feat: add example Rock app

.changeset/navigation-codegen-blank-line.md

@@ -0,0 +1,5 @@
+---
+'@callstack/brownfield-cli': patch
+---
+
+The navigation codegen no longer adds an extra blank line after the imports in the generated `index.ts`, which made the file fail Prettier.

.github/actions/androidapp-road-test/action.yml

@@ -3,7 +3,7 @@ description: Package the given RN app as AAR, publish to Maven Local, build the
 
 inputs:
   flavor:
-    description: 'AndroidApp flavor to build (expo<version> or vanilla)'
+    description: 'AndroidApp flavor to build (expo<version>, vanilla or rock)'
     required: true
 
   rn-project-path:

.github/actions/appleapp-road-test/action.yml

@@ -3,7 +3,7 @@ description: Package the given RN app as XCFramework, build the corresponding Ap
 
 inputs:
   variant:
-    description: 'AppleApp yarn command variant to run (vanilla or expo<version>)'
+    description: 'AppleApp yarn command variant to run (vanilla, expo<version> or rock)'
     required: true
 
   rn-project-path:

.github/workflows/ci.yml

@@ -22,6 +22,7 @@ jobs:
     outputs:
       packages: ${{ steps.filter.outputs.packages }}
       rnapp: ${{ steps.filter.outputs.rnapp }}
+      rockapp: ${{ steps.filter.outputs.rockapp }}
       expo58: ${{ steps.filter.outputs.expo58 }}
       expo57: ${{ steps.filter.outputs.expo57 }}
       androidapp: ${{ steps.filter.outputs.androidapp }}
@@ -42,6 +43,11 @@ jobs:
               - 'packages/**'
             rnapp:
               - 'apps/RNApp/**'
+              - 'apps/brownfield-example-shared/**'
+              - 'apps/brownfield-example-shared-tests/**'
+            rockapp:
+              - 'apps/RockApp/**'
+              - 'apps/brownfield-example-shared/**'
               - 'apps/brownfield-example-shared-tests/**'
             expo58:
               - 'apps/ExpoApp58/**'
@@ -98,6 +104,9 @@ jobs:
       - name: Build packages
         run: yarn build
 
+      - name: Generate Brownfield Navigation bindings
+        run: yarn workspace @callstack/brownfield-example-shared codegen:navigation
+
       - name: Lint files
         run: yarn lint
 
@@ -292,6 +301,33 @@ jobs:
           e2e-apk-artifact-name: androidapp-expo57-e2e-apks
           e2e-artifact-name: detox-androidapp-expo57
 
+  android-androidapp-rock:
+    name: Android road test (RockApp & AndroidApp - Rock)
+    runs-on: ubuntu-latest
+    timeout-minutes: 120
+    needs: [filter, build-lint]
+    if: |
+      always() &&
+      (
+        needs.filter.outputs.rockapp == 'true' ||
+        needs.filter.outputs.androidapp == 'true' ||
+        needs.filter.outputs.packages == 'true' ||
+        needs.filter.outputs.gradle-plugins == 'true' ||
+        needs.filter.outputs.ci == 'true'
+      ) &&
+      (needs.build-lint.result == 'success' || needs.build-lint.result == 'skipped')
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
+
+      - name: Run RockApp -> AndroidApp road test (Rock)
+        uses: ./.github/actions/androidapp-road-test
+        with:
+          flavor: rock
+          rn-project-path: apps/RockApp
+          rn-project-maven-path: com/callstack/rnbrownfield/demo/rockapp/brownfieldlib
+
   android-androidapp-vanilla:
     name: Android road test & E2E (AndroidApp - Vanilla)
     runs-on: ubuntu-latest
@@ -382,3 +418,28 @@ jobs:
           rn-project-path: apps/ExpoApp${{ matrix.version }}
           run-e2e: ${{ matrix.run-e2e }}
           e2e-artifact-name: detox-appleapp-expo${{ matrix.version }}
+
+  ios-appleapp-rock:
+    name: iOS road test (RockApp & AppleApp - Rock)
+    runs-on: macos-26
+    timeout-minutes: 60
+    needs: [filter, build-lint]
+    if: |
+      always() &&
+      (
+        needs.filter.outputs.rockapp == 'true' ||
+        needs.filter.outputs.appleapp == 'true' ||
+        needs.filter.outputs.packages == 'true' ||
+        needs.filter.outputs.ci == 'true'
+      ) &&
+      (needs.build-lint.result == 'success' || needs.build-lint.result == 'skipped')
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
+
+      - name: Run RockApp -> AppleApp road test (Rock)
+        uses: ./.github/actions/appleapp-road-test
+        with:
+          variant: rock
+          rn-project-path: apps/RockApp

