ToggleButton in Kotlin - Software Development PDF Download

ToggleButton in Kotlin

In Android, a ToggleButton functions like a switch with two states: ON or OFF, represented by boolean values true and false. Unlike a switch, a ToggleButton does not have a slider interface; instead, it resembles a button. Let's delve into creating a ToggleButton in Kotlin.

ToggleButton

Note: ToggleButton inherits attributes from the Android button class.

Note:

Below are some key additional attributes available for ToggleButton:

To create a new project in Android Studio, follow these steps:

• Click on File, then New, and then New Project and provide a name for your project.
• Choose "Empty Activity" as the project template.
• Next, select Kotlin language support and click the next button.
• Select the minimum SDK as per your requirements.

XML Layout

The ToggleButton in the layout can be accessed using the findViewById() function.

Understanding Toggle Button in Android

• Toggle buttons in Android are a type of button that has two states: ON and OFF.
• They are used to switch between two states or to turn a feature on or off in an application.

Implementation in Android Studio

• After locating the toggle button in the layout using findViewById(), a listener is set using setOnCheckedChangeListener() to perform actions based on the toggle state.
• The setOnCheckedChangeListener() method is used to detect changes in the state of the toggle button.

Example Code Snippet

Explanation

• The code snippet demonstrates the implementation of a toggle button in an Android application.
• When the toggle button's state changes, a Toast message is displayed based on whether the button is checked or not.
• For example, if the toggle button is checked, the message "Geek Mode ON" is displayed; otherwise, "Geek Mode OFF" is shown.

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