ios - Customize UIImagePickerController to have a white border -

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i'm trying reach controller looks similar this: enter image description here

notice customize size of capture screen, , white border around it. know, it's impossible change background color of uiimagepickerviewcontroller, im trying implement overlayview go above it.

the main issue need make mask view show camera in middle of overlay view, , far came short.

any ideas on how implement this? how can make mask view cuts "hole" in overlay view see camera underneath it?

thanks!

i suggest creating custom camera. let put sorts of overlays etc. check out avcapturesession there bunch of tutorials online describing how easily. first result google search: https://dannygtech.wordpress.com/2014/03/04/custom-camera-on-ios-avcapturesession-avcapturevideopreviewlayer-tutorial/


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