类分层结构
- java.lang.Object
- androidx.fragment.app.Fragment (implements android.content.ComponentCallbacks, androidx.lifecycle.HasDefaultViewModelProviderFactory, androidx.lifecycle.LifecycleOwner, androidx.savedstate.SavedStateRegistryOwner, android.view.View.OnCreateContextMenuListener, androidx.lifecycle.ViewModelStoreOwner)
- com.app.user.fra.BaseFra (implements com.app.util.IStartup)
- com.kxsimon.video.chat.emoji.MsgInputFragment (implements android.view.View.OnClickListener)
接口分层结构