Sharing experience of adapting AppBundle on LINE Android CI.

Young Cha
LINE Plus LINE App 1 Android Engineer
https://linedevday.linecorp.com/2020/ja/sessions/5456
https://linedevday.linecorp.com/2020/en/sessions/5456

Transcript

2. Agenda
3. Agenda › AppBundle
4. Agenda › AppBundle › Universal APK
5. Agenda › AppBundle › Universal APK › LINE Android CI Systems
6. Agenda › AppBundle › Universal APK › LINE Android CI Systems › AGP bugs related Aab
7. Agenda › AppBundle › Universal APK › LINE Android CI Systems › AGP bugs related Aab › How to solve these issues
8. AppBundle
9. AppBundle Upload format on Google Play Store › Google Play converts optimized “Split Apk” for devices by configuration and dynamic features › Cannot installable on devices
10. AppBundle › Recommended to use latest AGP version Requires Android Gradle Plugin 3.2 or higher Upload format on Google Play Store › Google Play converts optimized “Split Apk” for devices by configuration and dynamic features › Cannot installable on devices
11. AppBundle › Recommended to use latest AGP version Requires Android Gradle Plugin 3.2 or higher Inconvenient use for in-house distribution › LINE Android team uses “Universal APK” to distribute in-house Upload format on Google Play Store › Google Play converts optimized “Split Apk” for devices by configuration and dynamic features › Cannot installable on devices
12. Universal APK
13. Universal APK › Google Play is no longer required for distribution. › Can distribute installable with single file. Pros
14. Universal APK › Google Play is no longer required for distribution. › Can distribute installable with single file. Pros Cons › Cannot determine real distribution size. › Minor settings can be differ with real distribution › ABI › Compression Level
15. Universal APK › Google Play is no longer required for distribution. › Can distribute installable with single file. Pros Cons › Cannot determine real distribution size. › Minor settings can be differ with real distribution › ABI › Compression Level How to build universal apk (without bundletool) › $ ./gradlew :app:packageDebugUniversalApk › $ ls app/build/outputs/universal_apk/debug › app-debug-universal.apk
16. LINE Android CI Systems › App packaging › Deploy Universal Apk on In-House repository for Pre-QA, QA team › Deploy AppBundle on Google Play for Dogfooding, Alpha and Production Release Pipeline Pull Request Checkers › App packaging : Universal App, AppBundle › UnitTest based Robolectric › Code formatter / Lint Checker › Etc…
17. Changes of LINE Android CI System
18. Changes of LINE Android CI System 1BDLBHJOH 6OJU5FTU -JOU
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21. Issues related with Universal App > Task :app:packageDebugUniversalApk FAILED Error: Program type already present: $r8$backportedMethods$utility$Long$1$hashCode › https://issuetracker.google.com/issues/146265847 AGP 3.6 AGP 3.4, 3.5 > Task :app:packageDebugUniversalApk FAILED Error: Program type already present: $r8$java8methods$utility$Long$hashCode$IJ › https://issuetracker.google.com/issues/139993729
22. Issues related with Universal App > Task :app:packageDebugUniversalApk FAILED Error: Program type already present: $r8$backportedMethods$utility$Long$1$hashCode › https://issuetracker.google.com/issues/146265847 AGP 3.6 AGP 3.4, 3.5 > Task :app:packageDebugUniversalApk FAILED Error: Program type already present: $r8$java8methods$utility$Long$hashCode$IJ › https://issuetracker.google.com/issues/139993729
23. Issues related with Universal App > Task :app:packageDebugUniversalApk FAILED Error: Program type already present: $r8$backportedMethods$utility$Long$1$hashCode › https://issuetracker.google.com/issues/146265847 AGP 3.6 AGP 3.4, 3.5 > Task :app:packageDebugUniversalApk FAILED Error: Program type already present: $r8$java8methods$utility$Long$hashCode$IJ › https://issuetracker.google.com/issues/139993729
24. Solution: Use latest bundle tool build.gradle.kts
25. Solution: Use latest bundle tool build.gradle.kts
26. Solution: Use latest bundle tool build.gradle.kts
27. Issues related with UnitTest AGP 3.2 ~ AGP 4.0 › Cannot perform robolectric tests for Dynamic Feature by ClassLoader failure > Task :dynamicfeature:testDebugUnitTest FAILED com.bugexample.dynamicfeature.FeatureModuleDataHelperTest > Fails at runtime with NoClassDefFoundError when running testDebugUnitTest FAILED java.lang.NoClassDefFoundError at FeatureModuleDataHelperTest.kt:11 Caused by: java.lang.ClassNotFoundException at FeatureModuleDataHelperTest.kt:11 › https://issuetracker.google.com/issues/123441249
28. Issues related with UnitTest AGP 3.2 ~ AGP 4.0 › Cannot perform robolectric tests for Dynamic Feature by ClassLoader failure > Task :dynamicfeature:testDebugUnitTest FAILED com.bugexample.dynamicfeature.FeatureModuleDataHelperTest > Fails at runtime with NoClassDefFoundError when running testDebugUnitTest FAILED java.lang.NoClassDefFoundError at FeatureModuleDataHelperTest.kt:11 Caused by: java.lang.ClassNotFoundException at FeatureModuleDataHelperTest.kt:11 › https://issuetracker.google.com/issues/123441249
29. Solution: Add dependencies explicitly
30. Conclusion
31. Conclusion › There are several bugs related with AppBundle in build tools. › CI System has a variety of requirements that Google did not expect.
32. Conclusion › Search your issue on AOSP issue tracker(http://b.android.com), and give ⭐ › If there is no issue you have, please submit and share. › There are several bugs related with AppBundle in build tools. › CI System has a variety of requirements that Google did not expect.
33. Conclusion › Search your issue on AOSP issue tracker(http://b.android.com), and give ⭐ › If there is no issue you have, please submit and share. › Collaborate with Googler to fix bugs › Provide MWE(Minimal Working Example) › Also most source codes of AGP are opened, and we can find out the cause of the problem. › There are several bugs related with AppBundle in build tools. › CI System has a variety of requirements that Google did not expect.
34. See also
35. See also › Best Practices for a modularized app with dynamic features by Leo Chu
36. See also › References from android developer documentations › About Android App Bundles : https://d.android.com/guide/app-bundle › bundletool : https://d.android.com/studio/command-line/bundletool › Best Practices for a modularized app with dynamic features by Leo Chu
37. See also › References from android developer documentations › About Android App Bundles : https://d.android.com/guide/app-bundle › bundletool : https://d.android.com/studio/command-line/bundletool › AOSP Issue tracker › appbundle › Android Gradle Plugin › Best Practices for a modularized app with dynamic features by Leo Chu
38. Thank you