Add CI workflows for building and running the example app

.github/workflows/build.yml

@@ -0,0 +1,32 @@
+name: Build
+
+on:
+  push:
+    branches: [main]
+    paths-ignore:
+      - '**.md'
+  pull_request:
+    branches: [main]
+    paths-ignore:
+      - '**.md'
+
+jobs:
+  build:
+    runs-on: ubuntu-22.04
+    steps:
+      # https://github.com/actions/checkout/releases/tag/v4.2.2
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+      # https://github.com/actions/setup-java/releases/tag/v4.7.1
+      - name: Setup Java
+        uses: actions/setup-java@c5195efecf7bdfc987ee8bae7a71cb8b11521c00 # v4.7.1
+        with:
+          distribution: temurin
+          java-version: 11
+          cache: 'gradle'
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Build with Gradle
+        run: ./gradlew assembleDebug

.github/workflows/run.yml

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+name: Run
+
+on:
+  push:
+    branches: [main]
+    paths-ignore:
+      - '**.md'
+  pull_request:
+    branches: [main]
+    paths-ignore:
+      - '**.md'
+
+jobs:
+  run:
+    runs-on: ubuntu-22.04
+    permissions:
+      id-token: write
+      contents: read
+    steps:
+      # https://github.com/actions/checkout/releases/tag/v4.2.2
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+      # https://github.com/launchdarkly/gh-actions/releases/tag/release-secrets-v1.2.0
+      - uses: launchdarkly/gh-actions/actions/release-secrets@bbbbbda684f500766264e7fe327668094ba83d1c # release-secrets-v1.2.0
+        name: 'Get mobile key and flag key'
+        with:
+          aws_assume_role: ${{ vars.AWS_ROLE_ARN }}
+          ssm_parameter_pairs: '/sdk/common/hello-apps/mobile-key = LAUNCHDARKLY_MOBILE_KEY,
+            /sdk/common/hello-apps/boolean-flag-key = LAUNCHDARKLY_FLAG_KEY'
+
+      - name: Configure SDK mobile key
+        run: |
+          sed -i "s/mobile-key-from-launch-darkly-website/$LAUNCHDARKLY_MOBILE_KEY/" app/src/main/java/com/launchdarkly/hello_android/MainApplication.java
+
+      - name: Configure feature flag key
+        run: |
+          sed -i '0,/my-boolean-flag/{s/my-boolean-flag/'"$LAUNCHDARKLY_FLAG_KEY"'/}' app/src/main/java/com/launchdarkly/hello_android/MainActivity.java
+
+      # https://github.com/actions/setup-java/releases/tag/v4.7.1
+      - name: Setup Java
+        uses: actions/setup-java@c5195efecf7bdfc987ee8bae7a71cb8b11521c00 # v4.7.1
+        with:
+          distribution: temurin
+          java-version: 11
+          cache: 'gradle'
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Build debug APK
+        run: ./gradlew assembleDebug
+
+      - name: Enable KVM group perms (for performance)
+        run: |
+          echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
+          sudo udevadm control --reload-rules
+          sudo udevadm trigger --name-match=kvm
+
+      # https://github.com/jlumbroso/free-disk-space/releases/tag/v1.3.1
+      - name: Free disk space
+        uses: jlumbroso/free-disk-space@54081f138730dfa15788a46383842cd2f914a1be # v1.3.1
+        with:
+          android: false
+          large-packages: false
+
+      # https://github.com/reactivecircus/android-emulator-runner/releases/tag/v2.34.0
+      - name: Run on emulator
+        uses: reactivecircus/android-emulator-runner@324029e2f414c084d8b15ba075288885e74aef9c # v2.34.0
+        with:
+          api-level: 29
+          arch: x86_64
+          script: |
+            adb install app/build/outputs/apk/debug/app-debug.apk
+            adb shell am start -n com.launchdarkly.hello_android/.MainActivity
+            sleep 30
+            adb exec-out uiautomator dump /dev/tty > /tmp/uidump.xml
+            cat /tmp/uidump.xml
+            grep -oi 'Feature flag.*is true' /tmp/uidump.xml