CONTRIBUTING.md

@@ -186,6 +186,7 @@ These live in a workspace, not in the root `package.json`. Run them with `yarn w
 `apps/AndroidApp` (`@callstack/brownfield-example-android-app`), one Gradle flavor per consumed RN app:
 
 - `build:example:android-consumer:vanilla` - consumes `apps/RNApp` (`assembleVanillaRelease`)
+- `build:example:android-consumer:rock` - consumes `apps/RockApp` (`assembleRockRelease`)
 - `build:example:android-consumer:expo58` - consumes `apps/ExpoApp58` (`assembleExpo58Release`)
 - `build:example:android-consumer:expo57` - consumes `apps/ExpoApp57` (`assembleExpo57Release`)
 - `build:example:android-consumer:expo` - alias for `build:example:android-consumer:expo57`
@@ -194,6 +195,7 @@ These live in a workspace, not in the root `package.json`. Run them with `yarn w
 `apps/AppleApp` (`@callstack/brownfield-example-ios-app`), each copies the XCFrameworks with `prepareXCFrameworks.js` and runs `xcodebuild`:
 
 - `build:example:ios-consumer:vanilla` - consumes `RNApp`, scheme **Brownfield Apple App Vanilla** (`Release Vanilla`)
+- `build:example:ios-consumer:rock` - consumes `RockApp`, scheme **Brownfield Apple App Rock** (`Release Rock`)
 - `build:example:ios-consumer:expo58` - consumes `ExpoApp58`, scheme **Brownfield Apple App Expo 58** (`Release`)
 - `build:example:ios-consumer:expo57` - consumes `ExpoApp57`, scheme **Brownfield Apple App Expo 57** (`Release`)
 - `build:example:ios-consumer:expo` - alias for `build:example:ios-consumer:expo57`
@@ -226,16 +228,19 @@ There are 2 brownfield host apps.
   - `build:example:android-consumer:expo58` - consumes Expo 58
   - `build:example:android-consumer:expo57` (or `expo`) - consumes Expo 57
   - `build:example:android-consumer:vanilla` - consumes the vanilla `RNApp`
+  - `build:example:android-consumer:rock` - consumes `RockApp`
 - `apps/AppleApp` - for Apple (one Xcode target per consumed RN app, each with its own shared scheme)
   - `build:example:ios-consumer:expo58` — target `Brownfield Apple App (ExpoApp58)`, scheme **Brownfield Apple App Expo 58**
   - `build:example:ios-consumer:expo57` (or `expo`) — target `Brownfield Apple App (ExpoApp57)`, scheme **Brownfield Apple App Expo 57**
   - `build:example:ios-consumer:vanilla` — target `Brownfield Apple App (RNApp)`, scheme **Brownfield Apple App Vanilla**
+  - `build:example:ios-consumer:rock` — target `Brownfield Apple App (RNApp)`, scheme **Brownfield Apple App Rock**
 
