Go to graph view (top-right corner), find Event Construct, and implement it as shown: Go to IntroductionWidget_BP, and create the widget interface as shown:Īdd initial variables to EncriptionTypeComboBox: Implement functions as shown: Implement Introduction Widget Add two variables called IntroductionWidget_BP and VideoCallWidget_BP and change the types of these variables to Introduction Widget BP and Video Call Widget BP, respectively: Name them SetIntroductionView and SetVideoCallView. Go back to GameMode_BP and add two functions by clicking + in front of the Functions section. Name them IntroductionWidget_BP and VideoCallWidget_BP: Implement Game Mode Right click the directory content and select User Interface > Widget Blueprint to add two widgets in this directory: Go to the Content project and create the Widgets_BP directory. Go to the Blueprints directory and create a GameMode as you did with Game Instance: Game Mode will be used to switch between widgets. Initialize Agora with your own AppID, which is found in the Agora dev console. Name the new variable Agora, and make it public by clicking the eye symbol in front of the variable name:ĭrag and drop the variable output node and in the Agora section find the Initialize method: Right-click the blueprint workspace, type “Event Init,” and select Event Init:ĭrag and drop the Event Init output pin, type “Construct,” and select Construct Object from the Class function:įrom the Class drop-down menu, select Agora, drag and drop the Outer input pin, and select Get reference to self:ĭrag and drop the Construct Agora output Return Value pin and select Promote to variable option. Go to the AgoraGameInstance_BP blueprint (double-click). The GameInstance is initialized before other classes so you create Agora here. Name the new GameInstance AgoraGameInstance_BP: In the All Classes section, type “Game Instance” and select the Game Instance class: Right-click the content and select Blueprint Class: Go to the Content project and create the new Blueprints directory. Find the Project > Other category and make sure that AgoraPlugin is enabled. Restart Unreal Engine (if it is running).PrivateDependencyModuleNames.AddRange(new string ). Add plugin dependency into the: /Source//.Build.cs file, Private Dependencies section.Your project should look like /Plugins/AgoraPlugin. Download the plugin here if you haven’t already.

Unreal Engine causes a compile error if the line is left commented out.

Uncomment the PrivateDependencyModuleNames line in the /Source//.Build.cs file.

On the New Project panel, choose C++ as the project type, enter the project name, choose the project location, and click Create Project.

Open the Unreal Engine Editor and click New project.

In this demo, I’ll walk you through each step needed to create a video calling app using Unreal Engine with the Agora SDK plugin!įor this example, I’ll use Unreal Engine 4.25 and the current Agora SDK.

Unreal engine 4 blueprints download