Creating a flutter app that features a vertical line separating the first letter of each text widget's children within a ListView.builder

I am trying to design a user interface similar to the example below, where the initial character of each Text widget within a ListView's children is linked by a vertical line. If any of the items in that ListView have sub-children, the vertical lines should be connected by a horizontal line like shown in the image.

https://i.stack.imgur.com/pMMuw.png

Answer №1

I have taken your image and added some guidelines to help you break down this UI. Check out this blog post for further examples. I will then discuss specific Widget choices.

https://i.stack.imgur.com/AbCdE.png

To start, consider organizing it into rows within a ListView. The main red lines indicate this structure. You could potentially group the heading with related subrows like "BLT Sandwich," "With Remove," and "Note" under one widget.

Each row can be divided into three sections:

  • The left side can display the item quantity or custom grey lines for sub-rows using a combination of Column, Divider, or a CustomPaint widget.
  • The middle part showcases the main content, which could be text or grouped widgets like "With Remove" and "Note" rows structured with Row and Column widgets.
  • The right portion may remain empty or display the price.

Remember that this is just one approach. Depending on the types of rows you have and personal preferences, you can adjust how elements are grouped. Your grouping choices will impact design options, but this method should offer flexibility :)

Answer №2

To quickly resolve your issue, include the specified module in your pubspec.yaml file.

After adding the dependency mentioned above, you will see the following output :

https://i.stack.imgur.com/QrL0W.png

I trust this solution proves beneficial to you. Enjoy your progress.

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