Chore: Remove empty .gitmodules file

.github/workflows/android-ci.yml

@@ -0,0 +1,43 @@
+name: Android CI
+
+on:
+  push:
+    branches: [ "master", "main" ]
+  pull_request:
+    branches: [ "*" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: '17'
+
+      - name: Set up Gradle
+        uses: gradle/actions/setup-gradle@v3
+
+      - name: Set up Android SDK
+        uses: android-actions/setup-android@v3
+
+      - name: Install SDK packages
+        shell: bash
+        run: |
+          sdkmanager --install \
+            "platforms;android-34" \
+            "build-tools;34.0.0" \
+            "platform-tools"
+          yes | sdkmanager --licenses
+
+      - name: Build library
+        run: ./gradlew :veridui:assemble --no-daemon --stacktrace
+
+      - name: Run checks (no-UI)
+        run: ./gradlew :veridui:test --no-daemon --stacktrace
+

README.md

@@ -248,12 +248,19 @@ We opted to separate the new API to its own packages so both Ver-ID 1.+ and Ver-
 
 ## Requirements
 
-To build this project and to run the sample app you will need a computer with these applications:
+To build this project and run the sample app you'll need:
 
-- [Android Studio 4](https://developer.android.com/studio) with Gradle plugin version 4.0.0 or newer
+- [Android Studio](https://developer.android.com/studio) with Android Gradle Plugin 8.2.x or newer
+- JDK 17 (Android Studio includes a compatible JDK)
 - [Git](https://git-scm.com)
-
-The SDK runs on Android 5.0 (API level 21) and newer.
+
+Minimum supported Android version for the UI library is Android 8.0 (API level 26).
+
+If you prefer the command line, you can build the UI library with:
+
+```bash
+./gradlew :veridui:assemble
+```
 
 ## Running the sample app