Add Two Number Source code

1)      src\ app.hitesh\ AddTwoNumberApp2Activity.java

package app.hitesh;


import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class AddTwoNumberApp2Activity extends Activity implements OnClickListener {
   
    Button btnrel;
    EditText txtval1,txtval2;
   
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
       
        btnrel=(Button)findViewById(R.id.btnsum);
       
        txtval1=(EditText)findViewById(R.id.txtval1);
        txtval2=(EditText)findViewById(R.id.txtval2);
       
        btnrel.setOnClickListener(this);
       
    }

    public void onClick(View v) {
           
        int value1=Integer.parseInt(txtval1.getText().toString());
        int value2=Integer.parseInt(txtval2.getText().toString());
       
        int rel=value1+value2;
       
        Toast.makeText(this, String.valueOf(rel), Toast.LENGTH_SHORT).show();
    }
} 



2)      res\ layout\ main.xml


 <?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:weightSum="1">
<TextView
    android:layout_width="fill_parent"
  
    android:layout_height="wrap_content"
    android:layout_weight="0.06" android:gravity="center" android:text="Addition of Two Number" android:textSize="17dp"/>
<EditText android:layout_height="wrap_content" android:layout_width="fill_parent" android:layout_weight="0.06" android:hint="First Value" android:id="@+id/txtval1">
    <requestFocus></requestFocus>
</EditText>
<EditText android:layout_height="wrap_content" android:layout_width="fill_parent" android:layout_weight="0.06" android:hint="Second Value" android:id="@+id/txtval2"></EditText>
<Button android:layout_height="wrap_content" android:layout_weight="0.06" android:layout_width="103dp" android:text="Addition" android:id="@+id/btnsum"></Button>

<TextView
    android:id="@+id/textView1"
    android:layout_width="305dp"
    android:layout_height="wrap_content"
    android:layout_weight="0.06"
    android:text="Hitesh Jadav"
    android:textAppearance="?android:attr/textAppearanceLarge" android:textColor="#708090"/>

</LinearLayout>

Add Two Number