标签:rect lld str menu clip label level 分享 事件处理
1、动画cell
针对cell的动画,在Delegate中对cell的layer进行操作:
2、实现代码
#import "ViewController.h" #import "TableViewCell.h" #define CScreenWidth [[UIScreen mainScreen] bounds].size.width #define CScreenHeight [[UIScreen mainScreen] bounds].size.height @interface ViewController ()<UITableViewDelegate,UITableViewDataSource> @property (weak, nonatomic) IBOutlet UITableView *tableView; @property(nonatomic, strong)NSMutableArray *dataArr; @end @implementation ViewController - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. _dataArr = [NSMutableArray array]; for (int i=0; i<100; i++) { [_dataArr addObject:[NSString stringWithFormat:@"%d%d",i,i]]; } [_tableView registerNib:[UINib nibWithNibName:@"TableViewCell" bundle:nil] forCellReuseIdentifier:@"cell"]; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{ return _dataArr.count; } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{ TableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"cell"]; cell.label.text = _dataArr[indexPath.row]; return cell; } //快照截图 //- (nullable UIView *)snapshotViewAfterScreenUpdates:(BOOL)afterUpdates NS_AVAILABLE_IOS(7_0); // 将rect由rect所在视图转换到目标视图view中,返回在目标视图view中的rect //- (CGRect)convertRect:(CGRect)rect toView:(UIView *)view; // 将rect从view中转换到当前视图中,返回在当前视图中的rect //- (CGRect)convertRect:(CGRect)rect fromView:(UIView *)view; - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{ [tableView deselectRowAtIndexPath:indexPath animated:YES]; UITableViewCell * selectedCell = (UITableViewCell *)[tableView cellForRowAtIndexPath:indexPath]; UIView *clipView = [selectedCell snapshotViewAfterScreenUpdates:NO];//快照 CGRect clipFrame =[selectedCell convertRect:selectedCell.bounds toView:self.view]; NSLog(@"==%@",NSStringFromCGRect(clipFrame)); clipView.frame = clipFrame; UIView *view = [[UIView alloc] initWithFrame:clipFrame]; view.backgroundColor = [UIColor redColor]; [self.view addSubview:view]; [self.view addSubview:clipView]; [UIView animateWithDuration:1 animations:^{ view.backgroundColor = [[UIColor redColor] colorWithAlphaComponent:.3]; view.transform = CGAffineTransformMakeScale(1, CScreenHeight/clipFrame.size.height*2); } completion:^(BOOL finished) { [clipView removeFromSuperview]; [view removeFromSuperview]; }]; } - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{ return 50; } - (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath{ CATransform3D transA = CATransform3DIdentity; transA.m34 = -1/500; transA = CATransform3DRotate(transA, M_PI_2, 1, 1, 0); cell.layer.transform = CATransform3DScale(transA, 0.1, 0.1, 1);; [UIView animateWithDuration:0.5 animations:^{ cell.layer.transform = CATransform3DIdentity; cell.layer.cornerRadius = 10; cell.layer.masksToBounds = YES; }]; } @end
3、附件:TableView的Delegate和DataSource的方法简介(iOS11.0)
@protocol UITableViewDelegate<NSObject, UIScrollViewDelegate> @optional // cell、区头、区尾将要呈现和已经呈现 - (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath; - (void)tableView:(UITableView *)tableView willDisplayHeaderView:(UIView *)view forSection:(NSInteger)section NS_AVAILABLE_IOS(6_0); - (void)tableView:(UITableView *)tableView willDisplayFooterView:(UIView *)view forSection:(NSInteger)section NS_AVAILABLE_IOS(6_0); - (void)tableView:(UITableView *)tableView didEndDisplayingCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath*)indexPath