如何在安卓网络视图中以全屏模式播放视频并退出全屏模式?



我知道这是一个老问题,被问了很多次。但是我尝试了许多解决方案,它们对我不起作用。

我在华为6P和三星S7,Nexus 5中对其进行了测试, WebView 中的视频(https://www.youtube-nocookie.com/embed/M68lNfqmTNk?rel=0&rel=0&showinfo=0(无法按预期工作(去年有效(。 当我单击全屏按钮时,"onShowCustomView"和"onHideCustomView"被连续调用。所以我可以看到视频闪烁(非全屏 -> 全屏 ->非全屏(。 有时,如果幸运的话,视频会进入全屏模式,但如果按全屏按钮退出全屏模式,该按钮根本不起作用。

我在 GitHub 上写了一个演示,希望有人能帮助我。谢谢。

这是代码

初始化网络视图:

mWebView = (WebView)findViewById(R.id.webview);
mWebChromeClient = new MyWebChromeClient();
mWebView.setWebChromeClient(mWebChromeClient);
mWebView.setWebViewClient(new WebViewClient(){
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
mWebView.loadUrl(url);
return true;
}
});
WebSettings webSettings = mWebView.getSettings();
webSettings.setJavaScriptEnabled(true);
webSettings.setUseWideViewPort(true);
webSettings.setAllowFileAccess(true);
webSettings.setSupportZoom(true);
webSettings.setLoadWithOverviewMode(true);
webSettings.setCacheMode(WebSettings.LOAD_NO_CACHE);

MyWebChromeClient:

public class MyWebChromeClient extends WebChromeClient {
FrameLayout.LayoutParams LayoutParameters = new FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.MATCH_PARENT);
@Override
public void onShowCustomView(View view, CustomViewCallback callback) {
Log.d("youtube", "onShowCustomView");
// if a view already exists then immediately terminate the new one
if (mCustomView != null) {
callback.onCustomViewHidden();
return;
}
mContentView = (ConstraintLayout) findViewById(R.id.activity_main);
mContentView.setVisibility(View.GONE);
mCustomViewContainer = new FrameLayout(MainActivity.this);
mCustomViewContainer.setLayoutParams(LayoutParameters);
mCustomViewContainer.setBackgroundResource(android.R.color.black);
view.setLayoutParams(LayoutParameters);
mCustomViewContainer.addView(view);
mCustomView = view;
mCustomViewCallback = callback;
mCustomViewContainer.setVisibility(View.VISIBLE);
setContentView(mCustomViewContainer);
}
@Override
public void onHideCustomView() {
Log.d("youtube", "onHideCustomView");
if (mCustomView == null) {
return;
} else {
// Hide the custom view.
mCustomView.setVisibility(View.GONE);
// Remove the custom view from its container.
mCustomViewContainer.removeView(mCustomView);
mCustomView = null;
mCustomViewContainer.setVisibility(View.GONE);
mCustomViewCallback.onCustomViewHidden();
// Show the content view.
mContentView.setVisibility(View.VISIBLE);
setContentView(mContentView);
}
}
}

我确实在AndroidManifest中设置了android:hardwareAccelerated .xml

android:hardwareAccelerated="true"

要在网络视图中加载YouTube视频,您必须改用iframe, 前任:

<iframe width="300" height=".." src="http://www.youtube.com/embed/M68lNfqmTNk" frameborder="0" allowfullscreen></iframe>

并将 HTML 文本加载到 Web 视图,如下所示:<html><body> <iframe width="330" height="315" src="http://www.youtube.com/embed/M68lNfqmTNk" frameborder="0" allowfullscreen></iframe>....

我认为这个问题已经有很多预定义的答案 但我认为你只需要检查一次这个答案 马克帕内尔链接

在该链接中,非常详细地标记定义的解决方案

在Web 视图中添加此代码。webView.getSettings().setUserAgentString("Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)");

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