- 透明层
- - (void) insertTransparentGradient {
- UIColor *colorOne = [UIColor colorWithRed:(33/255.0) green:(33/255.0) blue:(33/255.0) alpha:0.0];
- UIColor *colorTwo = [UIColor colorWithRed:(33/255.0) green:(33/255.0) blue:(33/255.0) alpha:1.0];
- NSArray *colors = [NSArray arrayWithObjects:(id)colorOne.CGColor, colorTwo.CGColor, nil nil];
- NSNumber *stopOne = [NSNumber numberWithFloat:0.0];
- NSNumber *stopTwo = [NSNumber numberWithFloat:1.0];
- NSArray *locations = [NSArray arrayWithObjects:stopOne, stopTwo, nil nil];
-
-
- CAGradientLayer *headerLayer = [CAGradientLayer layer];
-
- headerLayer.colors = colors;
- headerLayer.locations = locations;
- headerLayer.frame = self.bounds;
-
- [self.layer insertSublayer:headerLayer above:0];
- }
-
-
- 颜色渐变
- - (void) insertColorGradient {
-
- UIColor *colorOne = [UIColor colorWithRed:(255/255.0) green:(255/255.0) blue:(255/255.0) alpha:1.0];
- UIColor *colorTwo = [UIColor colorWithRed:(33/255.0) green:(33/255.0) blue:(33/255.0) alpha:1.0];
-
- NSArray *colors = [NSArray arrayWithObjects:(id)colorOne.CGColor, colorTwo.CGColor, nil nil];
- NSNumber *stopOne = [NSNumber numberWithFloat:0.0];
- NSNumber *stopTwo = [NSNumber numberWithFloat:1.0];
-
- NSArray *locations = [NSArray arrayWithObjects:stopOne, stopTwo, nil nil];
- CAGradientLayer *headerLayer = [CAGradientLayer layer];
- headerLayer.colors = colors;
- headerLayer.locations = locations;
- headerLayer.frame = self.bounds;
-
- [self.layer insertSublayer:headerLayer above:0];
-
- }
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