Tugas 6 - Membuat calculator

 

Nama : Muhammad Rafif Fadhil Naufal

NRP : 5025201273

Kelas : Pemrograman Perangkat Bergerak - B

Tugas 6 : Membuat Caclulator

Membuat Calculator Simple

package com.example.mycalculator

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.Spacer
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.width
import androidx.compose.material3.Button
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Surface
import androidx.compose.material3.Text
import androidx.compose.material3.TextField
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.compose.ui.tooling.preview.Preview
//import com.example.mycalculator.ui.theme.mycalculatortheme
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")
                    }
                }
            }
        }
    }
}