTableRow(
context: context,
property: 'Theme.of(ctx).platform',
value: themePlatform.toString(),
),
],
),
),
],
),
),
);
}
TableRow _fillTableRow({
required BuildContext context,
required String property,
required String value,
}) {
return TableRow(
children: [
TableCell(
verticalAlignment: TableCellVerticalAlignment.baseline,
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Text(property),
),
),
TableCell(
verticalAlignment: TableCellVerticalAlignment.baseline,
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Text(value),
),
),
],
);
}
String platformDescription() {
if (kIsWeb) {
return 'Web';
} else if (Platform.isAndroid) {
return 'Android';
} else if (Platform.isIOS) {
return 'iOS';
} else if (Platform.isWindows) {
return 'Windows';
} else if (Platform.isMacOS) {
return 'macOS';
} else if (Platform.isLinux) {
return 'Linux';
} else if (Platform.isFuchsia) {
return 'Fuchsia';
} else {
return 'Unknown';
}
}
}
- name: Replace test/widget_test.dart
path: adaptive_app/test/widget_test.dart
replace-contents: |
// This is a basic Flutter widget test.
//
// To perform an interaction with a widget in your test, use the WidgetTester
// utility in the flutter_test package. For example, you can send tap and scroll
// gestures. You can also use WidgetTester to find child widgets in the widget
// tree, read text, and verify that the values of widget properties are correct.
import 'package:adaptive_app/main.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('Counter increments smoke test', (tester) async {
// Build our app and trigger a frame.
await tester.pumpWidget(const MyApp());
});
}
- name: Upgrade deps
path: adaptive_app
flutter: pub upgrade --major-versions
- name: Build iOS simulator bundle
platforms: [ macos ]
path: adaptive_app
flutter: build ios --simulator
- name: Build macOS app
platforms: [ macos ]
path: adaptive_app
flutter: build macos
- name: Build Linux app
platforms: [ linux ]
path: adaptive_app
flutter: build linux
- name: Build Windows app
platforms: [ windows ]
path: adaptive_app
flutter: build windows
- name: Copy step_03
copydir:
from: adaptive_app
to: step_03
- name: Flutter clean
path: step_03
flutter: clean
- name: step_04
steps:
- name: Remove generated code
rmdir: step_04
- name: Add googleapis http provider url_launcher flex_color_scheme go_router
path: adaptive_app
flutter: pub add googleapis http provider url_launcher flex_color_scheme go_router
- name: Patch android/app/src/main/AndroidManifest.xml
path: adaptive_app/android/app/src/main/AndroidManifest.xml
patch-u: |
--- b/adaptive_app/step_04/android/app/src/main/AndroidManifest.xml
+++ a/adaptive_app/step_04/android/app/src/main/AndroidManifest.xml
@@ -31,6 +31,21 @@
android:name="flutterEmbedding"
android:value="2" />
</application>
+ <!-- https://pub.dev/packages/url_launcher#android -->
+ <queries>
+ <intent>
+ <action android:name="android.intent.action.VIEW" />
+ <data android:scheme="https" />
+ </intent>
+ <intent>
+ <action android:name="android.intent.action.DIAL" />
+ <data android:scheme="tel" />
+ </intent>
+ <intent>
+ <action android:name="android.intent.action.SEND" />
+ <data android:mimeType="*/*" />
+ </intent>
+ </queries>
<!-- Required to query activities that can process text, see:
https://developer.android.com/training/package-visibility and
https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
- name: Patch ios/Runner/Info.plist
path: adaptive_app/ios/Runner/Info.plist
patch-u: |
