I want to clear the application's data when a user manually removes an account from the Accounts & sync
section in the settings app.
I have my own implementation of AbstractAccountAuthenticator
but there is no method to hook in the remove account process. Any hints?
I've been pondering on the same problem and here's the "solution" I decided upon. It's not what I'd call the "correct" solution but it's the best I believe you can manage with the current API.
In my implementation of the AbstractAccountAuthenticator
class, I've overriden the getAccountRemovalAllowed
function as follows:
@Override
public Bundle getAccountRemovalAllowed(
AccountAuthenticatorResponse response, Account account)
throws NetworkErrorException {
Bundle result = super.getAccountRemovalAllowed(response, account);
if (result != null && result.containsKey(AccountManager.KEY_BOOLEAN_RESULT)
&& !result.containsKey(AccountManager.KEY_INTENT)) {
final boolean removalAllowed = result.getBoolean(AccountManager.KEY_BOOLEAN_RESULT);
if (removalAllowed) {
// Do my removal stuff here
}
}
return result;
}
There is a tiny chance that removal could fail AFTER you return from getAccountRemovalAllowed
but it's negligible (IMHO).
As MisterSquonk suggested there is an Intent that you could listen for (ACCOUNTS_CHANGED_INTENT
) but, unfortunately, it's broadcast when an account changes, and not just when an account is deleted.
I don't understand why this isn't part of the SDK but maybe we've both missed something obvious! For now, I'm sticking with this approach as I need to delete some database tables of my own on account deletion.
I hope this helps.
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