[React Native Error][ES 5标准]

Invariant Violation: Element type is invalid: 
expected a string (for built-in components) 
or a class/function (for composite components) 
but got: object.Check the render method of 'Navigator'.

如图:

no_module_exports.png

解决：
查看当前页面对应代码, 是否缺少了module.exports = XXXX;