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MainActivitySorting.kt

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+package com.example.dendiyogiapratama_sorting
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.MaterialTheme
+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 androidx.compose.ui.unit.dp
+import com.example.dendiyogiapratama_sorting.ui.theme.DendiYogiaPratamaSortingTheme
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContent {
+            DendiYogiaPratamaSortingTheme {
+                Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
+                    val numbers = listOf(64, 34, 25, 12, 22, 11, 90)
+                    val sortedNumbers = bubbleSortAngka(numbers)
+
+                    Greeting(
+                        name = "AndroidDen",
+                        numbers = numbers,
+                        sortedNumbers = sortedNumbers,
+                        modifier = Modifier.padding(innerPadding)
+                    )
+                }
+            }
+        }
+    }
+}
+
+// Fungsi Bubble Sort - Algoritma sorting manual step by step
+fun bubbleSortAngka(numbers: List<Int>): List<Int> {
+    // Konversi List ke MutableList agar bisa diubah
+    val arr = numbers.toMutableList()
+    val n = arr.size
+
+    // Loop untuk setiap elemen
+    for (i in 0 until n - 1) {
+        // Loop untuk membandingkan elemen yang berdekatan
+        for (j in 0 until n - i - 1) {
+            // Jika elemen sebelah kiri lebih besar dari kanan, tukar posisinya
+            if (arr[j] > arr[j + 1]) {
+                // Proses penukaran (swap)
+                val temp = arr[j]
+                arr[j] = arr[j + 1]
+                arr[j + 1] = temp
+            }
+        }
+    }
+
+    return arr
+}
+
+@Composable
+fun Greeting(
+    name: String,
+    numbers: List<Int>,
+    sortedNumbers: List<Int>,
+    modifier: Modifier = Modifier
+) {
+    Column(modifier = modifier.padding(16.dp)) {
+        Text(
+            text = "Hello $name!",
+            style = MaterialTheme.typography.headlineMedium,
+            modifier = Modifier.padding(bottom = 8.dp)
+        )
+
+        Text(
+            text = "Angka asli: ${numbers.joinToString(", ")}",
+            style = MaterialTheme.typography.bodyLarge,
+            modifier = Modifier.padding(bottom = 4.dp)
+        )
+
+        Text(
+            text = "Angka yang terurut (Bubble Sort): ${sortedNumbers.joinToString(", ")}",
+            style = MaterialTheme.typography.bodyLarge,
+            color = MaterialTheme.colorScheme.primary
+        )
+    }
+}
+
+@Preview(showBackground = true)
+@Composable
+fun GreetingPreview() {
+    val numbers = listOf(64, 34, 25, 12, 22, 11, 90)
+    val sortedNumbers = bubbleSortAngka(numbers)
+
+    DendiYogiaPratamaSortingTheme {
+        Greeting(
+            name = "AndroidDen",
+            numbers = numbers,
+            sortedNumbers = sortedNumbers
+        )
+    }
+}