React native 如何在选项卡栏(反应导航)中动态更改activeTintColor?
我正在我的应用程序中使用React native 如何在选项卡栏(反应导航)中动态更改activeTintColor?,react-native,react-navigation,React Native,React Navigation,我正在我的应用程序中使用react导航,我想知道如何动态更改选项卡栏中的activeTintColor 我有这样的代码,但它不会改变activeTintColor: static navigationOptions = ({ navigation, screenProps }) => ({ actionButton: { title: _('create'), icon: 'plus', onPress: () => navigatio
react导航
,我想知道如何动态更改选项卡栏中的activeTintColor
我有这样的代码,但它不会改变activeTintColor:
static navigationOptions = ({ navigation, screenProps }) => ({
actionButton: {
title: _('create'),
icon: 'plus',
onPress: () => navigation.navigate('EventCreate')
},
tabBarLabel: _('calendar'),
tabBarIcon: ({focused}) => <Icon featherName="calendar" active={focused}/>,
tabBarOptions: { activeTintColor:'red'}
})
静态导航选项=({navigation,screenProps})=>({
操作按钮:{
标题:((“创建”),
图标:“加号”,
onPress:()=>navigation.navigate('EventCreate')
},
tabBarLabel:((“日历”),
tabBarIcon:({focused})=>,
选项卡选项:{activeTintColor:'red'}
})
您可以通过标记自定义选项卡栏组件来完成此操作
自定义选项卡栏组件可以访问这些
导航状态对象的定义如中所示
import { TabNavigator } from 'react-navigation';
const TabBar = TabNavigator.Presets.Default.tabBarComponent
const CustomTabBar = ({...props}) => {
props.activeTintColor = //... change the color based on screen navigation state
return <TabBar {...props} />
}
const CustomTabs = TabNavigator(
{
// ...Screens
},
{
tabBarComponent: CustomTabBar,
},
);