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fix speech to text kb article #1226

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Aug 13, 2025
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fix speech to text kb article #1226

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25 changes: 13 additions & 12 deletions knowledge-base/speechtotextbutton-language-support.md
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Expand Up @@ -10,22 +10,22 @@ res_type: kb

## Environment

| Version | Control | Author |
| ------- | ------- | ------ |
| SpeechToTextButton for .NET MAUI | [Dobrinka Yordanova](https://www.telerik.com/blogs/author/dobrinka-yordanova) |
| Control | Author |
| ------- | ------ |
| SpeechToTextButton for .NET MAUI | [Dobrinka Yordanova](https://www.telerik.com/blogs/author/dobrinka-yordanova) |

## Description

This article explains how to check the supported languages for the SpeechToTextButton in .NET MAUI and how to set them.

## Solution

Here is an example of how to check the supported languages for the SpeechToTextButton in .NET MAUI. For the demo we will use
Here is an example of how to check the supported languages for the SpeechToTextButton in .NET MAUI. For the demo, we will use:
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"We" and "our" should be avoided in documentation.

* An Editor for displaying the recognized text.
* Entry for setting the language.
* Label for displaying whether the language is supported or not.
* An Entry for setting the language.
* A Label for displaying whether the language is supported or not.

**1.** Define the `RadSpeechToTextButton` control in XAML.
**1.** Define the `RadSpeechToTextButton` control in XAML:

```XAML
<Grid RowDefinitions="Auto, *, 4*">
Expand All @@ -43,7 +43,7 @@ Here is an example of how to check the supported languages for the SpeechToTextB
</Grid>
```

**2.** In the code-behind, handle the `TextChanged` event of the Entry to check if the entered language is supported.
**2.** In the code-behind, handle the `TextChanged` event of the Entry to check if the entered language is supported:

```C#
private void EntryLanguage_TextChanged(object sender, Microsoft.Maui.Controls.TextChangedEventArgs e)
Expand All @@ -67,10 +67,11 @@ private static bool IsLanguageSupported(string languageTag)
try
{
#if ANDROID
//// There is no programmatic way to check if a language is supported on Android but most languages are.
//// https://cloud.google.com/speech-to-text/docs/speech-to-text-supported-languages
// There is no programmatic way to check if a language is supported on Android, but most languages are.
// For a complete list, see: https://cloud.google.com/speech-to-text/docs/speech-to-text-supported-languages
return true;
#elif IOS
var locale = Foundation.NSLocale.FromLocaleIdentifier(languageTag);
var locale = Foundation.NSLocale.FromLocaleIdentifier(languageTag);
var localSpeechRecognizer = new Speech.SFSpeechRecognizer(locale);
localSpeechRecognizer.Dispose();
#elif WINDOWS
Expand All @@ -87,7 +88,7 @@ private static bool IsLanguageSupported(string languageTag)
}
```

**3.** Handle the SpeechToTextButton's `SpeechRecognized` event to display the recognized text in the Editor.
**3.** Handle the SpeechToTextButton's `SpeechRecognized` event to display the recognized text in the Editor:

```C#
private void SpeechToTextButton_SpeechRecognized(object sender, SpeechRecognizerSpeechRecognizedEventArgs args)
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