Skip to content

Adds the code snippet on https://developer.android.com/quick-guides/c… #351

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from
Sep 23, 2024
Merged

Adds the code snippet on https://developer.android.com/quick-guides/c… #351

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
125b5bc
Adds the code snippet on https://developer.android.com/quick-guides/c…
thedmail Sep 17, 2024
b1d46e8
Apply Spotless
thedmail Sep 17, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
26 changes: 26 additions & 0 deletions compose/snippets/src/main/java/com/example/compose/snippets/lists/LazyListSnippets.kt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,7 @@ import androidx.compose.foundation.lazy.staggeredgrid.StaggeredGridCells
import androidx.compose.foundation.lazy.staggeredgrid.items
import androidx.compose.foundation.rememberScrollState
import androidx.compose.foundation.verticalScroll
import androidx.compose.material3.Button
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.LaunchedEffect
Expand Down Expand Up @@ -742,3 +743,28 @@ private val randomSizedPhotos = listOf(
randomSampleImageUrl(width = 1600, height = 900),
randomSampleImageUrl(width = 500, height = 500),
)

// [START android_compose_lists_snap_scroll_button]
@Composable
fun MessageList(modifier: Modifier = Modifier) {
val listState = rememberLazyListState()
val coroutineScope = rememberCoroutineScope()

LazyColumn(state = listState, modifier = Modifier.height(120.dp)) {
items(10) { index ->
Text(
modifier = Modifier.height(40.dp),
text = "Item $index"
)
}
}

Button(onClick = {
coroutineScope.launch {
listState.animateScrollToItem(index = 0)
}
}) {
Text(text = "Go top")
}
}
// [END android_compose_lists_snap_scroll_button]