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POObjective-C: How to declare/define method used on tableView
 

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  1. POObjective-C: How to declare/define method used on tableView
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    <p>My initial problem of multiple line selection in a <code>UITableView</code> has been answered in <a href="https://stackoverflow.com/questions/6057819/didselectrowatindexpath-selecting-more-than-one-row-at-a-time">this</a> question. But the answer left me at a point where I can't go on on my own, as I am very new to Objective C and iOS development.</p> <p>Following <a href="https://stackoverflow.com/users/760958/daxnitro">daxnitro</a>s answer, I want to implement the code he/she suggested:</p> <pre><code>- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { if ([tableView indexPathIsSelected:indexPath]) { [tableView removeIndexPathFromSelection:indexPath]; } else { [tableView addIndexPathToSelection:indexPath]; } // Update the cell's appearance somewhere here [tableView deselectRowAtIndexPath:indexPath animated:NO]; } </code></pre> <p>I still need the methods and I thought I can do it for <code>indexPathIsSelected</code> (for example) like this:</p> <pre><code>@interface MyTableViewController () - (BOOL)indexPathIsSelected:(NSIndexPath *)indexPath; @end @implementation MyTableViewController // ... - (BOOL)indexPathIsSelected:(NSIndexPath *)indexPath { BOOL bIsSelected = NO; // ... return bIsSelected; } @end </code></pre> <p>But that doesn't work. The error message is: <em>No visible @interface for 'UITableView' declares the selector 'indexPathIsSelected:'</em> Note: The same happens, if I declare the method in the .h file's interface instead.</p> <p>Now, what baffles me, is this: <code>[tableView indexPathIsSelected:indexPath]</code> is somehow called on the <code>tableView</code> object and I don't even know why. Is that something I have to take into account in my method declaration/definition? I feel really stupid right now, that I can't even write a method by seeing its invocation.</p> <p>How do I define and declare the method <code>indexPathIsSelected</code> correctly, so I can use it properly?</p>
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    1. CORefer this: http://stackoverflow.com/questions/5375122/how-to-select-multiple-rows-in-uitableview
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    2. CO@mrunal The poster has a specific problem with his current approach, totally re-doing it with another approach is overkill. I think this is a one-line fix.
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