chore: ci workflow for app size analysis

.github/actions/size-analysis-setup/action.yml

@@ -0,0 +1,49 @@
+name: Size Analysis Setup
+description: Common setup steps for size analysis builds (Flutter, Sentry CLI, version parsing)
+
+runs:
+  using: composite
+
+  steps:
+    - name: Read configured Flutter SDK version
+      id: conf
+      shell: bash
+      working-directory: packages/flutter/example
+      run: |
+        version=$(grep "version" ../../../metrics/flutter.properties | cut -d'=' -f2 | xargs)
+        echo "flutter=$version" >> "$GITHUB_OUTPUT"
+
+    - name: Install Flutter v${{ steps.conf.outputs.flutter }}
+      uses: subosito/flutter-action@fd55f4c5af5b953cc57a2be44cb082c8f6635e8e # pin@v2.21.0
+      with:
+        flutter-version: ${{ steps.conf.outputs.flutter }}
+
+    - name: Install Sentry CLI
+      if: env.SENTRY_AUTH_TOKEN != ''
+      shell: bash
+      run: curl -sL https://sentry.io/get-cli/ | SENTRY_CLI_VERSION=2.58.2 sh
+
+    - name: Determine build version
+      shell: bash
+      working-directory: packages/flutter/example
+      run: |
+        version_line=$(grep '^version:' pubspec.yaml | awk '{print $2}')
+        # Remove any + suffix first (for pubspec.yaml versions like 1.2.3+4)
+        version=${version_line%%+*}
+
+        # Parse version: x.y.z-suffix.n → build_name=x.y.z, build_number=n
+        # Supports: x.y.z, x.y.z-alpha.n, x.y.z-beta.n, x.y.z-rc.n, etc.
+        # Note: build_name is x.y.z only (plist/Android compatibility)
+        if [[ $version =~ ^([0-9]+\.[0-9]+\.[0-9]+)-[a-zA-Z]+\.([0-9]+)$ ]]; then
+          build_name="${BASH_REMATCH[1]}"
+          build_number="${BASH_REMATCH[2]}"
+        elif [[ $version =~ ^([0-9]+\.[0-9]+\.[0-9]+)$ ]]; then
+          build_name="${BASH_REMATCH[1]}"
+          build_number=1
+        else
+          build_name="$version"
+          build_number=1
+        fi
+
+        echo "SIZE_VERSION=$build_name" >> "$GITHUB_ENV"
+        echo "SIZE_BUILD=$build_number" >> "$GITHUB_ENV"

.github/workflows/size-analysis.yml

@@ -0,0 +1,88 @@
+name: Size Analysis
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+env:
+  SENTRY_ORG: sentry-sdks
+  SENTRY_PROJECT: sentry-flutter
+  SENTRY_AUTH_TOKEN: ${{ secrets.SENTRY_AUTH_TOKEN }}
+
+jobs:
+  android:
+    name: Android
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    defaults:
+      run:
+        working-directory: packages/flutter/example
+
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          fetch-depth: 0
+
+      - uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5
+        with:
+          distribution: 'adopt'
+          java-version: '17'
+
+      - uses: ./.github/actions/size-analysis-setup
+
+      - name: Build Android Appbundle
+        run: |
+          flutter pub get
+          flutter build appbundle --release \
+            --build-name "$SIZE_VERSION" \
+            --build-number "$SIZE_BUILD"
+
+      - name: Upload Android Bundle to Sentry Size Analysis
+        if: env.SENTRY_AUTH_TOKEN != ''
+        run: |
+          sentry-cli build upload \
+            "build/app/outputs/bundle/release/app-release.aab" \
+            --org "${{ env.SENTRY_ORG }}" \
+            --project "${{ env.SENTRY_PROJECT }}" \
+            --build-configuration "Release"
+
+  ios:
+    name: iOS
+    runs-on: macos-15
+    timeout-minutes: 45
+    defaults:
+      run:
+        working-directory: packages/flutter/example
+
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          fetch-depth: 0
+
+      - uses: ./.github/actions/size-analysis-setup
+
+      # QuickFix for failing iOS 18.0 builds https://github.com/actions/runner-images/issues/12758#issuecomment-3187115656
+      - name: Switch to Xcode 16.4 for iOS 18.5
+        run: sudo xcode-select --switch /Applications/Xcode_16.4.app
+
+      - name: Build Flutter iOS
+        run: |
+          flutter pub get
+          flutter build ipa --release --no-codesign \
+            --build-name "$SIZE_VERSION" \
+            --build-number "$SIZE_BUILD"
+
+      - name: Upload iOS XCArchive to Sentry Size Analysis
+        if: env.SENTRY_AUTH_TOKEN != ''
+        run: |
+          sentry-cli build upload \
+            "build/ios/archive/Runner.xcarchive" \
+            --org "${{ env.SENTRY_ORG }}" \
+            --project "${{ env.SENTRY_PROJECT }}" \
+            --build-configuration "Release"

