Upgrade targetSdkVersion and compileSdkVersion to 33 (#112936)

packages/flutter_tools/gradle/flutter.gradle

@@ -30,13 +30,13 @@ import org.gradle.util.VersionNumber
 /** For apps only. Provides the flutter extension used in app/build.gradle. */
 class FlutterExtension {
     /** Sets the compileSdkVersion used by default in Flutter app projects. */
-    static int compileSdkVersion = 31
+    static int compileSdkVersion = 33
 
     /** Sets the minSdkVersion used by default in Flutter app projects. */
     static int minSdkVersion = 16
 
     /** Sets the targetSdkVersion used by default in Flutter app projects. */
-    static int targetSdkVersion = 31
+    static int targetSdkVersion = 33
 
     /**
      * Sets the ndkVersion used by default in Flutter app projects.

packages/flutter_tools/test/integration.shard/android_e2e_api_test.dart

@@ -0,0 +1,74 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:file/file.dart';
+import 'package:flutter_tools/src/base/io.dart';
+
+import '../src/common.dart';
+import 'test_utils.dart';
+
+void main() {
+  late Directory tempDir;
+
+  setUp(() async {
+    tempDir = createResolvedTempDirectorySync('run_test.');
+  });
+
+  tearDown(() async {
+    tryToDelete(tempDir);
+  });
+
+  testWithoutContext('build succeeds with api 33 features', () async {
+    final String flutterBin = fileSystem.path.join(getFlutterRoot(), 'bin', 'flutter');
+    ProcessResult result = await processManager.run(<String>[
+      flutterBin,
+      'create',
+      tempDir.path,
+      '--project-name=testapp',
+    ], workingDirectory: tempDir.path);
+    expect(result.exitCode, 0);
+
+    final File api33File = tempDir
+       .childDirectory('android')
+       .childDirectory('app')
+       .childDirectory('src')
+       .childDirectory('main')
+       .childDirectory('java')
+       .childFile('Android33Api.java');
+
+    api33File.createSync(recursive: true);
+    // AccessibilityManager.isAudioDescriptionRequested() is an API 33 feature
+    api33File.writeAsStringSync('''
+import android.app.Activity;
+import android.view.accessibility.AccessibilityManager;
+import androidx.annotation.Keep;
+import io.flutter.Log;
+
+@Keep
+public final class Android33Api extends Activity {
+  private AccessibilityManager accessibilityManager;
+
+  public Android33Api() {
+    accessibilityManager = getSystemService(AccessibilityManager.class);
+  }
+
+  public void doSomething() {
+    if (accessibilityManager.isAudioDescriptionRequested()) {
+      Log.e("flutter", "User has requested to enable audio descriptions");
+    }
+  }
+}
+
+''');
+
+    result = await processManager.run(<String>[
+      flutterBin,
+      ...getLocalEngineArguments(),
+      'build',
+      'apk',
+    ], workingDirectory: tempDir.path);
+    expect(result.exitCode, 0);
+    expect(result.stdout.toString(), contains('app-release.apk'));
+  });
+}