You can use: double width = MediaQuery.of(context).size.width; double height = MediaQuery.of(context).size.height; To get height just of SafeArea (for iOS 11 and above): var padding = MediaQuery.of(context).padding; double newheight = height – padding.top – padding.bottom;
This is a supplemental answer showing the implementation of a couple of the solutions mentioned. FractionallySizedBox If you have a single widget you can use a FractionallySizedBox widget to specify a percentage of the available space to fill. Here the green Container is set to fill 70% of the available width and 30% of the … Read more
@forcelain I think you need to check this Google IO Pdf for Design. In that pdf go to Page No:77 in which you will find how there suggesting for using dimens.xml for different devices of android for Example see Below structure : res/values/dimens.xml res/values-small/dimens.xml res/values-normal/dimens.xml res/values-large/dimens.xml res/values-xlarge/dimens.xml for Example you have used below dimens.xml in … Read more