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    <pre><code>view.layer.cornerRadius = radius; </code></pre> <p>The hard way (that used to be required in the first iPhone SDK) is to create your own <code>UIView</code> subclass with <code>drawRect:</code> method:</p> <pre><code> CGContextRef context = UIGraphicsGetCurrentContext(); CGContextSetRGBFillColor(context, 0,0,0,0.75); CGContextMoveToPoint(context, rect.origin.x, rect.origin.y + radius); CGContextAddLineToPoint(context, rect.origin.x, rect.origin.y + rect.size.height - radius); CGContextAddArc(context, rect.origin.x + radius, rect.origin.y + rect.size.height - radius, radius, M_PI, M_PI / 2, 1); //STS fixed CGContextAddLineToPoint(context, rect.origin.x + rect.size.width - radius, rect.origin.y + rect.size.height); CGContextAddArc(context, rect.origin.x + rect.size.width - radius, rect.origin.y + rect.size.height - radius, radius, M_PI / 2, 0.0f, 1); CGContextAddLineToPoint(context, rect.origin.x + rect.size.width, rect.origin.y + radius); CGContextAddArc(context, rect.origin.x + rect.size.width - radius, rect.origin.y + radius, radius, 0.0f, -M_PI / 2, 1); CGContextAddLineToPoint(context, rect.origin.x + radius, rect.origin.y); CGContextAddArc(context, rect.origin.x + radius, rect.origin.y + radius, radius, -M_PI / 2, M_PI, 1); CGContextFillPath(context); </code></pre> <p>Note: <code>rect</code> in this code should be taken from <code>[self bounds]</code> (or whatever location you want it in), it won't make sense with <code>rect</code> passed to <code>drawRect:</code> method.</p>
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    1. POHow is a rounded rect view with transparency done on iphone?
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    1. POHow is a rounded rect view with transparency done on iphone?
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    1. COthanks! will try that.
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    2. CODo I still set transparency and bg color etc through IB and how do I stop the alpha applying to the subviews (text/activityIndicator)? At least I think that is what happens - both the text and the spinner look very anemeic/grey, like the background is coming through the white text.
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    3. COSet transparent background in IB, and use semitransparent fill color in the code. I've updated the answer.
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