Android-实施GCM时未显示令牌

Question

I'm following google's gide on implementing GCM ( using this files ) and I cannot see the token in the logkat:

Log.i(TAG, "GCM Registration Token: " + token);

in the RegistrationIntentService.java file

Answer 1

Please review #2 and #3 here . It could be that your project cannot find the project number which is specified in the google-services.json file.