auto release on version tag

@@ -10,9 +10,9 @@ jobs:
   build:
     runs-on: ubuntu-latest
     defaults:
-      run: 
+      run:
         working-directory: ./client-sdk-android
-    steps:    
+    steps:
     - name: checkout client-sdk-android
       uses: actions/checkout@v2.3.4
       with:
@@ -32,6 +32,7 @@ jobs:
 
     - name: Grant execute permission for gradlew
       run: chmod +x gradlew
+
     - name: Build with Gradle
       run: ./gradlew livekit-android-sdk:assembleRelease
 

@@ -45,3 +45,25 @@ jobs:
         AWS_ACCESS_KEY_ID: ${{ secrets.DOCS_DEPLOY_AWS_ACCESS_KEY }}
         AWS_SECRET_ACCESS_KEY: ${{ secrets.DOCS_DEPLOY_AWS_API_SECRET }}
         AWS_DEFAULT_REGION: "us-east-1"
+
+    - name: Build with Gradle
+      run: ./gradlew livekit-android-sdk:assembleRelease
+
+    - name: Create gpg key and import into gradle properties
+      run: |
+        echo $GPG_KEY_ARMOR | base64 --decode > ./release.asc
+        gpg --quiet --output $GITHUB_WORKSPACE/release.gpg --dearmor ./release.asc
+        sed -i -e "s,nexusUsername=,nexusUsername=$NEXUS_USERNAME,g" gradle.properties
+        sed -i -e "s,nexusPassword=,nexusPassword=$NEXUS_PASSWORD,g" gradle.properties
+        sed -i -e "s,signing.keyId=,signing.keyId=$GPG_KEY_ID,g" gradle.properties
+        sed -i -e "s,signing.password=,signing.password=$GPG_PASSWORD,g" gradle.properties
+        sed -i -e "s,signing.secretKeyRingFile=,signing.secretKeyRingFile=$GITHUB_WORKSPACE/release.gpg,g" gradle.properties
+      env:
+        GPG_KEY_ARMOR: "${{ secrets.SIGNING_KEY_ARMOR }}"
+        GPG_KEY_ID: ${{ secrets.SIGNING_KEY_ID }}
+        GPG_PASSWORD: ${{ secrets.SIGNING_KEY_PASSWORD }}
+        NEXUS_USERNAME: ${{ secrets.NEXUS_USERNAME }}
+        NEXUS_PASSWORD: ${{ secrets.NEXUS_PASSWORD }}
+
+    - name: Publish release
+      run: ./gradlew publish closeAndReleaseRepository