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Flutter 32 - Slider and Progress indicator Video Lecture | Flutter: Build beautiful native apps in record time - App Development

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FAQs on Flutter 32 - Slider and Progress indicator Video Lecture - Flutter: Build beautiful native apps in record time - App Development

1. What is the purpose of a slider in app development?
Ans. A slider in app development is used to allow users to select a value from a range of values by sliding a thumb along a track. It is commonly used for settings, volume controls, and selecting a value within a range.
2. How can I add a slider in my Flutter app?
Ans. To add a slider in a Flutter app, you can use the Slider widget provided by the Flutter framework. You can specify the minimum and maximum values, and handle the onChanged callback to get the selected value.
3. Can I customize the appearance of a slider in Flutter?
Ans. Yes, you can customize the appearance of a slider in Flutter. The Slider widget provides properties like activeColor, inactiveColor, thumbColor, and trackHeight to customize the colors and size of the slider. You can also use a custom widget as a thumb by setting the thumbShape property.
4. How can I display the selected value of a slider in Flutter?
Ans. To display the selected value of a slider in Flutter, you can use the onChanged callback of the Slider widget. Inside the callback, you can update a variable with the selected value and use it to display the value in the UI, such as using a Text widget.
5. What is the purpose of a progress indicator in app development?
Ans. A progress indicator in app development is used to visually indicate the progress of a task or process. It can be used to show loading, file upload progress, or any other task that takes a significant amount of time. In Flutter, the CircularProgressIndicator widget can be used to display a circular progress indicator.
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Flutter 32 - Slider and Progress indicator Video Lecture | Flutter: Build beautiful native apps in record time - App Development

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