我正在使用iOS应用程序,并且正在使用AFnetworking与服务器API进行交互。 我的问题是我想发送电话,并不想限制用户直到从服务器获取响应,所以问题是崩溃。当用户移回特定屏幕时,可以说我有列表屏幕,我正在获取数据,这需要6-7秒,同时用户移回到上一个屏幕,并且数据来自API并将该删除回调到列出屏幕,但用户移动到该屏幕然后应用程序崩溃 下面是获取数据调用的代码。如何停止在目标c中运行队列中发送的呼叫
+ (void) getRequestForDocumentListing:(NSDictionary *)headerParams urlQuery: (NSString*)action parameters:(NSDictionary*)params
onComplete:(void (^)(id json, id code))successBlock
onError:(void (^)(id error, id code))errorBlock
{
NSString *authorizationValue = [self setAuthorizationValue:action];
NSString *selectedLanguage = [ApplicationBaseViewController getDataFromDefaults:@"GLOBALLOCALE"];
NSString *language = selectedLanguage;
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
//set headers values
[manager.requestSerializer setValue:@"application/json" forHTTPHeaderField:@"Accept"];
[manager.requestSerializer setValue:language forHTTPHeaderField:@"Accept-Language"];
[manager.requestSerializer setValue:authorizationValue forHTTPHeaderField:@"authorization"];
[manager.requestSerializer setValue:@"x-folder" forHTTPHeaderField:@"inbox"];
[manager GET:action parameters:nil success:^(AFHTTPRequestOperation *operation, id responseObject) {
NSLog(@"document listing success");
NSInteger statusCode = [operation.response statusCode];
NSNumber *statusObject = [NSNumber numberWithInteger:statusCode];
successBlock(responseObject, statusObject);
}
failure:^(AFHTTPRequestOperation *operation, NSError *error)
{
NSInteger statusCode = [operation.response statusCode];
NSNumber *statusObject = [NSNumber numberWithInteger:statusCode];
id responseObject = operation.responseData;
id json = nil;
id errorMessage = nil;
if (responseObject) {
json = [NSJSONSerialization JSONObjectWithData:responseObject options:kNilOptions error:&error];
errorMessage = [(NSDictionary*)json objectForKey:@"Message"];
}else{
json = [error.userInfo objectForKey:NSLocalizedDescriptionKey];
errorMessage = json;
}
errorBlock(errorMessage, statusObject);
}];
}
我需要的是在ViewdidDisappear查看委托停止呼叫
- (AFHTTPRequestOperation *)GET:(NSString *)URLString
parameters:(id)parameters
success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
{
AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithHTTPMethod:@"GET" URLString:URLString parameters:parameters success:success failure:failure];
[self.operationQueue addOperation:operation];
return operation;
}
所以需要建议如何解决这一具体问题。需要帮助。 谢谢
什么是崩溃? – Paulw11
将所有操作添加到数组中,并在ViewdidDisappear中的循环彻底数组后停止。 –
@MOHAMMADISHAQ你认为这是最好的办法,也可能是其他操作需要而且重要。 – Aleem