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Android Ͱ Multiplatform
Settings Λ͏
2021.9.10 YUMEMI.apk #5
Hiroyuki Kusu ( @hkusu_ )
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About me
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ΈΜͳ͕ͬͯΔ͋ͷαʔϏεɺ
࣮ΏΊΈ͕࡞ͬͯ·͢ɻ
શੈք5000ສMAUʹୡ͢ΔωοταʔϏεΛΦʔμʔϝΠυͰاըઃܭ͠ɺ
γεςϜߏஙӡ༻͔ΒվળఏҊ·Ͱαϙʔτ͍͖ͯ͠·͢ɻ
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Multiplatform Settings
https://github.com/russhwolf/multiplatform-settings
• key-value σʔλӬଓԽͷҝͷ Kotlin
Multiplatform ϥΠϒϥϦ
• Android ͷ߹ SharedPreferences
͕෦తʹར༻͞ΕΔ
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Kotlin Multiplatform ϓϩδΣΫτͰ
ͳͯ͘௨ৗͷ Android ͷϓϩδΣΫτ
Ͱར༻Ͱ͖ΔͷͰར༻ͯ͠ΈΔ
ຊͷ
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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
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val context: Context = ..
.
val sharedPreferences: SharedPreferences = context.getSharedPreferences("main", Context.MODE_PRIVATE
)
val flowSettings: FlowSettings = AndroidSettings(sharedPreferences, commit = true).toFlowSettings()
FlowSettings Πϯελϯεͷ࡞
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@ExperimentalSettingsAp
i
class AccountDao(private val settings: FlowSettings)
{
val nameFlow: Flow = 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
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@ExperimentalSettingsAp
i
class AccountDao(private val settings: FlowSettings)
{
val nameFlow: Flow = 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
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@ExperimentalSettingsAp
i
class AccountDao(private val settings: FlowSettings)
{
val nameFlow: Flow = 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
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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
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• Multiplatform ϥΠϒϥϦͰ͋Δ͕ Android ୯ମͰར༻ͯ͠
ศར
• ଞʹศརͦ͏ͳ Multiplatform ϥΠϒϥϦ͕͋ΔͷͰಋೖΛ
ݕ౼ͯ͠Α͍͔ʁ
• Retro
fi
t ͷସΘΓʹ Ktor
• Room ͷସΘΓʹ SQLDelight ͳͲͳͲ..
͓ΘΓʹ
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Thank you !
@hkusu_
ฐࣾ Android ΤϯδχΞ ઈࢍืूத Ͱ͢ʂ