ContentManager.java 文件源码

public synchronized void queryGmailLabels() {
    // Get the account list, and pick the user specified address
    AccountManager.get(mContext).getAccountsByTypeAndFeatures(ACCOUNT_TYPE_GOOGLE, FEATURES_MAIL,
            new AccountManagerCallback<Account[]>() {
        @Override
        public void run(AccountManagerFuture<Account[]> future) {
            Account[] accounts = null;
            try {
                accounts = future.getResult();
            } catch (OperationCanceledException oce) {
                Logs.e(TAG, "Got OperationCanceledException: "+oce.toString());
            } catch (IOException ioe) {
                Logs.e(TAG, "Got OperationCanceledException: "+ioe.toString());
            } catch (AuthenticatorException ae) {
                Logs.e(TAG, "Got OperationCanceledException: "+ae.toString());
            }
            mGmailUnreadCount = onAccountResults(accounts);
            addGmailToContentList(mGmailUnreadCount);
            Logs.d(TAG, "# Gmail unread count = "+ mGmailUnreadCount);
        }
    }, null /* handler */);
}