screenutil_init.dart
880 Bytes
import 'package:flutter/widgets.dart';
import 'screenutil.dart';
class ScreenUtilInit extends StatelessWidget {
/// A helper widget that initializes [ScreenUtil]
const ScreenUtilInit({
@required this.child,
this.designSize = ScreenUtil.defaultSize,
this.allowFontScaling = false,
Key key,
}) : super(key: key);
final Widget child;
/// The [Size] of the device in the design draft, in px
final Size designSize;
/// Sets whether the font size is scaled according to the system's "font size" assist option
final bool allowFontScaling;
@override
Widget build(BuildContext context) {
return LayoutBuilder(
builder: (_, BoxConstraints constraints) {
ScreenUtil.init(
constraints,
designSize: designSize,
allowFontScaling: allowFontScaling,
);
return child;
},
);
}
}