Singsys blog: Mobile Apps

Performing Simple Animations using NSTimer class

Here is a simple tip on how we can perform simple animation on objects in Xcode using the NSTimer class to create timers that call methods at regular intervals.

 

Using the NSTimer class –

 

There are many ways to perform simple animations. One of the easiest ways to perform animation is to use the NSTimer class. The NSTimer class creates timer objects, which enable you to call a method at a regular time interval. It also allows you to update the position of an image at regular time intervals. (more…)

When running into EXC_BAD_ACCESS errors during iPhone development, enabling NSZombieEnabled can easily debug access error.

EXC_BAD_ACCESS error is a general error in your iOS application, but is hard to debug and find the route cause for this error in your application. The main reason of EXC_BAD_ACCESS error to happen is that – somewhere in your application code you are trying to send a message to an object that has already been released.

 

So how we will find the root cause of this error? (more…)

Apple to begin USB adapter takeback program in India

Soon Apple is going to begin a Global USB adapter takeback program in India later this month under which it will offer original Apple USB adapter to its users at 50% discount.

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Good News! Now iOS apps can be transferred from one developer account to another

So finally Apple has changed its policy of not allowing apps transfer from one account to other account. Now it can be transferred across accounts without affecting the app’s rating, downloads and history. (more…)

Will Android Kill iPhone?

Read this nice article at http://iphonetouch.blorge.com/2010/01/01/will-android-kill-the-iphone-in-2010/ (more…)