web-service-handler

One of the easiest way to make api call from mobile application that support both android and ios. This package make is a wrapper around fetch() api provided by the javascript and also uses NetInfo package provided by react native for making extremely easy to make http request from mobile application.

Below are the list of features with this package.

1. checks internet availability before makeing actual http request.
2. Supports GET and POST http request for now.
3. can pass url to make request
4. can pass headers information for http request in json formatted object
5. can pass parameters to http request in json formatted.
6. implemented easy to use promise success and failed
7. all response with status OK will serve as success
8. all response with other code are considered as failed with easy to read json message.

Installation

npm install --save react-native-web-service-handler

Setup iOS

make sure that you have added you have configure App Transport Security Settings in your plist file. This is required because most of the web service still uses http , by default latest version of ios block such request.

Snypnosis

WebServiceHandler.get(URL,headerParameter,requestParameter)
         .then((val)=>{
           ........
         })
         .catch((error) => ......);

HTTP Get Request

import WebServiceHandler from 'react-native-web-service-handler';

WebServiceHandler.get('https://itunes.apple.com/search',null,{'media':'movie', 'term':'mission'})
         .then((val)=>{
           console.log('callapi: ' + JSON.stringify(val))
         })
         .catch((error) => console.log('callapi:'+ JSON.stringify(error)));

HTTP Post Request

import WebServiceHandler from 'react-native-web-service-handler';

WebServiceHandler.post('https://itunes.apple.com/search',null,{'media':'movie', 'term':'mission'})
         .then((val)=>{
           console.log('callapi: ' + JSON.stringify(val))
         })
         .catch((error) => console.log('callapi:'+ JSON.stringify(error)));

Example

import React, { Component } from 'react';
 import {
   AppRegistry,
   StyleSheet,
   Text,
   View,
   NetInfo,
   TouchableHighlight
 } from 'react-native';

 import WebServiceHandler from 'react-native-web-service-handler';

 class Example extends Component {

   constructor(){
     super();
     this.state = {
       data: null,
     }
   }


   componentDidMount() {
     NetInfo.isConnected.addEventListener(
       'change',
       this._handleConnectivityChange
     );
   }
   componentWillUnmount() {
     NetInfo.isConnected.removeEventListener(
       'change',
       this._handleConnectivityChange
     );
   }
   _handleConnectivityChange(status) {
     console.log('*********_handleConnectivityChange: Network Connectivity status *******: ' + status);

   }

   callapi(){
     //https://itunes.apple.com/search
     //https://itunes.apple.com/search?media=movie&term=miss
     //http://private-9a68f1-photoosdotnet.apiary-mock.com/demo
      WebServiceHandler.get('https://itunes.apple.com/search',null,{'media':'movie', 'term':'mission'})
         .then((val)=>{
           console.log('callapi: ' + JSON.stringify(val))
           this.setState({data:val})
         })
         .catch((error) => console.log('callapi:'+ JSON.stringify(error)));
   }

   render() {

     return (
       <View style={styles.container}>
       <Text>{this.state.data ? this.state.data.resultCount : 'No data to display' } entries found</Text>
       <TouchableHighlight onPress={()=>this.callapi()}>
       <Text> Make HTTP Get Request </Text>
       </TouchableHighlight>
       </View>
     );
   }
 }