- // Reinforce the system UI visibility flags if in full screen browsing mode.
- // This hides the status and navigation bars, which are displayed if other elements are shown, like dialog boxes, the options menu, or the keyboard.
- if (inFullScreenBrowsingMode) {
- /* Hide the system bars.
- * SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
- * SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN makes the root frame layout fill the area that is normally reserved for the status bar.
- * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
- * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically re-hides them after they are shown.
- */
- rootFrameLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
- View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
- }
- });
- } else {
- nestedScrollWebView.getViewTreeObserver().addOnScrollChangedListener(() -> {
- if (nestedScrollWebView.getSwipeToRefresh()) {
- // Only enable swipe to refresh if the WebView is scrolled to the top.
- swipeRefreshLayout.setEnabled(nestedScrollWebView.getScrollY() == 0);
- } else {
- // Disable swipe to refresh.
- swipeRefreshLayout.setEnabled(false);