| UIKit.framework | |
| Public Framework | |
|---|---|
| Availabile | 1.0 – present |
| Class Prefix | UI |
| Headers | [headers.cynder.me] |
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. |
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:
|
| CF_BENCH_IMAGE_MODE | Cover Flow benchmark image mode. Available values are:
|
| 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. |
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