Any app that saves the users' data has to take care of the security and privacy of that data. In this tutorial, you'll learn how to store user data using the...

Quip is a project management tool for modern teams. It's designed so that multi-disciplinary teams all around the world can work productively together. In...

Xcode is the main IDE used by thousands and thousands of developers every day. It is an awesome tool, but sometimes you want to customize some of its...

Android phones and tablets are generally a lot more open than their counterparts running operating systems such as iOS, Tizen, or Windows 10 Mobile. If you...

Any app that you develop will have to include some sort of local resources and values, such as strings, image assets (even if it's just the app icon) and...

Location aware resources allow your application to interact with the physical world and they are ideal for increasing user engagement. Although many mobile...

Adapter views are so ubiquitous that you'd have a hard time finding a popular Android app that doesn't use them. Every time you see an Android app display...

Before you start creating complex applications with dozens of activities, and thus screens, you need to understand how to switch from one activity to...

When a user interacts with an app on an Android device, they are almost always interacting with an Activity. After Google released the Honeycomb version of...

Security is a key aspect of software development. Almost every mobile application deals with user information or communicates with a remote server. Even...

In this tutorial, we cover more advanced navigation features of Ionic, such as side menus, tabs with individual navigation histories, and a history service...

Aside from a handful of edge cases, every application that you build has some form of user interface. On Android, this is accomplished through the use of...