What's New in #AndroidDev

My talk at the GDG Philippines Android 11 Meetup (https://www.youtube.com/watch?v=d_OmJ8akJWc) on June 27, 2020

Transcript

1. What’s new in #AndroidDev
   Jomar Tigcal
   Android Developer, Trainer, Consultant
   

   View Slide

2. View Slide

3. Android 11
   

   View Slide

4. Conversations
   Conversation Notifications Section
   ● Open as Bubble
   ● Create Home Screen Shortcut
   ● Change Priority
   

   View Slide

5. Conversations
   val style =
   NotificationCompat.MessagingStyle(person)
   .addMessage(...).
   ...
   NotificationCompat.Builder(this, "notif")
   .setShortcutId(shortcutInfo.id)
   ...
   .build()
   val person = Person.Builder().build()
   val shortcutInfo =
   ShortcutInfoCompat.Builder(this, "sample")
   .setPerson(person)
   .setLongLived(true)
   ...
   build()
   ShortcutManagerCompat.pushDynamicShort
   cut(shortcutInfo)
   

   View Slide

6. Bubbles
   Keep conversations while multitasking
   Alternative to SYSTEM_ALERT_WINDOW
   Notification API
   Developer Preview in Android 10
   

   View Slide

7. Bubbles
   val bubbleMetadata =
   Notification.BubbleMetadata.Builder(shortcu
   tInfo.id)
   NotificationCompat.Builder(this, "notif")
   .setBubbleMetadata(bubbleMetadata)
   .setShortcutId(shortcutInfo.id)
   ...
   .build()
   https://d.android.com/guide/topics/ui/bubbles
   

   View Slide

8. Quick Access Device Controls
   Long pressing Power button:
   ● Payment Methods
   ● Smart Home Controls
   Add your own: ControlsProviderService
   https://d.android.com/preview/features/device-control
   

   View Slide

9. New Media Controls
   near Quick Settings
   Carousel for multiple apps
   Output Picker to switch output device
   Beta 1: toggle Media resumption at
   Settings -> System -> Developer options
   https://d.android.com/preview/features/media-controls
   

   View Slide

10. Other UI Changes
    5G visual indicators
    Voice Access now understand screen
    content and context
    Hingle Angle API for Foldables
    DisplayCutout for curved/waterfall
    displays
    New Emojis
    and more...
    Consolidated keyboard suggestions
    Keyboard/IME Animation
    (WindowInsets)
    Screen Recorder
    App Suggestions on Home Screen
    Recents (Screenshot, Select, Share)
    New Screenshot UI
    Notification History
    

    View Slide

11. Android 11
    SDK:
    Android SDK Build Tools 30
    build.gradle:
    ● compileSdkVersion 30
    ● targetSdkVersion 30
    https://developer.android.com/preview
    

    View Slide

12. One-Time Permissions
    Permissions:
    ● Microphone, Camera, Location
    While in use and in foreground
    

    View Slide

13. Permissions auto-reset
    Targets Android 11
    Unused for long period of time
    Auto-reset and notify
    Settings.ACTION_APPLICATION_DETAILS_SETTINGS
    

    View Slide

14. Phone Permissions
    READ_PHONE_NUMBERS instead of READ_PHONE_STATE for:
    ● TelephonyManager.getLine1Number
    ● TelecomManager.getLine1Number
    android:maxSdkVersion="29" />
    
    

    View Slide

15. Background Location
    Targets Android 11:
    Request Foreground Permission, then
    Request Background Permission
    * Educate/Explain
    * Open App Settings
    Approval for background access by 2021
    

    View Slide

16. Foreground Service Types
    Targets Android 11: New Types (Camera and Microphone)
    
    ...
    ...
    android:foregroundServiceType="camera|microphone" />
    
    

    View Slide

17. Package Visibility
    Target Android 11:
    Can no longer query installed apps
    must declare packages in manifest
    ● Specific package
    ● Intent Filter
    All apps: android.permission.QUERY_ALL_PACKAGES
    (Guideline soon…)
    

    View Slide

18. restricted non-SDK interfaces
    non-SDK test APIs (@TestApi) now restricted by default
    greylist in Android 10 (API level 29) that are now restricted in Android 11
    greylist in Android 10 (API level 29) that were added to the Android SDK
    (whitelist) in Android 11
    https://d.android.com/distribute/best-practices/develop/restrictions-non-sdk-interfaces
    

    View Slide

19. Scoped Storage
    scoped access into external storage
    Introduced in Android 10; Mandatory in Android 11
    Storage permission renamed to Files & Media
    File Path Access: requestLegacyExternalStorage true
    Bulk media edit access: createWriteRequest, createDeleteRequest,
    createTrashRequest, createFavoriteRequest
    All Files Access: MANAGE_EXTERNAL_STORAGE ,Google Play manual review
    

    View Slide

20. Data Access Auditing
    Provide more transparency into how app and its dependencies are accessing
    private data
    AppOpsManager.AppOpsCollector callbacks invoked when
    user-permission-required data is accessed
    Attribute access to logical features within the app
    

    View Slide

21. Developer Options > Wireless debugging
    Pair with Code
    ● Linux/Windows: adb connect ipaddress:port
    ● Mac: adb pair pairingCodeIpAddress:port
    Pair with QR: Soon in Android Studio
    Wireless Debugging
    

    View Slide

22. For faster installs of large APKs
    Sign your APK with the new APK Signature Scheme v4 format
    adb install --incremental
    * Pixel 4, device launching with Android 11
    ADB Incremental
    

