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959295 - Review changes the Second six Xamarin-Android Tools Controls…
TameemAnsari-SF4702 Jun 24, 2025
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12 changes: 6 additions & 6 deletions xamarin-android/SfCheckBox/Event.md
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---
layout: post
title: Event | SfCheckBox | Syncfusion® | Xamarin.Android
description: Learn how to get the notification of StateChanged event in Xamarin.Android CheckBox(SfCheckBox) control
platform: Xamarin.Android
description: Learn how to get the notification of StateChanged event in Xamarin.Android CheckBox (SfCheckBox) control
platform: xamarin.android
control: SfCheckBox
documentation: ug
keywords: button, SfCheckBox, CheckBox

---

# Event in Xamarin.Android Chart(SfChart)
# Event in Xamarin.Android CheckBox (SfCheckBox)

## StateChanged event
Occurs when the value(state) of the [`Checked`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_Checked) property is changed by either touching the check box or setting the value to the [`Checked`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_Checked) property using C# code. The event arguments are of type [`StateChangedEventArgs`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.StateChangedEventArgs.html) and expose the following property:
## StateChanged Event
Occurs when the value (state) of the [`Checked`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_Checked) property is changed by either touching the check box or setting the value to the [`Checked`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_Checked) property using C# code. The event arguments are of type [`StateChangedEventArgs`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.StateChangedEventArgs.html) and expose the following property:

* [`IsChecked`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.StateChangedEventArgs.html#Syncfusion_Android_Buttons_StateChangedEventArgs_IsChecked): The new value(state) of the [`Checked`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_Checked) property.
* [`IsChecked`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.StateChangedEventArgs.html#Syncfusion_Android_Buttons_StateChangedEventArgs_IsChecked): The new value (state) of the [`Checked`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_Checked) property.

{% tabs %}
{% highlight c# %}
Expand Down
47 changes: 24 additions & 23 deletions xamarin-android/SfCheckBox/Getting-Started.md
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---
layout: post
title: Getting started in Syncfusion® CheckBox for Xamarin.Android platform
title: Getting Started with Syncfusion® CheckBox for Xamarin.Android Platform
description: Learn how to create a simple CheckBox and their customization options with the available basic features in Xamarin.Android
platform: xamarin.android
control: SfCheckBox
Expand All @@ -9,28 +9,28 @@ keywords: button, SfCheckBox, CheckBox

---

# Getting Started Xamarin.Android Checkbox (SfCheckbox)
This section explains the steps required to configure the [`SfCheckBox`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html) control in a real-time scenario and provides a walk-through on some of the customization features available in [`SfCheckBox`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html) control.
# Getting Started with Xamarin.Android CheckBox (SfCheckBox)
This section explains the steps required to configure the [`SfCheckBox`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html) control in a real-time scenario and provides a walk-through on some of the customization features available in the [`SfCheckBox`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html) control.

## Add SfCheckBox reference
Syncfusion<sup>®</sup> Xamarin components are available in [nuget.org](https://www.nuget.org/). To add checkbox to your project, open the NuGet package manager in Visual Studio, and search for "[syncfusion.xamarin.buttons.android](https://www.nuget.org/packages/Syncfusion.Xamarin.Buttons.Android)", and then install it.
## Add SfCheckBox Reference
Syncfusion<sup>®</sup> Xamarin components are available in [nuget.org](https://www.nuget.org/). To add CheckBox to your project, open the NuGet package manager in Visual Studio, search for "[Syncfusion.Xamarin.Buttons.Android](https://www.nuget.org/packages/Syncfusion.Xamarin.Buttons.Android)", and then install it.

![Xamarin.Android CheckBox NuGet](Images/nuget.png)

N>Starting with v16.2.0.x, if you reference Syncfusion<sup>®</sup> assemblies from trial setup or from the NuGet feed, you also have to include a license key in your projects. Please refer to this [link](https://help.syncfusion.com/common/essential-studio/licensing/license-key) to know about registering Syncfusion<sup>®</sup> license key in your Xamarin application to use our components.
N> Starting with v16.2.0.x, if you reference Syncfusion<sup>®</sup> assemblies from trial setup or from the NuGet feed, you also have to include a license key in your projects. Please refer to this [link](https://help.syncfusion.com/common/essential-studio/licensing/license-key) to know about registering Syncfusion<sup>®</sup> license key in your Xamarin application to use our components.

## Create a Simple SfCheckBox
The [`SfCheckBox`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html) control is configured entirely in C# code. The following steps explain how to create a [`SfCheckBox`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html) and configure its elements.

