EditText in Android using Jetpack Compose - Software Development PDF Download

EditText in Android using Jetpack Compose

EditText is a crucial widget commonly found in many apps, facilitating user interaction by allowing them to input data directly. This widget serves as a means for users to communicate with the app, providing various types of data such as numbers, text, or other forms of input. In this discussion, we will delve into the utilization of the EditText widget in Android using Jetpack Compose.

Attributes of EditText Widget

Text Field Attributes

• singleLine: A boolean attribute used to prevent user input from spanning multiple lines.
• inactiveColor: Specifies the color when the user is not focused on the Text Input Field.
• backgroundColor: Defines the background color for the text input field.
• leadingIcon: Method used to add an icon at the beginning of the text input field. It allows the specification of the icon color.
• trailingIcon: Method used to add an icon at the end of the text input field. It also allows the specification of the icon color.

Step by Step Implementation

• Create a New Project:

  To create a new project in the Android Studio Canary Version, refer to the guide on creating a new project in Android Studio Canary Version with Jetpack Compose.

• Adding EditText in MainActivity.kt file:

  Navigate to 'app > java > your app's package name' and open the MainActivity.kt file. Add the provided code to the file. Comments within the code offer detailed explanations.

Code Snippet

• package com.example.gfgapp
• import statements
• MainActivity class with necessary functions
• TxtField() composable function
• DefaultPreview() function for preview

TextField Function Parameters

• value: Retrieves the value of the text field.
• onValueChange: Updates the value in the text field.
• placeholder: Adds placeholder text to the text field.
• modifier: Adds padding and styling to the text field.
• keyboardOptions: Configures the keyboard type and options for the text field.
• textStyle: Defines the styling for the text field value.
• maxLines: Specifies the maximum number of lines in the text field.
• activeColor: Sets the color when the text field is focused.
• inactiveColor: Determines the color when the text field is not focused.
• backgroundColor: Sets the background color of the text field.
• leadingIcon: Adds an icon at the beginning of the text field.
• trailingIcon: Adds an icon at the end of the text field.

Summary of Android Development Course

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