Xamarin forms Rest Client [closed] - rest

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Anybody suggest me a good Rest client that i can use for my xamarin forms cross platform application ?
(Android and Windows Phone)
Thanks in advance.

Answer 1

That's a very open question.
Anyway my favorite:
Refit
Updated Removing the other two libraries that even though you can do REST with them they are not considered REST clients but HTTP clients.

Answer 2

You can you Microsoft HTTP Client Libraries.
Then, you define a RestService class that contains a HttpClient instance:
public class RestService : IRestService
{
HttpClient client;
public RestService()
{
client = new HttpClient();
client.MaxResponseContentBufferSize = 256000;
}
// example for GET request
public async Task<List<TodoItem>> RefreshDataAsync()
{
var uri = new Uri(string.Format(Constants.RestUrl, string.Empty));
var response = await client.GetAsync(uri); // make a GET request
if (response.IsSuccessStatusCode)
{
var content = await response.Content.ReadAsStringAsync();
// handle response here
}
}
}
You should follow this article:
https://developer.xamarin.com/guides/xamarin-forms/cloud-services/consuming/rest/

Answer 3

I do not know if there are simple implementation for this purpose but you have to write your own parsers, senders, receivers according to your needs. I would give you a little example :) First of all i have a base class for my generic restCall
public abstract class BaseDto
{
public string Id {get;set;}
}
than write your business objects like
public class UserDto : BaseDto
{
public string Name {get;set;}
//etc.
}
public class SavedUserDto : BaseDto
{
public int Id {get;set;}
public string Name {get;set;}
//etc.
}
than write a simple http caller
public string Post<T>(string url, T entity) where T : BaseDto
{
//here u will write a HttpClient and send receive json. U can find examples on the net. Of course use Newtonsoft for json convertions
}
Than write a generic method to call this post method, of course you will send a baseDto and receive a baseDto too :)
public K Call<T, K>(
string restApiPath,
T entity) where T : BaseDto where K : BaseDto
{
var response = Post(restApiPath, entity);
//you can handle errors, auth faults etc. here.
return JsonConvert.DeserializeObject<K>(response);
}
than in your code just do
var savedUser = Call<UserDto,SavedUserDto>("127.0.0.1/user/save",new UserDto{Name="John"})
Hope it can give you an idea. Than when you add a new service method on your rest api, you can call it just with a single line of code (of course you have to write new business DTO's - aka data transfer objects:))
Of course all this POST and CALL methods on different classes. Do not forget, a class must do only one thing. So POST method owner class (let's call it HttpCaller) will only send the Dto to the server and get the answer. CALL method owner class (lets call it MyService) will get the resut and process it etc.

Answer 4

You can use HttpClient. It is good. get from nuget System.Http.Net