Re-land: Enable prefer_mixin and bump plugin_platform_interface to 2.1.7 (#5841)

This reverts commit 5aef49b, except for the Flutter version pin, thus re-landing #5793. Now that the tree is fixed, it can be re-landed for auto-publishing.

Author: stuartmorgan-g

analysis_options.yaml

@@ -164,7 +164,7 @@ linter:
     - prefer_is_not_empty
     - prefer_is_not_operator
     - prefer_iterable_whereType
-    # - prefer_mixin # DIFFERENT FROM FLUTTER/FLUTTER: enable when v2.1.7 of plugin_platform_interface is the oldest supported version (which makes MockPlatformInterfaceMixin a mixin class)
+    - prefer_mixin
     # - prefer_null_aware_method_calls # "call()" is confusing to people new to the language since it's not documented anywhere
     - prefer_null_aware_operators
     - prefer_relative_imports

packages/camera/camera/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.10.5+9
+
+* Updates minimum required plugin_platform_interface version to 2.1.7.
+
 ## 0.10.5+8
 
 * Fixes new lint warnings.

packages/camera/camera/pubspec.yaml

@@ -4,7 +4,7 @@ description: A Flutter plugin for controlling the camera. Supports previewing
   Dart.
 repository: https://github.com/flutter/packages/tree/main/packages/camera/camera
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+camera%22
-version: 0.10.5+8
+version: 0.10.5+9
 
 environment:
   sdk: ">=3.0.0 <4.0.0"
@@ -33,7 +33,7 @@ dev_dependencies:
   flutter_test:
     sdk: flutter
   mockito: 5.4.4
-  plugin_platform_interface: ^2.0.0
+  plugin_platform_interface: ^2.1.7
 
 topics:
   - camera

packages/camera/camera_platform_interface/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.7.2
+
+* Updates minimum required plugin_platform_interface version to 2.1.7.
+
 ## 2.7.1
 
 * Fixes new lint warnings.

packages/camera/camera_platform_interface/pubspec.yaml

@@ -4,7 +4,7 @@ repository: https://github.com/flutter/packages/tree/main/packages/camera/camera
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+camera%22
 # NOTE: We strongly prefer non-breaking changes, even at the expense of a
 # less-clean API. See https://flutter.dev/go/platform-interface-breaking-changes
-version: 2.7.1
+version: 2.7.2
 
 environment:
   sdk: ">=3.0.0 <4.0.0"
@@ -14,7 +14,7 @@ dependencies:
   cross_file: ^0.3.1
   flutter:
     sdk: flutter
-  plugin_platform_interface: ^2.1.0
+  plugin_platform_interface: ^2.1.7
   stream_transform: ^2.0.0
 
 dev_dependencies:

packages/file_selector/file_selector/CHANGELOG.md

@@ -1,5 +1,6 @@
-## NEXT
+## 1.0.2
 
+* Updates minimum required plugin_platform_interface version to 2.1.7.
 * Updates minimum supported SDK version to Flutter 3.10/Dart 3.0.
 
 ## 1.0.1

packages/file_selector/file_selector/pubspec.yaml

@@ -3,7 +3,7 @@ description: Flutter plugin for opening and saving files, or selecting
   directories, using native file selection UI.
 repository: https://github.com/flutter/packages/tree/main/packages/file_selector/file_selector
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+file_selector%22
-version: 1.0.1
+version: 1.0.2
 
 environment:
   sdk: ">=3.0.0 <4.0.0"
@@ -39,7 +39,7 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  plugin_platform_interface: ^2.0.0
+  plugin_platform_interface: ^2.1.7
   test: ^1.16.3
 
 topics:

packages/file_selector/file_selector_android/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.5.0+6
+
+* Updates minimum required plugin_platform_interface version to 2.1.7.
+
 ## 0.5.0+5
 
 * Updates minimum supported SDK version to Flutter 3.10/Dart 3.0.

packages/file_selector/file_selector_android/pubspec.yaml

@@ -2,7 +2,7 @@ name: file_selector_android
 description: Android implementation of the file_selector package.
 repository: https://github.com/flutter/packages/tree/main/packages/file_selector/file_selector_android
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+file_selector%22
-version: 0.5.0+5
+version: 0.5.0+6
 
 environment:
   sdk: ">=3.0.0 <4.0.0"
@@ -21,7 +21,7 @@ dependencies:
   file_selector_platform_interface: ^2.5.0
   flutter:
     sdk: flutter
-  plugin_platform_interface: ^2.0.2
+  plugin_platform_interface: ^2.1.7
 
 dev_dependencies:
   build_runner: ^2.1.4

packages/file_selector/file_selector_platform_interface/CHANGELOG.md

@@ -1,5 +1,6 @@
-## NEXT
+## 2.6.2
 
+* Updates minimum required plugin_platform_interface version to 2.1.7.
 * Updates minimum supported SDK version to Flutter 3.10/Dart 3.0.
 
 ## 2.6.1