packages/flutter/example/android/app/build.gradle

@@ -27,7 +27,7 @@ if (flutterVersionName == null) {
 }
 
 android {
-    namespace = "io.sentry.samples.flutter"
+    namespace = "io.sentry.flutter.sample"
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_1_8
         targetCompatibility = JavaVersion.VERSION_1_8
@@ -44,7 +44,7 @@ android {
     }
 
     defaultConfig {
-        applicationId "io.sentry.samples.flutter"
+        applicationId "io.sentry.flutter.sample"
         minSdkVersion flutter.minSdkVersion
         targetSdkVersion 36
         versionCode flutterVersionCode.toInteger()

packages/flutter/example/android/app/proguard-rules.pro

@@ -1 +1 @@
--keep class io.sentry.samples.flutter.** { *; }
+-keep class io.sentry.flutter.sample.** { *; }

packages/flutter/example/android/app/src/main/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="io.sentry.samples.flutter">
+    package="io.sentry.flutter.sample">
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

packages/flutter/example/android/app/src/main/kotlin/io/sentry/samples/flutter/MainActivity.kt → packages/flutter/example/android/app/src/main/kotlin/io/sentry/flutter/sample/MainActivity.kt

@@ -1,4 +1,4 @@
-package io.sentry.samples.flutter
+package io.sentry.flutter.sample
 
 import android.os.Handler
 import io.flutter.embedding.android.FlutterActivity

packages/flutter/example/integration_test/integration_test.dart

@@ -305,9 +305,7 @@ void main() {
     final contexts = await SentryFlutter.native?.loadContexts();
 
     final appPackageInfo = await PackageInfo.fromPlatform();
-    final expectedAppId = Platform.isAndroid
-        ? 'io.sentry.samples.flutter'
-        : 'io.sentry.flutter.sample';
+    const expectedAppId = 'io.sentry.flutter.sample';
     final expectedSdkName =
         Platform.isAndroid ? 'maven:sentry-android' : 'cocoapods:sentry-cocoa';
     final expectedVersion = appPackageInfo.version;

packages/flutter/test/android_platform_exception_event_processor_test.dart

@@ -243,9 +243,9 @@ const _jvmStackTrace =
 	at io.flutter.plugin.common.StandardMessageCodec.writeValue(StandardMessageCodec.java:292)
 	at io.flutter.plugin.common.StandardMethodCodec.encodeSuccessEnvelope(StandardMethodCodec.java:59)
 	at io.flutter.plugin.common.MethodChannel\$IncomingMethodCallHandler\$1.success(MethodChannel.java:267)
-	at io.sentry.samples.flutter.MainActivity.configureFlutterEngine\$lambda-0(MainActivity.kt:40)
-	at io.sentry.samples.flutter.MainActivity.lambda\$TiSaAm1LIEmKLVswI4BlR_5sw5Y(Unknown Source:0)
-	at io.sentry.samples.flutter.-\$\$Lambda\$MainActivity\$TiSaAm1LIEmKLVswI4BlR_5sw5Y.onMethodCall(Unknown Source:2)
+	at io.sentry.flutter.sample.MainActivity.configureFlutterEngine\$lambda-0(MainActivity.kt:40)
+	at io.sentry.flutter.sample.MainActivity.lambda\$TiSaAm1LIEmKLVswI4BlR_5sw5Y(Unknown Source:0)
+	at io.sentry.flutter.sample.-\$\$Lambda\$MainActivity\$TiSaAm1LIEmKLVswI4BlR_5sw5Y.onMethodCall(Unknown Source:2)
 	at io.flutter.plugin.common.MethodChannel\$IncomingMethodCallHandler.onMessage(MethodChannel.java:262)
 	at io.flutter.embedding.engine.dart.DartMessenger.invokeHandler(DartMessenger.java:296)
 	at io.flutter.embedding.engine.dart.DartMessenger.lambda\$dispatchMessageToQueue\$0\$DartMessenger(DartMessenger.java:320)

