Api.dart

import 'package:http/http.dart' as http;

class Api{
  static final String BASE_URL = "http://yourserver.com";
  static final String API_KEY = "YOUR_KEY";
  static String fcmTOKEN = "YOUR_TOKEN";

  Future<http.Response> getRequest(String endPoint){
    return http.get(BASE_URL+"/"+endPoint, headers: {
      "apikey": API_KEY
    });
  }

  Future<http.Response> postRequest(String endPoint,Map<String,String> data){
    return http.post(BASE_URL+"/"+endPoint, headers: {
      "apikey": API_KEY,
      "Content-Type" : "application/x-www-form-urlencoded"
    },body: data);
  }

  Future<http.Response> putRequest(String endPoint,Map<String,String> data){
    return http.put(BASE_URL+"/"+endPoint, headers: {
      "apikey": API_KEY,
      "Content-Type" : "application/x-www-form-urlencoded"
    },body: data);
  }

  Future<http.StreamedResponse> deleteRequest(String endPoint,Map<String,String> data){
    var rq = http.Request('DELETE', Uri.parse(BASE_URL+"/"+endPoint))
      ..headers.addAll({
        "apikey": API_KEY,
        "Content-Type" : "application/x-www-form-urlencoded"
      });
    rq.bodyFields = data;


    return http.Client().send(rq);
  }
}