UISearchBar doesn't support transparent backgroundImage

Originator:futuretap
Number:rdar://12223011 Date Originated:03-Sep-2012 12:30 AM
Status:Open Resolved:
Product:iPhone SDK Product Version:6.0 beta 4
Classification:Enhancement Reproducible:Not Applicable
 
Assigning a completely transparent PNG to UISearchBar.backgroundImage displays another roundRect with a different cornerRadius:

http://d.pr/i/3Y7l

I expected that the background would be hidden completely instead.


Note: I also tried setting the tintColor of UISearchBar to [UIColor clearColor]. This doesn't work either and is equivalent to setting it to blackColor.

I had to resort to view hierarchy manipulation techniques which is very ugly. So there should be an official API to display a UISearchBar without the bar background.

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