UIKit.framework

UIKit.framework
Public Framework
Availabile	1.0 – present
Class Prefix	UI

UIKit is a high-level Objective-C framework that manages the graphical front-end of the iPhoneOS. It is a public framework, and therefore its documentation can be found on Apple's iPhone Dev Center. Nevertheless, this is only a small part of the whole UIKit.

Parameters for UIKit applications

UIKit recognizes the following these special command-line flags:

Flag	Purpose
-BuildDefaultPNG	Write the default PNG image to ~/Library/Caches/AppSnapshots/BundleID.png (by calling -[UIApplication _writeApplicationDefaultPNGSnapshot] on start up).
-RegisterForSystemEvents	Allow this app to receive system events which normally should be received by SpringBoard.

Versions

Firmware	2.0	2.1	2.2	3.0	3.1	3.2	4.0	4.1	4.2	4.2.6	4.3
SourceCache version	738	747.36	747.36.52	963.10	984.38	1145.66	1261.6	1262.60.3	1447.6.4	1447.28	1448.89
dylib version	229	747.19	752	819	1000	1100	1200	1300	1400	1410	1500

Environment variables

UIKit recognizes the following environment variables

Name	Purpose
UIKIT_PACKED_IMAGE_MAPS	An integer: 0 to disable mapped images (.artwork files) entirely; 1 for normal use; 2 to log operations regarding mapped images.
KB_RECORDING_ENABLED	Whether to enable keyboard recording or not. (The KeyboardRecordingEnabled key of the com.apple.Preferences preferences must be set to true for this to be effective.)
CF_BENCH_MODE	Cover Flow benchmark mode. Available values are: Disabled NoAnimation JustSitThere FastTap ScrubBackAndForth LongScrub ShortScrub ScrubAndWait FlipCover
CF_BENCH_IMAGE_MODE	Cover Flow benchmark image mode. Available values are: NormalImage SingleImage NoImage
CF_BENCH_DISABLE_ENV_PRINT CF_BENCH_PERF_LOG CF_BENCH_TICK_MODE CF_BENCH_TIGHT_LOOP_TIME CF_BENCH_LONG_SCRUB_SPEED CF_BENCH_SKIP_IMAGE_LOAD	Other Cover Flow benchmark parameters.
COVERFLOW_LINEAR_FILTERING COVERFLOW_SPACING	Some Cover Flow settings.