angular - Nativescript radListView不显示项目

Question

概览

Nativescript radListView 不显示 ios 和 android 操作系统上组件的绑定(bind)项。
操作栏和通常的 ListView 显示数据，但 radlistview 不显示。控制台没有显示错误。但我看到下一个存储库中的 RadListView 可以工作 -> https://github.com/telerik/nativescript-ui-samples-angular

环境

我的开发环境如下。

操作系统:macOS Sierra 10.12.6
节点:v6.12.0
npm:2010 年 10 月 3 日
nativescript 和其他内容可以在 package.json 中看到

考虑

我似乎这个问题与这些有关......
但我无法精炼。

1. Angular Directive(指令)
   
2. 初始化可观察数组
   

代码

我在“tns create ui-test --ng”之后在 Angular 上实现了 RadListView，如下所示。

组件

export class ItemsComponent implements OnInit {
    private _dataItems: ObservableArray<Item>;

    constructor() {
    }

    get dataItems(): ObservableArray<Item> {
        return this._dataItems;
    }

    ngOnInit() {
        this._dataItems = new ObservableArray([
            { id: 1, name: "Ter Stegen", role: "Goalkeeper" },
            { id: 3, name: "Piqué", role: "Defender" },
            { id: 4, name: "I. Rakitic", role: "Midfielder" }
        ]);
    }
}

html

<ActionBar title="My App" class="action-bar">
</ActionBar>

<GridLayout>
    <RadListView [items]="dataItems">
        <ng-template let-item="item">
            <StackLayout>
                <Label class="nameLabel" text="text"></Label>
                <Label class="nameLabel" [text]="item.name"></Label>
                <Label class="descriptionLabel" [text]="item.role"></Label>
            </StackLayout>
        </ng-template>
    </RadListView>
</GridLayout>

package.json

{
  "description": "NativeScript Application",
  "license": "SEE LICENSE IN <your-license-filename>",
  "readme": "NativeScript Application",
  "repository": "<fill-your-repository-here>",
  "nativescript": {
    "id": "org.nativescript.uitest",
    "tns-ios": {
      "version": "3.3.0"
    }
  },
  "dependencies": {
    "@angular/common": "~5.0.0",
    "@angular/compiler": "~5.0.0",
    "@angular/core": "~5.0.0",
    "@angular/forms": "~5.0.0",
    "@angular/http": "~5.0.0",
    "@angular/platform-browser": "~5.0.0",
    "@angular/platform-browser-dynamic": "~5.0.0",
    "@angular/router": "~5.0.0",
    "nativescript-angular": "5.0.0",
    "nativescript-fresco": "^3.0.2",
    "nativescript-intl": "^3.0.0",
    "nativescript-pro-ui": "3.3.0",
    "nativescript-unit-test-runner": "^0.3.2",
    "rxjs": "^5.5.2",
    "tns-core-modules": "3.4.0",
    "zone.js": "~0.8.2"
  },
  "devDependencies": {
    "nativescript-dev-typescript": "~0.5.0",
    "typescript": "~2.4.2"
  }
}

Answer 1

我确实得到了你的代码并放入了 home.componenttns 创建 uitest --ng 之后然后 tns 插件添加 nativescript-ui-listviewtns平台删除androidtns平台添加androidtns 构建 Androidtns运行android

如果您没有忘记在 home.module.ts 中导入此模块，它就会起作用:NativeScriptUIListViewModule

import { NgModule, NO_ERRORS_SCHEMA } from "@angular/core";
import { NativeScriptCommonModule } from "nativescript-angular/common";
import { NativeScriptUIListViewModule } from "nativescript-ui-listview/angular";

import { HomeRoutingModule } from "./home-routing.module";
import { HomeComponent } from "./home.component";

@NgModule({
  imports: [
    NativeScriptCommonModule,
    HomeRoutingModule,
    NativeScriptUIListViewModule
],
declarations: [
    HomeComponent
],
schemas: [
    NO_ERRORS_SCHEMA
]
})
export class HomeModule { }

使用此 item.model.ts

export class Item {
  id: number;
  name:string;
  role: string;
}

重要

在另一个项目中，直到我在 app.module.ts 中添加这些行后它才起作用

import { NativeScriptUIListViewModule } from "nativescript-ui-listview/angular/listview-directives";

@NgModule({
imports: [
    ...
    NativeScriptUIListViewModule