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tugas 2 android studio

MainActivity.kt

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+package com.example.myapplication
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.tooling.preview.Preview
+import com.example.myapplication.ui.theme.MyApplicationTheme
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContent {
+            MyApplicationTheme {
+                Scaffold(
+                    modifier = Modifier.fillMaxSize()
+                ) { innerPadding -> // <-- gunakan innerPadding
+                    // letakkan Box/Surface agar background dan padding saling berurutan
+                    Box(
+                        modifier = Modifier
+                            .fillMaxSize()
+                            .background(Color(0xFF0D47A1)) // contoh biru gelap; bisa pake Color.Blue juga
+                            .padding(innerPadding) // <-- pakai innerPadding di sini
+                    ) {
+                        Greeting(
+                            name = "Android",
+                            modifier = Modifier // kalau mau beri margin/padding lagi, tambahkan di sini
+                        )
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun Greeting(name: String, modifier: Modifier = Modifier) {
+    Text(
+        text = "Hello $name!",
+        color = Color.White,
+        modifier = modifier
+    )
+}
+
+@Preview(showBackground = true)
+@Composable
+fun GreetingPreview() {
+    MyApplicationTheme {
+        Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
+            Box(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .background(Color(0xFF0D47A1))
+                    .padding(innerPadding)
+            ) {
+                Greeting("Lalu Angga")
+            }
+        }
+    }
+}