Using such code it is possible to link my app and use account.
if (mGoogleApiClient == null) { mGoogleApiClient = new GoogleApiClient.Builder(thi
EDIT
THIS METHOD IS DEPRECATED
Use like this
if (mGoogleApiClient != null) { if (mGoogleApiClient.isConnected()) { Plus.AccountApi.clearDefaultAccount(mGoogleApiClient); mGoogleApiClient.disconnect(); } }