Singsys blog: Mobile Apps

Apple’s iOS 7 update is now live to users. Users can update it free of cost. If you have an iPhone 4 or higher, iPad 2 or above, iPad mini or 5th generation iPod touch, you can now enjoy the cool features of new OS and can start updating and downloading new apps in iOS 7.

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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…)

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…)

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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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…)