What will happen if you use App Bundle instead of apk

https://shibuya-apk.connpass.com/event/139617/

Transcript

1. What will happen?
   if you use App Bundle instead of apk
   shibuya.apk #36 @red_fat_daruma
   

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2. What will happen
   if you use App Bundle instead of apk
   shibuya.apk #36 @red_fat_daruma
   今更更聞けない
   App Bundle で何が変わる？(邦題)
   

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3. today's contents
   Agenda
   ▸ Big changes
   ▸ What will be installed
   ▸ Download size for users
   ▸ The limit of the file size which users can install
   ▸ New Features and/or Tips
   ▸ Dynamic Delivery
   ▸ Prevent Sideloading
   ▸ Frequently asked questions
   ▸ Known issues and/or limitations
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4. What do App Bundle change?
   Big Changes
   ▸ What will be installed
   ▸ Optimized .apks for each device, which is built from .aab file
   ▸ base.apk and configuration .apk s
   ▸ Download size for users
   ▸ Significantly decreased
   ▸ The limit of the file size which users can install
   ▸ Increased to 150 MB! It was 100 MB.
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5. App Bundle can realize...
   New Features and/or Tips
   ▸ Dynamic Delivery
   ▸ Download and use *required* modules at run-time
   ▸ Also, can delete modules if it's no longer needed
   ▸ e.g. Onboading guide
   ▸ Require API 21 and higher but *fused* option is help for
   lower versions
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6. New Features and/or Tips
   ▸ Prevent Sideloading: Block installing apps bypass PlayStore
   ▸ A few line configurations can do it
   ▸ For Application class and ContentProviders (if used)
   6
   class AnyProvider : ContentProvider {
   override onCreate(): Boolean {
   if (MissingSplitsManagerFactory.create(context)
   .isMissingRequiredSplits) {
   return false
   }
   super.onCreate()
   ...
   }
   }
   class CustomApplication : Application {
   override fun onCreate() {
   if (MissingSplitsManagerFactory.create(this)
   .disableAppIfMissingRequiredSplits()) {
   return
   }
   super.onCreate()
   ...
   }
   }
   App Bundle can realize...
   

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7. Some of you might misunderstand this
   Frequently Asked Questions
   ▸ in-app updates
   ▸ Do not require App Bundle
   ▸ The official documents are currently hosted in the App
   Bundle section, though.
   ▸ App distribution
   ▸ internal app sharing and internal tracks are required to check
   Dynamic Delivery for example
   ▸ DeployGate does not currently accept .aab
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8. App Bundle is not kinda silver bullet
   Known Issues and/or Limitations
   ▸ Around the download file size restriction (150MB)
   ▸ on-demand modules must meet this restriction
   ▸ obb file is not supported
   ▸ Around app package naming
   ▸ Root package names like *lib* and *res* cannot be used because of aab file structure
   ▸ Around dependencies
   ▸ API 21 and higher is required basically
   ▸ + Require newer Play Services regardless of OS version
   ▸ Around sideloading
   ▸ New APIs since Android Q must be required
   ▸ Otherwise
   ▸ Read the official documents and unofficial blogs
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9. Closing... positive stuff
   Summary
   ▸ Big Changes
   ▸ Optimized apk will be generated for each device
   ▸ Download size has been decreased significantly
   ▸ A file whose size is less than150MB can be installed w/o obb
   ▸ New Features and/or Tips
   ▸ Dynamic Delivery : Manage *required* materials dynamically
   ▸ Prevent Sideloading : Block app-launch from non-PlayStore installs
   ▸ Answers to frequently asked questions
   ▸ In-app updates works w/o App Bundle
   ▸ Distribute apps via official delivery systems if you'd like to check Dynamic Delivery etc.
   ▸ DeployGate cannot accept .aab for now (I'm in charge of supports...)
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10. Closing... negative stuff
    Summary
    ▸ Known issues and/or limitations
    ▸ The size restriction is not avoidable if you are using Dynamic Delivery
    ▸ Does not support obb file
    ▸ Some of root package names like *lib* and *res* have been forbidden
    ▸ Depends on OS and Play Service versions
    ▸ New API since Q is required to install .aab (i.e. .apks)
    ▸ etc.
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11. Closing...
    Appendix
    ▸ Overview
    ▸ https://developer.android.com/guide/app-bundle
    ▸ in-app updates
    ▸ https://developer.android.com/guide/app-bundle/in-app-updates
    ▸ Prevent sideloading
    ▸ https://developer.android.com/guide/app-bundle/sideload-check
    ▸ https://objectbox.io/app-bundle-and-sideloading-how-to-prevent-crashes/
    ▸ Dynamic Feature
    ▸ https://developer.android.com/studio/projects/dynamic-delivery#feature_build_config
    ▸ https://developer.android.com/guide/app-bundle/playcore
    ▸ Codelab
    ▸ https://codelabs.developers.google.com/codelabs/your-first-dynamic-app/index.html
    ▸ https://codelabs.developers.google.com/codelabs/on-demand-dynamic-delivery/index.html
    ▸ Keywords
    ▸ app bundle, aab, dynamic feature, dynamic delivery, play core library, split manager, sideloading, in-app updates etc...
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12. Onaka suitane
    Thank You for Listening!
    ▸ Jumpei Matsuda / daruma
    ▸ Software Engineer @DeployGate
    ▸ GitHub: jmatsu
    ▸ Twitter: red_fat_daruma
    ▸ Please feel free to ask any questions
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