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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How Prograils became an ISO 27001 compliant software company

7.04.2020 | Cyprian Łakomy

Implementing ISMS and being certified for compliance with the ISO 27001 norm is a milestone in many organizations from the IT sector. What were our reasons behind it? What do we and our business partners gain from it?

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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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The Prograils guide to top tech conferences in 2020

30.01.2020 | Cyprian Łakomy

2020 is here and tech conferences are in plans of many companies, startup founders, software developers and technology enthusiasts. Based on the scope of web and mobile development services at Prograils, as well as our own experiences, we have chosen 15 hottest events, conferences, summits - you name it - happening this year.

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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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React Native vs Flutter: Mobile app development frameworks compared

9.12.2019 | Cyprian Łakomy

When building a mobile app, you can employ cross-platform development to reach users on both Android and iOS devices. Let's compare two popular frameworks for it: Facebook's React Native and Flutter, released by Google.

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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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Unwinding to a previous Controller in a Swift mobile app with VIPER

In this quick tutorial I’d like to show you how I manage unwinding views in mobile apps built with Swift by using VIPER design pattern. This simple trick can help you especially when you’re used to traditional MVC Storyboard’s segues.

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What is Project Catalyst and how to prepare your iPad app for it?

Project Catalyst, Apple’s new toolset transforming iPad apps into macOS ones is coming this fall. What should you know about it and the process itself? Read this article and learn!

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