    View Slide

23. ActivityManager.getHistoricalProcessExitReasons()
    //List
    ApplicationExitInfo.getReason()
    ● REASON_ANR
    ● REASON_CRASH
    ● REASON_DEPENDENCY_DIED
    ● REASON_LOW_MEMORY
    ● REASON_UNKNOWN
    ● ...
    Crash Reasons
    

    View Slide

24. Others
    

    View Slide

25. Link
    App Compatibility Changes
    System > Advanced > Developer options
    Without changing targetSdkVersion
    Debuggable app
    Toggle one or more features to focus testing
    Default Enabled Changes (all apps on 11)
    Default Disabled Changes (Experimental)
    Enabled for targetSdkVersion
    

    View Slide

26. Modern Android Development
    Kotlin
    Android Jetpack
    Android Studio
    Android App Bundle
    https://developer.android.com/modern-android-development
    

    View Slide

27. Android App Bundle
    Official publishing format
    Reduce app size
    Efficient release process
    Dynamic Feature
    App Signing by Google Play
    Required for new apps in 2021
    https://g.co/androidappbundle
    

    View Slide

28. Kotlin
    ● 70% of top 1k Android apps
    ● 60% of Pro Android Developers
    ● 55 Google apps
    ● Coroutines Officially
    Recommended
    ● @RecentlyNullable,
    @RecentlyNonNull to @Nullable
    and @NonNull
    ● New @RecentlyNullable,
    @RecentlyNonNull
    ● Kotlin-first libraries
    https://developer.android.com/kotlin
    

    View Slide

29. Jetpack
    New Android Jetpack Libraries:
    ● Hilt: dependency injection (DI) library
    ● App Startup: initialize components at application startup
    ● Paging 3: load and display data incrementally
    + Updates to existing libraries
    https://developer.android.com/jetpack
    

    View Slide

30. Jetpack Compose
    Android’s modern toolkit for building native UI
    Kotlin-based
    Reactive
    Developer Preview
    https://developer.android.com/jetpack/compose
    

    View Slide

31. What’s New in Android Studio
    Android Studio 4.0 Stable
    Android Studio 4.1 Beta
    Android Studio 4.2 Canary
    

    View Slide

32. Android Studio 4.0 Stable
    Motion Editor
    Live Layout Inspector
    Layout Validation
    Build Analyzer
    Java 8 library desugaring in D8 and
    R8
    Dynamic Feature Dependency
    Support for Kotlin DSL script files
    CPU Profiler upgrades
    R8 Rules Editing
    Kotlin Android live templates
    

    View Slide

33. Android Studio 4.1 Beta
    Database Inspector
    Android Emulator in Android Studio
    Material Design Components
    Dagger Navigation support
    Native Memory Profiler
    Faster Apply Changes
    

    View Slide

34. Android Studio 4.2 Canary
    Wireless ADB Debugging with Android 11
    Jetpack Compose
    ConstraintLayout Visualization
    Parallel Instrumentation testing
    Test Failure Retention
    

    View Slide

35. New Google Play Console (Beta)
    ● Google Material Design, Responsive
    ● New Navigation grouping:
    Release, Grow, Quality, Monetize
    ● Policy Section: Policy Status, App Content
    ● Rolling out Soon: Inbox
    ● User management and Permissions
    https://play.google.com/console
    

    View Slide

36. Google Play Console (Beta): Release
    ● Internal Testing
    ● Public Testing (Closed/Open)
    ● Pre-launch Report
    ● Launch (Production/Pre-registration)
    ● Device Catalog
    ● App bundle explorer
    ● App Signing
    ● Advanced Settings
    

    View Slide

37. Google Play Console (Beta): Quality
    ● Android Vitals
    ● User feedback -> Ratings and reviews
    

    View Slide

38. Google Play Console (Beta): Grow
    ● Acquisition analysis page
    ● Store listing conversion analysis page
    ● Simplified store listing page
    ● Store listing experiments
    ● New store settings page
    (category, contact, external marketing)
    ● Translation services for localization
    

    View Slide

39. 11 Weeks of Android
    https://goo.gle/11-Weeks-Android
    

    View Slide

40. Week 1: People & Identity
    ● Blog Post:
    https://android-developers.googleblo
    g.com/2020/06/11-weeks-of-android-
    people-identity.html
    ● Videos:
    https://goo.gle/people-identity
    ● Pathway:
    https://d.android.com/courses/pathw
    ays/android-week1-people-identity
    

    View Slide

41. Week 2: Machine Learning
    TensorFlow Lite, TF Hub, MLKit
    ● Blog Post: https://goo.gle/MLWrap
    ● Videos: https://goo.gle/ml-11weeks
    ● Pathway: https://goo.gle/MLPath
    

    View Slide

42. Resources
    ● Android 11 Beta Launch: https://developer.android.com/android11
    ● Android 11 Preview: https://developer.android.com/preview
    ● Android 11 Videos: https://goo.gle/android11
    ● 11 Weeks of Android: https://goo.gle/11-Weeks-Android
    ● 11 Weeks of Android Videos: https://goo.gle/android-11weeks
    ● 11 Weeks of Android Pathways: https://goo.gle/3dwqDGy
    ● Android 11 Meetups: https://d.android.com/android11/meetups
    

    View Slide

43. Questions?
    ?
    

    View Slide

44. Thank you!
    Build something awesome!
    Provide feedback:
    talkback.tigcal.com
    https://www.tigcal.com
    jomar@tigcal.com
    @jomartigcal
    medium.com/@jomartigcal
    

    View Slide

45. What’s new in #AndroidDev
    Jomar Tigcal
    Android Developer, Trainer, Consultant
    

    View Slide