Multitasking in Android
Learn how multitasking and threads work in Android: the main thread, background threads, event-driven programming and why you should never block the UI.
Category: Mobile apps
Tab Bar Controller in Objective-C – Example (Video)
Learn how to work with a Tab Bar Controller in Objective-C and manage each of its views independently, with a video tutorial and example code.
Collection View (Grids) in Objective-C: Example (Video)
Learn how to build dynamic Collection Views (UICollectionView) and grids on iPhone with Objective-C in this step-by-step video tutorial and example project.
Programming Fragments in Android
Learn how to easily program Fragments in Android, step by step. Complete examples with phone and tablet layouts, callbacks and full source code to download.
Fragments in Android
Learn what Fragments are in Android, how they differ from Activities, and how to build apps that adapt to any screen size, with their lifecycle explained.
Playing Sounds in Android (Video)
Learn how to play sounds and audio files in Android with the MediaPlayer library in this video tutorial, and download the full project from GitHub.
UITableView in Objective-C: Example (Video)
Learn how to build dynamic tables with UITableView on iPhone in Objective-C, with a video tutorial, a UINavigationBar and a downloadable project.
Android Error – java.lang.NoClassDefFoundError for No Apparent Reason
Getting a java.lang.NoClassDefFoundError in Android for no apparent reason? Follow these two simple fixes in Eclipse to get your project working again.
ListView Expansion: Custom GridView and Spinner in Android
Answers to the most common ListView questions in Android: custom GridView, custom Spinner, clickable Views inside rows and simulating a RadioGroup.
Introduction to Android Studio (Video)
Watch our video intro to Android Studio, Google's IDE for Android apps: basic setup, a comparison with Eclipse + ADT, and a fix for Windows startup issues.
Intent – Passing Data Between Activities – Android App (Video)
Learn how to pass data from one Activity to another in an Android app using an Intent after a button click, with a step-by-step video tutorial in Eclipse.
ListView in Android: Building a Custom List
Learn how to create an Android ListView quickly and effectively. Everything you need to know about ListView and Adapter in Android, with full example code.