ImageButton - Android Widgets Example

package com.myapp;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.ImageButton;
import android.app.AlertDialog;


public class MainActivity extends Activity {

   
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        final AlertDialog.Builder adb = new AlertDialog.Builder(this);
        
        // imageButton1
        final ImageButton imgbtn = (ImageButton) findViewById(R.id.imageButton1);
        imgbtn.setImageResource(R.drawable.ic_action_search);
        imgbtn.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                // Perform action on click
                AlertDialog ad = adb.create();
                ad.setMessage("Sawatdee Jaa");
                ad.show();
            }
        });
             
    }
    
    
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }

    
}