UICollectionViewCell选中高亮状态和UIButton的高亮状态和选中状态
UICollectionViewCell选中高亮状态
//设置点击高亮和非高亮效果! - (BOOL)collectionView:(UICollectionView *)collectionView shouldHighlightItemAtIndexPath:(NSIndexPath *)indexPath { return YES; } - (void)collectionView:(UICollectionView *)collectionView didHighlightItemAtIndexPath:(NSIndexPath *)indexPath { UICollectionViewCell *cell = [collectionView cellForItemAtIndexPath:indexPath]; [cell setBackgroundColor:[UIColor lightGrayColor]]; } - (void)collectionView:(UICollectionView *)collectionView didUnhighlightItemAtIndexPath:(NSIndexPath *)indexPath { UICollectionViewCell *cell = [collectionView cellForItemAtIndexPath:indexPath]; [cell setBackgroundColor:[UIColor whiteColor]]; }
UIButton的高亮状态
1 2 | [_backBtn setBackgroundImage:[UIImage imageNamed:@ "tijiao_n" ] forState:UIControlStateNormal]; [_backBtn setBackgroundImage:[UIImage imageNamed:@ "tijiao_c" ] forState:UIControlStateHighlighted]; |
UIButton的选中保持这个状态再点击取消状态
[button setImage:[UIImage imageNamed:@"like"] forState:UIControlStateNormal]; [button setImage:[UIImage imageNamed:@"like"] forState: UIControlStateHighlighted]; [button setImage:[UIImage imageNamed:@"like_selected"] forState:UIControlStateSelected]; [button setImage:[UIImage imageNamed:@"like_selected"] forState:UIControlStateSelected | UIControlStateHighlighted];
【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
· Linux系列:如何用 C#调用 C方法造成内存泄露
· AI与.NET技术实操系列(二):开始使用ML.NET
· 记一次.NET内存居高不下排查解决与启示
· 探究高空视频全景AR技术的实现原理
· 理解Rust引用及其生命周期标识(上)
· 阿里最新开源QwQ-32B,效果媲美deepseek-r1满血版,部署成本又又又降低了!
· 单线程的Redis速度为什么快?
· SQL Server 2025 AI相关能力初探
· AI编程工具终极对决:字节Trae VS Cursor,谁才是开发者新宠?
· 展开说说关于C#中ORM框架的用法!