### Add namespace for referred assemblies
### Add Namespace for Referenced Assemblies

{% tabs %}
{% highlight c# %}
using Syncfusion.XForms.Buttons;
{% endhighlight %}
{% endtabs %}

### Refer SfCheckBox control with declared suffix name for Namespace
### Refer SfCheckBox Control with Declared Suffix Name for Namespace

{% tabs %}
{% highlight c# %}
Expand Down Expand Up @@ -58,8 +58,8 @@ namespace SfCheckBox_Sample
{% endhighlight %}
{% endtabs %}

## Setting caption
The check box caption can be defined using the `Text` property of [`SfCheckBox`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html). This caption normally describes the meaning of the check box and it displays next to check box.
## Setting Caption
The CheckBox caption can be defined using the `Text` property of [`SfCheckBox`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html). This caption normally describes the meaning of the CheckBox and displays next to the CheckBox.

{% tabs %}
{% highlight c# %}
Expand All @@ -71,7 +71,8 @@ checkBox.Text = "CheckBox";

![Xamarin.Android CheckBox caption](Images/Caption.png)

## Change the check box state
## Change the CheckBox State

The three visual states of [`SfCheckBox`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html) are:

* Checked
Expand All @@ -80,7 +81,7 @@ The three visual states of [`SfCheckBox`](https://help.syncfusion.com/cr/xamarin

![Xamarin.Android CheckBox states](Images/States.png)

You can change the state of the check box using the [`Checked`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_Checked) property of [`SfCheckBox`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html). In checked state, a tick mark is added to the visualization of check box.
You can change the state of the CheckBox using the [`Checked`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_Checked) property of [`SfCheckBox`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html). In the checked state, a tick mark is added to the visualization of the CheckBox.

<table>
<tr>
Expand All @@ -96,7 +97,7 @@ You can change the state of the check box using the [`Checked`](https://help.syn
</tr>
<tr>
<td>
checked
Checked
</td>
<td>
Checked
Expand All @@ -107,7 +108,7 @@ true
</tr>
<tr>
<td>
unchecked
Unchecked
</td>
<td>
Checked
Expand All @@ -118,7 +119,7 @@ false
</tr>
<tr>
<td>
indeterminate
Indeterminate
</td>
<td>
Checked
Expand All @@ -129,9 +130,9 @@ null
</tr>
</table>

N>For the check box, to report the indeterminate state, set the [`IsThreeState`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_IsThreeState) property to true.
N> For the CheckBox to report the indeterminate state, set the [`IsThreeState`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_IsThreeState) property to `true`.

Check box can be used as a single or as a group. A single check box mostly used for a binary yes/no choice, such as "Remember me?", login scenario, or a terms of service agreement.
CheckBox can be used as a single control or as a group. A single CheckBox is mostly used for a binary yes/no choice, such as "Remember me?", login scenario, or a terms of service agreement.

{% tabs %}
{% highlight c# %}
Expand All @@ -143,7 +144,7 @@ checkBox.Checked = true;

![Xamarin.Android CheckBox tri-state](Images/Agree.png)

Multiple check boxes can be used as a group for multi-select scenarios in which a user chooses one or more items from the group of choices that are not mutually exclusive.
Multiple CheckBoxes can be used as a group for multi-select scenarios in which a user chooses one or more items from the group of choices that are not mutually exclusive.

{% tabs %}
{% highlight c# %}
Expand All @@ -166,11 +167,11 @@ onion.Checked = true;

## Indeterminate

The [`SfCheckBox`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html) allows an indeterminate state in addition to the checked and unchecked state. The indeterminate state of the check box is enabled by setting the [`IsThreeState`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_IsThreeState) property of the control to `True`.
The [`SfCheckBox`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html) allows an indeterminate state in addition to the checked and unchecked states. The indeterminate state of the CheckBox is enabled by setting the [`IsThreeState`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_IsThreeState) property of the control to `true`.

N>When the [`IsThreeState`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_IsThreeState) property is set to `False` and [`Checked`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_Checked) property is set to `null` then the check box will be in unchecked state.
N> When the [`IsThreeState`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_IsThreeState) property is set to `false` and [`Checked`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_Checked) property is set to `null`, then the CheckBox will be in unchecked state.

The indeterminate state is used when a group of sub-choices has both checked and unchecked states. In the following example, the "Select all" checkbox has the [`IsThreeState`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_IsThreeState) property set to `true`. The "Select all" checkbox is checked if all child elements are checked, unchecked if all the child elements are unchecked, and indeterminate otherwise.
The indeterminate state is used when a group of sub-choices has both checked and unchecked states. In the following example, the "Select all" CheckBox has the [`IsThreeState`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_IsThreeState) property set to `true`. The "Select all" CheckBox is checked if all child elements are checked, unchecked if all the child elements are unchecked, and indeterminate otherwise.

