Yesterday Google announced android-ktx, which is a set of Kotlin extensions for Android app development. It looks like the aim of the…

To help us explain how lifecycles work, we’ve defined a series of scenarios according to the components that are present.

In this series: * Part I: Activities — single activity lifecycle * Part II: Multiple activities — navigation and back stack (this post)…

In this series: * Part I: Activities — single activity lifecycle * Part II: Multiple activities — navigation and back stack * Part III…

Demystify how styles work and how to read platform’s styles.xml file. Understand how styles are applied to views and how to customize them.

Have you ever seen a “xx frames dropped” log in your logcat console? This simply means you’ve been blocking the Android’s main thread for…

In Gradle, dependencies are declared as closure in dependencies block.

Shared preferences is a built-in key-value storage.

One way or another, every developer involves with text and some of us has to go deeper to create some custom drawings. In order to make it…

Playing with animations is always fun but, sometimes, it’s really hard to create them, because you need to do a lot of measurements…

Quick Settings Tile is a fairly new API, introduced with Android 7.0 Nougat (API 24). It enables developers to add custom Tiles in the…

Now say good bye to notifyDataSetChanged()…

Sometimes handling the orientation changes for your Activity, Fragment or AsyncTasks becomes most frustrating things to deal. If…

Gradle makes easy to include external binaries or other library modules to your build as dependencies. The dependencies can be located on…

Most of the time we don’t care about the Gradle files. We only add dependencies, modify target and minimum API levels, signing…

Welcome to Part 2 of the Gradle Tutorial. This part builds on Part 1, where we looked at basic understanding of build tools and Gradle…