This document discusses Instant Apps for Android, which allow users to access app functionality without installing the full app. It provides tips on preparing an existing app for Instant Apps by removing unnecessary code and defining an entry point. The document also shares an example Instant App and provides troubleshooting tips for errors encountered with Instant App development in Android O and Android Studio 3.

1. Instant Apps
potatotips #41

2. @bina1204
1986.12.04 (29)
Android Developer
Goodpatch

3. Instant Apps?
• http://youtu.be/3N3MChajSeM

4. Instant Apps?
• Android Apps Without Installation
• Access From Anywhere
• Works on the Latest Android Devices
• Upgrade Your Existing App

5. How to Apply
1. Remove any unneeded bulk from your app
2. Support Android App Links
3. Define an entry point for your app
https://developer.android.com/topic/instant-apps/
prepare.html

6. Example
• https://bumblebee.willowtreeapps.com/

7. Bumblebee

8. Bumblebee

9. Bumblebee

10. Prott Viewer

11. Tips
• Update Error -27
• Apk Size Limitation
• Android O Developer Preview 3
• Android Studio 3.0 Canary 4

12. Update Error -27
• adb install-multiple -r -t --ephemeral base.apk
feature1.apk
• PackageManager.INSTALL_FAILED_SANDBOX_V
ERSION_DOWNGRADE

13. Apk Size Limitation
• Android Instant Apps need to be structured into
URL-addressable modules that are under 4MB in
size.
https://developer.android.com/topic/instant-apps/
prepare.html#refactor_your_app_if_necessary

14. Android O Developer
Preview 3
• There is no Google Play services for Instant
Apps(com.google.android.instantapps.supervisor)

15. Android Studio 3.0 Canary 4
• Failed to resolve: Could not resolve project :viewer-
features
• android-instant-apps/multi-feature-module/base/
build/intermediates/data-binding-info/androidTest/
debug' specified for property 'xmlOutFolder' does
not exist.