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174 changes · page 3 of 5
When you add any external windows to your Flutter app, you need to include them in the Window's app lifecycle logic. To include the window, its `WndProc` function should invoke `FlutterEngine::ProcessExternalWindowMessage`.
Built executables for Flutter Windows apps are now located in architecture dependent folders.
In accordance with Flutter's Deprecation Policy, deprecated APIs that reached end of life after the 3.13 stable release have been removed.
In preparation for adopting the Android 14 nonlinear font scaling feature, all occurrences of `textScaleFactor` in the Flutter framework have been deprecated and replaced by `TextScaler`.
The global method `describeEnum` has been deprecated. Previous uses of `describeEnum(Enum.something)` should use `Enum.something.name` instead.
To support Android 14's Predictive Back feature, a set of ahead-of-time APIs have replaced just-in-time navigation APIs, like `WillPopScope` and `Navigator.willPop`.
`Paint.enableDithering` is now `true` by default (previously, `false`), and is _deprecated_ pending removal - Flutter no longer supports user-configurable dithering settings.
Missing calls to 'dispose()' are added for some disposable objects. For example, ContextMenuController did not dispose OverlayEntry, and EditableTextState did not dispose TextSelectionOverlay.
A new `hidden` state was added to the `AppLifecycleState` enum to denote when the application is not visible.
`ReorderableListView`'s localized strings were moved from material localizations to widgets localizations. These strings were deprecated in material localizations.
The `Editable.onCaretChanged` callback is removed. With this change, `EditableText` behavior for scrolling the selection into view changes.
How to update a Windows project to ensure the window is shown
The `Checkbox.fillColor` is now applied to the checkbox's background when the checkbox is unselected.
In accordance with Flutter's Deprecation Policy, deprecated APIs that reached end of life after the 3.10 stable release have been removed.
The `IgnoringPointer` widget allows you to designate an area of the UI where you don't want to accept pointer events, for example, when you don't want to allow the user to enter text in a text field.
`RouteInformation.location` and related APIs were deprecated in the favor of `RouteInformation.uri`.
Added an `insertContent` method to the `TextInputClient` interface to allow Android's image keyboard feature to insert content into a Flutter `TextField`.
If you've recently upgraded Android Studio to the Flamingo release and have either run or built an existing Android app, you might have run into an error similar to the following:
The `ClipboardData constructor`'s `text` argument is no longer nullable. Code that provides `null` to the `text` argument must be migrated to provide an empty string `''`.
Starting with Flutter 3.10, the framework detects mismatches when using Zones and reports them to the console in debug builds.
In accordance with Flutter's Deprecation Policy, deprecated APIs that reached end of life after the 3.7 stable release have been removed.
In preparation for supporting multiple views and multiple windows, the `window` singleton has been deprecated. Code previously relying on the `window` singleton needs to look up the specific view it wants to operate on via the `View.of` API or interact with the `PlatformDispatcher` directly.
Context menus, or text selection toolbars, are the menus that show up when long pressing or right clicking on text in Flutter, and they show options like **Cut**, **Copy**, **Paste**, and **Select all**. Previously, it was only possible to narrowly customize them using `ToolbarOptions` and `TextSelectionControls`. Now, they have been made composable using widgets, just like everything else in Flutter, and the specific configuration parameters have been deprecated.
The `FlutterViewController` property `splashScreenView` has been changed from `nonnull` to `nullable`.
This migration guide describes conversion of code that uses various static `of` functions to retrieve information from a context that used to return nullable values, but now return non-nullable values.
How to update a Windows project to support dark title bars
In accordance with Flutter's Deprecation Policy, deprecated APIs that reached end of life after the 3.3 stable release have been removed.
The `RouteSettings.copyWith` method is removed, and apps that use it need to use the constructor to create a new `RouteSettings` instance instead.
The Material widgets `Switch`, `SwitchListTile`, `Checkbox`, `CheckboxListTile`, `Radio`, `RadioListTile` now use `ColorScheme.secondary` color for their toggleable widget. `ThemeData.toggleableActiveColor` is deprecated and will eventually be removed.
* `ImageProvider` now has a method called `loadBuffer` that functions similarly to `load`, except that it decodes from an `ui.ImmutableBuffer`. * `ui.ImmutableBuffer` can now be created directly from an asset key. * The `AssetBundle` classes can now load an `ui.ImmutableBuffer`. * The `PaintingBinding` now has a method called `instantiateImageCodecFromBuffer`, which functions similarly to `instantiateImageCodec`. * `ImageProvider.load` is now deprecated, it will be removed in a future release. * `PaintingBinding.instantiateImageCodec` is now deprecated, it will be removed in a future release.
The `PrimaryScrollController` API has been updated to no longer automatically attach to vertical `ScrollView`s on desktop platforms.
Trackpad gestures on most platforms now send `PointerPanZoom` sequences and can trigger pan, drag, and scale `GestureRecognizer` callbacks.
How to update a Windows project to set version information
Using `useDeleteButtonTooltip` of any chip that has a delete button gives a deprecation warning, or no longer exists when referenced. This includes the `Chip`, `InputChip`, and `RawChip` widgets.
In order to ensure that libraries follow the latest OEM behavior, the default page transition builders now use `ZoomPageTransitionsBuilder` on all platforms (excluding iOS and macOS) instead of `FadeUpwardsPageTransitionsBuilder`.
In accordance with Flutter's Deprecation Policy, deprecated APIs that reached end of life after the 2.10 stable release have been removed.
Adds three methods, `showToolbar`, `insertTextPlaceholder`, and `removeTextPlaceholder` to the `TextInputClient` interface to allow the iOS 14 Scribble feature to insert and remove text placeholders and show the toolbar.
How raw images are rendered on Web has been corrected and is now consistent with that on other platforms. This breaks legacy apps that had to feed incorrect data to `ui.ImageDescriptor.raw` or `ui.decodeImageFromPixels`, causing the resulting images to be upside-down and incorrectly colored (whose red and blue channels are swapped.)
To build a Flutter app for Android, Kotlin 1.5.31 or greater is required.
In accordance with Flutter's Deprecation Policy, deprecated APIs that reached end of life after the 2.5 stable release have been removed.