How to add whatsapp like options to contact whenever the is a new contact added to Contacts

北战南征 提交于 2019-11-27 09:07:59

You need to create a SyncAdapter, this is basically a service that is able to sync contacts to/from a server, like Google does for Google Contacts, you can set it to be notified when a new contact is added, and have your SyncAdapter add the needed info to the contact so it'll show links to your app.

If you go to your phone settings > accounts, you can see Whatsapp and Google's SyncAdapters there, where you can turn them off/on.

To create a sync adapter, you can follow the official docs, or this great tutorial.

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