Ios – UITableViewCell, show delete button on swipe

cocoa-touchiosuikituitableview

How do I get the delete button to show when swiping on a UITableViewCell? The event is never raised and the delete button never appears.

Best Answer

During startup in (-viewDidLoad or in storyboard) do:

self.tableView.allowsMultipleSelectionDuringEditing = NO;

Override to support conditional editing of the table view. This only needs to be implemented if you are going to be returning NO for some items. By default, all items are editable.

- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
    // Return YES if you want the specified item to be editable.
    return YES;
}

// Override to support editing the table view.
- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
    if (editingStyle == UITableViewCellEditingStyleDelete) {
        //add code here for when you hit delete
    }    
}

Related Solutions

Ios – Can you animate a height change on a UITableViewCell when selected

I found a REALLY SIMPLE solution to this as a side-effect to a UITableView I was working on.....

Store the cell height in a variable that reports the original height normally via the tableView: heightForRowAtIndexPath:, then when you want to animate a height change, simply change the value of the variable and call this...

[tableView beginUpdates];
[tableView endUpdates];

You will find it doesn't do a full reload but is enough for the UITableView to know it has to redraw the cells, grabbing the new height value for the cell.... and guess what? It ANIMATES the change for you. Sweet.

I have a more detailed explanation and full code samples on my blog... Animate UITableView Cell Height Change

Ios – UITableView disable swipe to delete, but still have delete in Edit mode

Ok, it turns out to be quite easy. This is what I did to solve this:

Objective-C

- (UITableViewCellEditingStyle)tableView:(UITableView *)aTableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath
{
    // Detemine if it's in editing mode
    if (self.tableView.editing)
    {
        return UITableViewCellEditingStyleDelete;
    }

    return UITableViewCellEditingStyleNone;
}

Swift 2

override func tableView(tableView: UITableView, editingStyleForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCellEditingStyle {
    if tableView.editing {
         return .Delete
    }

    return .None
}

Swift 3

override func tableView(_ tableView: UITableView, editingStyleForRowAt indexPath: IndexPath) -> UITableViewCellEditingStyle {
    if tableView.isEditing {
        return .delete
    }

    return .none
}

You still need to implement tableView:commitEditingStyle:forRowAtIndexPath: to commit the deletion.

Best Answer

Related Solutions

Ios – Can you animate a height change on a UITableViewCell when selected

Ios – UITableView disable swipe to delete, but still have delete in Edit mode

Related Topic