FlutterにiOS 14などの新機能を取り込むには

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1. Shotaro Tao 2020-12-21 Flutter ʹ iOS 14 ͳͲͷ৽ػೳΛऔΓࠐΉʹ͸ Flutter ×

   Kotlin Multiplatform by CyberAgent

2. # ՝୊ ωΠςΟϒίʔυΛ࢖ΘͣʹΞϓϦ։ൃ͕Ͱ͖ΔݴޠΛਓʹקΊΔͱ • ͑ɺUIͬͯͲ͏ͳΔͷʁ • ػೳ੍͕ݶ͞Εͦ͏ • iOSɾAndroidʹग़Δ৽͍͠ػೳ΋औΓೖΕ͍ͨ

3. # MethodChannelɺEventChannel State Flutter app (client) AppDelegate iOS host FlutterViewController

   iOSͷAPI ଞͷϥΠϒϥϦͷAPI
 ʢCocoapodsܦ༝ͳͲʣ MethodChannel FlutterMethodChannel

4. σʔλͷड͚౉͠ StandardMessageCodec Dart null bool Int double String List Map

   Swift nil Bool Int Double String Array Dictionary Kotlin null Boolean Int Double String List HashMap MessageCodec ByteDataΛݩʹΤϯίʔυͱσίʔυΛߦ͏ϝιουΛ࣮૷

5. MethodChannelɺEventChannelͷ࢖͍ํ

6. MethodChannelɺEventChannelͷ࢖͍ํ

7. MethodChannelɺEventChannelͷ࢖͍ํ

8. ύοέʔδ

9. ύοέʔδ

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12. ύοέʔδ

13. ·ͱΊ • MethodChannel΍EventChannelΛར༻͢Δ͜ͱͰσʔλͷ΍ΓͱΓ͕ग़དྷΔ • ௨ৗͷΞϓϦͰར༻͢Δ༷ͳҐஔ৘ใͷऔಘɺσόΠε৘ใͷऔಘɺϩʔΧ ϧετϨʔδ΁ͷσʔλͷอଘɺϒϥ΢βͷදࣔͳͲ͸ϥΠϒϥϦͱͯ͠ެ ։͞Ε͍ͯΔ

14. App ClipsɺWidgets (iOS 14) • ωΠςΟϒͰ࣮૷ͯ͠ɺσʔλͷ΍ΓͱΓ͚ͩMethodChannel΍ EventChannelΛར༻͢Δ • ϝΠϯΞϓϦͱผʹFlutterEngine΍FlutterViewControllerΛ༻ҙͯ͠Flutter Ͱ࣮૷͢Δ

15. Flutterͷ࢓૊Έ Flutter Engine Dart Framework Platform-Speci f i c

16. App Clips 􀭨 10MB 10.6MB <

17. App Clips

18. Widgets (iOS 14) Widgets Flutter shared_preferences 􀐛 ߋ৽(MethodChannel)