I was wondering how one might go about making it so when you tap on a UITableViewCell in a UITableView, a method is called to change the text of a UILabel. Much appreciated!
Assuming you have not tried using didSelectRowAtIndexPath, You could do something like this:
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
self.label.text = #"Test";
}
Related
I am new in iOS and I am facing problem regarding to select one cell and on click of them change image. But when I click on other cell its image also got change.
As in image I can select all Full,Partial and None.I want to select only one at a time like radio button.
My code is like this
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
FPNTableViewCell *cell = (FPNTableViewCell *)[tableView cellForRowAtIndexPath:indexPath];
cell.circleimg.image=[UIImage imageNamed:#"CircleClick.png"];
}
I am using Custom tableview. Thanks in Advance!
Initialise an Int (top of the controller Eg: int i=0;)
tableview didselect method assign the selected index to that int
EG: i = indexpath.row
Cellforrowindex method check the i with indexpath. Based on that you can use the image
You can use tableview method
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
}
for selecting.
-(void) tableView:(UITableView *)tableView didDeselectRowAtIndexPath:
(NSIndexPath *)indexPath {
}
for unselect.
So far I have customized my UITableViewCell with the icon reorder row.
I want my cell can be reordered when long press on the reorder icon and then move it.
The image below is what I have expected.
I have read many document they provided only long press on cell and move it but I don't want it because long press on cell I have my another gesture is renaming it; and also I don't want to use the edit/done of UITableView default from OS; so I decided to put reorder icon but I can not do, because I'm new in objective c.
Can anyone help by providing sample code here?
Thank for reading.
Override two methods of UITableViewDataSource
For reordering to work you will first need to bring the Table in editing mode. Which you can either do it from viewDidLoad or from a IBAction method.
-(void) viewDidLoad{
[super viewDidLoad];
self.myTableView.editing = YES;
}
- (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath{
return YES;
}
- (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath{
//Manipulate your data array.
}
By Default editing style is UITableViewCellEditingStyleDelete. So if you don't override the below method it will show both rearrange as well delete icon.
-(UITableViewCellEditingStyle) tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath{
return UITableViewCellEditingStyleNone;
}
Since, you have long gesture of your cell causes issue with the long gesture of the re-ordering of cell. You can add a UIView to the cell. Add all your elements in this UIView. Now, attach a UILongPress Gesture to this UIView (not to the cell.).
Currently my tableview looks like this: as you can see, cell.textLabel and cell.detailTextLable both load this background, and i can't work out how to get them to stop loading the background, and for it only to be the backing on the cell.
Here's my current code to change the cell:
- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath {
[cell setBackgroundColor:[UIColor colorWithPatternImage:[UIImage imageNamed:#"tableCell.png"]]];
}
How can i get round this problem?
Thanks in advance.
have you tried [[cell contentView] setBackgroundColor:blabla]; ?
I am trying to sync a UITableView with a UILabel to make sure they show the same data; of course, things will be different in the end, but for testing this is what I need to do.
See the arrow? I want that middle cell (from px44-88) to show the cell.textLabel.text in a UILabel when it is the "middle cell".
I tried using - (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath but I was having so many problems I figured I'd come here to ask if anyone has a better way of doing this. I'm not sure if it would make a difference or not but I am using NSFetchedResultsController to populate my UITableView.
UITableView is a subclass of UIScrollView, so probably you can use UIScrollViewDelegate
- (void)scrollViewDidScroll:(UIScrollView *)scrollView
member to detect which cell is currently in the middle.
I.e. assuming you have a plain table with no sections, and tableView is an outlet for the table, label is an outlet for the label, than this will function in your controller will work:
- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
int row = (scrollView.contentOffset.y + tableView.frame.size.height / 2) / 44;
NSIndexPath *indexPath = [NSIndexPath indexPathForRow:row inSection:0];
UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
label.text = cell.textLabel.text;
}
Of course, you need to do some scrolling to make it work ;)
You can use visibleCells method to get layout of visible cells for non-plain table and use it to detect cell in the middle of the table.
I have a TableView with a CustomCell.In my CustomCell i have some Label's and one Button when ever i am clicking on the Button some of the Label will get hide.Here comes my problem now i need to resize my UITableViewCell based on the CustomCell Height.I know using
- (CGFloat) tableView: (UITableView *) tableView heightForRowAtIndexPath: (NSIndexPath *) indexPath
i can resize my UITableViewCell.But how can i resize based on my custom cell height.I dont want to use any timer methods. if any one know please help me..
This is what I do to adjust a tablecell height:
I remake the cell at the desired index path and adjust the height according to it.
- (float) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
CustomCell *cell = (CustomCell*)[self tableView:tableView cellForRowAtIndexPath:indexPath];
return cell.contentView.frame.size.height;
}