android - How to get gmail user's contacts? -

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i need retrieve email addresses user has stored in gmail account. in app, user can decide invite friend of him. want application (if user tell me "ok") presents list of user's contacts email addresses stored in gmail, among can choose 1 or more...

i know exists authentication , authorization google apis". right way? and, how use them in android?

the question , accepted answer @ get contact info android contact picker has example of how use android native contact-picker.


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