Simple Button Demo

/* This is Simple Button Demo of Android */

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:orientation="vertical"
    android:gravity="center" >

    <Button
        android:id="@+id/btnMyClick"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Click Me" />
   
</LinearLayout>

ButtonDemoActivity.java


package com.buttondemo;

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

public class ButtonDemoActivity extends Activity {
    /** Called when the activity is first created. */
    Button btnMyClick;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
       
        btnMyClick=(Button)findViewById(R.id.btnMyClick);
        btnMyClick.setOnClickListener(new OnClickListener() {
           
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                Toast.makeText(ButtonDemoActivity.this, "My Button is Pressed", Toast.LENGTH_LONG).show();
            }
        });
    }
}