java - Android AccountManager.getUserData() 返回 null

Question

我有类似的问题AccountManager getUserData returning null despite it being set但是这些解决方案对我不起作用

我的Authenticator.java

public class Authenticator extends AbstractAccountAuthenticator{

    private Context context;
    public Authenticator(Context context) {
        super(context);
        this.context = context;
    }

    @Override
    public Bundle editProperties(AccountAuthenticatorResponse response,
            String accountType) {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public Bundle addAccount(AccountAuthenticatorResponse response,
            String accountType, String authTokenType,
            String[] requiredFeatures, Bundle options)
            throws NetworkErrorException {
        Bundle result = new Bundle();
        Intent intent = new Intent(context,LoginActivity.class);
        intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE, accountType);
        intent.putExtra(AccountManager.KEY_ACCOUNT_AUTHENTICATOR_RESPONSE, response);
        result.putParcelable(AccountManager.KEY_INTENT, intent);
        return result;
    }

    @Override
    public Bundle confirmCredentials(AccountAuthenticatorResponse response,
            Account account, Bundle options) throws NetworkErrorException {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public Bundle getAuthToken(AccountAuthenticatorResponse response,
            Account account, String authTokenType, Bundle options)
            throws NetworkErrorException {

        return null;
    }

    @Override
    public String getAuthTokenLabel(String authTokenType) {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public Bundle updateCredentials(AccountAuthenticatorResponse response,
            Account account, String authTokenType, Bundle options)
            throws NetworkErrorException {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public Bundle hasFeatures(AccountAuthenticatorResponse response,
            Account account, String[] features) throws NetworkErrorException {

        return null;
    }

}

我添加了一个这样的帐户

mAccount = new Account("SalesGenie", "com.ambertag.salesgenie.ACCOUNT"); 
mAccountManager.addAccountExplicitly(mAccount, password, userData);

但是当我尝试通过调用 getUserData() 获取用户数据时，我得到的是 null

Answer 1

有一个更简单的解决方案:

不要使用 addAccountExplicitly(Account, String, Bundle) 添加用户数据.相反，只需传递一个空包并使用 setUserData(Account, String, String)在您使用 addAccountExplicitly 创建帐户后 添加用户数据。

它可能不太方便，但它会确保正确填充用户数据缓存并且不会返回 null。