Add an accessory to cells in ABPeoplePickerNavigationController

gistfile1.m

    Class ABMemberDataSourceClass = NSClassFromString(@"ABMembersDataSource");
    
    SEL originalTableViewMethodSelector = @selector(tableView:cellForRowAtIndexPath:);
    
    Method originalTableViewMethod = class_getInstanceMethod(ABMemberDataSourceClass, originalTableViewMethodSelector);
    
    SEL newTableViewMethodSelector = @selector(dhc_tableView:cellForRowAtIndexPath:);
    
    IMP newTableViewMethodImp = imp_implementationWithBlock(^UITableViewCell * (id __unused _self, UITableView *tableView, NSIndexPath *indexPath){
    
        UITableViewCell *cell=[_self dhc_tableView:tableView cellForRowAtIndexPath:indexPath];
        
        //add to the cell :) eg.
        cell.accessoryType = UITableViewCellAccessoryCheckmark;
        //
        
        return cell;
        
    });
    
    class_addMethod(ABMemberDataSourceClass, newTableViewMethodSelector, newTableViewMethodImp, method_getTypeEncoding(originalTableViewMethod));
    
    method_exchangeImplementations(originalTableViewMethod, class_getInstanceMethod(ABMemberDataSourceClass, @selector(dhc_tableView:cellForRowAtIndexPath:)));