重要改动 (Breaking changes)
As described in the breaking change policy, on occasion we publish guides for migrating code across a breaking change.
The following guides are available. They sorted by release, and listed in alphabetical order:
Released in Flutter 1.17
- Adding ‘linux’ and ‘windows’ to TargetPlatform enum
- Annotations return local position relative to object
- Container color optimization
- CupertinoTabBar requires Localizations parent
- Generic type of ParentDataWidget changed to ParentData
- ImageCache and ImageProvider changes
- ImageCache large images
- MouseTracker moved to rendering
- MouseTracker no longer attaches annotations
- Nullable CupertinoTheme.brightness
- Rebuild optimization for OverlayEntries and Routes
- Scrollable AlertDialog
- TestTextInput state reset
- TestWidgetsFlutterBinding.clock
- TextInputClient currentTextEditingValue
- The forgetChild() method must call super
- The Route and Navigator refactoring
- ThemeData’s accent properties
Not yet released to stable
- Actions API revision
- Adding TextInputClient.currentAutofillScope
- Reversing the dependency between the scheduler and services layer
- Dialogs’ Default BorderRadius
- More Strict Assertions in the Navigator and the Hero Controller Scope
- Semantics Order of the Overlay Entries in Modal Routes
- showAutocorrectionPromptRect method added to TextInputClient
- TextField requires MaterialLocalizations
- The RenderEditable needs to be laid out before hit testing
- The Route Transition record and Transition delegate updates
- TestWidgetsFlutterBinding.clock
- Material Chip button semantics
- Android v1 embedding app and plugin creation deprecation