+ // Enter full screen video
+ @Override
+ public void onShowCustomView(View view, CustomViewCallback callback) {
+ getSupportActionBar().hide();
+
+ fullScreenVideoFrameLayout.addView(view);
+ fullScreenVideoFrameLayout.setVisibility(View.VISIBLE);
+
+ mainWebView.setVisibility(View.GONE);
+
+ /* SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bars on the bottom or right of the screen.
+ ** SYSTEM_UI_FLAG_FULLSCREEN hides the status bar across the top of the screen.
+ ** SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the navigation and status bars ghosted overlays and automatically rehides them.
+ */
+
+ // Set the one flag supported by API >= 14.
+ if (Build.VERSION.SDK_INT >= 14) {
+ view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
+ }
+
+ // Set the two flags that are supported by API >= 16.
+ if (Build.VERSION.SDK_INT >= 16) {
+ view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_FULLSCREEN);
+ }
+
+ // Set all three flags that are supported by API >= 19.
+ if (Build.VERSION.SDK_INT >= 19) {
+ view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
+ }
+ }
+
+ // Exit full screen video
+ public void onHideCustomView() {
+ getSupportActionBar().show();
+
+ mainWebView.setVisibility(View.VISIBLE);
+
+ fullScreenVideoFrameLayout.removeAllViews();
+ fullScreenVideoFrameLayout.setVisibility(View.GONE);
+ }
+ });
+
+ mainWebView.setDownloadListener(new DownloadListener() {
+ // Launch the Android download manager when a link leads to a download.
+ @Override
+ public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) {
+ DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
+ DownloadManager.Request requestUri = new DownloadManager.Request(Uri.parse(url));
+
+ // Add the URL as the description for the download.
+ requestUri.setDescription(url);
+
+ // Show the download notification after the download is completed if the API is 11 or greater.
+ if (Build.VERSION.SDK_INT >= 11) {
+ requestUri.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);