Finding the sum of two numbers(Contd..)

Demo 2 (Contd...)

The MainActivity.java file code which contains the logic for the addition of two numbers

package com.addition.demo2;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.*;

public class MainActivity extends Activity
{

 EditText t1,t2;
 TextView display;
 Button b;

 @Override
 protected void
onCreate(Bundle savedInstanceState) { 

super.onCreate(savedInstanceState); 
setContentView(R.layout.activity_main); 

t1=(EditText)findViewById(R.id.editText1);
t2=(EditText)findViewById(R.id.editText2);
display=(TextView)findViewById(R.id.display); 
b=(Button)findViewById(R.id.button1);
 
b.setOnClickListener(new
View.OnClickListener() {
    
  
@Override
   public void
onClick(View v) {
   
float n1,n2;
   
n1=Float.parseFloat(t1.getText().toString());

   n2=Float.parseFloat
(t2.getText().toString());
  
 float sum=(float)n1+n2;  
 display.setText("Your Sum is "+sum);
  
  
}
  });
 }
}