--- b/adaptive_app/step_04/ios/Runner/Info.plist
+++ a/adaptive_app/step_04/ios/Runner/Info.plist
@@ -45,5 +45,13 @@
<true/>
<key>UIApplicationSupportsIndirectInputEvents</key>
<true/>
+ <!-- https://pub.dev/packages/url_launcher#ios -->
+ <key>LSApplicationQueriesSchemes</key>
+ <array>
+ <string>https</string>
+ <string>http</string>
+ <string>tel</string>
+ <string>mailto</string>
+ </array>
</dict>
</plist>
- name: Replace adaptive_app/lib/main.dart
path: adaptive_app/lib/main.dart
replace-contents: |
// Copyright 2022 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:io';
import 'package:flex_color_scheme/flex_color_scheme.dart';
import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:provider/provider.dart';
import 'src/app_state.dart';
import 'src/playlist_details.dart';
import 'src/playlists.dart';
// From https://www.youtube.com/channel/UCwXdFgeE9KYzlDdR7TG9cMw
const flutterDevAccountId = 'UCwXdFgeE9KYzlDdR7TG9cMw';
// TODO: Replace with your YouTube API Key
const youTubeApiKey = 'AIzaNotAnApiKey';
final _router = GoRouter(
routes: <RouteBase>[
GoRoute(
path: '/',
builder: (context, state) {
return const Playlists();
},
routes: <RouteBase>[
GoRoute(
path: 'playlist/:id',
builder: (context, state) {
final title = state.uri.queryParameters['title']!;
final id = state.pathParameters['id']!;
return PlaylistDetails(playlistId: id, playlistName: title);
},
),
],
),
],
);
void main() {
if (youTubeApiKey == 'AIzaNotAnApiKey') {
print('youTubeApiKey has not been configured.');
exit(1);
}
runApp(
ChangeNotifierProvider<FlutterDevPlaylists>(
create:
(context) => FlutterDevPlaylists(
flutterDevAccountId: flutterDevAccountId,
youTubeApiKey: youTubeApiKey,
),
child: const PlaylistsApp(),
),
);
}
class PlaylistsApp extends StatelessWidget {
const PlaylistsApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp.router(
title: 'FlutterDev Playlists',
theme: FlexColorScheme.light(scheme: FlexScheme.red).toTheme,
darkTheme: FlexColorScheme.dark(scheme: FlexScheme.red).toTheme,
themeMode: ThemeMode.dark, // Or ThemeMode.System if you'd prefer
debugShowCheckedModeBanner: false,
routerConfig: _router,
);
}
}
- name: Make lib/src directory
path: adaptive_app
mkdir: lib/src
- name: Add app_state.dart
path: adaptive_app/lib/src/app_state.dart
replace-contents: |
// Copyright 2022 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:collection';
import 'package:flutter/foundation.dart';
import 'package:googleapis/youtube/v3.dart';
import 'package:http/http.dart' as http;
class FlutterDevPlaylists extends ChangeNotifier {
FlutterDevPlaylists({
required String flutterDevAccountId,
required String youTubeApiKey,
}) : _flutterDevAccountId = flutterDevAccountId {
_api = YouTubeApi(_ApiKeyClient(client: http.Client(), key: youTubeApiKey));
_loadPlaylists();
}
Future<void> _loadPlaylists() async {
String? nextPageToken;
_playlists.clear();
do {
final response = await _api.playlists.list(
['snippet', 'contentDetails', 'id'],
channelId: _flutterDevAccountId,
maxResults: 50,
pageToken: nextPageToken,
);
_playlists.addAll(response.items!);
_playlists.sort(
(a, b) => a.snippet!.title!.toLowerCase().compareTo(
b.snippet!.title!.toLowerCase(),
),
);
notifyListeners();
nextPageToken = response.nextPageToken;
} while (nextPageToken != null);
}
final String _flutterDevAccountId;
late final YouTubeApi _api;
final List<Playlist> _playlists = [];
List<Playlist> get playlists => UnmodifiableListView(_playlists);
