Android 无法解析导入 com.google.android.gms.plus.PlusClient

Android The import com.google.android.gms.plus.PlusClient cannot be resolved

我更新并导入了 google-play-services_lib 项目并将此库添加到我的项目中,但仍然显示相同的错误导入 com.google.android.gms.plus.PlusClient 无法在

上解析
import com.google.android.gms.plus.PlusClient; 

PlusClient 无法解析为

上的类型
private PlusClient mPlusClient;

PlusClient 在更新的播放服务中不可用。

来自 this link

  private GoogleApiClient buildGoogleApiClient() {
    // When we build the GoogleApiClient we specify where connected and
    // connection failed callbacks should be returned, which Google APIs our
    // app uses and which OAuth 2.0 scopes our app requests.
    return new     GoogleApiClient.Builder(SigninActivity.this).addConnectionCallbacks(this)
            .addOnConnectionFailedListener(this).addApi(Plus.API,   Plus.PlusOptions.builder().build())
            .addScope(Plus.SCOPE_PLUS_LOGIN).build();
}