-For iOS, these scripts validate the legacy direct-XCFramework integration path. Each script uses the previously packaged artifacts from the respective directory (`apps/RNApp`, `apps/ExpoApp58`, or `apps/ExpoApp57`), invokes `prepareXCFrameworks.js` to copy XCFrameworks into `apps/AppleApp/package`, then runs `xcodebuild` against the matching scheme. The Xcode project reads fixed paths under `package/` (for example `package/BrownfieldLib.xcframework`).
+For iOS, these scripts validate the legacy direct-XCFramework integration path. Each script uses the previously packaged artifacts from the respective directory (`apps/RNApp`, `apps/RockApp`, `apps/ExpoApp58`, or `apps/ExpoApp57`), invokes `prepareXCFrameworks.js` to copy XCFrameworks into `apps/AppleApp/package`, then runs `xcodebuild` against the matching scheme. The Xcode project reads fixed paths under `package/` (for example `package/BrownfieldLib.xcframework`).
 
 | Yarn script                          | RN app      | Xcode target                       | Scheme                       | Configuration     |
 | ------------------------------------ | ----------- | ---------------------------------- | ---------------------------- | ----------------- |
 | `build:example:ios-consumer:vanilla` | `RNApp`     | `Brownfield Apple App (RNApp)`     | Brownfield Apple App Vanilla | `Release Vanilla` |
+| `build:example:ios-consumer:rock`    | `RockApp`   | `Brownfield Apple App (RNApp)`     | Brownfield Apple App Rock    | `Release Rock`    |
 | `build:example:ios-consumer:expo58`  | `ExpoApp58` | `Brownfield Apple App (ExpoApp58)` | Brownfield Apple App Expo 58 | `Release`         |
 | `build:example:ios-consumer:expo57`  | `ExpoApp57` | `Brownfield Apple App (ExpoApp57)` | Brownfield Apple App Expo 57 | `Release`         |
 
@@ -248,15 +253,18 @@ The local Swift Package Manager flow is separate from `prepareXCFrameworks.js`.
 
 1. Package the producer app with `--add-spm-package`, for example:
    - `cd apps/RNApp && yarn exec brownfield package:ios --scheme BrownfieldLib --configuration Release --add-spm-package`
+   - `cd apps/RockApp && yarn exec brownfield package:ios --scheme BrownfieldLib --configuration Release --add-spm-package`
    - `cd apps/ExpoApp58 && yarn exec brownfield package:ios --scheme BrownfieldLib --configuration Release --add-spm-package`
    - `cd apps/ExpoApp57 && yarn exec brownfield package:ios --scheme BrownfieldLib --configuration Release --add-spm-package`
 2. Open `apps/AppleApp/Brownfield Apple App.xcodeproj`.
 3. Select the host scheme you want to validate:
    - `Brownfield Apple App Vanilla`
+   - `Brownfield Apple App Rock`
    - `Brownfield Apple App Expo 58`
    - `Brownfield Apple App Expo 57`
 4. In Xcode, go to `Package Dependencies`, click `+`, choose `Add Local...`, and select the generated package folder:
    - `apps/RNApp/ios/.brownfield/package/build`
+   - `apps/RockApp/ios/.brownfield/package/build`
    - `apps/ExpoApp58/ios/.brownfield/package/build`
    - `apps/ExpoApp57/ios/.brownfield/package/build`
 5. Add the `BrownfieldLib` product to the matching AppleApp target.
@@ -279,6 +287,7 @@ Per example app (run from the repo root):
 | Command                                                         | App                               |
 | --------------------------------------------------------------- | --------------------------------- |
 | `yarn workspace @callstack/brownfield-example-rn-app test`      | Plain React Native (`apps/RNApp`) |
+| `yarn workspace @callstack/brownfield-example-rock-app test`    | Rock (`apps/RockApp`)             |
 | `yarn workspace @callstack/brownfield-example-expo-app-58 test` | Expo SDK 58 (`apps/ExpoApp58`)    |
 
