How to sync app contact to android contact and make a group programatically

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In my android application contains phonenumber and email(more than 1000), now i need to sync those contact in android contact and need to make a group, i have refereed below link

http://ift.tt/1h3Kddi

Even not able to conclude how to achieve, can anyone suggest or give needful link

Thanks

asked 38 secs ago

Madhu

398

How to sync app contact to android contact and make a group programatically