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Editorial Team
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Asked: 2026-06-07T23:07:42+00:00

Take a look: This is the code I use to make the gradient: gradView

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Take a look:

This is the code I use to make the gradient:

gradView = [[UIView alloc] initWithFrame:CGRectMake(0, 440, self.view.frame.size.width, 80)];
gradView.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"sepGrad.png"]];
gradView.alpha = 0.2;
[self.view addSubview:gradView];

And the .png files:


Why would iOS4 be unable to display the transparent .png properly?

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1 Answer

  1. Editorial Team

    I think it’s a bug in iOS 4.3, see this answer: https://stackoverflow.com/a/8896838/429331

    In your case: 

    gradView = [[UIView alloc] initWithFrame:CGRectMake(0, 440, self.view.frame.size.width, 80)]; 
gradView.opaque = YES;
gradView.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"sepGrad.png"]];
gradView.opaque = NO;
gradView.alpha = 0.2;
[self.view addSubview:gradView];

    You could also try to omit gradView.opaque = YES;, I’m not sure if it’s really necessary.

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