How does weex's customized WXComponent on the Android side override the onBackPressed method of the host Activity?

Question

As the title states, the OnBackPressed method of the activity needs to be monitored in the rewritten component. How to implement it in the Component. Do you need to override onActivityBack?

Answer 1

In the Component拿到你要操作的activity instance, then listen to the method you want

Answer 2

Yes, override the onActivityBack就可以。不过需要注意的是，需要在你的宿主Activity的onBackPressed方法中，调用WXSDKInstance的onActivityBack method.