Same as this question, only the proposed solution doesn't work for me. When I drag a view to the bottom area of a tableView, it tries to add it to the list of cells higher up:
I'm sure I'm missing something simple... I'm new to storyboards.
EDIT:
Maybe it is adding a "footer" (though, it doesn't label it as such), it's just not adding it low enough. I was ultimately hoping to add an item that would appear at the bottom of the screen (and stick to the bottom of the screen).
TIP: You can use the Tree view (outline view) on the left to arrange the Views (and sub views). I have done a lot of storyboard editing, and dropping things into table views rarely go to the correct hierarchy level in the tree view.
Create a New UIViewController
Insert a UITableView
Resize the tableview by dragging its dimensions
The attached picture has a UITableView on TOP of a UIViewController's UIView. Make sure that you set the delegates in the UIViewController's .m, assign the tableView as a property of the view controller, and then set the tableview's delegate property to the UIViewController object. i.e.: tableView.delegate = self or [tableView setDelegate:self]; also with datasource.
OR you can just click the tableView, on story board, and then drag its delegate and datasource property to THE UIVIEWCONTROLLER! not the view! You can do this by dragging it to the this highlighted part of the view controller's toolbar on the storyboard:
Either you can create a footer view programatically or you can load a view from UIView outlet
UIView *tempFooter=[[UIView alloc]initWithFrame:self.Footerview.frame];
[tempFooter addSubview:self.Footerview];
self.ItemDetailsTable.tableFooterView=tempFooter;
self.Footerview //View outlet
You need to set all the needed constraints of the self.Footerview to get the required layout of the footer view.But you don't need to set constraints for tableview footer itself.
Related
In XCode 11,
new storyboard,
add a UIViewController (sic: NOT a table view controller),
hit the + symbol top right,
drag a table view into the view controller.
Perhaps add four constraints so it is simply full-screen.
Table view attributes inspector, perhaps set Prototype Cells to not-zero, say 2.
How do you now add a header view to the table view?
(The header view should (obviously) be able to handle dynamic height content.)
The easy way of to achieve adding HeaderView to UITableView is.
Plus + button from Top Bar and Select an UIView
Then in hierarchy add the exact bottom of the UITableView.
See the image.
Your UIView element must be like that in the hierarchy.
Then the UIView calculations for dynamic view upon to you.
(You can create an IBOutlet of the this UIView and do some calculation in your UIViewController. )
When adding a tableview header in storyboard, by dragging a view onto the header area, subviews inside this header view seem to be visually misplaced. Is there a logical reason for this?
Reproducing the problem (Xcode 8):
Open storyboard
Drag a UITableViewController onto the canvas
Drag a UIView onto the tableview header area
Add any view as a subview on the header view:
This issue is only visible in storyboard though. At runtime, the views are aligned as expected.
Easy fix: Dont drag in there, drag it on the above like this, since you treat it as a view property to the view controller, not to it's view, when you drag into the view, it will treat your header view as a subview to the content view, that's not what you need
This issue is also applies to xib. When you drag views which the Simulated Metrics size is freedform onto tableView, system will treat the first subview as tableHeaderView, the second subview as tableFooterView automatically.
This question already has answers here:
Programmatically send to front/back elements created from interface builder
(2 answers)
Closed 10 days ago.
I am using a .xib for my cell in a table view. Inside the .xib, is another view (cellBackgroundView), and a button. When I run the app, and click the button, it does not respond at all. Instead, it calls the tableView's didSelectedRowAtIndexPath method which brings another view controller.
Using Xcode's Debug View Hierarchy, I discovered that I have a view overlaying the all the buttons (see pic attached: this overlaying view is highlighted). This view (called backgroundView) that is overlaying my button is a View, within a view. I have a feeling when you place a view in a view, and put a button in the initial view, the button isn't called because its below the view hierarchy.
How do I fix this issue? Is there a way to move background view to the back of the view heirarchy so that the buttons will be responsive?
Debug View hierarchy:
Structure of .xib
Two things that you could check
1) Do you have a delegate method for cell height and is the height returned correct? Unless you have Clip Subviews on for the UITableViewCell, the contents of the cell can be visible outside it's frame, but the parts that are outside the cell's frame are not registering user interactions.
2) Is some other view element higher in the hierarchy (lower in the XCode listing you posted) overlapping the button? iOS Simulators Debug -> Color Blended Layers can help spotting this.
Edit:
If I interpret the added screenshots correctly, you probably have the issue mentioned in the option 1) above. If the other elements showing in the screenshot are those listed as subviews of the Cell Background View they are mostly outside the parent view's frame and thus don't receive touch events. If the background view's frame is correct, then you might want to move the other elements as children for Feed Cell directly.
Also, the element listing suggests that you are using plain UIView as the parent element. I don't know the inner workings of your application, but if you only use this view in a UITableViewCell you might want to consider making the parent view a Table View Cell in the xib. This will reduce some bloat and allow you to configure some properties for the cell in the xib.
