RadioButton tutorial
in Android
This tutorial shows how to use RadioButton widgets on Android.
Introduction to Android Toasts
in Android
This tutorials shows how to show information to the user with Android Toast. Toast draws a small box to the screen with defined for short period of time. It is usefult for showing acknowledgements and other small info tidbits to the user.
Background processing with AsyncTask
in Android
This tutorial shows how to use Android AsyncTask class to run jobs in background threads. All long running jobs need to run in a background thread so that they won't lock up the UI and create an Application Not Responding dialog.
Http requests in Android
in Android
Android contains a great support for interacting with different web services. This tutorial shows how to make a basic GET request to a web server and read the returned contents.
Check network connection availability
in Android
Mobile device may lose its network connection any time. This short example shows how to check if the Android device has a working connection.