app_delegate.rb

# -*- coding: utf-8 -*-
class AppDelegate
  def application(application, didFinishLaunchingWithOptions:launchOptions)
    @window = UIWindow.alloc.initWithFrame(UIScreen.mainScreen.bounds)
    @window.rootViewController = UINavigationController.alloc.initWithRootViewController(TestController.alloc.init)
    @window.makeKeyAndVisible
  end
end

class TestController < UITableViewController
  def viewDidLoad
    super
    self.view.frame = CGRectMake(0,0, 20, 10)
  end

  def viewWillAppear(animated)
    super
    self.view.frame = CGRectMake(0,0, 20, 10)
  end

  ## ここなら反映された
  def viewDidAppear(animated)
    super
    self.view.frame = CGRectMake(0,0, 20, 10)
  end

  def tableView(tableView, numberOfRowsInSection:section)
    return 1;
  end

  def tableView(tableView, cellForRowAtIndexPath:indexPath)
    cell = UITableViewCell.alloc.initWithStyle(UITableViewCellStyleDefault, reuseIdentifier:'cell');
  end
end