How to include IOSurfaceRef

Question

I'm attempting to create an app using private APIs to take screenshots from the background. I found this example: Taking Screenshots in the background (iOS) - Improving Performance

In the author's code, the first line makes use of the IOSurfaceRef type. Can somebody explain to me how to include this in my code? I attempted to link IOSurfaceAPI.h (where I thought IOSurfaceRef was defined), however that hasn't worked.

Answer 1

First lets start by how to link the Frameworks

1. go to https://github.com/kennytm/iphone-private-frameworks/tree/master/IOSurface and download the headers

2. the IOSurfaceAPI.h files is not included with the download link "due to legal reasons" link and you have to copy it from Xcode from here

   change MacOSX10.11.sdk in the path according to the sdk included with Xcode

/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/System/Library/Frameworks/IOSurface.framework/Versions/A/Headers

2. go to /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/PrivateFrameworks/IOSurface.framework and create a folder named Headers

replace iPhoneOS.platform with iPhoneSimulator.platform an paste the headers in simulator SDK folder too if you want to try apps on the simulator

4. paste all files inside

Now you can use the IOSurface Framework