Filip Němeček Blog

Careful when getting inspiration from popular apps <p>This blog post was originally intended to be focused only on Press Kits, but I realized that it applies to other stuff as well.

Minimal Press Kit your app should have <p>Preparing Press Kit for your mobile app is not exactly a straightforward task.

Make rounding specific corners easier with extension <p>I was tired spending time to distinguish between <code>.layerMinXMaxYCorner</code> and <code>.layerMinXMinYCorner</code> when trying to round only specific corners with the <code>maskedCorners</code>

What is a Press Release?

5 tips for better App Store screenshots <h2>Show the most important parts of the app</h2> <p>Before you even create screenshots, think about which screens of the app are the <strong>most used and prominent.

4 reasons why ZIP file Press Kit isn't an ideal solution <p>Anecdotally from what I have seen, it seems that offering Press Kits as a downloadable .zip file is pretty popular among iOS developers.

Where to promote your app for free?

How to disable automatic transparent tabBar in iOS 15 <p>In similar fashion to how <code>UINavigationBar</code> is <a href="https://nemecek.be/blog/126/how-to-disable-automatic-transparent-navbar-in-ios-15">by default transparent on iOS 15</a> when there…

How to disable automatic transparent navbar in iOS 15 <p>Apple updated how navigation bars look in iOS 15 (once your app is build with Xcode 13) and now they are by default transparent if there isn't any content behind them.

Loading HTML text into UITextView <p>Recently I needed to display translated text that contained HTML links (the <code>&lt;a&gt;</code> tags) in UIKit.

iOS Chat with Jordi Bruin ]]

How to check if Mobile (Cellular) Data is enabled for your app <p>Recently I needed to check in app I am working on whether "Mobile Data" is enabled.

iOS Chat with Donny Wals ]]

Implementing drag & drop for Collection View <p>While working on SwitchBuddy for iPad I got the idea for drag &amp; drop which would allow users to open the app with Files for example side by side and then drag images from my app to the Files app.

iOS Chat with Heidi Helen Pilypas ]]

Implementing alternate icons in iOS <p>So far I have implemented alternate icons in a few apps and since I have met quite a few pitfalls along the way, decided to write up this guide.

iOS Chat with Elle Sullivan ]]

WKWebView improvements in iOS 15 <p>With iOS 15 there are another bunch of great improvements to the <code>WKWebView</code>.

SFSafariViewController improvements in iOS 15 <p>Let's look at two new additions to <code>SFSafariViewController</code>.

Core Location UI: New way to get one-time location <p>iOS 15 brings new framework called Core Location UI.

Meet the new bottom sheet in iOS 15 <p><strong>Updated for Xcode 13 release build</strong></p> <p>If you have been doing UIKit long enough, you probably had to implement the so called "bottom sheet" at least once.

Big improvements to UIButton in iOS 15 <p>I think this is one quite a welcome surprise.

New approach to formatters in iOS 15 <p>iOS comes with many useful formatters that help us present data in localized format without having to do it ourselves.

iOS Chat with Danijela Vrzan ]]

Checking if device is locked (or sleeping) in iOS <p>So recently for one fairly specific use case in client project, I had to check if screen is off.

iOS Chat with Neil Sardesai ]]

Solving difficult problem by solving way easier one <p><em>I decided to experiment a bit with new article format called AppStories where I want to write about my experiences creating apps and hopefully offer at least some advice.

Connecting to Wi-Fi programmatically in iOS with Swift <p>While working on <a href="https://apps.apple.com/app/switchbuddy/id1563251210">SwitchBuddy</a> I found that you can actually programatically initiate connection to specific Wi-Fi network.

iOS Chat with Marius Constantinescu ]]

iOS Chat with Oleh Stasula ]]

How to save image into Photos <p>I recently needed to save an image into the Photos library.

Creating basic configurable Siri Shortcut <p>I have recently implemented my first Siri Shortcuts and wanted to share my experience mostly because I found the existing tutorials too complicated.

How to decode dates with Codable <p>Similarly how JSONDecoder allows us to <a href="https://nemecek.be/blog/90/how-to-decode-snake-case-with-codable">convert from snake case</a>, we can handle dates via configuration of a single attribute.

Backend for Swift developers workshop [info] <p>So this is very different article from what I normally post, but I am legitimately excited by what Carlton Gibson is planning for Swift developers.

iOS Chat with Carlton Gibson ]]

iOS Chat with Felizia Bernutz ]]

iOS Chat with Josh Holtz ]]

How to save enum to Core Data <p>Core Data is great solution for persisting you application data.

iOS Chat with Oleg Dreyman ]]

JavaScript basics for iOS developers <p>So in case you are scratching your head, think why would you possibly need JavaScript for developing iOS apps with Swift, here is an explanation.

iOS Chat with Marina Gornostaeva ]]

iOS Chat with Jeroen Leenarts ]]

iOS Chat with Mikaela Caron ]]

iOS Chat with Dave Jacobsen ]]

How to decode snake case with Codable <p>In this shorter post, let's go over decoding API response whose keys follow the snake case convention 🐍.

iOS Chat with Marc Aupont ]]

Randomness in Swift: Comprehensive overview <p>The days of <code>arc4random_uniform</code> are thankfully long gone.

UIMenu: Comprehensive guide <p>UIMenu is super versatile component, which looks modern, has cool animations and a lot of customization options.

iOS Chat with Stewart Lynch ]]

iOS Chat with Emin Grbo ]]