I have a subclassed UITableViewCell that adds an image to the contentView, as well as two custom UILabels. When the table goes into editing mode everything shifts to the right correctly, but if I click on the delete control it nudges the frame of the image (which uses its own variable 'thumbnail') to the left. The labels stay in place, even though they're also subviews of contentView - so the image frame is being redrawn and contentView and the label frames are not.
I've tried overriding layoutSubviews but that doesn't seem to help, or I'm not doing it in the right way.
Does anyone know how to ensure contentView is treated as a single object, and prevent its individual subviews being moved? I'm not using IB and would prefer to keep it that way.
Thanks!
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For a simple example lets say I have a UITextView with a Button underneath it. These two controls are siblings both embedded in a parent UIView.
I now change the text within the UITextView and resize it accordingly. Is there a way to make the button automatically move to have the same relative distance to the bottom of the UITextView? This may seem trivial for this case, but I will have a longer hierarchy with multiple UITextViews that change and it would be nice not to have to calculate the height of every object manually.
One way to approach this would be with a table view: if you place each of your text views within its own table view cell, the table view will automatically calculate its total height from individual calls to its delegate’s -tableView:heightForRowAtIndexPath: method and lay itself out accordingly. Whenever the height of one of your text views needs to change, you can call -reloadData on the table view to make it lay itself out again. A disadvantage of this approach is that it’s really difficult to animate the height changes; if that’s essential to the effect you’re going for, I’m afraid you’re stuck with doing the entire layout manually.
Try the autoresizingMask property of UIView.
in my uitableview, i subclassed uitableviewcell's, and i added a subview to the contentview with flexible width and height. the cells are of dynamic height.
when the tableview first loads, everything is fine. however, as i start to scroll around, separators start disappearing, and they happen at the same places every launch. scrolling around some more will recover the lost separators.
anyone else encounter this?
I don't know how specific this will be to your project, but I'll tell you what I figured out. Overriding my layoutSubviews method was the problem. I looked at the view hierarchy of my cell before and after I called [super layoutSubviews] and discovered that this method was making the contentView 1 pixel shorter and added a new view below it 1 pixel high with a background color of 0.88/0.88/0.88.
If you can't live with some of the side effects of the superclass implementation, it looks like this view must be added manually.
The problem was related to the dynamic heights. Using either ceilf or floorf solved the problem.
I hope someone reading this might be able to shed some light on this problem.
I have a plain UITableView containing custom UITableViewCells, each cell is a different height provided by tableView:heightForRowAtIndexPath: and the table does not scroll. The cells themselves are really containers for one or two UILabels nothing very special. Three of the cells show a custom disclosure when editing apart from that no disclosures are used for anything else. The custom disclosures are UIImageView's assigned to the cells editingAccessoryView with 28x29 images however the UIImageView size is set to 40x29 to give a better position using contentMode Left.
This should work fine but what happens is when the disclosures appear in edit mode they don't all share the same position - two might be the same x and the third might be 5px different. This seems to be dependant on the height given to each cell, they basically move around. I can't see how they are associated but have found one set of heights that give the expected results of all three being in the same position. This isnt ideal but has been working fine till now - I have no choice but to change the heights and so the alignment is a big problem.
If I remove the custom disclosures then the standard disclosures work perfectly?
I've tried lot's of things, i.e.
removing the extra width on the UIImageView
reducing the size of the image
playing around with the cell heights - the disclosures just move around
replacing the UIImageView's with other controls - no difference
If you have any ideas why this might be I'd love to here them, thanks.
My guess is its because you are using content mode left in the UIImageView. Use content mode center.
The views get stretched in all directions when the height changes, but the image stays on the left edge of the view...
I'm trying to get my UITableView to show cells with images placed on them (contained in a UIImageView overlaid). I'm wondering why when scrolling up and down, the images look like they're overlaid on top of one another.
What can I do in this case for the sake of memory management as well as to fix this issue?
Make sure that when you're dequeuing a reusable cell that you remove whatever image view was in the cell before you add the one for the current index path.
Alternatively, you can change the image property of the UIImageView.
I am having some trouble getting my application to properly resize the text of UILabels when the user does a swipe to delete or other type of delete. Currently, the delete button is covering up the text that is in the cell (if it is really long). I would like for them to operate like how SMS (move clipped text down a line) or iPod (delete button resizing text).
I am using a custom UITableViewCell I am working with two labels, UIImageView and a couple of subviews for backgroundView and selectedBackgroundView. I have been playing with the springs and struts of the labels in the cell and partially attained my desired effect however, the text has a weird, quick resizing bug where it becomes deformed and stretched out and then is returned proper size when the delete button is done animating.
As far as other things that I have tried, I have made sure that my text does not adjust-to-fit and I have made my minimum font size the font size that I set for the label. I have also tried over-riding layoutSubviews but that didn't seem to have any effect at all.
If a screenshot (of the deforming label) or code would be helpful, I can post both but since nothing I have done is working, I figured they would be of little value.
fixed it by setting the "mode" of the label in the view panel to "left"
It sounds like you need to set the number of lines property and the wrap property for the labels.
If your actively changing the size of the label itself, you might want to animate that change.