Attempts to update BNR sample for "Multiple Item Types in a List" QuickGuide page at https://developer.android.com/quick-guides/content/build-list-multiple-item-types?hl=en

Author: thedmail

compose/snippets/src/main/java/com/example/compose/snippets/lists/ListWithMultipleItemTypes.kt

@@ -0,0 +1,40 @@
+package com.example.compose.snippets.lists
+
+import android.provider.MediaStore
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.runtime.Composable
+import org.w3c.dom.Text
+
+@Composable
+fun ListWithMultipleItems(numberOfMessages:Int) {
+    val messages = numberOfMessages // or any Int
+    val message = SampleMessage("Hi there", MediaStore.Audio())
+
+    LazyColumn {
+        items(
+            messages,
+            contentType = { it }
+        ) {
+            when (message.content) {
+                // Content Types and Composables are defined elsewhere.
+                is MediaStore.Audio -> AudioMessage(message)
+                is Text -> TextMessage(message)
+            }
+        }
+    }
+}
+
+@Composable
+fun TextMessage(message: SampleMessage) {
+    TODO("Not yet implemented")
+}
+
+@Composable
+fun AudioMessage(message: SampleMessage) {
+    TODO("Not yet implemented")
+}
+
+data class SampleMessage (val text:String, val content:Any)
+{
+
+}