+ // Get a handle for the shared preferences.
+ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getContext());
+
+ // Get the screenshot preference.
+ boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
+
+ // Disable screenshots if not allowed.
+ if (!allowScreenshots) {
+ // Remove the warning below that `getWindow()` might be null.
+ assert alertDialog.getWindow() != null;
+
+ // Disable screenshots.
+ alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
+ }
+
+ // Show the alert dialog so the items in the layout can be modified.