Update pagingCompose dependencyversion, Update LazyGridScope Implementation (#935)

Co-authored-by: Chris Arriola <chrisarriola@google.com>

Author: tjmtic

app/src/main/java/com/google/samples/apps/sunflower/compose/gallery/GalleryScreen.kt

@@ -40,6 +40,7 @@ import androidx.hilt.navigation.compose.hiltViewModel
 import androidx.paging.PagingData
 import androidx.paging.compose.LazyPagingItems
 import androidx.paging.compose.collectAsLazyPagingItems
+import androidx.paging.compose.itemKey
 import com.google.samples.apps.sunflower.R
 import com.google.samples.apps.sunflower.compose.plantlist.PhotoListItem
 import com.google.samples.apps.sunflower.data.UnsplashPhoto
@@ -79,14 +80,9 @@ private fun GalleryScreen(
             modifier = Modifier.padding(padding),
             contentPadding = PaddingValues(all = dimensionResource(id = R.dimen.card_side_margin))
         ) {
-            // TODO update this implementation once paging Compose supports LazyGridScope
-            // See: https://issuetracker.google.com/issues/178087310
             items(
                 count = pagingItems.itemCount,
-                key = { index ->
-                    val photo = pagingItems[index]
-                    "${ photo?.id ?: ""}${index}"
-                }
+                key = pagingItems.itemKey { it }
             ) { index ->
                 val photo = pagingItems[index] ?: return@items
                 PhotoListItem(photo = photo) {

gradle/libs.versions.toml

@@ -45,7 +45,7 @@ minSdk = "23"
 monitor = "1.6.0"
 navigation = "2.5.3"
 okhttpLogging = "4.10.0"
-pagingCompose = "1.0.0-alpha18"
+pagingCompose = "1.0.0-alpha19"
 profileInstaller = "1.2.0"
 recyclerView = "1.3.0-alpha02"
 retrofit = "2.9.0"