ANDROİD İki sayının toplamı ve çıkarma (int komutu)


   package com.example.ebuenesyl.ill;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

Button btn;
TextView tv;
EditText edt;
EditText edt2;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);


btn=(Button)findViewById(R.id.btt);
tv=(TextView)findViewById(R.id.tx);
edt=(EditText)findViewById(R.id.ed1);
edt2=(EditText)findViewById(R.id.ed2);

btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {

int s1=Integer.parseInt(edt.getText().toString());
int s2=Integer.parseInt(edt2.getText().toString());

int sonuç=s1+s2;

tv.setText("SONUÇ: "+sonuç);

//iki şekildede yapılır
//tv.setText(String.valueOf(sonuç));
}
});
} }