Image Button ( Android )

package com.test.android;

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

public class Test extends Activity {
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setTitle("TestImageButton);
    setContentView(R.layout.main);
  }
}

//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="wrap_content">

<TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="ImageButton" />      

<ImageButton android:id="@+id/imagebutton"
  android:src="@drawable/icon"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"/>

</LinearLayout>