Top "Ios4" questions

Saving UIView contents in iOS 4 with real size of the images inside (i.e. scale contentes up for save)

I have an UIView with many UIImageViews as subviews. The app runs on iOS4 and I use images with retina …

iphone uiview ios4 calayer retina-display

Resize CATextLayer to fit text on iOS

All my research so far seems to indicate it is not possible to do this accurately. The only two options …

ios4 sizewithfont catextlayer

How do you activate multisampling in OpenGL ES on the iPhone?

I'm experimenting w/ improving the "resolution" of an OpenGL ES based app. Apple mentions here (developer.apple.com) that OpenGL …

iphone opengl-es ios4 multisampling

Incorrect NSStringEncoding value 0x0000 detected

I am using ASIHttpRequest library in iphone and when i try to do a GET request on the below URL …

iphone ios4 asihttprequest

How to record and play sound in iPhone app?

I tried using AVAudioSession and AVAudioPlayer to record and play sounds respectively but the sound volume is very low. I …

iphone ios4 avaudioplayer avaudiorecorder

Hi-Res @2x image not being picked up for tab bar item

I have a TabBarController that sets the image for the tab like so, in the -init method: self.tabBarItem.image = […

iphone ios4 retina-display

codesign "The operation was cancelled by the user"

For some reason, whenever I try to codesign in xcode, I am getting this error (path to app): The operation …

iphone ios4 codesign

How to save video from assets url

I want to save video to my app document from asset url. My asset url is as follows:- "assets-library://…

iphone objective-c xcode ios4 alasset

Splitting a bezier curve

I'm working on a game for iPhone which creates a path after your character as you move (movement is similar …

math ios4 split bezier

Why does my apps icon disappear after an ad hoc install (iPhone)

I have an app that I'm trying to install via standard OTA ad hoc. On iOS 4.1 The app installs ok. …

iphone ios4 adhoc