Android上的Google自定义搜索失败，错误403

Question

Google自定义搜索从我的应用中返回此403错误。这是从我的手机运行时的响应：

{
 "error": {
  "errors": [
   {
    "domain": "usageLimits",
    "reason": "accessNotConfigured",
    "message": "Access Not Configured. Please use Google Developers Console to activate the API for your project."
   }
  ],
  "code": 403,
  "message": "Access Not Configured. Please use Google Developers Console to activate the API for your project."
 }
}

这里给出了iOS版本的解决方案：

Google Custom Search: 403 error in iOS

感谢您对错误的想法！