 Package-level scripts (`yarn test` inside `apps/RNApp` or `apps/ExpoApp58`) invoke Jest with each app’s `jest.config.js`.
@@ -304,9 +313,11 @@ Per-app Detox scripts (run from the app directory):
 | ------------------------- | --------------------------- | -------------------------- | ---------------------------------- |
 | `RNApp`                   | `yarn e2e:build:ios`        | `yarn e2e:test:ios`        | `rnAppBrownfield.e2e.js`           |
 | `AppleApp` (vanilla)      | `yarn e2e:build:ios`        | `yarn e2e:test:ios`        | `appleAppBrownfield.e2e.js`        |
+| `AppleApp` (Rock)         | `yarn e2e:build:ios:rock`   | `yarn e2e:test:ios:rock`   | `appleAppBrownfield.e2e.js`        |
 | `AppleApp` (Expo 58)      | `yarn e2e:build:ios:expo58` | `yarn e2e:test:ios:expo58` | `appleAppExpoBrownfield.e2e.js`    |
 | `AppleApp` (Expo 57)      | `yarn e2e:build:ios:expo57` | `yarn e2e:test:ios:expo57` | `appleAppExpoBrownfield.e2e.js`    |
 | `AndroidApp` (vanilla)    | `yarn e2e:build:android`    | `yarn e2e:test:android`    | `androidAppBrownfield.e2e.js`      |
+| `AndroidApp` (Rock)       | `yarn e2e:build:android:rock` | `yarn e2e:test:android:rock` | `androidAppBrownfield.e2e.js`  |
 | `AndroidApp` (Expo 58)    | `yarn e2e:build:android:expo58` | `yarn e2e:test:android:expo58` | `androidAppExpoBrownfield.e2e.js` |
 | `AndroidApp` (Expo 57)    | `yarn e2e:build:android:expo57` | `yarn e2e:test:android:expo57` | `androidAppExpoBrownfield.e2e.js` |
 
@@ -317,6 +328,7 @@ iOS Detox E2E runs in [`.github/workflows/ci.yml`](.github/workflows/ci.yml) via
 | Job                           | E2E | Notes                                    |
 | ----------------------------- | --- | ---------------------------------------- |
 | `ios-appleapp-vanilla`        | Yes | `RNApp` → package → `AppleApp` Detox     |
+| `ios-appleapp-rock`           | No  | `RockApp` → package → `AppleApp` build   |
 | `ios-appleapp-expo` (Expo 58) | Yes | `ExpoApp58` → package → `AppleApp` Detox |
 | `ios-appleapp-expo` (Expo 57) | Yes | `ExpoApp57` → package → `AppleApp` Detox |
 
@@ -325,6 +337,7 @@ Android Detox E2E uses [`.github/actions/androidapp-road-test`](.github/actions/
 | Job                                      | E2E | Notes                                         |
 | ---------------------------------------- | --- | --------------------------------------------- |
 | `android-androidapp-vanilla`             | Yes | `RNApp` → AAR → `AndroidApp` Detox            |
+| `android-androidapp-rock`                | No  | `RockApp` → AAR → `AndroidApp` build          |
 | `android-androidapp-expo58-build` / `-e2e` | Yes | `ExpoApp58` → AAR → Detox APKs → emulator   |
 | `android-androidapp-expo57-build` / `-e2e` | Yes | `ExpoApp57` → AAR → Detox APKs → emulator   |
 
@@ -340,20 +353,22 @@ From the repo root (macOS + Xcode + Simulator required for iOS). All wrap `scrip
 | ---------------------------------------------------- | -------------------------------- |
 | `yarn ci:local:rnapp:e2e:ios`                        | RN host app E2E (`apps/RNApp`)   |
 | `yarn ci:local:appleapp:e2e:ios`                     | CI `ios-appleapp-vanilla`        |
+| `yarn ci:local:appleapp:e2e:ios --variant rock`      | Local only (CI `ios-appleapp-rock` only builds) |
 | `yarn ci:local:appleapp:e2e:ios --variant expo58`    | CI `ios-appleapp-expo` (Expo 58) |
 | `yarn ci:local:appleapp:e2e:ios --variant expo57`    | CI `ios-appleapp-expo` (Expo 57) |
 
-From `apps/AppleApp`, you can also use `yarn ci:local:e2e:ios:expo58` / `yarn ci:local:e2e:ios:expo57`.
+From `apps/AppleApp`, you can also use `yarn ci:local:e2e:ios:rock` / `yarn ci:local:e2e:ios:expo58` / `yarn ci:local:e2e:ios:expo57`.
 
