//先判断是否支持3D-Touch
[self registPreview];
//图标可多写
UIApplicationShortcutIcon *Icon1 = [UIApplicationShortcutIcon iconWithType:UIApplicationShortcutIconTypeUpdate];
UIApplicationShortcutIcon *Icon2 = [UIApplicationShortcutIcon iconWithType:UIApplicationShortcutIconTypeBookmark];
//选项
//Type类型
//localizedTitle标题
//localizedSubtitle子标题
//userInfo参数
UIApplicationShortcutItem *item1 = [[UIApplicationShortcutItem alloc] initWithType:@"share" localizedTitle:@"分享" localizedSubtitle:@"这是一个分享选项" icon:Icon1 userInfo:nil];
UIApplicationShortcutItem *item2 = [[UIApplicationShortcutItem alloc] initWithType:@"search" localizedTitle:@"搜索" localizedSubtitle:@"这是一个搜索选项" icon:Icon2 userInfo:nil];
[UIApplication sharedApplication].shortcutItems = @[item1, item2];
}
- (void)registPreview {
//是否支持3D-Touch
//UIForceTouchCapabilityAvailable可以的
if(self.traitCollection.forceTouchCapability == UIForceTouchCapabilityAvailable) {
//支持3D-Touch为资源视图注册代理
[self registerForPreviewingWithDelegate:self sourceView:_tableView];
}else{
NSLog(@"不支持3D-Touch");
}
}
#pragma mark --- UIViewControllerPreviewingDelegate
- (nullableUIViewController *)previewingContext:(id)previewingContext viewControllerForLocation:(CGPoint)locationNS_AVAILABLE_IOS(9_0) {
//根据位置获取_tableView中的indexPath
NSIndexPath *indexPath = [_tableView indexPathForRowAtPoint:location];
//根据indexPath获取cell
UITableViewCell *cell = [_tableView cellForRowAtIndexPath:indexPath];
if(!cell) {
return nil;
}
PreviewViewController *pvc = [[PreviewViewController alloc] init];
pvc.preferredContentSize = CGSizeMake(0, 0);
//被点击的那个小框
previewingContext.sourceRect = cell.frame;
//删除(pvc.h中声明的block块)
pvc.deleteCellBlock = ^(NSIntegerindex) {
[_dataArray removeObjectAtIndex:index];
[_tableView reloadData];
};
//vc.h中声明的index属性
pvc.index = indexPath.row;
return pvc;
}
- (void)previewingContext:(id)previewingContext commitViewController:(UIViewController *)viewControllerToCommitNS_AVAILABLE_IOS(9_0) {
//提交视图控制器
[self presentViewController:viewController ToCommitanimated:NO completion:nil];
}
//在PreviewViewController *pvc的.m文件中
//按钮
- (NSArray> *)previewActionItems {
UIPreviewAction *action = [UIPreviewActionaction WithTitle:@"删除" style:UIPreviewActionStyle Destructivehandler:^(UIPreviewAction *_Nonnullaction,UIViewController *_NonnullpreviewViewController) {
_deleteCellBlock(_index);
}];
return @[action];
}
