Android: Google play games services connection error ( java.lang.IllegalStateException: GoogleApiClient must be connected.)

Question

I\'ve programmed a game for android, everything works fine, but now I want my app to have Google play Games services (leaderboards and achievements). I used

Answer 1

Check the part where you are getting ApiClient i.e. getApiClient(). Write the code below to see if GoogleApiClient is Connected or not.

   GoogleApiClient mGoogleApiClient;
    if(mGoogleApiClient.isConnected()){
     // good
    }else{
     //connect it
     mGoogleApiClient.connect(GoogleApiClient.SIGN_IN_MODE_OPTIONAL);
    }