Android utility method to add a notification

BaseActivity.java

package info.decamps.droid.demo;

import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;

import android.app.Activity;

public class BaseActivity extends Activity {
	/**
	 * Utility function to display a notification from an activity.
	 * 
	 * Don't use this method as it demonstrates a bug. Please see
	 * http://regis.decamps.info/blog/?p=2529
	 * 
	 * @param contentText
	 *            The text the notification holds.
	 * @param targetActivity
	 *            The activity to start when the notification is clicked.
	 */
	public void displayNotification(CharSequence contentText,
			Class<?> targetActivity) {
		NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

		int icon = android.R.drawable.stat_notify_chat;
		long when = System.currentTimeMillis();
		// I don't use ticker text
		Notification notification = new Notification(icon, null, when);

		Context context = this;
		// my title is always my application name
		String contentTitle = getString(R.string.app_name);

		int requestCode = 0; // javadoc says "private code curently not used"
		Intent intent = new Intent(context, targetActivity);
		PendingIntent contentIntent = PendingIntent.getActivity(context,
				requestCode, intent, Intent.FLAG_ACTIVITY_NEW_TASK);

		notification.setLatestEventInfo(context, contentTitle, contentText,
				contentIntent);

		int id = (int) (Math.random() * 100);
		notificationManager.notify(id, notification);
	}
}

NotifActivity

package info.decamps.droid.demo;

import android.os.Bundle;

public class NotifActivity extends BaseActivity {
	/** Called when the activity is first created. */
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);

		displayNotification("Oh brother, thou have a message",
				MessageActivity.class);
	}
}