PBB VI - Kalkulator

Nama  : Nuzul Abatony
NRP    : 5025201107
Kelas   : I

Pada pertemuan kali ini, kami membuat sebuah project yaitu kalkulator sederhana menggunakan kotlin dengan referensi berikut: PPB Tutorial

Berikut adalah link repository dari project yang dibuat: Link

Dengan hasil akhir seperti berikut: 

Dengan kode seperti berikut: 

package com.example.kalkulator

import android.os.Bundle
import android.widget.Toast
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.width
import androidx.compose.material3.Button
import androidx.compose.material3.Text
import androidx.compose.material3.TextField
import androidx.compose.ui.Modifier
import androidx.compose.runtime.*
import androidx.compose.ui.unit.dp

class MainActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {

            var num1 by remember {
                mutableStateOf(value = "0")
            }
            var num2 by remember {
                mutableStateOf(value = "0")
            }

            Column {
                TextField(value = num1, onValueChange = {
                    num1 = it
                })
                TextField(value = num2, onValueChange = {
                    num2 = it
                })
                Spacer(modifier = Modifier.height(32.dp))
                Row {
                    Button(onClick = {
                        var result = num1.toInt() + num2.toInt()
                        Toast.makeText(applicationContext, "Result is $result", Toast.LENGTH_SHORT).show()
                    }) {
                        Text(text = "Add")
                    }
                    Spacer(modifier = Modifier.width(16.dp))
                    Button(onClick = {
                        var result = num1.toInt() - num2.toInt()
                        Toast.makeText(applicationContext, "Result is $result", Toast.LENGTH_SHORT).show()
                    }) {
                        Text(text = "Sub")
                    }
                    Spacer(modifier = Modifier.width(16.dp))
                    Button(onClick = {
                        var result = num1.toInt() * num2.toInt()
                        Toast.makeText(applicationContext, "Result is $result", Toast.LENGTH_SHORT).show()
                    }) {
                        Text(text = "Mul")
                    }
                    Spacer(modifier = Modifier.width(16.dp))
                    Button(onClick = {
                        var result = num1.toInt() / num2.toInt()
                        Toast.makeText(applicationContext, "Result is $result", Toast.LENGTH_SHORT).show()
                    }) {
                        Text(text = "Div")
                    }
                }
            }
        }
    }
}