我正在尝试重现以下应用布局演示(app_layout_demo)示例:
https://github.com/dart-lang/angular_components_example/tree/master/lib/src/app_layout_demo
抽屉中应显示以下项目:
<material-drawer persistent #drawer="drawer" [attr.end]="end ? '' : null">
<material-list *deferredContent>
<div group class="mat-drawer-spacer"></div>
<div group>
<material-list-item>
<material-icon icon="inbox"></material-icon>Inbox
</material-list-item>
<material-list-item>
<material-icon icon="star"></material-icon>Star
</material-list-item>
<material-list-item>
<material-icon icon="send"></material-icon>Sent Mail
</material-list-item>
<material-list-item>
<material-icon icon="drafts"></material-icon>Drafts
</material-list-item>
</div>
<div group>
<div label>Tags</div>
<material-list-item>
<material-icon icon="star"></material-icon>Favorites
</material-list-item>
</div>
</material-list>
</material-drawer>
但是它不会在抽屉上显示Item。看到:
浏览器控制台中还有一个错误:
EXCEPTION: Invalid argument(s): No provider found for DomService. html_dart2js.dart:3559
可能是什么问题呢?
最佳答案
错误消息表示缺少materialProviders
import 'package:angular_components/angular_components.dart';
@Component(
selector: 'my-app',
providers: [materialProviders],
只需为整个应用程序提供一次即可,因此
AppComponent
是最佳选择。
关于angular - 使用AngularDart的应用布局不会在抽屉上显示项目,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/46097591/