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There can be many reasons to prevent screenshot-taking in an application, but keep in mind that it is bad protection for secure data or anything that user should not save, see or remember. A simple example of a work around is to take a photo of the device with another one. Anyway, is it even possible?
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Embrace the Dark Mode

Embrace the Dark Mode Most developers already installed Xcode 11 and worked through various issues that recent iOS SDK brings to our projects. If you haven’t done it yet and want to know what to expect or you are looking for a quick solution to your problem, we’ve got you covered with a few simple tips and advice.
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Many of Android Developers had bad experience using Fragments. There are many issues connected to them starting from the lifecycle and ending on animations. Fortunately, the Android team addressed some of these problems on the two latest releases of the Fragments library. Newest version is still the Release Candidate but in this article, I want to show what functionalities it will bring and what will be the future of Fragments.
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Mobilization IX Summary

At the end of October, with part of the Mobile team, we took part in Mobilization IX - a conference dedicated to mobile technologies. Its main scope is the development of mobile solutions aimed at smartphones and tablets, with a particular interest in Android and iOS. 
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Introduction So you know how to code in general, understand the object-oriented programming¹, learned Swift, and completed at least one iOS Development Course (if you’re not there yet, these links are a great place to start!). You can write a simple app using Model-View-Controller and it works well, but is your code any good? Could it be done any better? Is it clean (and what on earth does that mean)?
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Intro For the introduction purpose, I would like to show you what exactly I would cover in this article, how lifecycles are divided into categories and what each category is responsible for.
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A Good Start In React Native

 If you are reading this article, you probably fit one of the two groups: You are a native iOS or Android developer thinking about transitioning to RN, or You are already familiar with RN, but a friend, who is a native iOS/Android dev, asked you for some advice on how to learn RN. In both cases, you are welcome and this article is for you!
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iOS Debugging Tips & Tricks

Every developer knows that debugging is important. We spend a lot of time on creating breakpoints, stopping program executions and looking for solutions. There are some nice tips and tricks that help us to do it effectively. Here I will show you some of them.
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In 2017, we have seen an increased interest in the question of code sharing across React and React Native, mostly after Nicolas Gallagher took to the stage at React Rally to talk about react-native-web, a solution he has been using to build a web version of Twitter. The first minor version of the package (0.1.0) was released October that year, and earlier, in March, Microsoft published reactxp to NPM. Since then, both libraries have been actively maintained, albeit by a limited number of contributors. They are currently the only production-proven options for experimenting with “truly” cross-platform React, targeting Native and Web with a single code base.
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One of the many reasons why it is believed that the development of mobile applications is long and tedious is the problem with lack of a specific architecture for mobile apps, especially for Android. The situation has been improving for some time thanks to the different approach of Google, which started suggesting a certain architecture for Android apps. Google is now suggesting to use the MVVM architecture. However, the problem still exists.
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