Question

我正在使用Alamofire库进行网络通话每当我尝试在请求中实现与UI相关的任何内容时，它都会崩溃例如，当我想显示对话框时，它会崩溃

Alamofire.request(url, method: .post, parameters: parameters).responseString { response in
        switch response.result {
        case .success:
            print("Validation Successful")
        case .failure(let error):
            print(error)
        }
        print("Success: \(response.result.isSuccess)")
        print("Response String: \(String(describing: response.result.value) )")
        if let data = response.data, let utf8Text = String(data: data, encoding: .utf8) {
            print("Data: \(utf8Text)")
        }
        self.showCallBackDialog()
    }

如果我删除showCallBackDialog它工作正常，我保证showCallBackDialog工作正常，当我在Alamofire请求之外使用它时它可以工作

错误消息：

2017-10-12 00:15:55.889747+0530 MagicHands[43034:8535265] *** Assertion failure in -[UIApplication _cachedSystemAnimationFenceCreatingIfNecessary:], /BuildRoot/Library/Caches/com.apple.xbs/Sources/UIKit_Sim/UIKit-3694.4.18/UIApplication.m:1706
2017-10-12 00:15:55.905170+0530 MagicHands[43034:8535265] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'accessing _cachedSystemAnimationFence requires the main thread'
*** First throw call stack:

尝试实现UI相关功能时，Alamofire请求崩溃

0 个答案: