Shifting Focus...

Key Topics

• Kotlin
• Android Q
• Jetpack
• Flutter

Kotlin

• Android support announced 2 years ago
• > 53% of professional Android devs use Kotlin
• 20% higher language satisfaction ratings than Java
• Android becoming increasingly Kotlin-first
• "If you're starting a new project, you should write it in Kotlin"

Key Topics

• Kotlin
• Android Q
• Jetpack
• Flutter

Android Quiche

• New Dark Theme support via
  • Theme.AppCompat.DayNight
  • Theme.MaterialComponents.DayNight
• Gesture navigation
• New AudioPlaybackCapture API
  • Copy audio being played by other apps
• Tweaks to onResume & onPause behavior
• Foldable phone support

Android Quince

• Adds the new multi-resume behavior
• All visible activities will remain in the  resumed state when the app is in multi-window mode
  • previously only the one with focus was resumed
• New onTopResumedActivityChanged lifecycle callback
  • Useful for when used shared resources such as the camera or microphone

Android Quinoa

• Foldable phone support requires:
  • saving UI state
  • graceful handling of config changes
• How to configure/test your app:
  • enable/disable resizing
  • specify min/max aspect ratio
  • Android Studio 3.5's foldable emulators

Android Queso

Key Topics

• Kotlin
• Android Q
• Jetpack
• Flutter

Jetpack CameraX

• Simplification of Camera API
• Lifecycle aware
• Handles device specific nuances
• Optional extensions add support for native camera app features such as HDR & night mode
• Backwards compatible to Android 5.0 (API 21)
• Currently in Alpha

Jetpack Compose

Jetpack Compose

Key Topics

• Kotlin
• Android Q
• Jetpack
• Flutter

Flutter

Key Topics

• Kotlin
• Android Q
• Jetpack
• Flutter