得到

2026-07-15 16:57:36 +08:00
parent 723ce1af5c
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+<!---
+This is the API of version 1.2.0
+-->
+# RadioButton
+
+Radio buttons allow users to select one option from a set.
+
+<p align="left">
+  <img src ="{{ site.images }}/material/radiobutton/radiobutton.png" height=100 width=300 style="border: 1px solid black;" />
+</p>
+
+## Example
+
+```kotlin
+@Composable
+fun RadioButtonSample() {
+    val radioOptions = listOf("A", "B", "C")
+    val (selectedOption, onOptionSelected) = remember { mutableStateOf(radioOptions[1] ) }
+    Column {
+        radioOptions.forEach { text ->
+            Row(
+                Modifier
+                .fillMaxWidth()
+                .selectable(
+                    selected = (text == selectedOption),
+                    onClick = {
+                        onOptionSelected(text)
+                    }
+                )
+                .padding(horizontal = 16.dp)
+            ) {
+                RadioButton(
+                    selected = (text == selectedOption),
+                    onClick = { onOptionSelected(text) }
+                )
+                Text(
+                    text = text,
+                    style = MaterialTheme.typography.body1.merge(),
+                    modifier = Modifier.padding(start = 16.dp)
+                )
+            }
+        }
+    }
+}
+```
+
+
+## See also:
+* [Official Docs](https://developer.android.com/reference/kotlin/androidx/compose/material/package-summary#radiobutton)
+* [Full Example Code]({{ site.samplefolder }}/material/radiobutton/RadioButtonSample.kt)