Blog posts by:

Michał Majchrzycki

Mobile Developer

Swift tutorial: Creating a radio button with pure code

Curious how to create a radio button in a mobile application built with Swift, but without using Storyboards? Read this short tutorial.

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Mobile development: Dismissing the Flutter module in Android apps

Wondering how to quickly dismiss the Flutter module in you Android mobile app? This short tutorial is for you!

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iOS app development: Calling and dismissing FlutterViewController in native applications

Wondering how to manage the Flutter framework from a native iOS app, and, more specifically, how to call and dismiss FlutterViewController? Let’s see how it works!

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Mobile development: Adding a global button in an iOS app with AppDelegate and SceneDelegate

In this tutorial I’d like to show you how to present UIButton over all visible views in your mobile app. This solution is designed for iOS 13 and newer versions, so it can be implemented in AppDelegate or SceneDelegate.

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Transparent UISearchBar in iOS 13 or newer

Need a couple of tips on UISearchBar in iOS 13+ mobile apps? Here they are!

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Tutorial: UITextField with secure text, but with no KeyChain access

In this short tutorial, I’d like to show you how to implement secured elements to UITextField, though a bit differently than usual. I mean, without accessing KeyChain and shared passwords in iOS (or even macOS).

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3 ways to convert images to grayscale in Swift

Apple provides a few ways of image grayscale conversion or applying grayscale on UIViews, but their results may vary. First, you should decide what you want to use it for and how it should work.

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Should you ditch Storyboards for SwiftUI? That's what I did

Is leaving Storyboards for SwiftUI right? In this article, I am explaining it is. Although the framework is still immature, iOS developers should already think of making a switch. Here's why.

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Handling Firebase Dynamic Links in iOS 13 with Scene Delegate

In general, Firebase by Google handles deep and Dynamic Links very well for iOS. But iOS 13 comes with many changes (Scene Delegate!) that aren’t yet fully explained. This is why I made this tutorial. What’s the fuss about deep links in iOS 13? Let's check it out!

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SwiftUI cons: Why I don't use it in production

After several months of trying SwiftUI in my apps, I decided to list some concerns which keep me away from using it in production. Even if you're hyper-optimistic about it, it's still healthy to know its downsides and potential drawbacks it may cause in the work of a mobile developer.

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Mobile app development: Using delegates and blocks in VIPER

When to use delegates and protocols for data requesting, and when do blocks do the trick in VIPER-based mobile development? Let's examine both instances in this tutorial!

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Flutter vs SwiftUI: A simple comparison

After some experience with both SwiftUI and Flutter, let's examine both mobile development frameworks in terms of development speed, clarity and maturity!

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iOS 13 Segmented Control Design Problem: How To Solve It?

So iOS 13 is here. A lot has changed in Xcode (universal apps) and Swift (Swift UI). Some changes require more love from a developer's perspective, especially if you already have apps in AppStore. My problem with iOS 13 was displaying Segmented Control. Read on if you want to learn more about my case.

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Flutter's pros and cons from an iOS developer's perspective

Flutter is a relatively new platform for mobile developers. Similar to Microsoft Xamarin or React Native (or less known Scade) it allows to develop apps both for Android and iOS. But it is also a platform which Google wants to use in its future projects like Fuchsia. In this post I’d like to share with you an iOS developer's take on Flutter.

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The curious case of the 24-hour time format in Swift

Recently, I have found out how time formats on iOS devices can impact the ones inside a mobile app. Let's see how to make an application always display the 24-hour format regardless of your iPhone's or iPad's settings.

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