Minimal ruby files for Cordova and RubyMotion.

app_delegate.rb

class AppDelegate

  def init
    cookieStorage = NSHTTPCookieStorage.sharedHTTPCookieStorage
    cookieStorage.cookieAcceptPolicy = NSHTTPCookieAcceptPolicyAlways

    CDVURLProtocol.registerURLProtocol

    super
  end

  def application(application, didFinishLaunchingWithOptions:launchOptions)
    url = launchOptions[UIApplicationLaunchOptionsURLKey] if launchOptions

    invokeString = url.absoluteString if url and url.isKindOfClass(NSURL.class)

    screenBounds = UIScreen.mainScreen.bounds
    @window = UIWindow.alloc.initWithFrame(screenBounds)
    @window.autoresizesSubviews = true

    viewBounds = UIScreen.mainScreen.applicationFrame

    @viewController = MainViewController.new
    @viewController.useSplashScreen = true
    @viewController.wwwFolderName = "www"
    @viewController.startPage = "index.html"
    @viewController.invokeString = invokeString
    @viewController.view.frame = viewBounds

    # check whether the current orientation is supported: if it is, keep it,
    # rather than forcing a rotation
    forceStartupRotation = true
    curDevOrientation = UIDevice.currentDevice.orientation

    if UIDeviceOrientationUnknown == curDevOrientation
      # UIDevice isn't firing orientation notifications yet... go look at the status bar
      curDevOrientation = UIApplication.sharedApplication.statusBarOrientation
    end

    # Make sure curDevOrientation is valid
    # Work around for the UIDeviceOrientationIsValidInterfaceOrientation macro
    # since callable preprocessor macros are not supported by RubyMotion
    if [UIDeviceOrientationPortrait,
        UIDeviceOrientationPortraitUpsideDown,
        UIDeviceOrientationLandscapeLeft,
        UIDeviceOrientationLandscapeRight].any? { |x| x == curDevOrientation }
      for orient in @viewController.supportedOrientations
        if orient == curDevOrientation
          forceStartupRotation = false
          break
        end
      end
    end

    if forceStartupRotation
      NSLog("supportedOrientations: %@", @viewController.supportedOrientations)
      # The first item in the supportedOrientations array is the start orientation (guaranteed to be at least Portrait)
      newOrient = @viewController.supportedOrientations[0]
      NSLog("AppDelegate forcing status bar to: %d from: %d", newOrient, curDevOrientation);
      UIApplication.sharedApplication.statusBarOrientation = newOrient
    end

    @window.addSubview(@viewController.view)
    @window.makeKeyAndVisible

    true
  end

end

main_view_controller.rb

class MainViewController < CDVViewController

  def webViewDidFinishLoad(theWebView)
    # only valid if ___PROJECTNAME__-Info.plist specifies a protocol to handle
    if @invokeString
      # this is passed before the deviceready event is fired, so you can access it in js when you receive deviceready
      NSLog("DEPRECATED: window.invokeString - use the window.handleOpenURL(url) function instead, which is always called when the app is launched through a custom scheme url.")
      jsString = "var invokeString = \"#{@invokeString}\";"
      theWebView.stringByEvaluatingJavaScriptFromString(jsString)

      # Black base color for background matches the native apps
      theWebView.backgroundColor = UIColor.blackColor
    end

    super
  end

end