React native 在onPress HeaderBackButton中找不到变量导航

React native 在onPress HeaderBackButton中找不到变量导航,react-native,react-navigation,react-navigation-stack,React Native,React Navigation,React Navigation Stack,我正在尝试覆盖HeaderBackButton,我已经成功地覆盖了它,但问题是我无法在HeaderBackButton onPress中返回,我无法访问HeaderBackButton onPress中的导航对象 我正在使用这段代码 static navigationOptions = { title: 'Operation Screen', headerLeft: ( <HeaderBackButton onPress={ ()=&

我正在尝试覆盖HeaderBackButton,我已经成功地覆盖了它,但问题是我无法在HeaderBackButton onPress中返回,我无法访问HeaderBackButton onPress中的导航对象

我正在使用这段代码

static navigationOptions = {
    title: 'Operation Screen',
    headerLeft: (
        <HeaderBackButton
            onPress={ ()=>{
                    console.log('HeaderBackButton');
                    // Do some custom stuff
                    navigation.goBack();
                }}
        />
    )
};

把它定义为一个函数。您可以将导航作为参数

static navigationOptions = ({ navigation }) => {
    return {
        title: 'Operation Screen',
        headerLeft: (
            <HeaderBackButton
                onPress={() => {
                        console.log('HeaderBackButton');
                        // Do some custom stuff
                        navigation.goBack();
                    }}
            />
        )
    }
}

错误是什么?@GauravRoy无法找到变量导航,下面给出的解决方案有效