 Android (Android SDK + emulator; defaults to `Pixel_4_API_34`):
 
 | Command                                                 | Mirrors                                      |
 | ------------------------------------------------------- | -------------------------------------------- |
 | `yarn ci:local:androidapp:e2e:android`                  | CI `android-androidapp-vanilla`              |
+| `yarn ci:local:androidapp:e2e:android:rock`             | Local only (CI `android-androidapp-rock` only builds) |
 | `yarn ci:local:androidapp:e2e:android:expo58`           | CI Expo 58 AndroidApp Detox                  |
 | `yarn ci:local:androidapp:e2e:android:expo57`           | CI Expo 57 AndroidApp Detox                  |
 
-From `apps/AndroidApp`, you can also use `yarn ci:local:e2e:android:expo58` / `yarn ci:local:e2e:android:expo57`.
+From `apps/AndroidApp`, you can also use `yarn ci:local:e2e:android:rock` / `yarn ci:local:e2e:android:expo58` / `yarn ci:local:e2e:android:expo57`.
 
 Common flags (append to any command above):
 

apps/AndroidApp/.detoxrc.rock.cjs

@@ -0,0 +1,10 @@
+const {
+  createAndroidAppEmulatorReleaseDetoxConfig,
+} = require('../brownfield-example-shared-tests/detox-rc-androidapp-emulator-release.cjs');
+
+/** @type {import('detox').DetoxConfig} */
+module.exports = createAndroidAppEmulatorReleaseDetoxConfig({
+  gradleFlavor: 'rock',
+  detoxConfiguration: 'android.emu.release.rock',
+  jestConfigPath: 'e2e/jest.config.rock.cjs',
+});

apps/AndroidApp/app/build.gradle.kts

@@ -43,6 +43,9 @@ android {
         create("vanilla") {
             dimension = "app"
         }
+        create("rock") {
+            dimension = "app"
+        }
     }
 
     buildTypes {
@@ -81,6 +84,7 @@ dependencies {
     add("expo58Implementation", libs.brownfieldlib.expo58)
     add("expopreviewImplementation", libs.brownfieldlib.expopreview)
     add("vanillaImplementation", libs.brownfieldlib.vanilla)
+    add("rockImplementation", libs.brownfieldlib.rock)
 
     implementation(libs.androidx.fragment.compose)
     testImplementation(libs.junit)

apps/AndroidApp/app/src/rock/java/com/callstack/brownfield/android/example/BrownfieldStore.kt

@@ -0,0 +1,4 @@
+package com.callstack.brownfield.android.example
+
+typealias BrownfieldStore = com.callstack.rnbrownfield.demo.rockapp.BrownfieldStore
+typealias User = com.callstack.rnbrownfield.demo.rockapp.User

apps/AndroidApp/app/src/rock/java/com/callstack/brownfield/android/example/ReactNativeConstants.kt

@@ -0,0 +1,7 @@
+package com.callstack.brownfield.android.example
+
+object ReactNativeConstants {
+    const val MAIN_MODULE_NAME = "RockApp"
+    const val APP_NAME = "Android"
+    const val WAIT_FOR_FULL_DISPLAY = true
+}

apps/AndroidApp/app/src/rock/java/com/callstack/brownfield/android/example/ReactNativeHostManager.kt

