Results for “ScaffoldMessenger”

Navigator keeps a stack of Route objects; Navigator.push adds a route built

Manages SnackBars and MaterialBanners for descendant Scaffolds. material.ScaffoldMessenger ScaffoldMessenger Scaffold Messenger class material

State for a ScaffoldMessenger. material.ScaffoldMessengerState ScaffoldMessengerState Scaffold Messenger State class material

material.ScaffoldMessengerState.ScaffoldMessengerState.new ScaffoldMessengerState new Scaffold Messenger State.new constructor material

Creates a widget that manages SnackBars for Scaffold descendants. material.ScaffoldMessenger.ScaffoldMessenger.new ScaffoldMessenger new Scaffold Messenger.new constructor material

Asserts that the given context has a ScaffoldMessenger ancestor. material.debugCheckHasScaffoldMessenger debugCheckHasScaffoldMessenger debug Check Has Scaffold Messenger function material

SnackBar` API within the `Scaffold` is now handled by the `ScaffoldMessenger`, one of which is available by default within the context of a `MaterialApp`. The previous approach

SnackBar with an action, set `persist` to `false`. Code before migration: ```dart ScaffoldMessenger.of(context).showSnackBar( SnackBar( content: const Text('This is a snackbar with an action.'), action: SnackBarAction

This migration guide describes conversion of code that uses the `nullOk` parameter

ElevatedButton OutlinedButton ButtonTheme TextButtonTheme ElevatedButtonTheme OutlinedButtonTheme ButtonStyle ButtonStyleButton ElevatedButtonThemeData OutlinedButtonThemeData TextButtonThemeData Scaffold SnackBar ScaffoldMessenger MaterialApp RectangularSliderTrackShape.disabledThumbGapWidth RectangularSliderTrackShape ThemeData TextSelectionThemeData RenderEditable.onSelectionChanged TextSelectionDelegate.textEditingValue TextSelectionDelegate.userUpdateTextEditingValue TextInputFormatter