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Use repeatOnLifecycle

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This commit is contained in:
Kirill Kamakin
2022-11-05 10:57:56 +01:00
parent b7bb6c8566
commit 1ee0456494
2 changed files with 11 additions and 17 deletions
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23
app/src/main/java/gq/kirmanak/mealient/extensions/FragmentExtensions.kt
View File

@@ -3,24 +3,19 @@ package gq.kirmanak.mealient.extensions
import android.widget.Toast
import androidx.annotation.StringRes
import androidx.fragment.app.Fragment
import androidx.lifecycle.LifecycleOwner
import androidx.lifecycle.Lifecycle
import androidx.lifecycle.lifecycleScope
import kotlinx.coroutines.CoroutineScope
import androidx.lifecycle.repeatOnLifecycle
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.FlowCollector
import kotlinx.coroutines.flow.launchIn
import kotlinx.coroutines.launch
fun <T> Fragment.collectWhenViewResumed(
flow: Flow<T>,
collector: FlowCollector<T>,
) = launchWhenViewResumed { flow.collect(collector) }
fun Fragment.launchWhenViewResumed(
block: suspend CoroutineScope.() -> Unit,
) = viewLifecycleOwner.lifecycleScope.launchWhenResumed(block)
fun <T> Flow<T>.launchIn(lifecycleOwner: LifecycleOwner) {
launchIn(lifecycleOwner.lifecycleScope)
fun <T> Fragment.collectWhenViewResumed(flow: Flow<T>, collector: FlowCollector<T>) {
viewLifecycleOwner.lifecycleScope.launch {
viewLifecycleOwner.repeatOnLifecycle(Lifecycle.State.RESUMED) {
flow.collect(collector)
}
}
}
fun Fragment.showLongToast(@StringRes text: Int) = showLongToast(getString(text))

5
app/src/main/java/gq/kirmanak/mealient/ui/recipes/RecipesFragment.kt
View File

@@ -17,7 +17,6 @@ import gq.kirmanak.mealient.database.recipe.entity.RecipeSummaryEntity
import gq.kirmanak.mealient.databinding.FragmentRecipesBinding
import gq.kirmanak.mealient.datasource.NetworkError
import gq.kirmanak.mealient.extensions.collectWhenViewResumed
import gq.kirmanak.mealient.extensions.launchIn
import gq.kirmanak.mealient.extensions.refreshRequestFlow
import gq.kirmanak.mealient.extensions.showLongToast
import gq.kirmanak.mealient.logging.Logger
@@ -104,8 +103,8 @@ class RecipesFragment : Fragment(R.layout.fragment_recipes) {
}
private fun <T : Any, VH : RecyclerView.ViewHolder> PagingDataAdapter<T, VH>.observeLoadStateChanges() {
appendPaginationEnd().onEach { onPaginationEnd() }.launchIn(viewLifecycleOwner)
refreshErrors().onEach { onLoadFailure(it) }.launchIn(viewLifecycleOwner)
collectWhenViewResumed(appendPaginationEnd()) { onPaginationEnd() }
collectWhenViewResumed(refreshErrors()) { onLoadFailure(it) }
}
private fun onPaginationEnd() {