+ webViewPagerAdapter.addPage(newTabNumber, webViewPager);
+ }
+
+ private void setCurrentWebView(int pageNumber) {
+ // Get a handle for the shared preferences.
+ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+
+ // Get the theme preference.
+ boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false);
+
+ // Get handles for the URL views.
+ RelativeLayout urlRelativeLayout = findViewById(R.id.url_relativelayout);
+ EditText urlEditText = findViewById(R.id.url_edittext);
+ SwipeRefreshLayout swipeRefreshLayout = findViewById(R.id.swiperefreshlayout);
+
+ //Stop the swipe to refresh indicator if it is running
+ swipeRefreshLayout.setRefreshing(false);
+
+ // Get the WebView tab fragment.
+ WebViewTabFragment webViewTabFragment = webViewPagerAdapter.getPageFragment(pageNumber);
+
+ // Get the fragment view.
+ View fragmentView = webViewTabFragment.getView();
+
+ // Set the current WebView if the fragment view is not null.
+ if (fragmentView != null) {
+ // Store the current WebView.
+ currentWebView = fragmentView.findViewById(R.id.nestedscroll_webview);
+
+ // Update the status of swipe to refresh.
+ if (currentWebView.getSwipeToRefresh()) { // Swipe to refresh is enabled.
+ if (Build.VERSION.SDK_INT >= 23) { // For API >= 23, swipe refresh layout is continuously updated with an on scroll change listener and only enabled if the WebView is scrolled to the top.
+ // Enable the swipe refresh layout if the WebView is scrolled all the way to the top.
+ swipeRefreshLayout.setEnabled(currentWebView.getY() == 0);
+ } else {
+ // Enable the swipe refresh layout.
+ swipeRefreshLayout.setEnabled(true);
+ }
+ } else { // Swipe to refresh is disabled.
+ // Disable the swipe refresh layout.
+ swipeRefreshLayout.setEnabled(false);
+ }
+
+ // Get a handle for the cookie manager.
+ CookieManager cookieManager = CookieManager.getInstance();
+
+ // Set the first-party cookie status.
+ cookieManager.setAcceptCookie(currentWebView.getAcceptFirstPartyCookies());
+
+ // Update the privacy icons. `true` redraws the icons in the app bar.
+ updatePrivacyIcons(true);
+
+ // Get a handle for the input method manager.
+ InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+
+ // Remove the lint warning below that the input method manager might be null.
+ assert inputMethodManager != null;
+
+ // Get the current URL.
+ String url = currentWebView.getUrl();
+
+ // Update the URL edit text if not loading a new intent. Otherwise, this will be handled by `onPageStarted()` (if called) and `onPageFinished()`.
+ if (!loadingNewIntent) { // A new intent is not being loaded.
+ if ((url == null) || url.equals("about:blank")) { // The WebView is blank.
+ // Display the hint in the URL edit text.
+ urlEditText.setText("");
+
+ // Request focus for the URL text box.
+ urlEditText.requestFocus();
+
+ // Display the keyboard.
+ inputMethodManager.showSoftInput(urlEditText, 0);
+ } else { // The WebView has a loaded URL.
+ // Clear the focus from the URL text box.
+ urlEditText.clearFocus();