Android 11 and the future

Talk from GDG DevFest Yangon 2020

Transcript

1. Android 11 and
   the Future
   Aung Kyaw Paing
   Mobile Development Team Lead
   nexlabs
   

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2. 1. Android 11
   2. Android Studio
   3. Modern Android Development
   

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3. Android 11
   

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4. 1. Built-in screen recording
   2. New Media Control
   3. Smart Reply
   4. Conversations
   User-sided features
   

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5. Developer
   sided Features
   

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6. Bubbles
   - Started from Notification panel
   - OS-level support
   

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7. android:name=".bubbles.BubbleActivity"
   android:theme="@style/AppTheme.NoActionBar"
   android:label="@string/title_activity_bubble"
   android:allowEmbedded="true"
   android:resizeableActivity="true"
   <>
   

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8. Create bubble intent
   val target = Intent(context, BubbleActivityval bubbleIntent = PendingIntent.getActivity(context, 0, target, 0 Create bubble metadata
   val bubbleData = Notification.BubbleMetadata.Builder(bubbleIntent,
   Icon.createWithResource(context, R.drawable.icon))
   .setDesiredHeight(600)
   .build()
   

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9. Create bubble intent
   val target = Intent(context, BubbleActivityval bubbleIntent = PendingIntent.getActivity(context, 0, target, 0 Create bubble metadata
   val bubbleData = Notification.BubbleMetadata.Builder(bubbleIntent,
   Icon.createWithResource(context, R.drawable.icon))
   .setDesiredHeight(600)
   .build()
   Create notification
   val chatPartner = Person.Builder()
   .setName("Chat partner")
   .setImportant(true)
   .build()
   

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10. Create bubble intent
    val target = <val bubbleIntent = < Create bubble metadata
    val bubbleData = < Create notification
    val chatPartner = <val builder = Notification.Builder(context, CHANNEL_ID)
    .setContentIntent(contentIntent)
    .setSmallIcon(smallIcon)
    .setBubbleMetadata(bubbleData)
    .addPerson(chatPartner)
    

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11. Conversations
    - Show at the top under seperate section
    - Can promote to bubble
    - Conversation-specific actions
    - Mark as priority
    - Promote to bubble
    - Silence notification
    - Custom sounds/vibrations
    

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12. Create notification
    val chatPartner = Person.Builder()
    .setName("Chat partner")
    .setImportant(true)
    .build()
    Use Person in MessageStyle
    val notification = Notification.Builder(context, channelId)
    .setStyle(
    Notification.MessagingStyle.Builder(person)
    .addMessage(<<build()
    )
    .build()
    

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13. WindowInsets
    - Can listen to WindowInsets animations
    - Can show keyboard easily
    - Will be added to appcompat later
    

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14. doOnLayout {
    windowInsetsControllerwindowInsetsController}
    

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15. val animationCallback = object : WindowInsetsAnimation.Callback(DISPATCH_MODE_STOP) {
    override fun onPrepare(animation: WindowInsetsAnimation) {
    }
    override fun onStart(
    animation: WindowInsetsAnimation,
    bounds: WindowInsetsAnimation.Bounds
    ): WindowInsetsAnimation.Bounds {
    }
    override fun onProgress(
    insets: WindowInsets,
    runningAnimations: List
    ): WindowInsets {
    }
    override fun onEnd(animation: WindowInsetsAnimation) {
    }
    }
    

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16. https://medium.com/androiddevelopers/ani
    mating-your-keyboard-fb776a8fb66d
    

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17. Wireless
    debugging
    Easily set up Wifi ADB through QR code or
    pairing code
    

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18. Privacy
    Updates
    

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19. Scoped Storage
    - requestLegacyExternalStorage is ignored
    on Android 11
    - Access to all files in shared storage
    requires read/write file permission
    

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20. One-Time
    Permission
    

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21. Permission
    Auto-reset
    - Auto reset to decline permission after a
    few months
    

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22. Don’t ask again
    - If user taps “Decline” more than once, it’s
    considered as “Don’t ask again”
    

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23. Background
    Location
    Permission
    - Need to be requested separately
    - Have to request for Foreground Location
    permission first
    
    <<Android 10 (API level 29) and higher. <<>
    
    
    

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24. Tools
    

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25. 1. Database Inspector
    2. Android Emulator Windows
    3. Dagger Navigation
    4. TFLite
    5. Foldables
    Android Studio 4.1 STABLE
    

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26. Database Inspector
    

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27. Android Emulator Window
    

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28. Dagger Navigation
    

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29. Dagger Navigation
    

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30. TFLite
    

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31. Foldable
    

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32. 1. Layout Inspector Live Update On/Off
    2. Jetpack Compose support
    3. Safe Args Support
    4. Accessibility Scanner
    5. Multiple Parallel Instrumentation
    Testing
    Android Studio 4.2 Preview
    

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33. Modern Android
    Development
    

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34. https://developer.android.com/modern-and
    roid-development
    

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35. of Android developers prefer using
    Kotlin
    60%
    

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36. Jetpack
    

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37. 1. Single-Activity Architecture
    2. ViewModel+LiveData
    3. Dagger
    4. Constraint Layout/Jetpack Compose
    Modern Android Development
    

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38. ● No longer recommends multiple
    activities
    ● Prefer to use Fragment and Nav Arch
    to structure single-activity
    Single Activity Architecture
    

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39. ViewModel+LiveData
    ● ViewModel is not MVVM
    

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40. “The description of the
    class for what it does,
    matches View Model. That has
    nothing to do with MVVM. We
    are not telling you to use
    or not to use MVVM”
    -Yigit Boyar
    (droidcon NYC 2017)
    

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41. ViewModel+LiveData
    ● ViewModel is not MVVM
    ● Understand how LiveData works
    

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42. ● Data Store (Protobuffer)
    ● Room
    ● Scoped Storage
    Persistence Storage
    

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43. ● Manual Injection for small project
    ● Dagger for large project
    Dependency Injection
    

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44. ● Constraint Layout
    ● Motion Layout
    ● Jetpack Compose
    Layouts
    

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45. Future
    

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46. Android 11 and
    the Future
    Aung Kyaw Paing
    Mobile Development Team Lead
    nexlabs
    

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