Filip Němeček — iOS developer building apps and tools, with additional work in Python and Django. Shares practical articles, projects, and indie app work.
159 articles from this blog
A developer shares practical strategies and lessons learned from porting a complex iPhone app to iPad, focusing on UI adaptation and time-saving techniques.
A guide to implementing multi-user support in tvOS 14 apps, covering automatic user switching, data handling, and CloudKit notifications.
Explores refactoring UIAlertController in iOS using helper classes and protocols to reduce code duplication and improve maintainability.
A developer shares strategies for tackling complex programming projects, using a personal app example to illustrate breaking down problems and starting with core functionality.
A technical guide on creating a new calendar programmatically using Apple's EventKit framework in Swift, focusing on handling EKSource.
A tutorial on integrating Diffable Data Sources with Core Data in iOS apps to simplify UITableView and UICollectionView updates.
Guide to splitting a Core Data model across multiple .xcdatamodel files and merging them into a single database using NSPersistentContainer.
A developer shares their approach to setting up a Core Data stack outside of AppDelegate, including code for a singleton Database class.
A tutorial on integrating Apple's EKEventEditViewController for calendar event creation and editing within a SwiftUI application.
A tutorial on integrating the UIKit EKCalendarChooser into a SwiftUI app using UIViewControllerRepresentable.
A tutorial on implementing Optical Character Recognition (OCR) in iOS apps using Apple's native Vision framework, without third-party libraries.
A technical guide on using EventKit and EKReminder to programmatically create iOS reminders with alarms and recurrences.
A technical overview of the new UIColorWell control in iOS 14, covering its basic usage and integration without Interface Builder.
Overview of new WKWebView features in iOS 14, including JavaScript sandboxing, async JS calls, text find, PDF creation, and zoom.
A technical guide on implementing CloudKit query subscriptions for silent push notifications in iOS/tvOS apps.
A tutorial on using iOS 14's PHPickerViewController to let users select photos and videos from their library without requiring permissions.
A brief guide on using the new UIColorPickerViewController introduced in iOS 14 for color selection in apps.
A tutorial on using iOS EventKit framework to programmatically save events to a user's calendar from within an app.
A tutorial on using Apple's VisionKit framework to implement document scanning in iOS apps with under 10 lines of core code.
A technical tutorial on how to request permissions and load calendar events from the iOS EventKit framework using Swift.
