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MainActivity.kt

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+package com.example.array
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+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.tooling.preview.Preview
+import com.example.array.ui.theme.ArrayTheme
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContent {
+            ArrayTheme {
+                Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
+
+                    // Data awal
+                    val data = arrayOf(19, 15, 1, 14, 3)
+                    val before = data.joinToString(", ")
+
+                    // Jalankan insertion sort
+                    insertionSort(data)
+                    val after = data.joinToString(", ")
+
+                    Greeting(
+                        text = "Array sebelum: $before\nArray sesudah: $after",
+                        modifier = Modifier.padding(innerPadding)
+                    )
+                }
+            }
+        }
+    }
+
+    // Fungsi insertion sort
+    private fun insertionSort(array: Array<Int>) {
+        for (i in 1 until array.size) {
+            val key = array[i]
+            var j = i - 1
+
+            // Pindahkan elemen yang lebih besar dari key ke satu posisi di depan
+            while (j >= 0 && array[j] > key) {
+                array[j + 1] = array[j]
+                j--
+            }
+            array[j + 1] = key
+        }
+    }
+}
+
+@Composable
+fun Greeting(text: String, modifier: Modifier = Modifier) {
+    Text(
+        text = text,
+        modifier = modifier
+    )
+}
+
+@Preview(showBackground = true)
+@Composable
+fun GreetingPreview() {
+    ArrayTheme {
+        Greeting("Array sebelum: 9, 5, 1, 4, 3\nArray sesudah: 1, 3, 4, 5, 9")
+    }
+}