uitableview

Detect when a UITableView is being reordered

I have a UITableView backed by an NSFetchedResultsController which may trigger updates at any time. If the user is currently reordering rows, applying these updates will cause an exception because the table view has temporarily taken over and you get an error like Invalid update: invalid number of rows in section [...] How can I detec...

Graphical glitches when adding cells and scrolling with UITableView

I am using a UITableView to display the results of a series of calculations. When the user hits 'calculate', I add the latest result to the screen. When I add a new cell, the UITableViewCell object is added to an array (which is indexed by tableView:cellForRowAtIndexPath:), and then I use the following code to add this new row to what is...

Semantic Fish-eye zoom on table cells in UIKit?

How would I go about implementing a table view that looks and works something as illustrated in the link below, with UIKit for the iPhone? http://img442.imageshack.us/img442/4177/uifisheyeview.png So basically I want the cell sizes to vary according to distance of focus (middle of view). And I would also want it to be semantic zooming a...

Is it possible to remove the black line which separates the rows in a tablecell?

How can I do this? I want the cells appear like just a collection of items with no separations in the form of lines? And also how can I make the contentView of a cell go transparent? ...

Select First Row as default in UITableView [Urgent]

hi , ihave application that is viewbased and i am adding tableview as subview to main view and i have taken UITableViewDelegate to respond the table methods everything is working fine but i want to select first row or UITableView as default selected(Highlighted) plz help me if possible then send me sample code and where i have to pl...

UITableView Search

Hi all, I'm using the following code for my search on my table: - (void)filterContentForSearchText:(NSString*)searchText scope:(NSString*)scope { [searchParent removeAllObjects]; for(NSString *a in parent) { NSComparisonResult result = [a compare:searchText options:(NSCaseInsensitiveSearch) range:NSMakeRange(0, [search...

How can I create a transparent tableview with each cells being transparent?

I tried all this inside - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath 1.tableView.backgroundColor = [UIColor clearColor]; 2.cell.backgroundColor = [UIColor clearColor]; 3.cell.contentView.backgroundColor = [UIColor clearColor]; It only responds to the 1st line and makes the bac...

How to make a table view which is not the full width of the screen?

For some strange reason, UITableView resizes my cells to 320 width no matter how I set the frame for the UITableView object. Even if I go in later and resize the cell back to 250, UITableView seems to resize it again to 320 some time. Is there some property or method that must be set / called additionally to get that right? However, I...

iPhone: custom UITableViewCell with Interface Builder -> how to release cell objects?

The official documentation tells me I've to do these 3 things in order to manage the my memory for "nib objects" correctly. @property (nonatomic, retain) IBOutlet UIUserInterfaceElementClass *anOutlet; "You should then either synthesize the corresponding accessor methods, or implement them according to the declaration, and (in iPho...

iphone segmented control and uitableview

I have a UITableView with a segmented control at the top. When you tap on the different segments, I want the table to reload with a new different sized array. I have tried everything including [self.tableView reloadData]. When you click on a different tab now, it only changes the cells that are out of view and does not add any more. ...

Why is uitableview underneath my uinavigationbar

I have a UINavigationController with a UIViewController (vc1) as the "root view controller". There are 3 views in the UIViewController: HeaderView(UIViewSubclass) UITableView (custom frame) FooterView(UIViewSubclass) The reason that the header/footer view are separate from the uitableview is because they need to be stationary a...

EXEC_BAD_ACCESS in UITableView cellForRowAtIndexPath

My UITable is returning EXEC_BAD_ACCESS, but why! See this code snippet! Loading the UITableView works fine, so allXYZArray != nil and is populated! Then scrolling the tableview to the bottom and back up causes it to crash, as it goes to reload the method cellForRowAtIndexPath It fails on line: "NSLog(@"allXYZArray::count: %i", [allX...

UITableView is getting interaction when changing rows with animation

Hi, I have a tableview on a nib file with the interaction setting turned off. I'm animating a section change like this: [myTableView beginUpdates]; [myTableView deleteSections:[NSIndexSet indexSetWithIndex:0] withRowAnimation:YES]; [myTableView insertSections:[NSIndexSet indexSetWithIndex:0] withRowAnimation:YES]; [myTableView endUpdate...

Need advice on speeding up tableViewCell photo loading performance

I have around 20 tableview cells that each contain a number (2-5) thumbnail sized pictures (they are VERY small Facebook profile pictures, ex. http://profile.ak.fbcdn.net/hprofile-ak-sf2p/hs254.snc3/23133_201668_2989_q.jpg). Each picture is an UIImageView added to the cell's contentview. Scrolling performance is poor, and measuring the ...

willDisplayCell and UITableViewCell label background colors

My question relates to stackoverflow 1184014. Basically I have customized the background of my UITableViewCell (clear color) in my -(void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath and it's all good until I overlay an UIActionSheet over the Table. If the curre...

How do i add a main menu before accessing a UITableView?

Hi I have built an application that revolves around UITableView, Core Data and XML. Now that the app is almost complete i want to add a main menu before accessing the tableView. The main menu will then allow you to navigate to the table and other functions. What is the easiest way to go about doing this? I'm confused about how to change...

Add blank cell at end of UITable

I'm trying to add an additional cell for custom content as the last cell in a tableView, without altering the dictionary that creates the other content of the table. I think the place to add it is in cellForRowAtIndexPath rather than adding one to the numberOfRowsInSection, which just crashes if I do. I get a cellCount from the dictio...

How to make a table view which can be scrolled for ever?

I have a set of 100 rows, pretty similar to values which can be selected in a picker. When the user scrolls the table, I want the rows to be appended like an forever-ongoing assembly-belt. So when the user scrolls down and reaches the row 100, and scrolls even further, the table view will show again row 1, and so on. Reverse direction sa...

iPhone: Having trouble figuring out how to scroll a UITableView with custom UITextField cells automatically when entering text

Ok, I know this seems like a duplicate question, but don't think it is. I actually have this implemented already (thanks to this SO question), but it seems sluggish. I am willing to tweak it a bit, but I ran across a demo app by AboutObjects that seems to have exactly the right functionality with absolutely no code doing it. I have looke...

iPhone UITableView - Visible Cells.

Hi, I have a grouped UITableView, with cells in section 2 depending on cells in section 1. More precisely, each cell in section 1 is associated with multiple cells of section two and deleting a row in section 1 needs to delete the associated rows in section 2. I have my dataSources all set up and everything works fine if all cells are ...