ci(android): be explicit about NDK version (#7119)

.github/actions/setup-android/action.yml

@@ -0,0 +1,28 @@
+# From https://tauri.app/v1/guides/getting-started/prerequisites
+name: "Setup Android"
+description: "Sets up the dependencies for building our Android app"
+runs:
+  using: "composite"
+  steps:
+    - uses: ./.github/actions/setup-rust
+      with:
+        targets: armv7-linux-androideabi aarch64-linux-android x86_64-linux-android i686-linux-android
+
+    - uses: actions/setup-java@v4
+      with:
+        distribution: temurin
+        java-version: 17
+
+    - uses: gradle/actions/setup-gradle@v4
+
+    - uses: android-actions/setup-android@v3
+
+    - name: Install NDK
+      run: sdkmanager "ndk;27.2.12479018" # Must match `kotlin/android/app/build.gradle.kts`
+      shell: bash
+
+    - name: Validate Gradle wrapper
+      uses: gradle/actions/wrapper-validation@v4
+
+    - run: touch local.properties
+      shell: bash

.github/workflows/_kotlin.yml

@@ -17,15 +17,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-java@v4
-        with:
-          distribution: temurin
-          java-version: 17
-      - name: Validate Gradle wrapper
-        uses: gradle/actions/wrapper-validation@v4
-      - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v4
-      - run: touch local.properties
+      - uses: ./.github/actions/setup-android
       - name: Run linter
         run: ./gradlew spotlessCheck
 
@@ -35,16 +27,7 @@ jobs:
     name: build-release
     steps:
       - uses: actions/checkout@v4
-      - uses: ./.github/actions/setup-rust
-        with:
-          targets: armv7-linux-androideabi aarch64-linux-android x86_64-linux-android i686-linux-android
-      - uses: actions/setup-java@v4
-        with:
-          distribution: temurin
-          java-version: 17
-      - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v4
-      - run: touch local.properties
+      - uses: ./.github/actions/setup-android
       - name: Bundle and sign release
         env:
           KEYSTORE_BASE64: ${{ secrets.GOOGLE_UPLOAD_KEYSTORE_BASE64 }}
@@ -79,16 +62,7 @@ jobs:
     name: build-debug
     steps:
       - uses: actions/checkout@v4
-      - uses: ./.github/actions/setup-rust
-        with:
-          targets: armv7-linux-androideabi aarch64-linux-android x86_64-linux-android i686-linux-android
-      - uses: actions/setup-java@v4
-        with:
-          distribution: temurin
-          java-version: 17
-      - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v4
-      - run: touch local.properties
+      - uses: ./.github/actions/setup-android
       - name: Build debug APK
         run: |
           ./gradlew assembleDebug
@@ -125,15 +99,7 @@ jobs:
           large-packages: false
           swap-storage: true
       - uses: actions/checkout@v4
-      - uses: ./.github/actions/setup-rust
-        with:
-          targets: i686-linux-android
-      - uses: actions/setup-java@v4
-        with:
-          distribution: temurin
-          java-version: 17
-      - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v4
+      - uses: ./.github/actions/setup-android
       # Test on x86_64 only -- prevents compiling for other targets.
       # See https://github.com/mozilla/rust-android-gradle?tab=readme-ov-file#specifying-local-targets
       - run: echo 'rust.targets=x86' > local.properties

kotlin/android/app/build.gradle.kts

@@ -44,10 +44,7 @@ android {
 
     namespace = "dev.firezone.android"
     compileSdk = 34
-
-    // Life is easier if we just match the default NDK on the Ubuntu 22.04 runners
-    // https://github.com/actions/runner-images/blob/main/images/ubuntu/Ubuntu2204-Readme.md#android
-    ndkVersion = "27.1.12297006"
+    ndkVersion = "27.2.12479018" // Must match `.github/actions/setup-android/action.yml`
 
     defaultConfig {
         applicationId = "dev.firezone.android"