@@ -0,0 +1,9 @@
+package com.callstack.brownfield.android.example
+
+import android.content.res.Configuration
+
+typealias ReactNativeHostManager = com.callstack.rnbrownfield.demo.rockapp.ReactNativeHostManager
+
+fun ReactNativeHostManager.onConfigurationChanged(application: android.app.Application, newConfig: Configuration) {
+    // no-op that is prepared to match of the Expo ReactNativeHostManager
+}

apps/AndroidApp/e2e/jest.config.rock.cjs

@@ -0,0 +1,14 @@
+const path = require('node:path');
+const {
+  createDetoxJestConfig,
+} = require('../../brownfield-example-shared-tests/e2e/createDetoxJestConfig.cjs');
+
+module.exports = createDetoxJestConfig({
+  e2eDir: __dirname,
+  testMatch: [
+    path.join(
+      __dirname,
+      '../../brownfield-example-shared-tests/e2e/androidAppBrownfield.e2e.js'
+    ),
+  ],
+});

apps/AndroidApp/gradle/libs.versions.toml

@@ -20,6 +20,7 @@ brownfieldlib-expo57 = { module = "com.callstack.rnbrownfield.demo.expoapp57:bro
 brownfieldlib-expo58 = { module = "com.callstack.rnbrownfield.demo.expoapp58:brownfieldlib", version.ref = "brownfieldlib" }
 brownfieldlib-expopreview = { module = "com.callstack.rnbrownfield.demo.expoapppreview:brownfieldlib", version.ref = "brownfieldlib" }
 brownfieldlib-vanilla = { module = "com.rnapp:brownfieldlib", version.ref = "brownfieldlib" }
+brownfieldlib-rock = { module = "com.callstack.rnbrownfield.demo.rockapp:brownfieldlib", version.ref = "brownfieldlib" }
 junit = { group = "junit", name = "junit", version.ref = "junit" }
 androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
 androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }

apps/AndroidApp/gradle/wrapper/gradle-wrapper.properties

@@ -1,7 +1,7 @@
 #Thu Dec 11 23:54:21 CET 2025
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.3.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.4.1-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

apps/AndroidApp/package.json

@@ -8,13 +8,17 @@
     "build:example:android-consumer:expo58": "./gradlew assembleExpo58Release",
     "build:example:android-consumer:expopreview": "./gradlew assembleExpopreviewRelease",
     "build:example:android-consumer:vanilla": "./gradlew assembleVanillaRelease",
+    "build:example:android-consumer:rock": "./gradlew assembleRockRelease",
     "e2e:build:android": "detox build --configuration android.emu.release",
     "e2e:test:android": "detox test --configuration android.emu.release",
+    "e2e:build:android:rock": "detox build --config-path ./.detoxrc.rock.cjs --configuration android.emu.release.rock",
+    "e2e:test:android:rock": "detox test --config-path ./.detoxrc.rock.cjs --configuration android.emu.release.rock",
     "e2e:build:android:expo58": "detox build --config-path ./.detoxrc.expo58.cjs --configuration android.emu.release.expo58",
     "e2e:test:android:expo58": "detox test --config-path ./.detoxrc.expo58.cjs --configuration android.emu.release.expo58",
     "e2e:build:android:expo57": "detox build --config-path ./.detoxrc.expo57.cjs --configuration android.emu.release.expo57",
     "e2e:test:android:expo57": "detox test --config-path ./.detoxrc.expo57.cjs --configuration android.emu.release.expo57",
     "ci:local:e2e:android": "bash ../../scripts/ci-local-androidapp-android-e2e.sh",
+    "ci:local:e2e:android:rock": "bash ../../scripts/ci-local-androidapp-android-e2e.sh --variant rock",
     "ci:local:e2e:android:expo58": "bash ../../scripts/ci-local-androidapp-android-e2e.sh --variant expo58",
     "ci:local:e2e:android:expo57": "bash ../../scripts/ci-local-androidapp-android-e2e.sh --variant expo57"
   },