Archive for May, 2009

Android: Switching screens by dragging over the touch screen

Posted May 29th @ 12:17 am by Boyan

In this post I will show you how to use the touch screen so that you can drag your finger across the screen, and it will switch the screen for you – “iPhone style”!
For this I will be implemented OnTouchListener and overrided the method OnTouch().
To start off, we need to create an Activity with two [...]


Android: Switching screens in an Activity with animations (using ViewFlipper)

Posted May 26th @ 11:48 pm by Boyan

In this post I’ll show you how to add animations when trying to switch between screens. Usually when you switch between screens it’s a direct “poof” and the new screen appears in a very un-graceful way. The SDK offers a bunch of easy-to-use animations, and I’ll show you how to use them here.
I tried doing [...]


Android: Reading Logs and Exceptions

Posted May 24th @ 11:21 pm by Boyan

While developing my Android apps I routinely, regularly, almost every time, without a miss, get some kind of exception. And the error you see on screen is not developer friendly, though it is very end-user friendly:

WTF? Why? What did I do wrong this time, again?


Android: How to switch between Activities

Posted May 24th @ 10:38 pm by Boyan

In my great expectations of Google Android coming to Canada on June 2nd, I’ve started experimenting with developing some apps for the Android platform. My first app is called “The Taxman” and will calculate the amount of tax you owe per year in your province/state – well only Canada for now.
I had trouble adjusting to [...]


Developer’s Perspective on Android: Getting Started

Posted May 24th @ 9:49 pm by Boyan

I’ve been a fan of Google’s mobile operating system Android for quite a while – technically since I heard about it 2 years ago. I’ve been unfortunate to live in Canada, because none of the telco companies here have carried any phones with Android (only HTC phones for now, but Samsung seems to be coming [...]




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