小编Bhu*_*ngh的帖子

尝试在 React Native 应用程序中创建一个 BottomTabNavigtor。这是我的导航器代码。

import { createAppContainer } from "react-navigation";
import { createStackNavigator } from "react-navigation-stack";
import { createBottomTabNavigator } from '@react-navigation/bottom-tabs';
import { Platform } from "react-native";

import CategoriesScreen from "../screens/CategoriesScreen";
import CategoryMealScreen from "../screens/CategoryMealScreen";
import MealDetailScreen from "../screens/MealDetailScreen";
import FavoritesScreen from "../screens/FavoritesScreen";
import Colors from "../constants/colors";

const MealsNavigator = createStackNavigator(
  {
    Categories: {
      screen: CategoriesScreen,
      navigationOptions: {
        title: "Meal Categories"
      }
    },
    CategoryMeals: {
      screen: CategoryMealScreen
    },  MealDetail: MealDetailScreen
  },
  {
    defaultNavigationOptions: {
      headerStyle: {
        backgroundColor: Platform.OS …