Weird dot appears when I use JS expression in JSX on Android
It's working fine on iOS

I've used these packages
"native-base": "^2.3.1",
"react": "16.0.0-alpha.12",
"react-native": "0.47.2"
Dots disappear if uppercase is passed as false.This happens because the Text takes uppercase prop from Button component where its default value is true
Try this
<Footer>
<FooterTab style={{ backgroundColor: "#FFFFFF" }}>
<Button />
<Button>
<Text uppercase={false}>
{5 + 1} of {6}
</Text>
</Button>
<Button />
</FooterTab>
</Footer>
@napatwongchr Fixed in version 2.3.3