Posts tagged "iOS"
Google Maps for iOS

Google Maps for iOS

Apple received a LOT of flak for their undercooked Maps app. Luckily for iPhone users, Google swooped in to assert some dominance in the Maps department with their lovely Google Maps app. They launched the SDK earlier this year after initially rolling it out  to developers on a request basis only. Here is a simple...

Pull Down to Refresh

While the title might be evocative of a cheap adult film, the pull-down to refresh mechanism is now the de-facto control to retrieve new data from a server. All social apps including the official Twitter and Facebook for iOS implement this functionality currently. So how would you implement this rather neat feature? Constructing your own...

First Step towards Core Data

In my first article “Data Storage in iOS”, I talked about the different types of data storages available to the iOS developer. With this post I would show you how you could start off with Core Data. Create a new  Empty Application template project in Xcode 4.2 and choose Use Core Data and name the...
UIButton Hack

UIButton Hack

How to disable a UIButton until there is text in the UITextField Surely you must be joking? This sounds overly simplistic doesn’t it? Well, to the people familiar with Objective-C a nd can perform this operation with both hands tied behind their back, nothing to see here. Y’all can move right on. Disabling a UIButton...

Data storage in iOS

Mobile applications are of two types – online and offline. Online applications have to be connected to an external server for functioning. When there is no network connectivity, these application stops functioning. Offline applications, on the other hand, do not need to be connected to external servers. These applications work with data stored locally on...
Image optimization in Xcode

Image optimization in Xcode

At some point of time during the process of coding your *awesome* iPhone application, you would have added some images to the project. The size-conscious among you fine folk might want to check the size of the image when it is embedded into the .app file. After all, you wouldn’t want to bloat the size...
An ode to Testflightapp.com

An ode to Testflightapp.com

As stated before, I’m not really a big fan of Apple’s policies. Some of their policies inconvenience programmers to no end and one such process is the remote installation of beta builds. Now as per Apple’s policies, you can install your app only on 99 devices per account. You are allowed to install the apps...
Apple's iOS policies revealed!

Apple’s iOS policies revealed!

A critical review of Apple’s policies regarding iOS development. On March 6th 2008 at the Apple Town Hall Facility, the following announcement was made by Scott Forstall, VP of iPhone Development: “..starting today… we’re opening the same native APIs and tools to build our iPhone apps. Third party developers can build native iPhone apps using...