SimpleAdapter simpleAdapter=new SimpleAdapter(this,arrayList,R.layout. ArrayAdapter is also an implementation of BaseAdapter.Ĭustom Adapter code which extends the BaseAdapter in that: public class CustomAdapter extends BaseAdapter int getCount() //int array of views id's Base Adapter can be extended to create a custom Adapter for displaying a custom list item. Whenever we need a customized list in a ListView or customized grids in a GridView we create our own adapter and extend base adapter in that. Now we describe each Adapters one by one in detail:īaseAdapter is a common base class of a general implementation of an Adapter that can be used in ListView, GridView, Spinner etc. Custom SimpleAdapter – It is used whenever we need to display a customized list and needed to access the child items of the list or grid.SimpleAdapter – It is an easy adapter to map static data to views defined in your XML file.Custom ArrayAdapter – It is used whenever we need to display a custom list.ArrayAdapter – It is used whenever we have a list of single items which is backed by an array.BaseAdapter – It is parent adapter for all other adapters.and I haven't put the items in from the MainActivity, but it already gives me the default items from 1 to 8 (like screenshot) even if I use ArrayAdapter in MainActivity, it's still not changing the.

There are the some commonly used Adapter in Android used to fill the data in the UI components. .

Android studio listview items