swift - 画图 - 画矩形,虚线,圆和半圆
摘要:import UIKit class JYJYBouncedCouponsViewCellBgView: UIView { //一定要在这里设置 背景色, 不要再draw里面设置, override init(frame: CGRect) { super.init(frame: frame) self.backgroun...
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posted @
2018-08-14 13:55
懂事长qingzZ
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OC - GCD 队列组 - 下载图片画图
摘要:- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{ [self downloadImage]; } -(void)downloadImage{ dispatch_group_t group = di
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posted @
2018-06-28 11:48
懂事长qingzZ
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