package in.ezeon.app;
import android.os.Bundle;
import android.app.Activity;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
public class CalcActivity extends Activity {
//component declaration
EditText etA, etB;
Button btnSum;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_calc);
//initialize components
etA=(EditText) findViewById(R.id.etA);
etB=(EditText) findViewById(R.id.etB);
btnSum=(Button) findViewById(R.id.btnSum);
//add or register listener to button
btnSum.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//Handle the task on button click here.
//read data from input field
Integer a=new Integer(etA.getText().toString());
Integer b=new Integer(etB.getText().toString());
int sum=a+b;
Toast.makeText(CalcActivity.this, "Sum: "+sum , Toast.LENGTH_LONG).show();
}
});
}
}
