Tugas - Program Sorting

Tugas2/MainActivity.kt

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+package com.example.programsorting
+
+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.programsorting.ui.theme.ProgramsortingTheme
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContent {
+            ProgramsortingTheme {
+                Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
+                    Tampilan(
+                        data = intArrayOf(12, 2, 5, 15, 20),
+                        modifier = Modifier.padding(innerPadding)
+                    )
+                }
+            }
+        }
+    }
+}
+
+// Fungsi Bubble Sort
+fun bubbleSort(numbers: IntArray): IntArray {
+    val arr = numbers.copyOf()
+    val n = arr.size
+    for (i in 0 until n - 1) {
+        for (j in 0 until n - i - 1) {
+            if (arr[j] > arr[j + 1]) {
+                // Swap
+                val temp = arr[j]
+                arr[j] = arr[j + 1]
+                arr[j + 1] = temp
+            }
+        }
+    }
+    return arr
+}
+
+@Composable
+fun Tampilan(data: IntArray, modifier: Modifier = Modifier) {
+    val sorted = bubbleSort(data)
+    Text(
+        text = "Data sebelum sort: ${data.joinToString(", ")}\n" +
+                "Data setelah sort: ${sorted.joinToString(", ")}",
+        modifier = modifier
+    )
+}
+
+@Preview(showBackground = true)
+@Composable
+fun TampilanPreview() {
+    ProgramsortingTheme {
+        Tampilan(intArrayOf(12, 2, 5, 15, 20))
+    }
+}