Titanium script to open a link in Chrome or Safari. Be sure to set `appUrlScheme` in config.json.

about.coffee

openURL = (url, protocol='http') ->
  Ti.Platform.openURL "#{protocol}://#{url}"

openApp = (e) ->
  if e?.index == 1
    protocol = e.source.alternativeProtocol

    # Add Google Chrome specific callback params
    if e.source.alternativeProtocol == 'googlechrome-x-callback'
      url  = "x-callback-url/open/?"
      url += "x-source=#{encodeURIComponent Ti.App.name}&"
      url += "x-success=#{encodeURIComponent Alloy.CFG.appUrlScheme + ':'}&"
      url += "url=#{encodeURIComponent 'http://' + e.source.url}&"

  openURL (url ? e.source.url), (protocol ? e.source.protocol)

checkAndPromptForApp = (e) ->
  dialog = $[e.source.promptDialog]
  if e.source?.alternativeProtocol && Ti.Platform.canOpenURL "#{e.source.alternativeProtocol}:"
    dialog.protocol = e.source.protocol
    dialog.url = e.source.url
    dialog.show()
  else
    openApp e

about.jade

Alloy
  Window
    Button(
      onClick='checkAndPromptForApp'
      alternativeProtocol='googlechrome-x-callback'
      url='example.com'
      promptDialog='openInBrowserDialog') http://example.com


  OptionDialog#openInBrowserDialog(onClick='openApp' cancel=2 alternativeProtocol='googlechrome-x-callback')
    Options
      Option Open in Safari
      Option Open in Chrome
      Option Cancel