Detect user interaction in fragments

Question

In our app,we are using session management, the problem is even when the user is interacting with the dialog fragment,it is not extending the session, Is there any way to detect user interaction in dialog fragment like we have default method (OnUserInteraction()) in an Activity?

Answer 1

Hello,

Native Android does not provide this API in Fragment, so you need to use the interface to pass methods from Activity to Fragment.

Using Fragments Walkthrough as an example, you can refer to the following steps:

Step 1: Create an interface:

   public interface UserInteractionListener  
   {  
       void onUserInteraction();  
   }  

Step 2: Create an instance variable in your activity:

   private UserInteractionListener userInteractionListener;  
   public void SetUserInteractionListener(UserInteractionListener userInteractionListener)  
   {  
       this.userInteractionListener = userInteractionListener;  
   }  

Step 3: Implement the interface in your Fragment:

   class DetailsFragment : Fragment,UserInteractionListener  
   ...  
   public void onUserInteraction()  
   {  
       //TODO://do your work on user interaction  
       Toast.MakeText(Context, "test", ToastLength.Short).Show();  
   }  

Step 4: Invoke your activity's userinteraction setter method:

   public override View OnCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)  
   {  
         ...  
       ((DetailsActivity)Activity).SetUserInteractionListener(this);  
         ...  
   }  

Best Regards,

Alec Liu.

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