Futter 屏幕适配框架flutter_ScreenUtilFutter 屏幕适配框架flutter_ScreenUt

pub.dev/packages/fl…

void main() {
  WidgetsFlutterBinding.ensureInitialized();
  //设置适配尺寸 (填入设计稿中设备的屏幕尺寸) 此处假如设计稿是按iPhone6的尺寸设计的(iPhone6 750*1334)
  ScreenUtil.init(context,designSize: Size(750, 1334), allowFontScaling: false);
  runApp(MyApp());
}
//默认 width : 1080px , height:1920px , allowFontScaling:false
ScreenUtil.init(context);
//假如设计稿是按iPhone6的尺寸设计的(iPhone6 750*1334) 
ScreenUtil.init(context, designSize: Size(750, 1334));
//设置字体大小根据系统的“字体大小”辅助选项来进行缩放,默认为false
ScreenUtil.init(context, designSize: Size(750, 1334), allowFontScaling: true);