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

心已入冬 提交于 2019-11-26 14:31:50

问题


I develop an app which needs to do 2 things:

  • Create a user account (like WhatsApp).
  • Whenever there is a new contact entry, if the contact is using my app, then immediately in the Contacts application show options "call" or "message" in the contact detail page.

Example


回答1:


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.



来源:https://stackoverflow.com/questions/42525615/how-to-add-whatsapp-like-options-to-contact-whenever-the-is-a-new-contact-added

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