Nightly build: upload the application bundle to Firebase instead of the universal APK.

.github/workflows/nightly.yml

@@ -1,4 +1,4 @@
-name: Build and release nightly APK
+name: Build and release nightly application
 
 on:
   workflow_dispatch:
@@ -12,7 +12,7 @@ env:
 
 jobs:
   nightly:
-    name: Build and publish nightly APK to Firebase
+    name: Build and publish nightly bundle to Firebase
     runs-on: ubuntu-latest
     if: ${{ github.repository == 'vector-im/element-x-android' }}
     steps:
@@ -31,9 +31,9 @@ jobs:
           sed 's/CHANGES\.md/CHANGES_NIGHTLY\.md/' towncrier.toml.bak > towncrier.toml
           rm towncrier.toml.bak
           yes n | towncrier build --version nightly
-      - name: Build and upload Nightly APK
+      - name: Build and upload Nightly bundle
         run: |
-          ./gradlew assembleNightly appDistributionUploadNightly $CI_GRADLE_ARG_PROPERTIES
+          ./gradlew bundleNightly appDistributionUploadNightly $CI_GRADLE_ARG_PROPERTIES
         env:
           ELEMENT_ANDROID_MAPTILER_API_KEY: ${{ secrets.MAPTILER_KEY }}
           ELEMENT_ANDROID_MAPTILER_LIGHT_MAP_ID: ${{ secrets.MAPTILER_LIGHT_MAP_ID }}
@@ -44,7 +44,9 @@ jobs:
           FIREBASE_TOKEN: ${{ secrets.ELEMENT_ANDROID_NIGHTLY_FIREBASE_TOKEN }}
       - name: Additionally upload Nightly APK to browserstack for testing
         continue-on-error: true # don't block anything by this upload failing (for now)
-        run: curl -u "$BROWSERSTACK_USERNAME:$BROWSERSTACK_PASSWORD" -X POST "https://api-cloud.browserstack.com/app-automate/upload" -F "file=@app/build/outputs/apk/nightly/app-universal-nightly.apk" -F "custom_id=element-x-android-nightly"
+        run: |
+          ./gradlew assembleNightly $CI_GRADLE_ARG_PROPERTIES
+          curl -u "$BROWSERSTACK_USERNAME:$BROWSERSTACK_PASSWORD" -X POST "https://api-cloud.browserstack.com/app-automate/upload" -F "file=@app/build/outputs/apk/nightly/app-universal-nightly.apk" -F "custom_id=element-x-android-nightly"
         env:
           BROWSERSTACK_USERNAME: ${{ secrets.ELEMENT_ANDROID_BROWSERSTACK_USERNAME }}
           BROWSERSTACK_PASSWORD: ${{ secrets.ELEMENT_ANDROID_BROWSERSTACK_ACCESS_KEY }}

app/build.gradle.kts

@@ -124,11 +124,8 @@ android {
             }
 
             firebaseAppDistribution {
-                artifactType = "APK"
-                // We upload the universal APK to fix this error:
-                // "App Distribution found more than 1 output file for this variant.
-                // Please contact firebase-support@google.com for help using APK splits with App Distribution."
-                artifactPath = "$rootDir/app/build/outputs/apk/nightly/app-universal-nightly.apk"
+                artifactType = "AAB"
+                artifactPath = "$rootDir/app/build/outputs/bundle/nightly/app-nightly.aab"
                 // This file will be generated by the GitHub action
                 releaseNotesFile = "CHANGES_NIGHTLY.md"
                 groups = "external-testers"