How To Customize Flutter SizedBox Widget

In this Flutter post, we will be understanding what Flutter SizedBox is and customize it with the help of a simple but proper Flutter example code. After reading this post, you will have a complete practical knowledge of how to use and customize Flutter SizedBox in Flutter apps.

Outline

1. What is Flutter SizedBox Widget?
2. Implementing Flutter SizedBox(Multiple Examples)
3. Example 1: Flutter Container Wrapped With Flutter SizedBox Widget
4. Example 2: Flutter SizedBox Widget Between Two Flutter Container Widgets
5. Flutter SizedBox Widget Implementation Source Code
6. Conclusion

What is Flutter SizedBox Widget?

See the below list to understand what Flutter SizedBox widget is:

• Flutter SizedBox is as the names suggests, it is a widget in Flutter.
• Its size can be customized.
• It can be used to give its child widget the size that Flutter SizedBox will specify for them.
• It can be used to create a distance between two Flutter widgets.

Enough with the theory part, I know its boring for you. So why not understand it using practical Flutter examples.

Implementing Flutter SizedBox(Multiple Examples)

First see how to define Flutter SizedBox widget. See the below steps:

• Use the SizedBox() widget class to implement it.
• Use its height constructor to specify vertical space that Flutter SizedBox will cover.
• Width constructor is used to provide horizontal space.
• Use its child constructor to pass a child widget to this Flutter SizedBox.

Let’s now see some simple example of how to use Flutter SizedBox properly. **Continue reading…**