我只是想根据Tab导航器的项目是否集中,有条件地显示标签。我可以像这样改变图标的色调。
tabBarIcon: ({ focused }) => {
const icon = <Image
style={{
width: 25,
height: 25,
tintColor: focused ? colors.primary : colors.inactive
}}
source={require('./assets/account.png');}
/> ;
return icon
但是基于同样的道具有条件地改变showLabel的布尔值就不行了?
tabBarOptions={{
activeTintColor: colors.primary,
inactiveTintColor: colors.inactive,
showLabel: ({ focused }) => {
return focused ? true : false
},
标签出现在Tab栏的所有项目上。
任何帮助感激不尽
想通了。
<Tab.Navigator
screenOptions={({ route }) => ({
tabBarLabel: ({ focused }) => {
return <Text style={{fontSize: 14, fontWeight: '600', color: colors.primary}}>{focused ? route.name : ""}</Text>
},
tabBarIcon: ({ focused }) => {
let iconSource;
if (route.name === 'Map') {
iconSource = require('./assets/public.png');
} else if (route.name === 'List') {
iconSource = require('./assets/numbered.png');
} else if (route.name === 'Log') {
iconSource = require('./assets/menu.png');
} else if (route.name === 'Talk') {
iconSource = require('./assets/chat.png');
} else if (route.name === 'Account') {
iconSource = require('./assets/account.png');
}
const icon = <Image
style={{
width: 25,
height: 25,
tintColor: focused ? colors.primary : colors.inactive,
marginTop: focused ? 5 : 15
}}
source={iconSource}
/> ;
return icon
},
})}
>