![]() ![]() This is a common way in Flutter to place a widget "under" the current widget and give it a context that has the current widget as a child. Not maintainable and also a hacky solution ❌ This will work for the body of the first Scaffold but in the view navigated to you will face the same problem. You wrap your Home widget of the Material App in a Scaffold.Just head over to #4 if you don’t care about the other solutions. We’ll go over the three that don’t work and then the preferred one. Scaffold.of() called with a context that does not contain a Scaffold Scaffold assumes that it is always the height of the device, breaking nested scaffolds Issue 24768 flutter/flutter GitHub flutter / flutter Public Notifications Fork 24. If for instance you only have a MaterialApp with a single Scaffold and you want to show the bottomSheet it will fail with a long message but the gist of it being this. This means that you’ll have to be “under” a scaffold widget to be able to show it. Retrieve a ScaffoldState from the current BuildContext using Scaffold.of. Scaffold.of(context).showBottomSheet(builder) ScaffoldState class - material library - Dart API ScaffoldState class Null safety State for a Scaffold. Looking inside of that call we see the following line. By wrapping ColoredBox padding, empty spaces fill with it. The bottom sheet in Flutter is shown using the call showBottomSheet. While scaffold itself is the child, we can see black background. To display one of these notifications, obtain the ScaffoldMessengerState for the current BuildContext via ScaffoldMessenger.of and use the. The Scaffold is a widget in Flutter used to implements the basic material design visual layout structure. This class provides APIs for showing snack bars and material banners at the bottom and top of the screen, respectively. We’ll be using the showBottomSheet function in this tutorial. Manages SnackBar s and MaterialBanner s for descendant Scaffold s. The only thing to note is that the modal bottom sheet will show over the UI elements including the floating action button. ![]() Showing a normal bottomSheet or a modalBottomSheet is interchangeable. ![]()
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