[camera_android] Downgrade to AGP 7.3.0 to fix build_alll_packages test failures (#4997)

Fixes the current failures of the build_all_packages tests that were caused in https://github.com/flutter/packages/pull/4951/files.

Author: gmackall

packages/camera/camera_android/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.10.8+11
+
+* Downgrades AGP version for compatibility with legacy projects.
+
 ## 0.10.8+10
 
 * Sets android.defaults.buildfeatures.buildconfig to true for compatibility with AGP 8.0+.

packages/camera/camera_android/android/build.gradle

@@ -9,7 +9,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:8.1.1'
+        classpath 'com.android.tools.build:gradle:7.3.0'
     }
 }
 

packages/camera/camera_android/pubspec.yaml

@@ -3,7 +3,7 @@ description: Android implementation of the camera plugin.
 repository: https://github.com/flutter/packages/tree/main/packages/camera/camera_android
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+camera%22
 
-version: 0.10.8+10
+version: 0.10.8+11
 
 environment:
   sdk: ">=2.19.0 <4.0.0"

script/configs/exclude_all_packages_app.yaml

@@ -6,15 +6,8 @@
 # updating multiple packages for a breaking change in a common dependency in
 # cases where using a relaxed version constraint isn't possible.
 
-# An application cannot depend directly on multiple federated implementations
-# of the same plugin for the same platform, which means the app cannot
-# directly depend on both camera_android and camera_android_androidx.
-# Since camera_android is endorsed, it will be included transitively
-# already, so exclude it from the direct dependency list to allow including
-# camera_android_androidx to ensure that they don't conflict at build time
-# (if they did, it would be impossible to use camera_android_androidx while
-# camera_android is endorsed).
-- camera_android
+# NOTE: camera_android is semi-excluded via special casing in the repo tools.
+# See create_all_packages_app_command.dart.
 
 # This is a permament entry, as it should never be a direct app dependency.
 - plugin_platform_interface

script/tool/lib/src/create_all_packages_app_command.dart

@@ -293,6 +293,20 @@ dependencies {}
       },
       dependencyOverrides: pluginDeps,
     );
+
+    // An application cannot depend directly on multiple federated
+    // implementations of the same plugin for the same platform, which means the
+    // app cannot directly depend on both camera_android and
+    // camera_android_androidx. Since camera_android is endorsed, it will be
+    // included transitively already, so exclude it from the direct dependency
+    // list to allow including camera_android_androidx to ensure that they don't
+    // conflict at build time (if they did, it would be impossible to use
+    // camera_android_androidx while camera_android is endorsed).
+    // This is special-cased here, rather than being done via the normal
+    // exclusion config file mechanism, because it still needs to be in the
+    // depenedency overrides list to ensure that the version from path is used.
+    pubspec.dependencies.remove('camera_android');
+
     app.pubspecFile.writeAsStringSync(_pubspecToString(pubspec));
   }
 

script/tool/test/create_all_packages_app_command_test.dart

@@ -10,6 +10,7 @@ import 'package:file/memory.dart';
 import 'package:flutter_plugin_tools/src/common/core.dart';
 import 'package:flutter_plugin_tools/src/create_all_packages_app_command.dart';
 import 'package:platform/platform.dart';
+import 'package:pubspec_parse/pubspec_parse.dart';
 import 'package:test/test.dart';
 
 import 'mocks.dart';
@@ -205,6 +206,38 @@ project 'Runner', {
           ]));
     });
 
+    test(
+        'pubspec special-cases camera_android to remove it from deps but not overrides',
+        () async {
+      writeFakeFlutterCreateOutput(testRoot);
+      final Directory cameraDir = packagesDir.childDirectory('camera');
+      createFakePlugin('camera', cameraDir);
+      createFakePlugin('camera_android', cameraDir);
+      createFakePlugin('camera_android_camerax', cameraDir);
+
+      await runCapturingPrint(runner, <String>['create-all-packages-app']);
+      final Pubspec pubspec = command.app.parsePubspec();
+
+      final Dependency? cameraDependency = pubspec.dependencies['camera'];
+      final Dependency? cameraAndroidDependency =
+          pubspec.dependencies['camera_android'];
+      final Dependency? cameraCameraXDependency =
+          pubspec.dependencies['camera_android_camerax'];
+      expect(cameraDependency, isA<PathDependency>());
+      expect((cameraDependency! as PathDependency).path,
+          endsWith('/packages/camera/camera'));
+      expect(cameraCameraXDependency, isA<PathDependency>());
+      expect((cameraCameraXDependency! as PathDependency).path,
+          endsWith('/packages/camera/camera_android_camerax'));
+      expect(cameraAndroidDependency, null);
+
+      final Dependency? cameraAndroidOverride =
+          pubspec.dependencyOverrides['camera_android'];
+      expect(cameraAndroidOverride, isA<PathDependency>());
+      expect((cameraAndroidOverride! as PathDependency).path,
+          endsWith('/packages/camera/camera_android'));
+    });
+
     test('legacy files are copied when requested', () async {
       writeFakeFlutterCreateOutput(testRoot);
       createFakePlugin('plugina', packagesDir);