#1 - Reusing composables

Jikdroid · Jan 16, 2023 · 35d2d9b · 35d2d9b
1 parent 54f0548
commit 35d2d9b
Showing 1 changed file with 15 additions and 9 deletions.
diff --git a/Basics_Codelab/app/src/main/java/jik/compose/basicscodelab/MainActivity.kt b/Basics_Codelab/app/src/main/java/jik/compose/basicscodelab/MainActivity.kt
@@ -19,21 +19,27 @@ class MainActivity : ComponentActivity() {
         super.onCreate(savedInstanceState)
         setContent {
             BasicsCodelabTheme {
-                // A surface container using the 'background' color from the theme
-                Surface(
-                    modifier = Modifier.fillMaxSize(),
-                    color = MaterialTheme.colorScheme.background
-                ) {
-                    Greeting("Android")
-                }
+                MyApp(modifier = Modifier.fillMaxSize())
             }
         }
     }
 }
 
+@Composable
+private fun MyApp(modifier: Modifier = Modifier) {
+    Surface(
+        modifier = modifier,
+        color = MaterialTheme.colorScheme.background
+    ) {
+        Greeting("Android")
+    }
+}
+
 @Composable
 fun Greeting(name: String) {
-    Surface(color = MaterialTheme.colorScheme.primary) {
+    Surface(
+        color = MaterialTheme.colorScheme.primary
+    ) {
         Text(text = "Hello $name!", modifier = Modifier.padding(24.dp))
     }
 }
@@ -42,6 +48,6 @@ fun Greeting(name: String) {
 @Composable
 fun DefaultPreview() {
     BasicsCodelabTheme {
-        Greeting("Android")
+        MyApp()
     }
 }