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Android で Multiplatform Settings を使う
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Hiroyuki Kusu
September 10, 2021
Programming
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1.1k
Android で Multiplatform Settings を使う
Yumemi.apk #5 (
https://yumemi.connpass.com/event/219861/
) の資料
Hiroyuki Kusu
September 10, 2021
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Transcript
Android Ͱ Multiplatform Settings Λ͏ 2021.9.10 YUMEMI.apk #5 Hiroyuki Kusu
( @hkusu_ )
About me
ΈΜͳ͕ͬͯΔ͋ͷαʔϏεɺ ࣮ΏΊΈ͕࡞ͬͯ·͢ɻ શੈք5000ສMAUʹୡ͢ΔωοταʔϏεΛΦʔμʔϝΠυͰاըઃܭ͠ɺ γεςϜߏஙӡ༻͔ΒվળఏҊ·Ͱαϙʔτ͍͖ͯ͠·͢ɻ
Multiplatform Settings https://github.com/russhwolf/multiplatform-settings • key-value σʔλӬଓԽͷҝͷ Kotlin Multiplatform ϥΠϒϥϦ
• Android ͷ߹ SharedPreferences ͕෦తʹར༻͞ΕΔ
Kotlin Multiplatform ϓϩδΣΫτͰ ͳͯ͘௨ৗͷ Android ͷϓϩδΣΫτ Ͱར༻Ͱ͖ΔͷͰར༻ͯ͠ΈΔ ຊͷ
implementation("com.russhwolf:multiplatform-settings:0.7.4" ) implementation("com.russhwolf:multiplatform-settings-coroutines:0.7.4") build.gradle.kts ಋೖ ※ ݱ࣌ͷ࠷৽όʔδϣϯ 0.8 ͷΑ͏Ͱ͢
Coroutines ༻ͷ֦ு
val context: Context = .. . val sharedPreferences: SharedPreferences
= context.getSharedPreferences("main", Context.MODE_PRIVATE ) val flowSettings: FlowSettings = AndroidSettings(sharedPreferences, commit = true).toFlowSettings() FlowSettings Πϯελϯεͷ࡞
@ExperimentalSettingsAp i class AccountDao(private val settings: FlowSettings) { val
nameFlow: Flow<String?> = settings.getStringOrNullFlow(KEY_NAME ) suspend fun getName(): String? { return settings.getStringOrNull(KEY_NAME ) } suspend fun setName(name: String) { settings.putString(KEY_NAME, name ) } companion object { private const val KEY_NAME = "name " } } Dao Ϋϥεͷ༻ҙ FlowSettings ΠϯελϯεΛͦͷ··ར༻ͯ͠Α͍͕ɺςετ࣌ʹϞοΫ͍ͨ͠ͷͰϥούʔΫϥεΛ༻ҙ ʢkey Λར༻ऀ͔ΒӅṭͨ͠Γɺૢ࡞ΛநԽ͢Δͷత͋Δʣ
@ExperimentalSettingsAp i class AccountDao(private val settings: FlowSettings) { val
nameFlow: Flow<String?> = settings.getStringOrNullFlow(KEY_NAME ) suspend fun getName(): String? { return settings.getStringOrNull(KEY_NAME ) } suspend fun setName(name: String) { settings.putString(KEY_NAME, name ) } companion object { private const val KEY_NAME = "name " } } DaoΫϥεͷ༻ҙ Suspending Function ͰಡΈॻ͖
@ExperimentalSettingsAp i class AccountDao(private val settings: FlowSettings) { val
nameFlow: Flow<String?> = settings.getStringOrNullFlow(KEY_NAME ) suspend fun getName(): String? { return settings.getStringOrNull(KEY_NAME ) } suspend fun setName(name: String) { settings.putString(KEY_NAME, name ) } companion object { private const val KEY_NAME = "name " } } DaoΫϥεͷ༻ҙ σʔλʹมߋΠϕϯτΛྲྀ͢ Flow
val context: Context = .. . val sharedPreferences: SharedPreferences
= context.getSharedPreferences("main", Context.MODE_PRIVATE ) val flowSettings: FlowSettings = AndroidSettings(sharedPreferences, commit = true).toFlowSettings() FlowSettings Πϯελϯεͷ࡞ʢ࠶ܝʣ SharedPreferences ͷσʔλอଘͰ commitʢಉظʣͱ applyʢඇಉظʣͷ2ܗ͕ࣜ͋Δ͕ɺCoroutines Խ ͨ͜͠ͱʹΑΓ commit ͷσϝϦοτʢεϨουͷϒϩοΫʣ͕ബ·͍ͬͯΔͷͰ commit Λ࠾༻ 㱺 Coroutines ͷΈʹΔ͜ͱͰɺ࣮ߦॱεϨουΛؾʹͤͣσʔλͷಡΈॻ͖͕Մೳʹ
• Multiplatform ϥΠϒϥϦͰ͋Δ͕ Android ୯ମͰར༻ͯ͠ ศར • ଞʹศརͦ͏ͳ Multiplatform
ϥΠϒϥϦ͕͋ΔͷͰಋೖΛ ݕ౼ͯ͠Α͍͔ʁ • Retro fi t ͷସΘΓʹ Ktor • Room ͷସΘΓʹ SQLDelight ͳͲͳͲ.. ͓ΘΓʹ
Thank you ! @hkusu_ ฐࣾ Android ΤϯδχΞ ઈࢍืूத Ͱ͢ʂ