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fix backdrop image scrolling

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Owen LeJeune
2022-11-07 17:34:25 -05:00
parent 3e2c23bb8e
commit 2dbdf51937
1 changed files with 16 additions and 7 deletions
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23
app/src/main/java/com/owenlejeune/tvtime/ui/screens/main/DetailViewCommon.kt
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@@ -26,8 +26,10 @@ import com.owenlejeune.tvtime.api.tmdb.api.v3.model.ImageCollection
import com.owenlejeune.tvtime.ui.components.PosterItem
import com.owenlejeune.tvtime.ui.components.RatingRing
import com.owenlejeune.tvtime.utils.TmdbUtils
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.delay
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
@Composable
fun DetailHeader(
@@ -154,23 +156,30 @@ private fun BackdropGallery(
) { sizeImage ->
if (imageCollection != null) {
val pagerState = rememberPagerState()
HorizontalPager(count = imageCollection.backdrops.size, state = pagerState) { page ->
HorizontalPager(
count = imageCollection.backdrops.size,
state = pagerState,
modifier = Modifier.fillMaxWidth()
) { page ->
val backdrop = imageCollection.backdrops[page]
AsyncImage(
model = TmdbUtils.getFullBackdropPath(backdrop),
placeholder = rememberAsyncImagePainter(model = R.drawable.placeholder),
contentDescription = "",
modifier = Modifier.onGloballyPositioned { sizeImage.value = it.size }
modifier = Modifier.onGloballyPositioned { sizeImage.value = it.size },
contentScale = ContentScale.FillWidth
)
}
LaunchedEffect(key1 = pagerState.currentPage) {
// fixes an issue where using pagerState.current page breaks paging animations
var key by remember { mutableStateOf(false) }
LaunchedEffect(key1 = key) {
launch {
delay(5000)
with (pagerState) {
with(pagerState) {
val target = if (currentPage < pageCount - 1) currentPage + 1 else 0
pagerState.animateScrollToPage(target)
animateScrollToPage(target)
key = !key
}
}
}