init static method

Future<void> init(BuildContext context, { Size designSize = defaultSize, bool splitScreenMode = false, bool minTextAdapt = false, bool scaleByHeight = false, })

Initializing the library.

Implementation

static Future<void> init(BuildContext context,
    {Size designSize = defaultSize,
    bool splitScreenMode = false,
    bool minTextAdapt = false,
    bool scaleByHeight = false}) async {
  final mediaQueryContext =
      context.getElementForInheritedWidgetOfExactType<MediaQuery>();

  final initCompleter = Completer<void>();

  WidgetsFlutterBinding.ensureInitialized().addPostFrameCallback((_) {
    mediaQueryContext?.visitChildElements((el) => _instance._context = el);
    if (_instance._context != null) initCompleter.complete();
  });

  final deviceData = MediaQuery.maybeOf(context).nonEmptySizeOrNull();

  final deviceSize = deviceData?.size ?? designSize;
  final orientation = deviceData?.orientation ??
      (deviceSize.width > deviceSize.height
          ? Orientation.landscape
          : Orientation.portrait);

  _instance
    .._context = scaleByHeight ? null : context
    .._uiSize = designSize
    .._splitScreenMode = splitScreenMode
    .._minTextAdapt = minTextAdapt
    .._orientation = orientation
    .._screenWidth = scaleByHeight
        ? (deviceSize.height * designSize.width) / designSize.height
        : deviceSize.width
    .._screenHeight = deviceSize.height;

  _instance._elementsToRebuild?.forEach((el) => el.markNeedsBuild());

  return initCompleter.future;
}