Keeping up with Modern Android Development

Talk presented at the Google DevFest Inspire 2021.

The talk was to share updates and what's new in Android development and how to keep your app up to date and how to stay up to date with new trends.

https://gdg.community.dev/events/details/google-developer-ecosystem-europe-team-presents-devfest-inspire/

Transcript

1. Keeping Up With Modern
   Android Development
   Segun Famisa
   Google Developers Expert for Android
   [Location]
   

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2. introduction
   

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3. OS version changes
   

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4. types of OS changes
   

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5. types of OS changes
   ● new features
   ● behaviour changes - all apps
   ● behaviour changes - apps targeting the OS version
   

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7. targeting an OS version
   

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8. targeting an OS version
   minSdkVersion compileSdkVersion
   targetSdkVersion
   minimum possible
   version supported
   by the app
   google play uses
   this to know which
   devices can install
   the app
   used only in
   compiling and
   building the app.
   caution: always check
   OS version in code
   before using new
   APIs.
   allows you to “opt in”
   to the changes in the
   version.
   ideally, this would be
   the OS version your
   app officially
   “supports”
   

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9. targeting an OS version
   

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10. https://developer.android.com/about/versions/12/behavior-changes-12
    

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12. release lifecycle & timeline
    

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13. release lifecycle & timeline
    OS releases have a regular timeline
    

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14. release lifecycle & timeline
    OS releases have a regular timeline
    

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15. release lifecycle & timeline
    OS releases have a regular timeline
    This means you can plan ahead!
    

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16. new libraries &
    tools
    

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17. android studio/build updates
    ● new inspectors - database inspector, layout inspector,
    workmanager inspector
    ● android studio build analyzer (AGP 4.0+)
    ● android gradle plugin support for Java 11 source.
    See https://developer.android.com/studio/releases/gradle-plugin for
    more
    

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18. architecture components
    ● dependency injection
    ○ hilt
    ● lifecycle-aware components
    ○ livedata
    ○ viewmodel
    ● navigation...etc
    

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19. data
    ● datastore
    ○ more efficient alternative shared preference
    ● room
    ● workmanager
    ● paging
    

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20. performance
    ● benchmark
    ○ micro
    ○ macro
    ● tracing
    ● app startup
    ○ for initializing dependencies at app startup.
    

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21. ui
    ● material you
    ○ your apps running S+ can allow user-generated palette.
    ● jetpack compose
    ○ declarative UI tool
    ○ replaces the traditional view system
    

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22. how to stay up to
    date?
    

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23. community resources
    ● android weekly - https://androidweekly.net/
    ● kotlin weekly
    

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24. ● official courses - https://developer.android.com/courses
    ● compose pathway -
    https://developer.android.com/courses/pathways/compose
    ● android developers backstage - https://adbackstage.libsyn.com/
    ● codelabs - https://codelabs.developers.google.com/?cat=android
    ● android developers youtube -
    https://www.youtube.com/c/AndroidDevelopers
    official resources
    

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25. thank you for listening!
    

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