How can I check if a reuse identifier has been registered with a UITableView already?
问题 In iOS apps, we have to register nib files with our table view before we can use UITableView#dequeueReusableCellWithIdentifier . Example: static NSString *myReuseIdentifier = @"MyReuseIdentifier"; UINib *cellNib = [UINib nibWithNibName:myReuseIdentifier bundle:nil]; [self.tableView registerNib:cellNib forCellReuseIdentifier:myReuseIdentifier]; Is there a way to check if a Nib has already been registered with a UITableView? I have a custom cell that I use in various tables across several