Tugas 6

Nama : Tengku Fredly Reinaldo

NRP : 5025201198

Kelas : Pemrograman Perangkat Bergerak (I)

Tahun Ajaran : Genap 2023/2024

Link Github : Github

Pada tugas 6 ini, kita diminta untuk membuat sebuah aplikasi kalkulator sederhana dengan 4 operasi matematika : penjumlahan, pengurangan, perkalian, dan pembagian, dengan menggunakan Jetpack Compose di Android Studio

Source Code

package com.example.mycalculator

import android.os.Bundle
import android.widget.Toast
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.activity.enableEdgeToEdge
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.width
import androidx.compose.material3.Button
import androidx.compose.material3.Scaffold
import androidx.compose.material3.Text
import androidx.compose.material3.TextField
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.Modifier
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import com.example.mycalculator.ui.theme.MyCalculatorTheme

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

            var num1 by remember {
                mutableStateOf("0")
            }

            var num2 by remember {
                mutableStateOf("0")
            }

            Column {
                TextField(value = num1, onValueChange = {
                    num1 = it;
                })
                TextField(value = num2, onValueChange = {
                    num2 = it;
                })

                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")
                    }
                }
            }
        }
    }
}

Screenshoot

*Hasil Penjumlahan