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Azure App Services for Unity

For Unity developers looking to use Azure App Services (previously Mobile Services) in their Unity game / app.

What's new

Please be aware this latest update of the library brings a number of changes to the namespace, some class names and method calls have been updated as Mobile Services is replaced by App Services. There is also a dependency on a shared RESTClient for Unity so that multiple Unity libraries for Azure can be supported without adding duplicate scripts.

External dependencies

First download the shared REST Client library for Unity and extract the contents into your Unity project "Assets" folder.

RESTClient

Requirements

Requires Unity v5.3 or greater as UnityWebRequest and JsonUtility features are used. Unity will be extending platform support for UnityWebRequest so keep Unity up to date if you need to support these additional platforms.

How to setup App Services with a new Unity project

Download AppServices and REST Client for Unity.
- Copy 'AppServices' and 'RESTClient' into project Assets folder.
Create an Azure App Service Mobile App
- Create a Table (using Easy Tables) for app data.

Azure App Services Demos for Unity 5

Try the Azure App Services Demos project for Unity v5.4.x on Mac / Windows. (The demo project has got everything already bundled in and does not require any additional assets to work. Just wire it up with your Azure App Service and run it right inside the Unity Editor.) For detailed instructions read my developer blog on how to setup Azure App Services and Unity demo project.

Supported Features

AppServiceClient API

API	Description
LoginWithFacebook	Client-directed login using user access token.
LoginWithTwitter	Client-directed login using access token and access token secret.
LoginWithGoogle	Client-directed login using access token and id token.
LoginWithMicrosoftAccount	Client-directed login using access token.
LoginWithAAD	Client-directed login using access token.
Logout	Logout current user
InvokeApi	Invoke custom API (Easy API) using GET, POST, PUT, PATCH or DELETE

AppServiceTable API

API	Description
Insert	Create a new item.
Read	Get a list of items.
Update	Update an item’s data using id property.
Delete	Delete an item using id property.
Query	Get a list of results using a custom query.
Lookup	Get an item’s data using id property.

AppServiceClient Interface

LoginWithFacebook(string accessToken, Action<IRestResponse<AuthenticatedUser>> callback = null);
LoginWithTwitter(string accessToken, string accessTokenSecret,	Action<IRestResponse<AuthenticatedUser>> callback = null);
LoginWithGoogle(string accessToken, string idToken,Action<IRestResponse<AuthenticatedUser>> callback = null);
LoginWithMicrosoftAccount(string accessToken,Action<IRestResponse<AuthenticatedUser>> callback = null);
LoginWithAAD(string accessToken, Action<IRestResponse<AuthenticatedUser>> callback = null);
Logout(Action<IRestResponse<string>> callback = null);

AppServiceClient (Easy APIs) Interface

InvokeApi<T> (string apiName, Action<IRestResponse<T>> callback = null) where T : new();
InvokeApi<T> (string apiName, Method httpMethod, Action<IRestResponse<T>> callback = null) where T : new();
InvokeApi<B,T> (string apiName, Method httpMethod, B body, Action<IRestResponse<T>> callback = null) where T : new();

AppServiceTable (Easy Tables) Interface

Insert<T>(T item, Action<IRestResponse<T>> callback = null) where T : new();
Read<T>(Action<IRestResponse<T[]>> callback = null) where T : new();
Update<T>(T item, Action<IRestResponse<T>> callback = null) where T : new();
Delete<T>(string id, Action<IRestResponse<T>> callback = null) where T : new();
Query<T>(TableQuery query, Action<IRestResponse<T[]>> callback = null) where T : new();
Query<T>(TableQuery query, Action<IRestResponse<T>> callback = null) where T : INestedResults, new();
Lookup<T>(string id, Action<IRestResponse<T>> callback = null) where T : new();

Sample usage

Data model for TodoItem.cs

using Azure.AppServices;
[System.Serializable]
public class TodoItem : DataModel {
  public string text;
  public bool complete;
}

Unity script

using System.Collections
using System.Collections.Generic;
using UnityEngine;
using System;
using RESTClient;
using Azure.AppServices;

private AppServiceClient _client;
private AppServiceTable<TodoItem> _table;

void Start () {
  _client = AppServiceClient.Create("unityapp"); // <- add your App Service account here!
  _table = _client.GetTable<TodoItem>("TodoItem");
  ReadItems();
}

private void ReadItems() {
  StartCoroutine( _table.Read<TodoItem>(OnReadItemsCompleted) );
}

private void OnReadItemsCompleted(IRestResponse<TodoItem[]> response) {
  if (!response.IsError) {
    Debug.Log ("OnReadCompleted: " + response.Url + " data: " + response.Content);
    TodoItem[] items = response.Data;
    Debug.Log ( "Todo items count: " +     items.Length);
  } else {
    Debug.LogWarning ("Read Error Status:" + response.StatusCode + " Url: " + response.Url);
  }
}

Known issues

There is an issue with PATCH on Android using UnityWebRequest with Azure App Services. Android won't recognize the "PATCH" http method currently required to update an item in App Services. One workaround is to enable the X-HTTP-Method-Override header. Here's the quick fix for App Services running node backend:
1. Install the "method-override" package.
```
npm install method-override --save
```
2. In 'app.js' file insert:
```
var methodOverride = require('method-override');
// after the line "var app = express();" add
app.use(methodOverride('X-HTTP-Method-Override'));
```

This will enable PATCH requests to be sent on Android.

Supported platforms

Intended to work on all the platforms UnityWebRequest supports including:

Unity Editor (Mac/PC) and Standalone players
iOS
Android
Windows

Questions or tweet @deadlyfingers