iOS App stuck on startup screen

Symptom

If your iOS App for iPhone or iPad is stuck on the the startup screen, then the most likely issue is, either:

How to fix

If the iOS device is not connected to WiFi, or your iOS device is not connected to the same WiFi network your music server is connected to, then select and connect to the WiFi network your music server is on.

If your WiFi connection is not the problem, then:

Figure 1: Apple Settings App (enclosed in orange circle)

Figure 2: Configuring the CasaTunes Music Server Settings