Narrowing the examples to just the example with nested items

Author: jakeroseman

compose/snippets/src/main/java/com/example/compose/snippets/components/NavigationDrawer.kt

@@ -43,49 +43,15 @@ import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 
-enum class ExampleStrings(val description: String) {
-    SIMPLE("simple navigation drawer example"),
-    NESTED("navigation drawer with nested items")
-}
+const val HELP_TEXT = "Swipe from left to open navigation drawer with nested items."
 
 @Composable
 fun NavigationDrawerExamples() {
-    var currentExample by remember { mutableStateOf<ExampleStrings?>(null) }
-
-    if (currentExample == null) {
-        Column() {
-            Text(
-                text = "Select which example you'd like to see.",
-                textAlign = TextAlign.Center,
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .padding(16.dp)
-            )
-
-            Button(onClick = { currentExample = ExampleStrings.SIMPLE }) {
-                Text("Simple navigation drawer.")
-            }
-            Button(onClick = { currentExample = ExampleStrings.NESTED }) {
-                Text("Navigation drawer with nested items.")
-            }
+    NestedNavigationDrawerExample(
+        screenContent = {
+            Text(HELP_TEXT)
         }
-    }
-
-    Column(modifier = Modifier.fillMaxSize()) {
-        Text(
-            text = "Swipe from left to open the ${currentExample!!.description}.",
-            textAlign = TextAlign.Center,
-            modifier = Modifier
-                .fillMaxWidth()
-                .padding(16.dp)
-        )
-    }
-
-    when (currentExample) {
-        null,
-        ExampleStrings.SIMPLE -> SimpleNavigationDrawerExample()
-        ExampleStrings.NESTED -> NestedNavigationDrawerExample()
-    }
+    )
 }
 
 @Preview
@@ -94,36 +60,6 @@ private fun NavigationDrawerExamplesPreview() {
     NavigationDrawerExamples()
 }
 
-// [START android_compose_components_simplenavigationdrawerexample]
-@Composable
-fun SimpleNavigationDrawerExample() {
-    ModalNavigationDrawer(
-        drawerContent = {
-            ModalDrawerSheet {
-                NavigationDrawerItem(
-                    label = { Text(text = "Item 1") },
-                    selected = false,
-                    onClick = { /* Do something... */ }
-                )
-                NavigationDrawerItem(
-                    label = { Text(text = "Item 2") },
-                    selected = false,
-                    onClick = { /* Do something... */ }
-                )
-            }
-        }
-    ) {
-        // Screen content
-    }
-}
-// [END android_compose_components_simplenavigationdrawerexample]
-
-@Preview
-@Composable
-private fun SimpleNavigationDrawerExamplePreview() {
-    SimpleNavigationDrawerExample()
-}
-
 // [START android_compose_components_navigationdrawergroupitem]
 @Composable
 fun NavigationDrawerGroupItem(
@@ -153,7 +89,9 @@ fun NavigationDrawerGroupItem(
 
 // [START android_compose_components_nestednavigationdrawerexample]
 @Composable
-fun NestedNavigationDrawerExample() {
+fun NestedNavigationDrawerExample(
+    screenContent: @Composable () -> Unit,
+) {
     ModalNavigationDrawer(
         drawerContent = {
             ModalDrawerSheet {
@@ -197,13 +135,13 @@ fun NestedNavigationDrawerExample() {
             }
         }
     ) {
-        // Screen content
+        screenContent()
     }
 }
 // [END android_compose_components_nestednavigationdrawerexample]
 
 @Preview
 @Composable
 private fun NestedNavigationDrawerExamplePreview() {
-    NestedNavigationDrawerExample()
+    NestedNavigationDrawerExample{ Text(HELP_TEXT) }
 }