Button Working using onClick method

Demo:

1)main.xml:

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:background="#5F04B4"

    android:orientation="vertical" >

    <Button

        android:id="@+id/button1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_gravity="center"

        android:layout_marginTop="100dp"

        android:onClick="click"

        android:text="Click"

        android:textSize="20dp" />

</LinearLayout>

2)Activity:

package com.venky.buttononclick;

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import android.widget.Toast;

public class ButtonWorkingthroughOnClickActivity extends Activity {

      /** Called when the activity is first created. */

      Button btnClick;

      @Override

      public void onCreate(Bundle savedInstanceState) {

            super.onCreate(savedInstanceState);

            setContentView(R.layout.main);

            btnClick = (Button) findViewById(R.id.button1);

      }

      public void click(View v) {

            // TODO Auto-generated method stub

            Toast.makeText(getApplicationContext(), "Button is Clicked",

                        Toast.LENGTH_SHORT).show();

      }

}

3)Download this Project Click Here