Leading icon vs trailing icon

1. Should button icons be on the left or right?
2. Should icon be to the right or left of text?
3. How do I add an icon to Textbutton flutter?

Should button icons be on the left or right?

Icons visually communicate the button's action and help draw attention. They should be placed on the leading side of the button, before the label text. check Do Place the icon to the left of the label in buttons with text in left-to-right languages.

Should icon be to the right or left of text?

Align to left

(+) No unnecessary gap between icon and text. (+) Makes a good feel because of the similarity with list apperance where bullets are similar to icons.

How do I add an icon to Textbutton flutter?

The simplest way to create a button with icon and text in Flutter is to use the new Material button called ElevatedButton with an icon constructor. ElevatedButton. icon() gives you the ability to add the icon and label parameter to the button. The ElevatedButton was introduced with the release of Flutter v1.