import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
public class MainActivity extends AppCompatActivity {
EditText editSayi1,editSayi2;
TextView textSonuc;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
editSayi1 = findViewById(R.id.editSayi1);
editSayi2= findViewById(R.id.editSayi2);
textSonuc = findViewById(R.id.textResult);
}
public void btnTopla(View view){
double sayi1 = Double.parseDouble(editSayi1.getText().toString());
double sayi2 = Double.parseDouble(editSayi2.getText().toString());
double sonuc = sayi1 + sayi2;
textSonuc.setText(Double.toString(sonuc));
}
public void btnCikar(View view){
double sayi1 = Double.parseDouble(editSayi1.getText().toString());
double sayi2 = Double.parseDouble(editSayi2.getText().toString());
double sonuc = sayi1 - sayi2;
textSonuc.setText(Double.toString(sonuc));
}
public void btnCarp(View view){
double sayi1 = Double.parseDouble(editSayi1.getText().toString());
double sayi2 = Double.parseDouble(editSayi2.getText().toString());
double sonuc = sayi1 * sayi2;
textSonuc.setText(Double.toString(sonuc));
}
public void btnBol(View view){
double sayi1 = Double.parseDouble(editSayi1.getText().toString());
double sayi2 = Double.parseDouble(editSayi2.getText().toString());
double sonuc = sayi1 / sayi2;
textSonuc.setText(Double.toString(sonuc));
}
}