What is an ArrayAdapter?

What is an ArrayAdapter?

ArrayAdapter is the most commonly used adapter in android. When you have a list of single type items which are stored in an array you can use ArrayAdapter. Likewise, if you have a list of phone numbers, names, or cities. ArrayAdapter has a layout with a single TextView.

What is an AdapterView?

AdapterView is a ViewGroup that displays items loaded into an adapter. The most common type of adapter comes from an array-based data source.

What is a ListView?

Android ListView is a view which groups several items and display them in vertical scrollable list. The list items are automatically inserted to the list using an Adapter that pulls content from a source such as an array or database.

Why do we use ArrayAdapter in Android?

ArrayAdapter is an Android SDK class for adapting an array of objects as a datasource. Adapters are used by Android to treat a result set uniformly whether it’s from a database, file, or in-memory objects so that it can be displayed in a UI element. The ArrayAdapter is useful for the latter.

What is difference between adapter and AdapterView?

An Adapter is responsible for creating and binding data to views. An Adapter isn’t an actual view, but instead produces them. An AdapterView is a ViewGroup that gets its child views from an Adapter . E.g. a ListView has a child view for each row in its list.

What is the use of Arrayadapter in Android?

You can use this adapter to provide views for an AdapterView , Returns a view for each object in a collection of data objects you provide, and can be used with list-based user interface widgets such as ListView or Spinner .

What is difference between RecyclerView and ListView?

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.