我已經在我的顫振專案中安裝了 Riverpod，我正在嘗試創建一個擴展 ConsumerWidget 的類，但后者無法被我的 IDE（Android Studio）識別，即使一切似乎都是正確的，它也會用紅色強調它。
這是我的課：
import 'package:flutter/material.dart';
import 'package:testproject/models/message_model.dart';
import 'package:riverpod/riverpod.dart';
class MessageList extends ConsumerWidget {
@override
Widget build(BuildContext context, WidgetRef ref) {
List<Message> messages = ref.watch(todosProvider);
return widget();
}
}
這是我的 pubspec 檔案：
name: testproject
description: A new Flutter project.
# The following line prevents the package from being accidentally published to
# pub.dev using `pub publish`. This is preferred for private packages.
publish_to: 'none' # Remove this line if you wish to publish to pub.dev
# The following defines the version and build number for your application.
# A version number is three numbers separated by dots, like 1.2.43
# followed by an optional build number separated by a .
# Both the version and the builder number may be overridden in flutter
# build by specifying --build-name and --build-number, respectively.
# In Android, build-name is used as versionName while build-number used as versionCode.
# Read more about Android versioning at https://developer.android.com/studio/publish/versioning
# In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
# Read more about iOS versioning at
# https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
version: 1.0.1 2
environment:
sdk: ">=2.12.0 <3.0.0"
dependencies:
flutter:
sdk: flutter
# The following adds the Cupertino Icons font to your application.
# Use with the CupertinoIcons class for iOS style icons.
cool_alert: ^1.1.0
cupertino_icons: ^1.0.3
http: ^0.13.3
flutter_spinkit: ^5.0.0
url_launcher: ^6.0.9
firebase_messaging: ^10.0.4
firebase_core: ^1.4.0
overlay_support: ^1.2.1
path_provider: ^2.0.2
lint: ^1.5.3
riverpod: ^1.0.3
dev_dependencies:
flutter_test:
sdk: flutter
# For information on the generic Dart part of this file, see the
# following page: https://dart.dev/tools/pub/pubspec
# The following section is specific to Flutter.
flutter:
# The following line ensures that the Material Icons font is
# included with your application, so that you can use the icons in
# the material Icons class.
uses-material-design: true
# To add assets to your application, add an assets section, like this:
assets:
- images/notification_icon.png
# - images/a_dot_ham.jpeg
fonts:
- family: Pacifico
fonts:
- asset: fonts/Pacifico-Regular.ttf
- family: Source Sans Pro
fonts:
- asset: fonts/SourceSansPro-Regular.ttf
不知道我是否錯過了什么或者我做錯了什么，但我無法找到它是什么。
uj5u.com熱心網友回復：
由于您使用的是 Flutter，因此您應該使用 flutter_riverpod 或 hooks_riverpod（如果您使用的是鉤子）。Riverpod 只有飛鏢。所以你只需要使用正確的包。
來源：https : //riverpod.dev/docs/getting_started/#what-package-to-install
uj5u.com熱心網友回復：
“riverpod” 包用于 dart 程式，因此剝離了所有與 Flutter 相關的類。
嘗試改用flutter_riverpod，我認為應該可以。
在這里查看不同的 Riverpod 包。
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