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Prefetch images for slideshow #796

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Merged
damontecres merged 1 commit into from
May 16, 2026
Merged

Prefetch images for slideshow #796

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3 changes: 2 additions & 1 deletion app/src/main/AndroidManifest.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,8 @@
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/Theme.StashAppAndroidTV"
android:usesCleartextTraffic="true">
android:usesCleartextTraffic="true"
android:largeHeap="true">
<activity
android:name=".RootActivity"
android:banner="@mipmap/ic_banner"
Expand Down
20 changes: 20 additions & 0 deletions ...rc/main/java/com/github/damontecres/stashapp/ui/components/image/ImageDetailsViewModel.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,9 @@ import androidx.lifecycle.ViewModel
import androidx.lifecycle.asFlow
import androidx.lifecycle.asLiveData
import androidx.lifecycle.viewModelScope
import coil3.imageLoader
import coil3.request.ImageRequest
import coil3.size.Size
import com.apollographql.apollo.api.Query
import com.github.damontecres.stashapp.StashApplication
import com.github.damontecres.stashapp.api.fragment.GalleryData
Expand Down Expand Up @@ -40,6 +43,7 @@ import kotlinx.coroutines.delay
import kotlinx.coroutines.flow.combine
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
import timber.log.Timber
import kotlin.properties.Delegates

class ImageDetailsViewModel : ViewModel() {
Expand Down Expand Up @@ -240,6 +244,22 @@ class ImageDetailsViewModel : ViewModel() {
} else {
loadingState.value = ImageLoadingState.Error
}
if (position + 1 in pager.indices) {
try {
pager.getBlocking(position + 1)?.let { nextImage ->
Timber.v("Prefetching %s", nextImage.id)
val request =
ImageRequest
.Builder(StashApplication.getApplication())
.data(nextImage.paths.image)
.size(Size.ORIGINAL)
.build()
StashApplication.getApplication().imageLoader.enqueue(request)
}
} catch (ex: Exception) {
Timber.e(ex, "Error prefetching image")
}
}
} catch (ex: Exception) {
loadingState.value = ImageLoadingState.Error
LoggingCoroutineExceptionHandler(
Expand Down
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