jlengrand/compose-multiplatform
1
0
Fork 0
mirror of https://github.com/jlengrand/compose-multiplatform.git synced 2026-03-10 08:11:20 +00:00
Code Issues Packages Projects Releases Wiki Activity

Tutorials. Fix Scrollbars examples

Browse Source
This commit is contained in:
Igor Demin
2021-02-08 13:40:43 +03:00
parent c8b0ee23d0
commit dc4910c2b6
1 changed files with 12 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
tutorials/Scrollbars/README.md
View File

@@ -6,7 +6,7 @@ In this tutorial, we will show you how to add scrollbars to scrollable lists usi
## Scrollbars applying
You can apply scrollbars to scrollable components. The scrollbar and scrollable components share a common state to synchronize with each other. For example, VerticalScrollbar can be attached to ScrollableColumn, and LazyColumnFor and HorizontalScrollbar can be attached to ScrollableRow and LazyRowFor.
You can apply scrollbars to scrollable components. The scrollbar and scrollable components share a common state to synchronize with each other. For example, VerticalScrollbar can be attached to Modifier.verticalScroll, and LazyColumnFor and HorizontalScrollbar can be attached to Modifier.horizontalScroll and LazyRowFor.
```kotlin
import androidx.compose.desktop.Window
@@ -53,7 +53,7 @@ fun main() {
) {
Column {
for (item in 0..30) {
TextBox("Item in ScrollableColumn #$item")
TextBox("Item #$item")
if (item < 30) {
Spacer(modifier = Modifier.height(5.dp))
}
@@ -138,7 +138,7 @@ fun LazyScrollable() {
LazyColumn(Modifier.fillMaxSize().padding(end = 12.dp), state) {
items(itemCount) { x ->
TextBox("Item in ScrollableColumn #$x")
TextBox("Item #$x")
Spacer(modifier = Modifier.height(5.dp))
}
}
@@ -173,7 +173,7 @@ fun TextBox(text: String = "Item") {
Scrollbars support themes to change their appearance. The example below shows how to use the DesktopTheme appearance for the scrollbar.
``` kotlin
```kotlin
import androidx.compose.desktop.DesktopTheme
import androidx.compose.desktop.Window
import androidx.compose.foundation.background
@@ -186,9 +186,10 @@ import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.rememberScrollbarAdapter
import androidx.compose.foundation.rememberScrollState
import androidx.compose.foundation.ScrollableColumn
import androidx.compose.material.Text
import androidx.compose.foundation.VerticalScrollbar
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.verticalScroll
import androidx.compose.material.MaterialTheme
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
@@ -208,12 +209,14 @@ fun main() {
) {
val state = rememberScrollState(0f)
ScrollableColumn(
modifier = Modifier.fillMaxSize().padding(end = 12.dp),
scrollState = state
Column(
modifier = Modifier
.verticalScroll(state)
.fillMaxSize()
.padding(end = 12.dp)
) {
for (item in 0..30) {
TextBox("Item in ScrollableColumn #$item")
TextBox("Item #$item")
if (item < 30) {
Spacer(modifier = Modifier.height(5.dp))
}