ios - keywords - Cómo configurar el tipo de contenido en AFnetworking

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Question

Estoy teniendo problemas con AFNetworking. No puedo configurar content-type a application/json . ¿Como lo puedo hacer? Intento muchas soluciones, pero nadie ha funcionado. aquí tienes mi código:

AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
if (self.enableBasicAuth){
[manager setRequestSerializer:[AFHTTPRequestSerializer serializer]];
[manager.requestSerializer setAuthorizationHeaderFieldWithUsername:[[SOWMerchant merchant] username] password:[[SOWMerchant merchant] password]];
}
[manager.requestSerializer setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
manager.responseSerializer = [AFJSONResponseSerializer serializer];
[manager POST:[NSString stringWithFormat:@"%@", url] parameters:postData success:^(AFHTTPRequestOperation *operation, id responseObject) {
[self onSuccessResponse:responseObject request:operation];
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
[self onError:error request:operation];
}];

Recibo esta respuesta

{ URL: https://sbengtest.spotonway.com:9099/v1.0/merchant/check }, response: <NSHTTPURLResponse: 0x10aa20530> { URL: https://sbengtest.spotonway.com:9099/v1.0/merchant/check } { status code: 400, headers {
Connection = "keep-alive";
"Content-Length" = 192;
"Content-Type" = "text/html";
Date = "Sun, 20 Jul 2014 22:34:59 GMT";
Server = "nginx/1.2.1";
} }>

ACTUALIZAR:

trato de agregar esto

AFJSONRequestSerializer *requestSerializer = [AFJSONRequestSerializer serializer];
[requestSerializer setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
[requestSerializer setValue:@"application/json" forHTTPHeaderField:@"Accept"];
operationManagerInstance.requestSerializer = requestSerializer;

mi aplicación se bloquea

ACTUALIZACIÓN 2: funciona. quité esta línea

[requestSerializer setValue:@"application/json" forHTTPHeaderField:@"Accept"];

Answer 1

Este código funciona

C objetivo

manager.responseSerializer.acceptableContentTypes=[NSSet setWithObject:@"text/html"];

rápido

manager.responseSerializer.acceptableContentTypes=NSSet (object: "text/html") as Set<NSObject>

Answer 2

Esto funcionó para mí!

[requestSerializer setValue:@"application/json" forHTTPHeaderField:@"Accept"];