Android : bind to nested separate service

assume has an app."myapp". an service in separate process."myservice".

process=":myservice". an second service in separated service. "secondservice".

process=":myservice".  

two service are

exported = "true".

inputPinCodeIntent = new Intent(context, EnterCodeActivity.class);
inputPinCodeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(inputPinCodeIntent);  

in EnterCodeActivity get an code and with

Messenger messenger = new Messenger();
messenger.send(m);  

send an message to "secondservice". but dont gotted message. im running service like

final Intent serviceIntent = new Intent(this, PincodeCreditionalInput.class);
bindService(serviceIntent, serviceConnection, BIND_AUTO_CREATE);  

in "onStart" event. anyone can help?

thankful.