Android :: Service Provider / Client

I am creating a service client and the following lines give me error. I was wondering how to fix these... // I have put in the service client stuff below...

private CheckZone mBoundService; private ServiceConnection mConnection = new ServiceConnection() { public void onServiceConnected(ComponentName CheckZone, IBinder service) { // This is called when the connection with the service has been // established, giving us the service object we can use to // interact with the service. Because we have bound to a explicit // service that we know is running in our own process, we can // cast its IBinder to a concrete class and directly access it. mBoundService = ((CheckZone.LocalBinder)service).getService();

//This line complians about binding, and states that it can not be resolved. How do I fix this please? Toast.makeText(binding.this, "Connected to CheckZone", Toast.LENGTH_SHORT).show(); }