我正在尝试不同的方式来显示一个基于状态的条件按钮,但是我总是遇到麻烦。我有一个app.js,它定义了堆栈导航器,它向标头添加了一个按钮,提供了如果经过身份验证就注销的选项。
我编写了一个应该执行此操作的handleLogout函数。
import React from 'react';
import { Button, Image, View, Text } from 'react-native';
import firebase from 'react-native-firebase';
import Loading from './L
我正在构建底层选项卡导航从react导航v6反应本地移动应用程序,但遇到了一个错误。
ERROR TypeError: undefined is not a function
This error is located at:
in MaybeScreenContainer (created by BottomTabView)
in RNCSafeAreaProvider (created by SafeAreaProvider)
in SafeAreaProvider (created by SafeAreaInsetsContext)
in SafeA