In order to simplify understanding of the implementation and integration of QuickBlox SDKs into your applications/projects, we provide ready-to-use chat and video calling samples.
The full list of our official code samples you can find here: Code Samples | QuickBlox
You can easily run QuickBlox sample application into your IDE by following the actions in the Quick Start section for the corresponding QuickBlox SDK: Quick Start | iOS SDK | QuickBlox
Please note that you need to have a QuickBlox account and created application within it where you can find the credentials which are necessary to run the sample.
Here you can create a new QuickBlox account.