VAccountManagerService.java 文件源码

public void checkAccount() {
    if (mCurrentAccount >= mAccountsOfType.length) {
        sendResult();
        return;
    }

    final IAccountAuthenticator accountAuthenticator = mAuthenticator;
    if (accountAuthenticator == null) {
        // It is possible that the authenticator has died, which is indicated by
        // mAuthenticator being set to null. If this happens then just abort.
        // There is no need to send back a result or error in this case since
        // that already happened when mAuthenticator was cleared.
        Log.v(TAG, "checkAccount: aborting session since we are no longer"
                + " connected to the authenticator, " + toDebugString());
        return;
    }
    try {
        accountAuthenticator.hasFeatures(this, mAccountsOfType[mCurrentAccount], mFeatures);
    } catch (RemoteException e) {
        onError(AccountManager.ERROR_CODE_REMOTE_EXCEPTION, "remote exception");
    }
}