diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 863d685..536a6d2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,3 +1,17 @@
+# Copyright (C) 2020 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 name: Android CI
 
 on:
@@ -7,27 +21,31 @@ on:
     branches: [ master ]
 
 jobs:
-  build:
 
+  build:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - name: set up JDK 11
-      uses: actions/setup-java@v2
-      with:
-        java-version: '11'
-        distribution: 'adopt'
-        cache: gradle
+      - uses: actions/checkout@v2
+      - name: set up JDK 11
+        uses: actions/setup-java@v2
+        with:
+          java-version: '11'
+          distribution: 'adopt'
+          cache: gradle
+      - name: Build project
+        run: .github/scripts/gradlew_recursive.sh assembleDebug
+      - name: Zip artifacts
+        run: zip -r assemble.zip . -i '**/build/*.apk' '**/build/*.aab' '**/build/*.aar' '**/build/*.so'
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v1
+        with:
+          name: assemble
+          path: assemble.zip
+      - name: ktlint
+        uses: ScaCap/action-ktlint@master
+        with:
+          github_token: ${{ secrets.github_token }}
+          android: true
+          reporter: github-pr-review # Change reporter
 
-    - name: Grant execute permission for gradlew
-      run: chmod +x gradlew
-    - name: Build with Gradle
-      run: ./gradlew build
-
-    - name: ktlint
-      uses: ScaCap/action-ktlint@master
-      with:
-        github_token: ${{ secrets.github_token }}
-        android: true
-        reporter: github-pr-review # Change reporter