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Tugas 1 "Create Your First App" dari developer.android.com

MainActivity.kt

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+package com.example.helloworld
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import com.example.helloworld.ui.theme.HelloWorldTheme
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.unit.dp
+import androidx.compose.foundation.layout.padding
+import androidx.compose.ui.text.style.TextAlign
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContent {
+            HelloWorldTheme {
+                Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
+                    Greeting(
+                        name = "Android",
+                        modifier = Modifier.padding(innerPadding)
+                    )
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun Greeting(name: String, modifier: Modifier = Modifier) {
+    Surface(color = Color.Green) {
+        androidx.compose.foundation.layout.Column(
+            modifier = modifier.padding(24.dp)
+        ) {
+            Text(
+                text = "Hello, $name!",
+                textAlign = TextAlign.Justify
+            )
+            Text(
+                text = "Mobile Programming 25/26.",
+                textAlign = TextAlign.Justify
+            )
+        }
+    }
+}
+
+
+@Preview(showBackground = true)
+@Composable
+fun GreetingPreview() {
+    HelloWorldTheme {
+        Greeting("Rafi Fattan")
+    }
+}