google calendar

1. user guide on google

https://developers.google.com/google-apps/calendar/instantiate

 

2. google app console for developers

https://developers.google.com/google-apps/calendar/instantiate

 

3.set up oauth info

google calendar_第1张图片

 notes:you need to set your redirect uris both on google console and in your coode. that is,you need to set up redirect uris on two place.

 

4. unbind your account, rebind your account, let me get a new refreshtoekn again

 https://www.google.com/settings/u/1/security

 

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