The final feature that needs to be added to the login screen of the
ArtApp application is figuring out where a user is currently located. Devices such as the iPhone contain a GPS chip that can determine a user's location in an extremely accurate fashion. Incorporating this into your apps can greatly improve the user experience. However, implementing location services poorly can and will frustrate your users and could even drain their battery.
Before we add location services to
ArtApp, we should explore the
CoreLocation framework to see what features it has and how we can efficiently implement it into
ArtApp and other applications. Some of the features and examples you will be familiarized with are as follows: ...