packages/flutter/test/jvm/jvm_exception_test.dart

@@ -208,9 +208,9 @@ java.lang.IllegalArgumentException: Unsupported value: '[Ljava.lang.StackTraceEl
 	at io.flutter.plugin.common.StandardMessageCodec.writeValue(StandardMessageCodec.java:292)
 	at io.flutter.plugin.common.StandardMethodCodec.encodeSuccessEnvelope(StandardMethodCodec.java:59)
 	at io.flutter.plugin.common.MethodChannel\$IncomingMethodCallHandler\$1.success(MethodChannel.java:267)
-	at io.sentry.samples.flutter.MainActivity.configureFlutterEngine\$lambda-0(MainActivity.kt:40)
-	at io.sentry.samples.flutter.MainActivity.lambda\$TiSaAm1LIEmKLVswI4BlR_5sw5Y(Unknown Source:0)
-	at io.sentry.samples.flutter.-\$\$Lambda\$MainActivity\$TiSaAm1LIEmKLVswI4BlR_5sw5Y.onMethodCall(Unknown Source:2)
+	at io.sentry.flutter.sample.MainActivity.configureFlutterEngine\$lambda-0(MainActivity.kt:40)
+	at io.sentry.flutter.sample.MainActivity.lambda\$TiSaAm1LIEmKLVswI4BlR_5sw5Y(Unknown Source:0)
+	at io.sentry.flutter.sample.-\$\$Lambda\$MainActivity\$TiSaAm1LIEmKLVswI4BlR_5sw5Y.onMethodCall(Unknown Source:2)
 	at io.flutter.plugin.common.MethodChannel\$IncomingMethodCallHandler.onMessage(MethodChannel.java:262)
 	at io.flutter.embedding.engine.dart.DartMessenger.invokeHandler(DartMessenger.java:296)
 	at io.flutter.embedding.engine.dart.DartMessenger.lambda\$dispatchMessageToQueue\$0\$DartMessenger(DartMessenger.java:320)
@@ -248,7 +248,7 @@ android.content.res.Resources\$NotFoundException: Unable to find resource ID #0x
 
 const platformExceptionWithEmptyStackFrames = '''
 java.lang.RuntimeException: Catch this platform exception!
-    at io.sentry.samples.flutter.MainActivity\$configureFlutterEngine\$1.onMethodCall(MainActivity.kt:40)
+    at io.sentry.flutter.sample.MainActivity\$configureFlutterEngine\$1.onMethodCall(MainActivity.kt:40)
     at io.flutter.plugin.common.MethodChannel\$IncomingMethodCallHandler.onMessage(MethodChannel.java:258)
     at io.flutter.embedding.engine.dart.DartMessenger.invokeHandler(DartMessenger.java:295)
     at io.flutter.embedding.engine.dart.DartMessenger.lambda\$dispatchMessageToQueue\$0\$io-flutter-embedding-engine-dart-DartMessenger(DartMessenger.java:322)

packages/flutter/test/jvm/jvm_frame_test.dart

@@ -68,14 +68,14 @@ void main() {
 
   test('parses frame with lambda and unknown source', () {
     final frame = JvmFrame.parse(
-      'at io.sentry.samples.flutter.-\$\$Lambda\$MainActivity\$TiSaAm1LIEmKLVswI4BlR_5sw5Y.onMethodCall(Unknown Source:2)',
+      'at io.sentry.flutter.sample.-\$\$Lambda\$MainActivity\$TiSaAm1LIEmKLVswI4BlR_5sw5Y.onMethodCall(Unknown Source:2)',
     );
     expect(frame.fileName, 'Unknown Source');
     expect(frame.lineNumber, 2);
     expect(frame.method, 'onMethodCall');
     expect(
       frame.className,
-      'io.sentry.samples.flutter.-\$\$Lambda\$MainActivity\$TiSaAm1LIEmKLVswI4BlR_5sw5Y',
+      'io.sentry.flutter.sample.-\$\$Lambda\$MainActivity\$TiSaAm1LIEmKLVswI4BlR_5sw5Y',
     );
     expect(frame.skippedFrames, null);
     expect(frame.isNativeMethod, false);