Explain List View using adapter with the help of example.

ListView is a view group that displays a list of scrollable items. The list items are automatically inserted to the list using an Adapter that pulls content from a source such as an array or database query and converts each item result into a view that's placed into the list.

Here is a simple example of how to use ListView and ArrayAdapter:

1. First, you need to have a ListView in your layout file:

<ListView
    android:id="@+id/list_view"
    android:layout_width="match_parent"
    android:layout_height="wrap_content" />

2. Then, in your activity file, you need to create an array of data that you want to display in the ListView:

String[] items = new String[] {"Item 1", "Item 2", "Item 3", "Item 4", "Item 5"};

3. After that, you need to create an instance of ArrayAdapter. ArrayAdapter is a type of adapter which works with array of data:

ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, items);

In the above line, this is the context, android.R.layout.simple_list_item_1 is a layout file containing a TextView that the ArrayAdapter will use to place the data, and items is the array of data.

4. Finally, you need to set the adapter to the ListView:

ListView listView = (ListView) findViewById(R.id.list_view);
listView.setAdapter(adapter);

Now, when you run your application, you will see a list of items that you have specified in the items array. When you scroll through the list, the ListView automatically requests more items from the adapter.