{"id":76793,"date":"2020-03-07T09:38:38","date_gmt":"2020-03-07T04:08:38","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=76793"},"modified":"2021-08-25T14:04:19","modified_gmt":"2021-08-25T08:34:19","slug":"android-adapters","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/android-adapters\/","title":{"rendered":"Android Adapters – The art of accessing the data items in Android"},"content":{"rendered":"

An adapter basically connects the User Interfaces and the Data Source. According to Android officials, \u201cAn Adapter object acts as a bridge between an AdapterView and the data for that view. Android Adapters basically provides access to the data items.\u201d<\/em><\/p>\n

So we know, an adapter implements the Adapter Interface and acts as a link between a data set and an adapter view. An AdapterView is an object of a class extending the abstract AdapterView class. Now when we talk about the data, it can be anything that is present in Structured Manner. It also retrieves data from data set & generates view objects based on that data. It shows the data in different views like GridView<\/strong>, ListView<\/strong>, Spinners<\/strong>, etc.\"working<\/a><\/p>\n

Adapter View in Android<\/h3>\n

An Adapter View displays the set of data in the form of List or Grid provided by the Adapter. It has the capability to display a large number of items on the User Interface efficiently. An Android Adapter is responsible for taking the data from the source and put it in the AdapterView. And it is the responsibility of AdapterView to display the data.\u00a0Adaptors help us make the user interface interactive and friendly to use.<\/p>\n

Learn to make UI interactive by using UI Controls<\/a> with DataFlair.<\/strong><\/em><\/p>\n

An android adapter vier can display the data on the Display screen in three forms that are:\"android<\/a><\/p>\n

Let us see these Views one by one:<\/p>\n

1. ListView<\/h4>\n

The speciality of ListView is that it shows the items in a Horizontal form, here each item lies below the other. These items are displayed in Vertically- Scrollable collection. The example is given below:\"android<\/a><\/p>\n

2. GridView<\/h4>\n

In a Grid View, each item is displayed in a tabular form or a 2-Dimensional view, that is in rows and columns. This is also a vertically-scrollable view. To understand this view, consider the following image:\"android<\/a><\/p>\n

3. Spinner<\/h4>\n

Spinner view is a different view when we talk about all three. In Spinner, we get to choose a value from a list of Values. This is like a dropdown menu that has a set of values from which the user can choose one.\"android<\/a><\/p>\n

Types of Android Adapters\"android<\/a><\/h2>\n

Android provides us with following different types of Adapters that are used to fill the data in UI components:<\/p>\n