setiOSThemeData method

CupertinoThemeData? setiOSThemeData(BuildContext context)

Assigning the Cupertino theme

Implementation

CupertinoThemeData? setiOSThemeData(BuildContext context) {
  // Retain the original theme
  App.baseiOSTheme = CupertinoTheme.of(context);

  CupertinoThemeData? cupertinoThemeData = _iOSTheme ?? oniOSTheme();

  if (_allowChangeTheme) {
    // If a saved preference
    final theme = App.iOSThemeData;
    if (theme != null) {
      cupertinoThemeData = theme;
    }
  }

  if (cupertinoThemeData == null) {
    // Possibly Material can provide
    final themeData = _theme ?? onTheme() ?? App.themeData;

    if (themeData == null) {
      // The original theme
      App.iOSThemeData ??= App.baseiOSTheme;
      cupertinoThemeData = App.iOSThemeData;
    } else {
      // Assign the provided theme
      App.iOSThemeData = themeData;
      cupertinoThemeData = App.iOSThemeData;
    }
  } else {
    App.iOSThemeData = cupertinoThemeData;
  }
  return cupertinoThemeData;
}