message: selected listItem color fetches color from theme variable file
diff: @@ -7,10 +7,10 @@ export default (variables = variable) => {
  const platform = variables.platform;
  const selectedStyle = {
  "NativeBase.Text": {
  - color: variables.brandPrimary
  + color: variables.listItemSelected
  },
  "NativeBase.Icon": {
  - color: variables.brandPrimary
  + color: variables.listItemSelected
  }
  };
  