{% tabs %}
{% highlight c# %}
Expand Down Expand Up @@ -222,6 +223,6 @@ private void CheckBox_StateChanged(object sender, StateChangedEventArgs e)
{% endhighlight %}
{% endtabs %}

![Xamarin.Android CheckBox intermediate state](Images/Inter1.jpg) ![](Images/Inter2.jpg)
![Xamarin.Android CheckBox intermediate state](Images/Inter1.jpg) ![Xamarin.Android CheckBox intermediate state](Images/Inter2.jpg)

This demo can be downloaded from this [link](https://github.com/SyncfusionExamples/GettingStarted-Sample-in--CheckBox-Android).
N> This demo can be downloaded from this [link](https://github.com/SyncfusionExamples/GettingStarted-Sample-in--CheckBox-Android).
16 changes: 8 additions & 8 deletions xamarin-android/SfCheckBox/Overview.md
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---
layout: post
title: Overview in SfCheckBox for Xamarin.Android platform
description: Learn how to customize the basic features of SfCheckBox
platform: Xamarin.Android
title: Overview of Syncfusion® SfCheckBox for Xamarin.Android Platform
description: Learn how to customize and configure the basic features of Syncfusion SfCheckBox control for enhanced user interface in Xamarin.Android applications.
platform: xamarin.android
control: SfCheckBox
documentation: ug
keywords: button, SfCheckBox, CheckBox

---

# Overview
The check box is a selection control that allows users to select one or more options from a set. The three states of check box are checked, unchecked and indeterminate.
The CheckBox is a selection control that allows users to select one or more options from a set. The three states of CheckBox are checked, unchecked, and indeterminate.

## Key features
## Key Features

* Supports three states.
* Allow users to select and clear the control by tapping.
* Supports check box color, shape and label text customization.
* Allows users to select and clear the control by tapping.
* Supports CheckBox color, shape, and label text customization.

![](Images/CheckBox_Overview.png)
![Xamarin.Android CheckBox Overview](Images/CheckBox_Overview.png)
26 changes: 14 additions & 12 deletions xamarin-android/SfCheckBox/Visual-Customization.md
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---
layout: post
title: Visual customization | SfCheckBox | Syncfusion® | Xamarin.Android
title: Visual Customization | SfCheckBox | Syncfusion® | Xamarin.Android
description: Learn how to customize the SfCheckBox CornerRadius, CheckedColor, UncheckedColor, BorderWidth, and Text.
platform: Xamarin.Android
platform: xamarin.android
control: SfCheckBox
documentation: ug
keywords: button, SfCheckBox, CheckBox
Expand All @@ -11,8 +11,8 @@ keywords: button, SfCheckBox, CheckBox

# Visual Customization

## Customizing shape
The check box shape can be customized using the [`CornerRadius`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_CornerRadius) property. This property specifies uniform radius value for every corner of the check box.
## Customizing Shape
The CheckBox shape can be customized using the [`CornerRadius`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_CornerRadius) property. This property specifies a uniform radius value for every corner of the CheckBox.

{% tabs %}
{% highlight c# %}
Expand All @@ -25,7 +25,8 @@ checkBox.CornerRadius = 5.0f;

![CheckBox CornerRadius](Images/Radius.png)

## Customizing state color
## Customizing State Color

The default state colors can be customized using the [`ButtonTintList`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html) property. The checked/unchecked/indeterminate state color is updated with `ColorStateList` to the [`ButtonTintList`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html).
{% tabs %}
{% highlight c# %}
Expand All @@ -49,14 +50,14 @@ indeterminate.ButtonTintList = new ColorStateList(states, colors);
{% endhighlight %}
{% endtabs %}

![CheckedColor and UncheckedColor in Checkbox](Images/StateColor.png)
![CheckedColor and UncheckedColor in CheckBox](Images/StateColor.png)

## BorderWidth
The border thickness of the tick box in the checkbox can be customized with the [`BorderWidth`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_BorderWidth) property.
## Border Width
The border thickness of the tick box in the CheckBox can be customized with the [`BorderWidth`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html#Syncfusion_Android_Buttons_SfCheckBox_BorderWidth) property.

{% tabs %}
{% highlight c# %}
//unchecked state and its color
// Unchecked state and its color
int[][] states = { new int[] { -Android.Resource.Attribute.StateChecked } };
int[] colors = { Color.Blue};

Expand Down Expand Up @@ -89,13 +90,14 @@ ButtonTintList = new Android.Content.Res.ColorStateList(states, colors)

![CheckBox BorderWidth](Images/BorderWidth.png)

## Setting caption text appearance
## Setting Caption Text Appearance

You can customize the display text appearance of the [`SfCheckBox`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html) control using the following properties:

* [`SetTextColor`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html): Changes the color of the text.
* [`TextAlignment`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html): Changes the horizontal alignment of the caption text.
* [`Typeface`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html): Changes the font family of the text and sets font attributes(bold/italic/none) of the caption text.
* [`TextSize`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html): Sets font size of the caption text.
* [`Typeface`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html): Changes the font family of the text and sets font attributes (bold/italic/none) of the caption text.
* [`TextSize`](https://help.syncfusion.com/cr/xamarin-android/Syncfusion.Android.Buttons.SfCheckBox.html): Sets the font size of the caption text.

{% tabs %}
{% highlight c# %}
Expand Down
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