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FlutterにiOS 14などの新機能を取り込むには
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Shotaro Tao
December 21, 2020
Programming
2
940
FlutterにiOS 14などの新機能を取り込むには
Flutter × Kotlin Multiplatform by CyberAgent 2020/12/21
Shotaro Tao
December 21, 2020
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Transcript
Shotaro Tao 2020-12-21 Flutter ʹ iOS 14 ͳͲͷ৽ػೳΛऔΓࠐΉʹ Flutter ×
Kotlin Multiplatform by CyberAgent
# ՝ ωΠςΟϒίʔυΛΘͣʹΞϓϦ։ൃ͕Ͱ͖ΔݴޠΛਓʹקΊΔͱ • ͑ɺUIͬͯͲ͏ͳΔͷʁ • ػೳ੍͕ݶ͞Εͦ͏ • iOSɾAndroidʹग़Δ৽͍͠ػೳऔΓೖΕ͍ͨ
# MethodChannelɺEventChannel State Flutter app (client) AppDelegate iOS host FlutterViewController
iOSͷAPI ଞͷϥΠϒϥϦͷAPI ʢCocoapodsܦ༝ͳͲʣ MethodChannel FlutterMethodChannel
σʔλͷड͚͠ 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
MethodChannelɺEventChannelͷ͍ํ
MethodChannelɺEventChannelͷ͍ํ
MethodChannelɺEventChannelͷ͍ํ
ύοέʔδ
ύοέʔδ
ύοέʔδ
ύοέʔδ
ύοέʔδ
·ͱΊ • MethodChannelEventChannelΛར༻͢Δ͜ͱͰσʔλͷΓͱΓ͕ग़དྷΔ • ௨ৗͷΞϓϦͰར༻͢Δ༷ͳҐஔใͷऔಘɺσόΠεใͷऔಘɺϩʔΧ ϧετϨʔδͷσʔλͷอଘɺϒϥβͷදࣔͳͲϥΠϒϥϦͱͯ͠ެ ։͞Ε͍ͯΔ
App ClipsɺWidgets (iOS 14) • ωΠςΟϒͰ࣮ͯ͠ɺσʔλͷΓͱΓ͚ͩMethodChannel EventChannelΛར༻͢Δ • ϝΠϯΞϓϦͱผʹFlutterEngineFlutterViewControllerΛ༻ҙͯ͠Flutter Ͱ࣮͢Δ
FlutterͷΈ Flutter Engine Dart Framework Platform-Speci f i c
App Clips 10MB 10.6MB <
App Clips
Widgets (iOS 14) Widgets Flutter shared_preferences ߋ৽(MethodChannel)