I\'m developing an app for iPhone using a coverFlow view, when the app is building the cards it is using a UIView in order to add labels and other stuff. Then I convert the UIV
Use drawViewHierarchyInRect:afterScreenUpdates:
instead of renderInContext:
it is 15x faster.
You can see the comparison on this article.
Also, I have created a Swift extension for doing this: https://stackoverflow.com/a/32042439/517707
There is no memory leak apparent in the code snippet you provided. That operation could not be performed on a background thread because of UIGraphicsBeginImageContext()
, so you should have an NSAutoreleasePool
in place (the return value of UIGraphicsGetImageFromCurrentContext()
is autoreleased). Without further information, its impossible to tell where the memory leak could be - I suggest you look at whatever objects eventually own the viewImage object and make sure you are properly releasing the UIImage if you retain it.