Duplex communication system with WebSockets on iOS

WebSockets on iOS – Real-time Communication That Doesn't Slow Down the App

When you want to download data for the app, you probably use API RESTful interface. All it takes is to ask the server for the data and that’s it! This method works well when the app doesn’t need permanent access to new information. But what to do if the content has to be updated in real-time? A delay can make it impossible for the user to buy an item or make a sports bet, for example. But there’s a solution – WebSockets on iOS. Check out why you should implement them, and how to do it.

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Layout design elements

5 Reasons Why You Should Build the UI in ConstraintLayout

ConstraintLayout is a popular solution that Android developers use every day. And not without a good reason. If you’re at the beginning of your journey as a software engineer, get familiar with the most important features this layout can offer. It will help you understand the way it works, and Android app development will become easier.

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iOS Localized Notifications

How to Send iOS Notifications in Different Languages? Guide to Dynamic Localization

The best way to set a connection between a user, provider, and an app? System notifications. They allow users to get the latest news in no time. This solution is easy to implement in apps dedicated to one market. But it gets complicated when the messages must be displayed in many languages. In such cases, the dynamic localization of remote notifications can be a real game-changer.

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Mobile app developer adding feature flags

How to Implement Feature Flags and Gain More Control over Your App?

Every person with software development experience can share a few stories about incorrectly working features. We build our apps out of small pieces, introduce advanced architecture patterns, and yet sometimes one of the elements fails, causing bugs or even system failures. In such cases, feature toggling can save the day! Find out how to implement feature flags, and make your app more stable.

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A man takes a photo with a smartphone

Bitrise Tests Made Easier: Update JIRA Issues with Build Number and Forget About Delays in QA Testing

When you trigger Bitrise build with changes and forget to tell QA specialists some essential information, there are two likely scenarios. You waste time waiting for the update from the tester, only you don’t know it’s never coming. Or you get so many questions about builds that you can’t keep up. Sounds familiar? If so, let us tell you about the JIRA issue update that keeps workflow in order.

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Smartphone

Creating BuildVariants with Gradle

When creating an application, sometimes at some point we want to get several versions of our application that differ in some more or less important details. To easily obtain different versions of your application, just make a few changes in Gradle.

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User journey diagram

Solving a Data Flow Diagram Using PromiseKit

Before they start coding, most programmers begin by creating a data flow diagram to know exactly how each piece of code is supposed to work (in other words, how it should behave). If the behavior of the application is not complex, you do not have to sketch it, although it is a good habit. However with more complicated behavior, it is hard to properly code such flow.

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iPhone and laptop

CallKit - How to Configure It?

iOS 10 offers many new features. One of them is CallKit, the framework which allows our application to seamlessly integrate with the user interface of a phone. CallKit may be used in applications to allow users to receive incoming calls and perform outgoing calls with the phone-provided UI. VoIP call can be muted or suspended. It is also possible to make video calls.

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