如何在WebView中全屏显示youtube视频

问题描述

我使用以下代码：

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_test_web_view_play_youtube);
    WebView w = (WebView) findViewById(R.id.w);
    w.setWebChromeClient(new WebChromeClient());
    w.setWebViewClient(new WebViewClient());
    w.getSettings().setJavaScriptEnabled(true);
    w.loadUrl("https://www.youtube.com/watch?v=gY-HZg1Uwpc");
}

我得到以下屏幕截图

在此屏幕截图中，我看不到全屏按钮。

In this screenshot, I could not see "fullScreen" button.

推荐答案

在这种情况下，您必须首先在XML文件中添加 FrameLayout 。之后

In your case, you have to first add FrameLayout in your XML file. After that

，您必须实现两种方法 onShowCustomView 和 onHideCustomView WebChromeClient 的c>如下所示：

you have to implement two methods onShowCustomView and onHideCustomView of WebChromeClient as shown below:

FrameLayout customViewContainer = findViewById(R.id.customViewContainer);

webView.setWebChromeClient(new WebChromeClient() {

        public void onShowCustomView(View view, WebChromeClient.CustomViewCallback callback) {
            super.onShowCustomView(view,callback);
            webView.setVisibility(View.GONE);
            customViewContainer.setVisibility(View.VISIBLE);
            customViewContainer.addView(view);
        }
        public void onHideCustomView () {
            super.onHideCustomView();
            webView.setVisibility(View.VISIBLE);
            customViewContainer.setVisibility(View.GONE);
        }
    });

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