I have seen quite a lot of people asking some basic questions about comparing integers, floats, strings, and so on. Many made mistakes in do...

This is a simple tutorial  to create "slide to unlock" feature.  As you may have guessed, we have to use UISlider. UISlider is ...

We use UIImageView a lot in our apps, right? At the most, we use it for a nice view backgrounds or even as button images. The easiest way ...

I am impressed with iAd revenue given by Apple. It really surprises me. So I end up putting iAds for most of my free apps. Though, I'...

It has been a looong time since I wrote any tutorials / sample codes. Recently a friend asked to create a simple base for a game where there...

If you develop apps, most probably you will want a user to load up his/her own photo into the app. You can test the UIImagePickerController ...

This post is not really a coding tutorial. Instead I will be sharing on how things get pretty gooey if you use a Macbook to develop iPhone a...

Ok, its been a while since I wrote any tutorials, so I thought I'd write about a basic Tab Bar based template customization. As most o...

My app just got rejected for displaying UIImagePickerController in the landscape mode. As Apple doc stated,  UIImagePickerController  ...

It has been a while since I last wrote any tutorial, so here is one more. This tutorial is inspired by a noobie's post in the iphonedevs...