Is there any method to know weather all electrodes are connected and is in active state in android?. Can we get the connection state?.
If you register a MuseConnectionListener with the Muse object, you will receive callbacks when the connection state changes. See http://android.choosemuse.com/enumcom_1_1choosemuse_1_1libmuse_1_1_connection_state.html and http://android.choosemuse.com/classcom_1_1choosemuse_1_1libmuse_1_1_muse_connection_listener.html
Also, check out the TestLibMuseAndroid example application. There is a connection listener implemented in the MainActivity class.
For eg: EEG ,Delta ,theta electrodes connect and Beta electode does not connect. How to find this?