一些很感兴趣的API

 1、Managing the Lens Position

lensPosition

setFocusModeLockedWithLensPosition:completionHandler:

2、Managing Image Exposure

exposureDuration

setExposureModeCustomWithDuration:ISO:completionHandler:

exposureTargetOffset

exposureTargetBias

maxExposureTargetBias

minExposureTargetBias

setExposureTargetBias:completionHandler:

3、Managing the White Balance

chromaticityValuesForDeviceWhiteBalanceGains:

deviceWhiteBalanceGains

maxWhiteBalanceGain

deviceWhiteBalanceGainsForChromaticityValues:

deviceWhiteBalanceGainsForTemperatureAndTintValues:

grayWorldDeviceWhiteBalanceGains

setWhiteBalanceModeLockedWithDeviceWhiteBalanceGains:completionHandler:

temperatureAndTintValuesForDeviceWhiteBalanceGains:

4、Managing the ISO

ISO  

5、CIKernel.h

6、CLVisit.h

7、CMAltimeter.h

8、CMPedometer.h

9、NSBackgroundActivityScheduler.h

10、App Extensions(App插件功能)，通知中心Widget，Safari插件，自定义键盘

11、Touch ID for Developer

12、Delete Photos with permission

13、CloudKit Web Service

14、Metal 3D渲染，10倍速，更省电，only A7

15、SceneKit 3D Game Engine

16、Swift Language， OC+SWFT+C混合编程