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Optimize LiveData from flows

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Koitharu
2020-12-28 07:20:14 +02:00
parent 7fd71c13f3
commit e674e0f36f
19 changed files with 80 additions and 77 deletions
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8
app/src/main/java/org/koitharu/kotatsu/local/ui/LocalListViewModel.kt
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@@ -2,13 +2,10 @@ package org.koitharu.kotatsu.local.ui
import android.content.Context
import android.net.Uri
import androidx.lifecycle.asLiveData
import androidx.lifecycle.viewModelScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.combine
import kotlinx.coroutines.flow.flowOn
import kotlinx.coroutines.flow.onStart
import kotlinx.coroutines.withContext
import org.koitharu.kotatsu.R
import org.koitharu.kotatsu.core.exceptions.UnsupportedFileException
@@ -24,6 +21,7 @@ import org.koitharu.kotatsu.list.ui.model.toUi
import org.koitharu.kotatsu.local.domain.LocalMangaRepository
import org.koitharu.kotatsu.utils.MediaStoreCompat
import org.koitharu.kotatsu.utils.SingleLiveEvent
import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
import org.koitharu.kotatsu.utils.ext.safe
import org.koitharu.kotatsu.utils.ext.sub
import java.io.IOException
@@ -51,9 +49,7 @@ class LocalListViewModel(
list.isEmpty() -> listOf(EmptyState(R.string.text_local_holder))
else -> list.toUi(mode)
}
}.onStart {
emit(listOf(LoadingState))
}.flowOn(Dispatchers.Default).asLiveData(viewModelScope.coroutineContext)
}.asLiveDataDistinct(viewModelScope.coroutineContext + Dispatchers.Default, listOf(LoadingState))
init {
onRefresh()