安卓：java.lang.IllegalStateException：GoogleApiClient必须连接

问题描述：

我在我的Android应用程序整合谷歌加当我试图登录到谷歌加我的应用程序只是坠毁。它说 -

I am integrating Google Plus in my android app when I was trying to sign in to Google Plus my app just crashed. It says -

java.lang.IllegalStateException: GoogleApiClient must be connected

下面是行号这对堆栈跟踪点，

Below is the line number which stacktrace points towards,

if (Plus.AccountApi.getAccountName(mGoogleApiClient) != null)

@Override
    public void onConnected(Bundle connectionHint) {
        String personName = "Unknown";
        if (Plus.AccountApi.getAccountName(mGoogleApiClient) != null) {
            personName = Plus.AccountApi.getAccountName(mGoogleApiClient); 
        }
}

我已经做了集成的所有步骤，谷歌加入到我的项目发挥服务和注册我的谷歌API的网站应用程序。

I have done all steps for integration, added Google play services to my project and registered my app on Google API's site.

答

的复制：Android:谷歌玩游戏服务连接错误（java.lang.IllegalStateException：GoogleApiClient必须连接）

不管怎么说，修改code为：

Anyways, modify your code to:

@Override
    public void onConnected(Bundle connectionHint) {
        String personName = "Unknown";
        if (isSignedIn()) {
          if (Plus.AccountApi.getAccountName(mGoogleApiClient) != null) {
            personName = Plus.AccountApi.getAccountName(mGoogleApiClient); 
          }
        }
}

安卓：java.lang.IllegalStateException：GoogleApiClient必须连接

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