UIWebView -iPhone- (Video)
Learn how to load a web page in a UIWebView on iPhone and show a loading indicator with UIActivityIndicatorView, so Apple approves your app. Video tutorial.
Category: Mobile apps
Multiple Picker Views in One View (iPhone) (Video)
Learn how to get several pickers in a single iPhone view using one UIPickerView fed by multiple NSArrays. Watch the video and download the project.
Switching Automatically from One ViewController to Another (iPhone)
Learn how to switch from one ViewController to another automatically on iPhone, with no user interaction, using an NSTimer and a Storyboard ID.
Android Error – The Connection to adb Is Down and a Severe Error Has Occurred
Getting the Eclipse error "The connection to adb is down, and a severe error has occured"? Here are two simple ways to restart adb and fix it.
Android Error – SDK Installer Doesn’t Detect the Java JDK
The Android SDK installer can't find the Java JDK and won't let you continue? Here are three solutions, including the common Windows 8 case.
Activity – Understanding and Using an Android Activity
Learn what an Android Activity really is, how its lifecycle works, and how to create and launch activities with a full working example, step by step.
NSTimer in Objective-C: Example (Video)
Learn how NSTimer works in Objective-C with a simple video tutorial: an app that increments an integer variable every second. Project download included.
Passing Data Between ViewControllers Using Storyboards and Segues (Video)
Learn how to pass data between ViewControllers in iOS using Storyboards and Segues, with a video tutorial and the prepareForSegue method explained.
How to Fix Errors in Android
A collection of posts that show you how to fix the most common errors you may run into when developing Android apps with Eclipse, the ADT and the SDK.
[DEPRECATED] Getting the Fingerprint and API Key for Android Maps (VIDEO)
Video tutorial on getting the default Android Maps API key for your emulator and the one from your own certificate's fingerprint, to publish your app.
Setting Up the Tools You Need to Develop for Android
Learn how to get your Android environment ready: use the SDK Manager, create an emulator with the AVD Manager, and set up LogCat filters in Eclipse.
Installing the Android SDK and Linking It with Eclipse
Learn how to install the Android SDK and link it to Eclipse with the ADT plugin, step by step, so your Android development environment works perfectly.