diff --git a/.github/workflows/github_build.yml b/.github/workflows/github_build.yml
new file mode 100644
--- /dev/null
+++ b/.github/workflows/github_build.yml
@@ -0,0 +1,25 @@
+name: Build
+on:
+  workflow_dispatch
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+
+      - name: Setup Java
+        uses: actions/setup-java@v1
+        with:
+          java-version: '11'
+
+      - name: Build
+        run: ./gradlew assembleDebug
+
+      - name: Upload
+        uses: actions/upload-artifact@v2
+        with:
+          name: app-debug.apk
+          path: app/build/outputs/apk/debug/app-debug.apk