Change your theme file to set FontAwesome as the default Icon font-family.

Please keep in mind to import the theme file and use it as shown in the screenshot.
Which was the reason of not setting the icon family using a property on the Icon component ? I see there is a pull request #1319 opened for this right now.
@sankhadeeproy007
If I don't want to change at the mainThemeFile. So how to change iconFamily at <Icon /> component ?
I've try to <Icon someProps /> and still not works
@godoakbrutal At this point it's not possible but there is an open merge request about this here: #1319
<Icon name="flash-off" type="MaterialIcons" />
type depend on Bundled Icon Sets
Bundled Icon Sets
Entypo
EvilIcons
Feather
FontAwesome
Foundation
Ionicons
MaterialIcons
MaterialCommunityIcons
Octicons
Zocial
SimpleLineIcons
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<Icon name="flash-off" type="MaterialIcons" />type depend on Bundled Icon Sets
Bundled Icon Sets
Entypo
EvilIcons
Feather
FontAwesome
Foundation
Ionicons
MaterialIcons
MaterialCommunityIcons
Octicons
Zocial
SimpleLineIcons