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Code Releases Activity

use a conflated channel for SharedPreferences.getAsFlow()

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This commit is contained in:
Christophe Beyls 2021-12-26 15:55:12 +01:00
parent 0ea78d1725
commit f011e0a2b4
1 changed files with 2 additions and 1 deletions
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3
app/src/main/java/be/digitalia/fosdem/settings/SharedPreferencesExt.kt
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@ -5,6 +5,7 @@ import kotlinx.coroutines.ExperimentalCoroutinesApi
import kotlinx.coroutines.channels.awaitClose
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.callbackFlow
import kotlinx.coroutines.flow.conflate
import kotlinx.coroutines.flow.onStart
/**
@ -36,7 +37,7 @@ private inline fun <T> SharedPreferences.getAsFlow(
}
registerOnSharedPreferenceChangeListener(listener)
awaitClose { unregisterOnSharedPreferenceChangeListener(listener) }
}.onStart {
}.conflate().onStart {
// By emitting the initial value here, we prevent the upstream callbackFlow from starting
// if the Flow consumer is only interested in the first value
emit(valueProvider(key))