Flutter_学习记录_各个屏幕的适配

ScreenUtil().setWidth(540) (dart sdk>=2.6 : 540.w) //Adapted to screen width ScreenUtil().setHeight(200) (dart sdk>=2.6 : 200.h) //Adapted to screen height , under normal circumstances, the height still uses x.w ScreenUtil().radius(200) (dart sdk>=2.6 : 200.r) //Adapt according to the smaller of width or height ScreenUtil().setSp(24) (dart sdk>=2.6 : 24.sp) //Adapter font 12.sm //return min(12,12.sp) ScreenUtil().pixelRatio //Device pixel density ScreenUtil().screenWidth (dart sdk>=2.6 : 1.sw) //Device width ScreenUtil().screenHeight (dart sdk>=2.6 : 1.sh) //Device height ScreenUtil().bottomBarHeight //Bottom safe zone distance, suitable for buttons with full screen ScreenUtil().statusBarHeight //Status bar height , Notch will be higher ScreenUtil().textScaleFactor //System font scaling factor ScreenUtil().scaleWidth //The ratio of actual width to UI design ScreenUtil().scaleHeight //The ratio of actual height to UI design ScreenUtil().orientation //Screen orientation 0.2.sw //0.2 times the screen width 0.5.sh //50% of screen height 20.setVerticalSpacing // SizedBox(height: 20 * scaleHeight) 20.horizontalSpace // SizedBox(height: 20 * scaleWidth) const RPadding.all(8) // Padding.all(8.r) - take advantage of const key word EdgeInsets.all(10).w //EdgeInsets.all(10.w) REdgeInsets.all(8) // EdgeInsets.all(8.r) EdgeInsets.only(left:8,right:8).r // EdgeInsets.only(left:8.r,right:8.r). BoxConstraints(maxWidth: 100, minHeight: 100).w //BoxConstraints(maxWidth: 100.w, minHeight: 100.w) Radius.circular(16).w //Radius.circular(16.w) BorderRadius.all(Radius.circular(16)).w