final Map<String, List<PlaylistItem>> _playlistItems = {};
List<PlaylistItem> playlistItems({required String playlistId}) {
if (!_playlistItems.containsKey(playlistId)) {
_playlistItems[playlistId] = [];
_retrievePlaylist(playlistId);
}
return UnmodifiableListView(_playlistItems[playlistId]!);
}
Future<void> _retrievePlaylist(String playlistId) async {
String? nextPageToken;
do {
var response = await _api.playlistItems.list(
['snippet', 'contentDetails'],
playlistId: playlistId,
maxResults: 25,
pageToken: nextPageToken,
);
var items = response.items;
if (items != null) {
_playlistItems[playlistId]!.addAll(items);
}
notifyListeners();
nextPageToken = response.nextPageToken;
} while (nextPageToken != null);
}
}
class _ApiKeyClient extends http.BaseClient {
_ApiKeyClient({required this.key, required this.client});
final String key;
final http.Client client;
@override
Future<http.StreamedResponse> send(http.BaseRequest request) {
final url = request.url.replace(
queryParameters: <String, List<String>>{
...request.url.queryParametersAll,
'key': [key],
},
);
return client.send(http.Request(request.method, url));
}
}
- name: Add playlist_details.dart
path: adaptive_app/lib/src/playlist_details.dart
replace-contents: |
// Copyright 2022 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/material.dart';
import 'package:googleapis/youtube/v3.dart';
import 'package:provider/provider.dart';
import 'package:url_launcher/link.dart';
import 'app_state.dart';
class PlaylistDetails extends StatelessWidget {
const PlaylistDetails({
required this.playlistId,
required this.playlistName,
super.key,
});
final String playlistId;
final String playlistName;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: Text(playlistName)),
body: Consumer<FlutterDevPlaylists>(
builder: (context, playlists, _) {
final playlistItems = playlists.playlistItems(playlistId: playlistId);
if (playlistItems.isEmpty) {
return const Center(child: CircularProgressIndicator());
}
return _PlaylistDetailsListView(playlistItems: playlistItems);
},
),
);
}
}
class _PlaylistDetailsListView extends StatelessWidget {
const _PlaylistDetailsListView({required this.playlistItems});
final List<PlaylistItem> playlistItems;
@override
Widget build(BuildContext context) {
return ListView.builder(
itemCount: playlistItems.length,
itemBuilder: (context, index) {
final playlistItem = playlistItems[index];
return Padding(
padding: const EdgeInsets.all(8.0),
child: ClipRRect(
borderRadius: BorderRadius.circular(4),
child: Stack(
alignment: Alignment.center,
children: [
if (playlistItem.snippet!.thumbnails!.high != null)
Image.network(playlistItem.snippet!.thumbnails!.high!.url!),
_buildGradient(context),
_buildTitleAndSubtitle(context, playlistItem),
_buildPlayButton(context, playlistItem),
],
),
),
);
},
);
}
Widget _buildGradient(BuildContext context) {
return Positioned.fill(
child: DecoratedBox(
decoration: BoxDecoration(
gradient: LinearGradient(
colors: [Colors.transparent, Theme.of(context).colorScheme.surface],
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
stops: const [0.5, 0.95],
),
),
),
);
}
Widget _buildTitleAndSubtitle(
BuildContext context,
PlaylistItem playlistItem,
) {
return Positioned(
left: 20,
right: 0,
bottom: 20,
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
playlistItem.snippet!.title!,
style: Theme.of(context).textTheme.bodyLarge!.copyWith(
fontSize: 18,
// fontWeight: FontWeight.bold,
),
),
