116 lines
3.9 KiB
Kotlin
116 lines
3.9 KiB
Kotlin
package com.example.programpengurutanangka
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import android.os.Bundle
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import androidx.activity.ComponentActivity
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import androidx.activity.compose.setContent
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import androidx.activity.enableEdgeToEdge
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import androidx.compose.foundation.layout.*
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import androidx.compose.material3.*
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import androidx.compose.runtime.*
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.foundation.text.KeyboardOptions
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import androidx.compose.ui.text.input.KeyboardType
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import androidx.compose.ui.tooling.preview.Preview
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import androidx.compose.ui.unit.dp
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import com.example.programpengurutanangka.ui.theme.ProgramPengurutanAngkaTheme
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class MainActivity : ComponentActivity() {
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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enableEdgeToEdge()
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setContent {
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ProgramPengurutanAngkaTheme {
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Scaffold { innerPadding ->
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ProgramPengurutanAngka(
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modifier = Modifier
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.padding(innerPadding)
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.padding(16.dp)
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)
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}
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}
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}
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}
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}
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@Composable
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fun ProgramPengurutanAngka(modifier: Modifier = Modifier) {
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var input by remember { mutableStateOf("") }
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var result by remember { mutableStateOf("") }
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var error by remember { mutableStateOf<String?>(null) }
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var ascending by remember { mutableStateOf(true) }
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Column(
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modifier = modifier.fillMaxSize(),
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verticalArrangement = Arrangement.Top,
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horizontalAlignment = Alignment.Start
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) {
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OutlinedTextField(
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value = input,
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onValueChange = {
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input = it
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error = null
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},
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label = { Text("Masukkan angka (contoh: 9, 5, 1 atau 9 5 1 atau 9;5;1)") },
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modifier = Modifier.fillMaxWidth(),
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keyboardOptions = KeyboardOptions.Default.copy(keyboardType = KeyboardType.Text)
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)
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Spacer(modifier = Modifier.height(8.dp))
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Row(verticalAlignment = Alignment.CenterVertically) {
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Text("Urutkan:")
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Spacer(modifier = Modifier.width(8.dp))
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RadioButton(selected = ascending, onClick = { ascending = true })
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Text("Ascending", modifier = Modifier.padding(end = 12.dp))
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RadioButton(selected = !ascending, onClick = { ascending = false })
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Text("Descending")
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}
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Spacer(modifier = Modifier.height(12.dp))
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Button(onClick = {
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// Ambil semua angka yang valid (mendukung sign dan desimal, koma/dot sebagai pemisah desimal)
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val regex = Regex("-?\\d+[\\.,]?\\d*")
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val parsed = regex.findAll(input)
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.map { it.value.replace(',', '.') } // ubah koma jadi dot supaya parseDouble berhasil
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.mapNotNull { it.toDoubleOrNull() }
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.toList()
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if (parsed.isEmpty()) {
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error = "Tidak ditemukan angka valid. Gunakan pemisah koma/spasi/semicolon atau masukkan angka."
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result = ""
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} else {
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val sorted = if (ascending) parsed.sorted() else parsed.sortedDescending()
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result = sorted.joinToString(", ") { n ->
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// tampilkan tanpa .0 jika integer
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if (n % 1.0 == 0.0) n.toLong().toString() else n.toString()
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}
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error = null
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}
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}) {
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Text("Urutkan")
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}
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Spacer(modifier = Modifier.height(12.dp))
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if (error != null) {
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Text(text = error!!, color = MaterialTheme.colorScheme.error)
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}
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Text(
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text = "Hasil: $result",
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style = MaterialTheme.typography.bodyLarge,
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modifier = Modifier.padding(top = 8.dp)
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)
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}
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}
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@Preview(showBackground = true)
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@Composable
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fun PreviewProgram() {
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ProgramPengurutanAngkaTheme {
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ProgramPengurutanAngka()
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}
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}
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