Add android detox apk build workflow (#8405)

.github/workflows/e2e-android-detox.yml

@@ -0,0 +1,73 @@
+name: Detox E2E Android Tests PR
+
+on:
+    pull_request:
+      branches:
+        - main
+      types:
+        - labeled
+
+concurrency:
+    group: "${{ github.workflow }}-${{ github.event.pull_request.number }}-${{ github.event.label.name }}"
+    cancel-in-progress: true
+
+jobs:
+    build-android-apk:
+        if: github.event.label.name == 'E2E Android tests for PR'
+        runs-on: ubuntu-latest-8-cores
+        env:
+            ORG_GRADLE_PROJECT_jvmargs: -Xmx8g
+        steps:
+            - name: Prune Docker to free up space
+              run: docker system prune -af
+
+            - name: Remove npm Temporary Files
+              run: |
+               rm -rf ~/.npm/_cacache
+
+            - name: ci/checkout-repo
+              uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+              with:
+                ref: ${{ github.event.pull_request.head.sha }}
+
+            - name: ci/prepare-android-build
+              uses: ./.github/actions/prepare-android-build
+              env:
+                STORE_FILE: "${{ secrets.MM_MOBILE_STORE_FILE }}"
+                STORE_ALIAS: "${{ secrets.MM_MOBILE_STORE_ALIAS }}"
+                STORE_PASSWORD: "${{ secrets.MM_MOBILE_STORE_PASSWORD }}"
+                MATTERMOST_BUILD_GH_TOKEN: "${{ secrets.MATTERMOST_BUILD_GH_TOKEN }}"
+
+            - name: Install Dependencies
+              run: sudo apt-get clean && sudo apt-get update && sudo apt-get install -y default-jdk
+      
+            - name: Cache Gradle dependencies
+              uses: actions/cache@v4
+              with:
+                path: ~/.gradle/caches/modules-2/
+                key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+                restore-keys: ${{ runner.os }}-gradle-
+
+            - name: Validate Gradle wrapper
+              uses: gradle/actions/wrapper-validation@v3
+
+            - name: Inject Detox settings
+              run: cd detox && npm run e2e:android-inject-settings
+
+            - name: Update minSdkVersion for react-native-image-picker
+              run: |
+                sed -i 's/minSdkVersion 21/minSdkVersion 23/' ./node_modules/react-native-image-picker/android/build.gradle
+                cat ./node_modules/react-native-image-picker/android/build.gradle | grep minSdkVersion
+
+            - name: Detox build
+              run: |
+                cd detox
+                npm install
+                npm install -g detox-cli
+                npm run e2e:android-build
+
+            - name: ci/upload-android-pr-build
+              uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1
+              with:
+                name: android-build-apk-${{ github.run_id }}
+                path: "android/app/build/outputs/apk/**/app-*.apk"

detox/README.md

@@ -20,7 +20,8 @@ npm run inject-detox-settings
 
 ### Update `minSdkVersion` for `react-native-image-picker`
 
-On macOS machines, update the `minSdkVersion` of `react-native-image-picker` to 23 by running the following command from the root directory:
+On macOS machines, update the `minSdkVersion` of `react-native-image-picker` to 23 by running the following command from the root directory.
+This is required for Detox to build the test apk targeting android API 31 or higher.
 
 ```sh
 sed -i '' 's/minSdkVersion 21/minSdkVersion 23/' ./node_modules/react-native-image-picker/android/build.gradle