EditText widget in Android with Example

Widget refers to the elements of the UI (User Interface) that helps user interacts with the Android App. EditText is one of many such widgets which can be used to retrieve text data from user.

EditText refers to the widget that displays an empty text field in which a user can enter the required text and this text is further used inside our application.

Class Syntax:

public class EditText extends TextView

Class Hierarchy: 

java.lang.Object
 ↳android.view.View
 ↳ android.widget.TextView
 ↳ android.widget.EditText

Here the layout can be any layout like Relative, Linear, etc (Refer this article to learn more about layouts). And the attributes can be many among the table given below in this article.

Example:

How to include a EditText in an Android App?

• First of all, Create a new Android app, or take an existing app to edit it. In both the case, there must be an XML layout activity file and a Java class file linked to this activity.
• Open the Activity file and include a EditText field in the layout (activity_main.xml) file of the activity and also add a Button in activity_main.xml file too.
• Now in the Java file, link this layout file with the below code: 

where activity_main.xml is the name of the layout file to be attached.

• Now we will add code in MainActivity file to make our layout interactive or responsive. Our application will generate a toast on clicking the button with the text as entered by user.
• The complete code of the layout file and the Java/Kotlin file is given below.

Below is the implementation of the above approach: 

activity_main.xml:

Here's the code for the MainActivity:

Output:

Upon starting of the App, entering a name in EditText and pressing the "Submit" button, the name in the EditText is then displayed as a Toast: 

For learning more about the topic refer to these articles:

Some Important XML Attributes of EditText in Android