+ private void setCurrentWebView(int pageNumber) {
+ // Get handles for the URL views.
+ RelativeLayout urlRelativeLayout = findViewById(R.id.url_relativelayout);
+ EditText urlEditText = findViewById(R.id.url_edittext);
+
+ // Get the WebView tab fragment.
+ WebViewTabFragment webViewTabFragment = webViewPagerAdapter.getPageFragment(pageNumber);
+
+ // Get the fragment view.
+ View fragmentView = webViewTabFragment.getView();
+
+ // Remove the incorrect lint warning below that the fragment view might be null.
+ assert fragmentView != null;
+
+ // Store the current WebView.
+ currentWebView = fragmentView.findViewById(R.id.nestedscroll_webview);
+
+ // Update the privacy icons. `true` redraws the icons in the app bar.
+ updatePrivacyIcons(true);
+
+ // Store the current formatted URL string.
+ formattedUrlString = currentWebView.getUrl();
+
+ // Clear the focus from the URL text box.
+ urlEditText.clearFocus();
+
+ // Hide the soft keyboard.
+ inputMethodManager.hideSoftInputFromWindow(currentWebView.getWindowToken(), 0);
+
+ // Display the current URL in the URL text box.
+ urlEditText.setText(formattedUrlString);
+
+ // Highlight the URL text.
+ highlightUrlText();
+
+ // Set the background to indicate the domain settings status.
+ if (currentWebView.getDomainSettingsApplied()) {
+ // Set a green background on the URL relative layout to indicate that custom domain settings are being used. The deprecated `.getDrawable()` must be used until the minimum API >= 21.
+ if (darkTheme) {
+ urlRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_dark_blue));
+ } else {
+ urlRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_light_green));
+ }
+ } else {
+ urlRelativeLayout.setBackground(getResources().getDrawable(R.color.transparent));
+ }
+ }
+