我可以建议ExpressionChangedAfterItHasBeenCheckedError的解决方法.

I can suggest a work around for the ExpressionChangedAfterItHasBeenCheckedError.

这是枪手在这里 https://***.com/a/43375600/2708210

您可以做的是在setTimeout内进行呼叫，这是我遇到的问题，并且可以解决此问题.

what you can do is make the call inside of a setTimeout i had this issue and this was a work around.

 this.subscription = this.service.spinner$
  .subscribe(item => setTimeout(() => this.showProgress = item, 0)); 

这是我的应用程序 git链接