蒙版渐变的实现
要求整个view渐渐alpha变透明,包括view上的子view,需要一起变透明。
-(void)testAlpha{ [self.view layoutIfNeeded]; UIColor *color1 = [UIColor colorWithRed:(0) green:(0) blue:(0) alpha:1.0]; UIColor *color2 = [UIColor colorWithRed:(0) green:(0) blue:(0) alpha:0.8]; UIColor *color3 = [UIColor colorWithRed:(0) green:(0) blue:(0) alpha:0.2]; NSArray *colors = [NSArray arrayWithObjects:(id)color1.CGColor, color2.CGColor,color3.CGColor, nil]; NSArray *locations = [NSArray arrayWithObjects:@(0.0), @(0.7),@(1.0), nil]; CAGradientLayer *gradientLayer = [CAGradientLayer layer]; gradientLayer.colors = colors; gradientLayer.locations = locations; gradientLayer.frame = _inputView.bounds; gradientLayer.startPoint = CGPointMake(0, 0); gradientLayer.endPoint = CGPointMake(1, 0); _inputView.layer.mask = gradientLayer; }
让明天,不后悔今天的所作所为
posted on 2016-10-21 11:25 Sinner_Yun 阅读(476) 评论(0) 编辑 收藏 举报
【推荐】国内首个AI IDE,深度理解中文开发场景,立即下载体验Trae
【推荐】编程新体验,更懂你的AI,立即体验豆包MarsCode编程助手
【推荐】抖音旗下AI助手豆包,你的智能百科全书,全免费不限次数
【推荐】轻量又高性能的 SSH 工具 IShell:AI 加持,快人一步