RubyMotionでテーブルビューのページング - Qiita

class ItemsController < UITableViewController READ_COUNT = 20 ITEM_CELL_ID = 'Item' def viewDidLoad super self.title = 'hoge' @items = [] @page = 0 @last_items_size = 0 @indicator = UIActivityIndicatorView.alloc.initWithActivityIndicatorStyle(UIActivityIndicatorViewStyleGray) @indicator.stopAnimating load_items end def load_items Item.fetch(READ_COUNT, @page * READ_COUNT) do |items, error_message|