NS_AVAILABLE_IOS(6_0); - (void)tableView:(UITableView *)tableView didEndDisplayingHeaderView:(UIView *)view forSection:(NSInteger)section NS_AVAILABLE_IOS(6_0); - (void)tableView:(UITableView *)tableView didEndDisplayingFooterView:(UIView *)view forSection:(NSInteger)section NS_AVAILABLE_IOS(6_0); // cell、区头、区尾高度设置 - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath; - (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section; - (CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section; // cell、区头、区尾高度估算(heightForRowAtIndexPath获取cell会死循环) - (CGFloat)tableView:(UITableView *)tableView estimatedHeightForRowAtIndexPath:(NSIndexPath *)indexPath NS_AVAILABLE_IOS(7_0); - (CGFloat)tableView:(UITableView *)tableView estimatedHeightForHeaderInSection:(NSInteger)section NS_AVAILABLE_IOS(7_0); - (CGFloat)tableView:(UITableView *)tableView estimatedHeightForFooterInSection:(NSInteger)section NS_AVAILABLE_IOS(7_0); // 区头、区尾自定义view - (nullable UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section; - (nullable UIView *)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger)section; // 设置附件类型、附件被点击方法 - (UITableViewCellAccessoryType)tableView:(UITableView *)tableView accessoryTypeForRowWithIndexPath:(NSIndexPath *)indexPath NS_DEPRECATED_IOS(2_0, 3_0) __TVOS_PROHIBITED; - (void)tableView:(UITableView *)tableView accessoryButtonTappedForRowWithIndexPath:(NSIndexPath *)indexPath; // Selection // cell是否高亮、高亮和取消高亮调用函数 - (BOOL)tableView:(UITableView *)tableView shouldHighlightRowAtIndexPath:(NSIndexPath *)indexPath NS_AVAILABLE_IOS(6_0); - (void)tableView:(UITableView *)tableView didHighlightRowAtIndexPath:(NSIndexPath *)indexPath NS_AVAILABLE_IOS(6_0); - (void)tableView:(UITableView *)tableView didUnhighlightRowAtIndexPath:(NSIndexPath *)indexPath NS_AVAILABLE_IOS(6_0); // 将要选择、取消某个cell(适用于拦截点击某个cell) - (nullable NSIndexPath *)tableView:(UITableView *)tableView willSelectRowAtIndexPath:(NSIndexPath *)indexPath; - (nullable NSIndexPath *)tableView:(UITableView *)tableView willDeselectRowAtIndexPath:(NSIndexPath *)indexPath NS_AVAILABLE_IOS(3_0); // 已经选择、取消某个cell(适用于cell事件处理) - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath; - (void)tableView:(UITableView *)tableView didDeselectRowAtIndexPath:(NSIndexPath *)indexPath NS_AVAILABLE_IOS(3_0); // 设置cell的编辑样式、删除确定按钮的标题文字 --左滑操作 - (UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath; - (nullable NSString *)tableView:(UITableView *)tableView titleForDeleteConfirmationButtonForRowAtIndexPath:(NSIndexPath *)indexPath NS_AVAILABLE_IOS(3_0) __TVOS_PROHIBITED; // 添加cell的编辑操作(就是多个操作按钮)--左滑操作按钮 - (nullable NSArray<UITableViewRowAction *> *)tableView:(UITableView *)tableView editActionsForRowAtIndexPath:(NSIndexPath *)indexPath NS_AVAILABLE_IOS(8_0) __TVOS_PROHIBITED; // 取代上方editActionsForRowAtIndexPath方法 - (nullable UISwipeActionsConfiguration *)tableView:(UITableView *)tableView leadingSwipeActionsConfigurationForRowAtIndexPath:(NSIndexPath *)indexPath API_AVAILABLE(ios(11.0)) API_UNAVAILABLE(tvos); // 创建操作按钮UIContextualAction,UISwipeActionsConfiguration相当于封装类 //UIContextualActionStyleNormal,UIContextualActionStyleDestructive(一直右滑直接删除cell) - (nullable UISwipeActionsConfiguration *)tableView:(UITableView *)tableView trailingSwipeActionsConfigurationForRowAtIndexPath:(NSIndexPath *)indexPath