问题
I am new on this so i do not find the answer on the internet or i am not sure if the answer is that. What i am trying to do is to make my app sync all the contacts in the native contact app like whatsapp or facebook does. I also wanted to link contacts. Any hint or tutorial would be great.
Something like this:
What are the benefits of putting my app over there? I am very new on this. Please I hope an answer do not vote down D:. Any answer is welcome.
回答1:
Account Manager requires several key api's to work with your app.
Just to show your App account
- Authenticator Activtiy which extends AbstractAccountAuthenticator
- Service Activity which Bind's with Authenticator
- An xml file in RES/XML folder
- Some Settings in Android Manifest.
Read this https://www.finalconcept.com.au/article/view/android-account-manager-step-by-step
To Auto Sync your Account;
- SyncAdapter Class which extends AbstractThreadedSyncAdapter
- SyncService which extends Service
- an xml file , which defines metadata for SyncAdapter
- Permission in Android Manifest
- Optionally Content Provider Class
Offical Android Developer Tutorial https://developer.android.com/training/sync-adapters/index.html
Another Fully Detailed answer (With Examples) : Android Login - Account Authenticator vs Manual Authentication
来源：https://stackoverflow.com/questions/34364101/put-your-app-account-in-auto-sync-settings-android