package
com.geeksforgeeks.myfirstkotlinapp
import
android.os.Bundle
import
androidx.appcompat.app.AppCompatActivity
import
android.widget.EditText
import
android.widget.ImageButton
import
android.widget.Toast
class
MainActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super
.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
val num1 = findViewById<EditText>(R.id.Num1)
val num2 = findViewById<EditText>(R.id.Num2)
val imgbtn = findViewById<ImageButton>(R.id.imageBtn)
imgbtn.setOnClickListener {
if
(num1.text.toString().isEmpty() || num2.text.toString().isEmpty()) {
Toast.makeText(applicationContext,
"Enter both numbers"
, Toast.LENGTH_SHORT).show()
}
else
{
val num1 = Integer.parseInt(num1.text.toString())
val num2 = Integer.parseInt(num2.text.toString())
Toast.makeText(applicationContext,
"Sum of the numbers = "
+ (num1 + num2),
Toast.LENGTH_SHORT).show()
}
}
}
}