Category: iOS

Notifications provide a mechanism for an app to schedule an alert to notify the user about an event. These notifications take the form of a notification panel containing a message accompanied by a sound and the device’s vibration. Notifications are categorized as either local or remote. Notifications initiated by apps running on a device are…

This chapter aims to work through creating an iOS app that uses the UIDocumentBrowserViewController class to integrate document browsing support. The app will demonstrate using the Document Based App template to create an app that can navigate all available file providers and create, open, and edit text-based documents. Creating the DocumentBrowser Project Launch Xcode and…

In this, the last chapter dedicated to the Sprite Kit framework, the use of the Particle Emitter class and editor to add special effects to Sprite Kit-based games will be covered. Having provided an overview of the various elements that make up particle emitter special effects, the SpriteKitDemo app will be extended using particle emitter…

The previous chapters have introduced ways to integrate file handling into an iOS app in terms of local and cloud-based storage. In these chapters, the assumption has been made that all of the user interface aspects of the file handling and file system navigation will be provided in some way by the app itself. An…

Quick actions (also called application shortcuts) appear when a long press is performed on the home screen icon of an app installed on an iOS device. The actions appear in a menu format and, when selected, call delegate methods within the corresponding app allowing the app to perform tasks before being presented to the user.…

The previous chapter designed an app that used iCloud Storage to store a text file remotely. While the presence of the stored file could be confirmed by accessing the iCloud Storage section of the iOS Settings app, the file and its content were only accessible to the iCloudStore example app. This chapter will create a…

In this chapter, the game created in the previous chapter, entitled An iOS 17 Sprite Kit Level Editor Game Tutorial, will be extended to implement collision detection. The objective is to detect when an arrow node collides with a ball node and increase a score count in the event of such a collision. In the…

The two preceding chapters of this book were intended to convey the knowledge necessary to begin implementing iCloud-based document storage in iOS apps. Having outlined the steps necessary to enable iCloud access in the chapter entitled Preparing an iOS 17 App to use iCloud Storage and provided an overview of the UIDocument class in Managing…

Now that we have created an image classification machine learning model in the previous chapter, this chapter will take that model and use it in conjunction with the iOS Core ML and Vision frameworks to build image classification features into an iOS app. Preparing the Project The project used as the basis for this tutorial…

Using iCloud to store files requires a basic understanding of the UIDocument class. Introduced as part of the iOS 5 SDK, the UIDocument class is the recommended mechanism for working with iCloud-based file and document storage. The objective of this chapter is to provide a brief overview of the UIDocument class before working through a…