Merge pull request #190 from maifeeulasad/stuck-fix

solution to make network call on main thread

Author: jdnichollsc

README.md

@@ -55,6 +55,7 @@ RestClient.GetArray<Post>(api + "/posts").Then(response => {
 - Handle HTTP exceptions in a better way
 - Retry HTTP requests easily
 - Open Source 🦄
+- Utility to work during scene transition
 
 ## Supported platforms 📱 🖥 
 The [UnityWebRequest](https://docs.unity3d.com/Manual/UnityWebRequest.html) system supports most Unity platforms:
@@ -112,6 +113,13 @@ RestClient.Head("https://jsonplaceholder.typicode.com/posts").Then(response => {
 });
 ```
 
+## Handling during scene transition
+```csharp
+ExecuteOnMainThread.RunOnMainThread.Enqueue(() => {
+  //Any API call using RestClient
+});
+```
+
 ### Generic Request Method
 And we have a generic method to create any type of request:
 ```csharp

src/Proyecto26.RestClient/Helpers/ExecuteOnMainThread.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.Concurrent;
+using UnityEngine;
+
+namespace Proyecto26.Helper {
+
+  /// <summary>
+  /// Original solution from: https://stackoverflow.com/a/53818416/10305444
+  /// Should also read: https://gamedev.stackexchange.com/a/195298/126092
+  /// Usage:
+  /// ```
+  ///   ExecuteOnMainThread.RunOnMainThread.Enqueue(() => {
+  ///     Code here will be called in the main thread...
+  ///   });
+  /// ```
+  /// </summary>
+  public class ExecuteOnMainThread: MonoBehaviour {
+
+    /// <summary>
+    /// Store all instance of Action's and try to invoke them
+    /// </summary>
+    public static readonly ConcurrentQueue < Action > RunOnMainThread = new ConcurrentQueue < Action > ();
+
+    /// <summary>
+    /// Unity's Update method
+    /// </summary>
+    void Update() {
+      if (!RunOnMainThread.IsEmpty) {
+        while (RunOnMainThread.TryDequeue(out var action)) {
+          action?.Invoke();
+        }
+      }
+    }
+  }
+}