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Recent questions tagged alpha

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alpha - CGBitmapContextCreate with kCGImageAlphaNone

I desperately need to create a CGContextRef WITHOUT an alpha channel. Unfortunately, with Core Graphics you CANNOT specify ... so! Please post! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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alpha transparency - How to create transparent activity in android?

How to create transparent activity in android in that screen tap to dismiss button automatically dismiss the activity ... provide any solution. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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