If you're a mobile app developer, Java was probably your go-to language for building Android apps. But did you know that new languages that might challenge Java's leadership in the Android world are popping up all over the place? One of them is Kotlin, a relatively new language some people believe is on its way to replacing Java on the mobile development scene.

Android Oreo has been out out for a while, and the question that arises among the owners of Android products and in the Android developers community is: “should I update my mobile application?” The answer is not straightforward, as there are both good reasons to do it, and good reasons to wait. In this article, I will help you make the right decision on when and how to update your application to deal with a new version of Android.

On 17 May 2017, Google announced their first-class support for Kotlin, which means that Kotlin became an official language for Android app development. Since then, JetBrains proved that Kotlin can also be successfully used for writing iOS apps – the official app of KotlinConf 2017 was built entirely in Kotlin and supported iOS, Android as well as most browsers via its web app. With the growing support for both major mobile platforms Kotlin is bound to gain in popularity, and its future seems not to be confined only to Android. You might have heard about Kotlin and asked what it is and whether it is worth choosing this technology over Java for Android mobile development. This article was written to provide answers to these questions - and more.

Video chats are implemented in a great many applications. Facebook’s Messenger, WhatsApp, Skype, Google Hangouts, or Slack – they all have it. If you want to follow their steps and implement a video chat in your application, you might encounter some problems. Most of them are paid solutions that only use their provider’s servers. That’s why I created VideoChatGuru, an open-source solution accessible to anyone who wants to have a video chat in their app.

The most frequently googled questions about Android programming are: Why is Android development hard? and Why is Android development so complicated? All in all, developing an Android app doesn't have to be more complicated than any other app. There are a lot of things that you have to keep in mind, but with the tips presented in the article, you can make the process effortless.

In May 2017, the Android team at Google announced first-class support for Kotlin, a statically typed programming language that runs on the Java Virtual Machine (JVM). Kotlin is built by JetBrains, who (it is worth noting) is also responsible for developing the JetBrains IntelliJ Java IDE, which Google’s own Android Studio is based on.

And the day has come when Oreo is no longer only our favourite cookie.

Mobile analytics provide you with the information that you can leverage in taking data-driven decisions to improve engagement, promote retention and increase the revenue. Choosing the right tool for mobile analytics has an impact on your profits and the future growth. The cheat sheet will help you make the right choice.

Do you think your app is safe enough? Nothing could be further from the truth! Nowadays we are surrounded by mobile applications which influence almost every aspect of our everyday life. Due to the fact that mobile apps also touch some sensitive parts of our lives, namely: banking, shopping, medical care, contacts, etc., developers put huge efforts into expanding their security. App creators implement more and more advanced data protection mechanisms, but do they really remember about  securing less obvious elements that take part in data processing? In this article we would like you to show how to avoid data leaks related to these elements based on Android OS.