How to change sync settings through Android API?

Is there a way to change the syn开发者_StackOverflow社区c settings of a Gmail account programmatically with an Android app? For instance, I'd like to enable/disable syncing of a Gmail account from my app, without the user having to do anything.

I took a look at AccountManager, but that doesn't seem to be the right place to look.

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You can change it through the API using ContentResolver.setSyncAutomatically(Account account, String authority, boolean sync). You need to get a handle to the account in question (usually through the AccountManager class...) and you'll need to lookup the content authority string. The latter you can get from android.Provider.xxxContract (ContactsContract for example...)

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I can tell you:

• Generally, sync is controlled via the BACKGROUND_DATA setting in Settings.Secure, which cannot be modified by applications
• The Gmail application is not part of the SDK and so exposes no APIs