if (playlistItem.snippet!.videoOwnerChannelTitle != null)
Text(
playlistItem.snippet!.videoOwnerChannelTitle!,
style: Theme.of(
context,
).textTheme.bodyMedium!.copyWith(fontSize: 12),
),
],
),
);
}
Widget _buildPlayButton(BuildContext context, PlaylistItem playlistItem) {
return Stack(
alignment: AlignmentDirectional.center,
children: [
Container(
width: 42,
height: 42,
decoration: const BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.all(Radius.circular(21)),
),
),
Link(
uri: Uri.parse(
'https://www.youtube.com/watch?v=${playlistItem.snippet!.resourceId!.videoId}',
),
builder:
(context, followLink) => IconButton(
onPressed: followLink,
color: Colors.red,
icon: const Icon(Icons.play_circle_fill),
iconSize: 45,
),
),
],
);
}
}
- name: Add playlists.dart
path: adaptive_app/lib/src/playlists.dart
replace-contents: |
// Copyright 2022 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:googleapis/youtube/v3.dart';
import 'package:provider/provider.dart';
import 'app_state.dart';
class Playlists extends StatelessWidget {
const Playlists({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text('FlutterDev Playlists')),
body: Consumer<FlutterDevPlaylists>(
builder: (context, flutterDev, child) {
final playlists = flutterDev.playlists;
if (playlists.isEmpty) {
return const Center(child: CircularProgressIndicator());
}
return _PlaylistsListView(items: playlists);
},
),
);
}
}
class _PlaylistsListView extends StatelessWidget {
const _PlaylistsListView({required this.items});
final List<Playlist> items;
@override
Widget build(BuildContext context) {
return ListView.builder(
itemCount: items.length,
itemBuilder: (context, index) {
var playlist = items[index];
return Padding(
padding: const EdgeInsets.all(8.0),
child: ListTile(
leading: Image.network(
playlist.snippet!.thumbnails!.default_!.url!,
),
title: Text(playlist.snippet!.title!),
subtitle: Text(playlist.snippet!.description!),
onTap: () {
context.go(
Uri(
path: '/playlist/${playlist.id}',
queryParameters: <String, String>{
'title': playlist.snippet!.title!,
},
).toString(),
);
},
),
);
},
);
}
}
- name: Patch macOS DebugProfile.entitlements
path: adaptive_app/macos/Runner/DebugProfile.entitlements
patch-u: |
--- b/adaptive_app/step_04/macos/Runner/DebugProfile.entitlements
+++ a/adaptive_app/step_04/macos/Runner/DebugProfile.entitlements
@@ -8,5 +8,7 @@
<true/>
<key>com.apple.security.network.server</key>
<true/>
+ <key>com.apple.security.network.client</key>
+ <true/>
</dict>
</plist>
- name: Patch macOS Release.entitlements
path: adaptive_app/macos/Runner/Release.entitlements
patch-u: |
--- b/adaptive_app/step_04/macos/Runner/Release.entitlements
+++ a/adaptive_app/step_04/macos/Runner/Release.entitlements
@@ -4,5 +4,7 @@
<dict>
<key>com.apple.security.app-sandbox</key>
<true/>
+ <key>com.apple.security.network.client</key>
+ <true/>
</dict>
</plist>
- name: Replace test/widget_test.dart
path: adaptive_app/test/widget_test.dart
replace-contents: |
import 'package:adaptive_app/main.dart';
import 'package:adaptive_app/src/app_state.dart';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:googleapis/youtube/v3.dart';
import 'package:provider/provider.dart';
class FakeFlutterDevPlaylists extends ChangeNotifier
implements FlutterDevPlaylists {
@override
List<PlaylistItem> playlistItems({required String playlistId}) => [];
@override
List<Playlist> get playlists => [];
}
void main() {
testWidgets('smoke test', (tester) async {
// Build our app and trigger a frame.
