RecyclerView is the ViewGroup that contains the views corresponding to your data. It’s a view itself, so you add RecyclerView into your layout the way you would add any other UI element. … After the view holder is created, the RecyclerView binds it to its data. You define the view holder by extending RecyclerView.
What is RecyclerView?
The RecyclerView is a widget that is more flexible and advanced version of GridView and ListView. It is a container for displaying large datasets which can be scrolled efficiently by maintaining limited number of views.
What is RecyclerView in android with example?
RecyclerView is a ViewGroup added to the android studio as a successor of the GridView and ListView. It is an improvement on both of them and can be found in the latest v-7 support packages.
What does a RecyclerView adapter do?
The adapter prepares the layout of the items by inflating the correct layout for the individual data elements. This work is done in the onCreateViewHolder method. It returns an object of type ViewHolder per visual entry in the recycler view.
Which is better ListView or RecyclerView?
Simple answer: You should use RecyclerView in a situation where you want to show a lot of items, and the number of them is dynamic. ListView should only be used when the number of items is always the same and is limited to the screen size.
Why RecyclerView is used in Android?
RecyclerView makes it easy to efficiently display large sets of data. You supply the data and define how each item looks, and the RecyclerView library dynamically creates the elements when they’re needed. As the name implies, RecyclerView recycles those individual elements.
What is the use of Inflater in Android?
What is an Inflater ? To summarize what the LayoutInflater Documentation says… A LayoutInflater is one of the Android System Services that is responsible for taking your XML files that define a layout, and converting them into View objects. The OS then uses these view objects to draw the screen.
Why do we need RecyclerView in Android?
In Android, RecyclerView provides an ability to implement the horizontal, vertical and Expandable List. It is mainly used when we have data collections whose elements can change at run time based on user action or any network events. For using this widget we have to specify the Adapter and Layout Manager.
When should I use RecyclerView?
Use the RecyclerView widget when you have data collections whose elements change at runtime based on user action or network events. If you want to use a RecyclerView , you will need to work with the following: RecyclerView. Adapter – To handle the data collection and bind it to the view.
Why is RecyclerView called RecyclerView?
RecyclerView as its name suggests recycles Views once they get out of scope (screen) with the help of ViewHolder pattern.
What is notifyDataSetChanged RecyclerView?
Set notifyDataSetChanged() on Recyclerview adapter
When software detects that last item is going to be shown, it downloads new items and call to the loadMoreData() function but new dataset is not showing.