Maybe you forgot assign your Button to code
I assume Feed Cell is a subclass of UITableViewCell, and cellBackgroundView is the property contentView of this cell.
If so, the cells property backgroundView should be behind your cellBackgroundView (the docs say: UITableViewCell adds the background view as a subview behind all other views and uses its current frame location.).
You could set the cells property backgroundView = nil, and see whether it is still there in the view hierarchy. If so, you do add a custom backgroundView on top of the other cells views somewhere.
To check this, you could read out the subview hierarchy of your cell in your method tableView:cellForRowAtIndexPath: with something like NSArray *svs = cell.subviews; (assuming cell is the tableViewCell) and set a breakpoint behind this statement.
svs usually contains first the UITableViewCellContentView, and above it the _UITableViewCellSeparatorView. The cells backGroundView will not be shown. You could check there your view hierarchy.
If by chance there is a custom backgroundView on top, you could - as a workaround, not a solution - bring the contentView to the front by sending to the cell bringSubviewToFront: with the contentView as argument. Then the button should respond.
In your Structure of Xib Place your button below the view that is first the view is added to superView then the Button, then your button will work.
or you can code
-(void)viewDidLayoutSubviews{
[self.view insertSubview:yourButton aboveSubview:cellBackgroundView];
}
Hope it will help.
Do you add an UIButton by code?
If so you should ensure you addSubview: into cell.contentView and not into cell.
Also you could try to apply CellBackground class to a view inside contentView, not directly to contentView.
you can use this method.
[cell.contentView bringSubviewToFront:yourButton];
after that if you want to back in background then tou can use sendSubviewToBack: method .
After adding this methods your button is not responding set the userIntractionEable of button's superview.
I have a UITableViewController inside a UINavigationController. I'm adding a "modal" subview to the tableView, which is a custom UIView when one of the rows is selected.
(It’s modal in spirit, not in the UIKit sense, since Apple doesn’t support modal views on iPhone, I’m adding it with a [self.view addSubview:customView] in my table view’s controller.)
I would like it to appear at the bottom of the screen and stay put there. I can get it to draw at the bottom, but once I scroll the table view, the view moves with it. Here are some illustrations:
Initial position (good):
Position after scrolling (bad):
I'm getting the bottom position by subtracting the height of all the chrome (navigation bar and status bar) as well as the height of the custom view from [UIScreen mainScreen].bounds.
How can I get the custom view to stay put? Should I constantly be adjusting its frame when the table view is being scrolled?
Your best and most flexible option is to switch to using a view controller with the table view as a subview so that you can change its frame and add sibling views. Then, when you want to add a modal you can run an animation to move the table view out of the way and slide the modal view in.
UITableViewController.view is an instance of UITableView. Means you added your custom view into a scroll view and that is why it scrolls. You can try to put your custom view into the tableFooterView property of the UITableView, which is the old school solution.
Personally I would create a container UIViewController and have UITableViewController be a sub viewController of it. Another sub viewController UIViewController or just a simple UIView could represent the footer.
According to the answer at UITableView, make footer stay at bottom of screen?, which I verify:
In order to have a footer that stays put at the bottom of the screen,
and doesn't scroll with the table, then you can't use a table view
footer. You can't even use a UITableViewController, you'll need to
implement your view controller as a UIViewController. Then you add
your own table view as a subview. You'll also need to add your footer
as a subview of the view controller's view, not the table view. Make
sure you size the table view so its bottom is at the top of the footer
view.
but the problem is that my UITextField, inside my footer, is being hidden by the keyboard when user tries to type. So how do I keep the keyboard from hiding the UITextField? Throughout the app, I have been using TPKeyboardAvoiding. But in this case, where a UIScrollView/TPKeyboardAvoidingScrollView contains a UITableView and a UIView in vertical order, it does not work. I generally like TPKeyboardAvoiding because it’s so quick and easy. Any ideas how I might fix this issue?
The instruction that you quote is telling you to use a UIViewController, add a UITableView as a subview, then add a UITextField as a subview of the UIViewController NOT as a subview of the UITableView.
Let me draw it out for you:
Step 1:
Add a UITableView to your view controller
Step 2:
Add your UITextField subview (you can embed the UITextField in a UIView container if you like) as a subview of your UIViewController's view NOT your UITableView footer.
Step 3:
If depending on if your using frames or autolayout, you adjust the frame or autolayout constraint constant values for your UITextField subview when user tap on the text field.
Step 4:
Finally, the keyboard appears and the UITextField doesn't get obscured by the keyboard.
Just make sure your UITableView doesn't initialize it's own automatic scrolling for keyboard appearing. If you use UITableViewController then just subclass it and make sure you don't call it's viewWillAppear:. I didn't investigate which exactly method you should block without using UITableViewController, so, you should find out this yourself or somebody else would help.
I did similar in my own project where I wanted to have own scrolling of table view for keyboard appearing.