await tester.pumpWidget(
ChangeNotifierProvider<FlutterDevPlaylists>(
create: (context) => FakeFlutterDevPlaylists(),
child: const PlaylistsApp(),
),
);
});
}
- name: Rebuild ios/Podfile.lock
platforms: [ macos ]
path: adaptive_app/ios
pod: install
- name: Rebuild macos/Podfile.lock
platforms: [ macos ]
path: adaptive_app/macos
pod: install
- name: Copy step_04
copydir:
from: adaptive_app
to: step_04
- name: step_05
steps:
- name: Remove generated code
rmdir: step_05
- name: Add dependencies
path: adaptive_app
flutter: pub add split_view
- name: Patch lib/main.dart
path: adaptive_app/lib/main.dart
patch-u: |
--- b/adaptive_app/step_05/lib/main.dart
+++ a/adaptive_app/step_05/lib/main.dart
@@ -9,9 +9,9 @@ import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:provider/provider.dart';
+import 'src/adaptive_playlists.dart';
import 'src/app_state.dart';
import 'src/playlist_details.dart';
-import 'src/playlists.dart';
// From https://www.youtube.com/channel/UCwXdFgeE9KYzlDdR7TG9cMw
const flutterDevAccountId = 'UCwXdFgeE9KYzlDdR7TG9cMw';
@@ -24,7 +24,7 @@ final _router = GoRouter(
GoRoute(
path: '/',
builder: (context, state) {
- return const Playlists();
+ return const AdaptivePlaylists();
},
routes: <RouteBase>[
GoRoute(
@@ -32,7 +32,10 @@ final _router = GoRouter(
builder: (context, state) {
final title = state.uri.queryParameters['title']!;
final id = state.pathParameters['id']!;
- return PlaylistDetails(playlistId: id, playlistName: title);
+ return Scaffold(
+ appBar: AppBar(title: Text(title)),
+ body: PlaylistDetails(playlistId: id, playlistName: title),
+ );
},
),
],
- name: Patch lib/src/playlists.dart
path: adaptive_app/lib/src/playlists.dart
patch-u: |
--- b/adaptive_app/step_05/lib/src/playlists.dart
+++ a/adaptive_app/step_05/lib/src/playlists.dart
@@ -3,44 +3,71 @@
// found in the LICENSE file.
import 'package:flutter/material.dart';
-import 'package:go_router/go_router.dart';
import 'package:googleapis/youtube/v3.dart';
import 'package:provider/provider.dart';
import 'app_state.dart';
class Playlists extends StatelessWidget {
- const Playlists({super.key});
+ const Playlists({super.key, required this.playlistSelected});
+
+ final PlaylistsListSelected playlistSelected;
@override
Widget build(BuildContext context) {
- return Scaffold(
- appBar: AppBar(title: const Text('FlutterDev Playlists')),
- body: Consumer<FlutterDevPlaylists>(
- builder: (context, flutterDev, child) {
- final playlists = flutterDev.playlists;
- if (playlists.isEmpty) {
- return const Center(child: CircularProgressIndicator());
- }
+ return Consumer<FlutterDevPlaylists>(
+ builder: (context, flutterDev, child) {
+ final playlists = flutterDev.playlists;
+ if (playlists.isEmpty) {
+ return const Center(child: CircularProgressIndicator());
+ }
- return _PlaylistsListView(items: playlists);
- },
- ),
+ return _PlaylistsListView(
+ items: playlists,
+ playlistSelected: playlistSelected,
+ );
+ },
);
}
}
-class _PlaylistsListView extends StatelessWidget {
- const _PlaylistsListView({required this.items});
+typedef PlaylistsListSelected = void Function(Playlist playlist);
+
+class _PlaylistsListView extends StatefulWidget {
+ const _PlaylistsListView({
+ required this.items,
+ required this.playlistSelected,
+ });
final List<Playlist> items;
+ final PlaylistsListSelected playlistSelected;
+
+ @override
+ State<_PlaylistsListView> createState() => _PlaylistsListViewState();
+}
+
+class _PlaylistsListViewState extends State<_PlaylistsListView> {
+ late ScrollController _scrollController;
+
+ @override
+ void initState() {
+ super.initState();
+ _scrollController = ScrollController();
+ }
+
+ @override
+ void dispose() {
+ _scrollController.dispose();
+ super.dispose();
+ }
@override
Widget build(BuildContext context) {
return ListView.builder(
