Responsive layout patterns in Flutter - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is a responsive layout in Flutter?

A responsive layout in Flutter adjusts the UI automatically to look good on different screen sizes and orientations, like phones and tablets.

beginner

Which Flutter widget helps to get the current screen size for responsive design?

The MediaQuery widget provides information about the size and orientation of the screen, helping to build responsive layouts.

intermediate

How does the LayoutBuilder widget assist in responsive layouts?

LayoutBuilder gives the constraints of its parent widget, so you can build different UI depending on available space.

intermediate

What is the role of the Flexible and Expanded widgets in responsive layouts?

They help child widgets grow or shrink to fill available space inside a Row or Column, making layouts adapt smoothly.

beginner

Why is it important to test Flutter apps on multiple screen sizes?

Because devices have different screen sizes and shapes, testing ensures the app looks good and works well everywhere.

Which widget provides screen size info for responsive design in Flutter?

A MediaQuery

B Container

C Scaffold

D Text

MediaQuery gives screen size and orientation info, essential for responsive layouts.

What does LayoutBuilder provide to help build responsive UI?

A Parent widget constraints

B Device battery status

C Network connection info

D User input events

LayoutBuilder provides the size constraints from its parent, so you can adapt the UI accordingly.

Which widgets help children fill available space flexibly in a Row or Column?

A Padding and Margin

B Flexible and Expanded

C Text and Icon

D Stack and Positioned

Flexible and Expanded control how children grow or shrink inside flex layouts.

Why should you test your Flutter app on different screen sizes?

A To check battery usage

B To verify network speed

C To ensure UI adapts and looks good everywhere

D To test app permissions

Testing on various screen sizes ensures your app is usable and visually pleasing on all devices.

Which Flutter widget is NOT typically used for responsive layouts?

A MediaQuery

B LayoutBuilder

C Expanded

D TextField

TextField is for user input, not for controlling layout responsiveness.

Explain how you would use MediaQuery and LayoutBuilder together to create a responsive Flutter layout.

Think about checking screen width and adapting widget sizes or layout accordingly.

Describe the difference between Flexible and Expanded widgets and when to use each in responsive design.

Consider how children grow inside Row or Column.