titanium file opener

function dialogCallback(filenames){
    alert(filenames[0]);
}

function selectResultFile() {
  var options = {
    multiple: false,
    title: "Open file",
    types: ['*'],
    typesDescription: "All files",
    path: Titanium.Filesystem.getUserDirectory()
  }

  Titanium.UI.openFileChooserDialog(dialogCallback,options);  
}