API_AVAILABLE(ios(11.0)) API_UNAVAILABLE(tvos); // 编辑时是否缩进 - (BOOL)tableView:(UITableView *)tableView shouldIndentWhileEditingRowAtIndexPath:(NSIndexPath *)indexPath; // 将要、已经结束编辑cell - (void)tableView:(UITableView *)tableView willBeginEditingRowAtIndexPath:(NSIndexPath *)indexPath __TVOS_PROHIBITED; - (void)tableView:(UITableView *)tableView didEndEditingRowAtIndexPath:(nullable NSIndexPath *)indexPath __TVOS_PROHIBITED; // Moving/reordering // 移动特定的某行cell - (NSIndexPath *)tableView:(UITableView *)tableView targetIndexPathForMoveFromRowAtIndexPath:(NSIndexPath *)sourceIndexPath toProposedIndexPath:(NSIndexPath *)proposedDestinationIndexPath; // 设置cell行缩进(可用于设置不同级别) - (NSInteger)tableView:(UITableView *)tableView indentationLevelForRowAtIndexPath:(NSIndexPath *)indexPath; // return ‘depth‘ of row for hierarchies // 是否指定cell显示菜单、弹出菜单方法、选择菜单调用方法 - (BOOL)tableView:(UITableView *)tableView shouldShowMenuForRowAtIndexPath:(NSIndexPath *)indexPath NS_AVAILABLE_IOS(5_0); - (BOOL)tableView:(UITableView *)tableView canPerformAction:(SEL)action forRowAtIndexPath:(NSIndexPath *)indexPath withSender:(nullable id)sender NS_AVAILABLE_IOS(5_0); - (void)tableView:(UITableView *)tableView performAction:(SEL)action forRowAtIndexPath:(NSIndexPath *)indexPath withSender:(nullable id)sender NS_AVAILABLE_IOS(5_0); // 能否获得焦点、是否将要更新焦点、已经更新焦点、返回上一个焦点的NSIndexPath - (BOOL)tableView:(UITableView *)tableView canFocusRowAtIndexPath:(NSIndexPath *)indexPath NS_AVAILABLE_IOS(9_0); - (BOOL)tableView:(UITableView *)tableView shouldUpdateFocusInContext:(UITableViewFocusUpdateContext *)context NS_AVAILABLE_IOS(9_0); - (void)tableView:(UITableView *)tableView didUpdateFocusInContext:(UITableViewFocusUpdateContext *)context withAnimationCoordinator:(UIFocusAnimationCoordinator *)coordinator NS_AVAILABLE_IOS(9_0); - (nullable NSIndexPath *)indexPathForPreferredFocusedViewInTableView:(UITableView *)tableView NS_AVAILABLE_IOS(9_0); // Spring Loading // cell是否支持iOS11 新特性 Drag and Drop (默认YES) - (BOOL)tableView:(UITableView *)tableView shouldSpringLoadRowAtIndexPath:(NSIndexPath *)indexPath withContext:(id<UISpringLoadedInteractionContext>)context API_AVAILABLE(ios(11.0)) API_UNAVAILABLE(tvos, watchos); @end
@protocol UITableViewDataSource<NSObject> @required //每个区返回多少行、初始化cell - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section; - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath; @optional //返回多少区(默认一个区) - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView; // Default is 1 if not implemented //设置区头、区尾文字 - (nullable NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section; - (nullable NSString *)tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section; // Editing //cell是否能编辑、是否能移动 - (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath; - (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath; // 设置索引栏标题数组(右侧的ABCD……)、设置索引栏标题对应的分区 - (nullable NSArray<NSString *> *)sectionIndexTitlesForTableView:(UITableView *)tableView; - (NSInteger)tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index; // cell编辑时、移动时调用的方法 - (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath; - (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)sourceIndexPath toIndexPath:(NSIndexPath *)destinationIndexPath; @end
标签:rect lld str menu clip label level 分享 事件处理
原文地址:https://www.cnblogs.com/xianfeng-zhang/p/8867241.html