Android status bar notifications [complete tutorial with source code]

Displaying status bar notification is a common way to unobtrusively inform user that something has happened (like new GMail message notification). In your app you can display it whenever you want. I will guide you how to do it from basics. This is how notifications are presented to the user: Google's documentation regarding the notifications …

iOS tutorial: progress indicator on status bar

Here I will demonstrate how to show progress indicator on iPhone's status bar. It is standard user interface element, so it is self explanatory to the user and extremely simple to develop. Use it to indicate that some processing is taking place (for example network communication). This is how it is going to look like: …

Android push notifications with Google C2DM

Push notification is message sent by server logic to specific android device. Message can be caught by specified application and handled in any way. For example some notification can be shown on the android status bar. Received message can also be handled by Application in the way which user will not even see. Application will …