¿Qué hace onbindviewholder en la vista Recycler?

What does onbindviewholder do in Recycler view?

OnBindViewHolder – Loads the data at the specified position into the views whose references are stored in the given view holder. ItemCount – Returns the number of items in the data source. The layout manager calls these methods while it is positioning items within the RecyclerView.

OnBindViewHolder gets the photo information for the specified row position (the photo’s image resource and the string for the photo’s caption) and copies this data to the associated views. Views are located via references stored in the view holder object (which is passed in through the holder parameter):

Glide is module for loading url images into view, directly. To change UI, we have to work in onBindViewHolder, so we call the Glide in onBindViewHolder. public class Adapter extends RecyclerView. Adapter < Adapter.

The following required RecyclerView.Adapter methods are implemented: OnCreateViewHolder – Instantiates the item layout file and view holder. OnBindViewHolder – Loads the data at the specified position into the views whose references are stored in the given view holder. ItemCount – Returns the number of items in the data source.

It is called by RecyclerView to display the data at the specified position. This method is used to update the contents of the itemView to reflect the item at the given position.

So the library file libs/android-support-v4.jar may be removed manually via ProjectExplorer by simply right click on the file and then clicking the menu item “delete” 6. Update the file res/values/strings.xml

The view holder class has spinner object and then the spinner object is assigned to the event ” ItemSelected ” in the ViewHolder class constructor. Here we are registering event handlers (in this case itemlistner and spinnerItemSelected) with the View objects.