typescript - 如何使用@viewChild在我的组件中获取bradmartin/nativescript-videoplayer元素引用？

Reference to the third party player on github.
问题：
如何使用VIEWHORD在我的组件中获得第三方NATESVScript视频播放器的元素引用？
错误：
当我试图通过这个.VooPoop.Poad（）访问方法播放时，我的代码编译但崩溃了。
类型错误：this.videoplayer.play不是函数。（在
“this.videoplayer.play（）”，“this.videoplayer.play”
未定义）
代码
播放器.component.ts

import {Component, OnInit, ViewChild} from '@angular/core';

import {registerElement} from "nativescript-angular/element-registry";
registerElement("VideoPlayer", () => require("nativescript-videoplayer").Video);

@Component({
    selector: "Player",
    moduleId: module.id,
    templateUrl: "./player.component.html",
    styleUrls: ["./player.component.css"]
})
export class PlayerComponent implements OnInit{

    @ViewChild("video_player") videoPlayer: Video;

    public src: string = "<YOUR VIDEO URL HERE>"

    ngOnInit(): void {
        this.videoPlayer.play();
    }
}

player.component.html播放器

        <VideoPlayer
                #video_player
                [src]="src"
                height="300"></VideoPlayer>

github issue reference #77

最佳答案

在检查this.videoPlayer的属性之后，通过：

for(let prop in this.videoPlayer){
  if(this.videoPlayer.hasOwnProperty(prop)){
    console.dir(prop);
  }
}

我注意到它只有一个属性“nativeElement”。为了能够使用它，我必须将viewChild类型从“Video”改为“ElementRef”，这允许我访问nativeElement，然后允许我访问文档上定义的所有API。

import {Component, OnInit, ViewChild, ElementRef} from '@angular/core';

import {registerElement} from "nativescript-angular/element-registry";
registerElement("VideoPlayer", () => require("nativescript-videoplayer").Video);

@Component({
    selector: "Player",
    moduleId: module.id,
    templateUrl: "./player.component.html",
    styleUrls: ["./player.component.css"]
})
export class PlayerComponent implements OnInit{

    @ViewChild("video_player") videoPlayer: ElementRef;

    public src: string = "<YOUR VIDEO URL HERE>"

    ngOnInit(): void {
        this.videoPlayer.nativeElement.play();
    }
}