Flutter

It's typical behavior that the multiple rows can be selected by the control key or shift key on a Desktop application. How can we implement it in Flutter? Use KeyboardListener to detect the key event. Then, control the selection depending on whether the key is being pressed or not.

When showing data on DataTable, we might want to have a feature that deletes selected rows by pressing a Delete key. How is it possible? Use KeyboardListener.I will show you where to put the widget and how to use it in this post.

How can we show the selected area on a slider widget? Using Stack is one of the solutions but it's necessary to consider the padding value to show the selected area accurately. Let's learn how to do it!

If the size and position of a widget need to be automatically determined by the Framework, a variable can't be used to know them for another widget. How can we get the width, height, x, and y positions in this case? Use GlobalKey.

It's better to make the column width resizable if the text in a DataTable is long. This post explains how to do it without any extra package installation. Watch my sample video to check whether the behavior matches your needs.

DataTable and DataRow don't offer onDoubleTap. How can we implement onDoubleTap event in DataTable widget? You don't have to install another package!

There are many packages in pub.dev for date time picker but Flutter offers beautiful date and time pickers. We actually...

Are you looking for a way to show time in 24 hours format e.g. 13:35? Let's define an extension for TimeOfDay. You can use it everywhere once you define it.

If text style needs to be applied to a Text widget, it's easy to apply but if there are many widgets we don't want to a...

I wanted to show a graph for my application, so I looked for some tools and found a great tool called fl_chart. I tried...