- itemCount: items.length,
+ controller: _scrollController,
+ itemCount: widget.items.length,
itemBuilder: (context, index) {
- var playlist = items[index];
+ var playlist = widget.items[index];
return Padding(
padding: const EdgeInsets.all(8.0),
child: ListTile(
@@ -50,14 +77,7 @@ class _PlaylistsListView extends StatelessWidget {
title: Text(playlist.snippet!.title!),
subtitle: Text(playlist.snippet!.description!),
onTap: () {
- context.go(
- Uri(
- path: '/playlist/${playlist.id}',
- queryParameters: <String, String>{
- 'title': playlist.snippet!.title!,
- },
- ).toString(),
- );
+ widget.playlistSelected(playlist);
},
),
);
- name: Patch lib/src/playlist_details.dart
path: adaptive_app/lib/src/playlist_details.dart
patch-u: |
--- b/adaptive_app/step_05/lib/src/playlist_details.dart
+++ a/adaptive_app/step_05/lib/src/playlist_details.dart
@@ -20,32 +20,50 @@ class PlaylistDetails extends StatelessWidget {
@override
Widget build(BuildContext context) {
- return Scaffold(
- appBar: AppBar(title: Text(playlistName)),
- body: Consumer<FlutterDevPlaylists>(
- builder: (context, playlists, _) {
- final playlistItems = playlists.playlistItems(playlistId: playlistId);
- if (playlistItems.isEmpty) {
- return const Center(child: CircularProgressIndicator());
- }
+ return Consumer<FlutterDevPlaylists>(
+ builder: (context, playlists, _) {
+ final playlistItems = playlists.playlistItems(playlistId: playlistId);
+ if (playlistItems.isEmpty) {
+ return const Center(child: CircularProgressIndicator());
+ }
- return _PlaylistDetailsListView(playlistItems: playlistItems);
- },
- ),
+ return _PlaylistDetailsListView(playlistItems: playlistItems);
+ },
);
}
}
-class _PlaylistDetailsListView extends StatelessWidget {
+class _PlaylistDetailsListView extends StatefulWidget {
const _PlaylistDetailsListView({required this.playlistItems});
final List<PlaylistItem> playlistItems;
+ @override
+ State<_PlaylistDetailsListView> createState() =>
+ _PlaylistDetailsListViewState();
+}
+
+class _PlaylistDetailsListViewState extends State<_PlaylistDetailsListView> {
+ late ScrollController _scrollController;
+
+ @override
+ void initState() {
+ super.initState();
+ _scrollController = ScrollController();
+ }
+
+ @override
+ void dispose() {
+ _scrollController.dispose();
+ super.dispose();
+ }
+
@override
Widget build(BuildContext context) {
return ListView.builder(
- itemCount: playlistItems.length,
+ controller: _scrollController,
+ itemCount: widget.playlistItems.length,
itemBuilder: (context, index) {
- final playlistItem = playlistItems[index];
+ final playlistItem = widget.playlistItems[index];
return Padding(
padding: const EdgeInsets.all(8.0),
child: ClipRRect(
- name: Add lib/src/adaptive_playlists.dart
path: adaptive_app/lib/src/adaptive_playlists.dart
replace-contents: |
// Copyright 2022 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:googleapis/youtube/v3.dart';
import 'package:split_view/split_view.dart';
import 'playlist_details.dart';
import 'playlists.dart';
class AdaptivePlaylists extends StatelessWidget {
const AdaptivePlaylists({super.key});
@override
Widget build(BuildContext context) {
final screenWidth = MediaQuery.of(context).size.width;
final targetPlatform = Theme.of(context).platform;
if (targetPlatform == TargetPlatform.android ||
targetPlatform == TargetPlatform.iOS ||
screenWidth <= 600) {
return const NarrowDisplayPlaylists();
} else {
return const WideDisplayPlaylists();
}
}
}
class NarrowDisplayPlaylists extends StatelessWidget {
const NarrowDisplayPlaylists({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text('FlutterDev Playlists')),
body: Playlists(
playlistSelected: (playlist) {
context.go(
Uri(
path: '/playlist/${playlist.id}',
queryParameters: <String, String>{
'title': playlist.snippet!.title!,
},
).toString(),
);