uitableview

问题 If the user taps and holds on a Foo table view cell for 2 seconds, a modal view should be shown. The modal view is also displayed when a new Foo is added to the cell. The modal view's delegate protocol is implemented by the parent UITableView subclass. My tap and hold detection code is in the Foo UITableViewCell class. I'm having difficulty referencing the parent tableview's navigation controller to display the modal view. FooModalViewController *modalController = [[FooModalViewController

问题 There are a huge number of questions relating to this topic but I have not yet come across my use case so here goes. This is my first couple weeks in OBJ-C so I have no clue what I am doing with some of this stuff... What I Want I do not particularly enjoy seeing so many classes in OBJ-C that overload the view controller classes with every and any function on this earth. It looks dirty and feels gross as far as OOP goes. In my use case I don't have a full screen table just a little one to

问题 I am new to this coredata. Just to be familiar with relationship i created two entities CategoryList (consists of attribute 'categories') and ExpenseList(consists of attribute 'amountspent') which has a to many relationship. Relationship from 'CategoryList' To 'ExpenseList' is 'expenselist'. The 1st tableview shows the total expense in each categories like food -150 transportation -100 mobile -100 shopping -500 and the second tableview shows individual expenses like food -100 food -50

问题 What would cause the first row of a table in a nav controller to be positioned so part of it is under the nav controller? I cannot seem to get it to show the whole row top to bottom; It may seem minor, but it's clearly not correct and I find it unattractive. TableViewController added to nav controller entirely in code: SettingsRootController*settings=[[SettingsRootController alloc] initWithStyle:UITableViewStylePlain]; self.settingsView=[[[UINavigationController alloc]

问题 In my apps, i have created table view and displayed the images and the labels in the table view. I have downloaded the image and set the image height into the another class and i have passed the image height value using delegates. In my problem is, heightForRowAtIndexPath method is call very earlier and it never calls again. So how i set the cell height depends on the image height? //appDelegate.imageHeight - Image height delegate value. - (CGFloat)tableView:(UITableView *)tableView

问题 My goal is to display a list of cells that are populated by some data I pull down from a server. And as the user scrolls down I would like there to be, briefly, a table cell that says "Loading More", and then goes away as more cells are filled in with data. Here are the relevant sections to do this: - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{ [tableView registerClass:[CGSitesCell class] forCellReuseIdentifier:cellIdentifier]; //

问题 This question already has answers here : Closed 7 years ago . Possible Duplicate: iPhone Multiple Columns in UITableView Anyone help how to create 2 column tableview in ios? 回答1: You have to create custom cell view for this task. And add this custom cell in yourTable View. Check this link for more info Link Link 2 According to your query you just make customButton instead of images and then set image and tagValue to that button, so whenever you will press button you can identify using

问题 This question already has answers here : Closed 7 years ago . Possible Duplicate: iPhone Multiple Columns in UITableView Anyone help how to create 2 column tableview in ios? 回答1: You have to create custom cell view for this task. And add this custom cell in yourTable View. Check this link for more info Link Link 2 According to your query you just make customButton instead of images and then set image and tagValue to that button, so whenever you will press button you can identify using

问题 I keep getting checkmarks being marked in other sections of my table view when I click a row. Im not certain if I need to set my accessoryType. I tried mytableView.reloadData() however that didn't help either. var selected = [String]() var userList = [Users]() @IBOutlet weak var myTableView: UITableView! @IBAction func createGroup(_ sender: Any) { for username in self.selected{ ref?.child("Group").childByAutoId().setValue(username) print(username) } } func tableView(_ tableView: UITableView,

问题 I have an application which its rootview is a menu to 4 tableviews that the user uses to set up a search query by selecting a cell that loads another subview, so the basic structure looks like this Root View - Parent View (search view) --Sub View (user selects variables here to fill search parameters of the parent view But one of the Parent View search parameters requiers another sub view to be pushed onto the navigation stack so it would look like Root View - Parent View (search view) --Sub