Calling a notification from GCMIntentService class?

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http://stackoverflow.com – I've just copied across the code from Googles page. But as is often the case its not working off the bat. I've got the latest version of android support library and its in my libs folder not lib. import android.app.NotificationManager; import android.app.PendingIntent; import android.app.TaskStackBuilder; import android.content.Context; import android.content.Intent; import android.os.Handler; import android.os.Looper; import android.support.v4.app.NotificationCompat; import android.util.Log; import android.widget.Toast; import com.google.android.gcm.GCMBaseIntentService; public class GCMIn (HowTos)