2014/10/15 下午 10:09:14

iphone Programming Glossary: foot

iPhone 4 background location service question

http://stackoverflow.com/questions/2789994/iphone-4-background-location-service-question

there has been a significant location change . Does anyone know what a significant location change might be Is a 30 foot walk considered significant or is a 10 block walk considered significant I imagine it also depends on the accuracy of the..

iPhone - archiving array of custom objects

http://stackoverflow.com/questions/2814316/iphone-archiving-array-of-custom-objects

board retain If you don't get retain release rules learn them now or you will be continually shooting yourself in the foot. Also your saveGame method has several problems. If savedGames is nil you are saving an object not an array to the file...

Websites for the iPhone - but what about other platforms?

http://stackoverflow.com/questions/352468/websites-for-the-iphone-but-what-about-other-platforms

. It reads both handheld and screen stylesheets at the same time violating the standard and shooting itself in the foot. If you're going to suppot PIE then put link to handheld stylesheet last and reverse override all the rules from screen..

How can you track motion using the iPhone's camera?

http://stackoverflow.com/questions/3933716/how-can-you-track-motion-using-the-iphones-camera

camera I saw that someone has made an app that tracks your feet using the camera so that you can kick a virtual football on your iPhone screen. How could you do something like this Does anyone know of any code examples or other information.. it moves across the view of the camera. While this doesn't address the case of tracking a more complex object like a foot shaders like this should be able to be written that could pick out such a moving object. As an update to the above in the..

Drawing bezier curves with my finger in iOS?

http://stackoverflow.com/questions/4672646/drawing-bezier-curves-with-my-finger-in-ios

for this Can someone give me a general summary of what would be required I just need help getting started on the right foot. iphone ipad ios vector bezier share improve this question If you want to stay in objective c you can use UIBezierPath's..

iOS “ current graphics context” - What is that

http://stackoverflow.com/questions/4772392/ios-current-graphics-context-what-is-that

I get the current graphics context in iOS. What exactly though is current graphics context I'm looking for the 30 000 foot description. Right now I just copy and paste UI code not exactly sure what it's doing. iphone ios share improve this..

How to count steps using an Accelerometer?

http://stackoverflow.com/questions/8310250/how-to-count-steps-using-an-accelerometer

when you walk there is a forward backward acceleration of the body that is quite rhythmic along with a shock as the foot strikes the ground. It may be best to attempt to ignore the shock a fairly short term signal and instead look for the rhythmic..

Not including non-retina display images in an iPhone project

http://stackoverflow.com/questions/8770958/not-including-non-retina-display-images-in-an-iphone-project

not good practice and if you have a media heavy app definitely it would impact performance and battery life and memory foot print and .... By the way is it just that you don't have the 1x graphics available to you or you are concerned about your..