4

目前在我正在构建的 react-native 应用程序中,我有一个包含两个屏幕的 Drawer Navigator。对于导航,我使用的是 react-navigation。 https://reactnavigation.org/docs/intro/

代码如下,

import { DrawerNavigator } from 'react-navigation'
export  default drawernav = DrawerNavigator(
     {
        Login: {Screen: Login},
        Main : {Screen: Main }
     }
) 

尽管登录位于抽屉导航器中,但我希望登录屏幕没有抽屉导航功能,但主屏幕将登录和主屏幕作为抽屉导航器中的两个选项。但是,现在登录屏幕也有抽屉导航器。有没有办法让登录抽屉导航功能消失?

4

3 回答 3

1

请参考以下帖子,这非常有帮助。 https://github.com/react-navigation/react-navigation/issues/131。有许多方法被建议。kyaroru 提供了一个完整的工作示例,如下所示: https ://github.com/kyaroru/ReactNavDrawer 。

下面是一个更简单的例子:

应用程序.js

import React from 'react';
import { createStackNavigator , createDrawerNavigator } from 'react-navigation';
import LoginScreen from './LoginScreen';
import SignupScreen from './SignupScreen';
import HomeScreen from './HomeScreen';
import DrawerButton from './DrawerButton';
import SettingScreen from './SettingScreen';

const StackNavigator = createStackNavigator ({

  Login: {
    screen: LoginScreen,
  },

  Signup: {
    screen: SignupScreen,
  },  

  Home: {
    screen: HomeScreen,
  },

  Sitting: {
    screen: SettingScreen,
  },    

}, 
{
      navigationOptions: ({navigation}) => ({
        headerLeft: <DrawerButton navigation={navigation} />,
      }),
}
);

const DrawerNavigator = createDrawerNavigator({
  Menu: {
     screen: StackNavigator,
  },

  Signup: {
    screen: SignupScreen,
  },  

  Sitting: {
    screen: SettingScreen,
  },  

});

export default DrawerNavigator;

抽屉按钮.js

import React from 'react';
import { TouchableOpacity, Platform } from 'react-native';
import Ionicons from 'react-native-vector-icons/Ionicons';
import PropTypes from 'prop-types';


const DrawerButton = ({ navigation }) => (
  <TouchableOpacity
    onPress={() => navigation.openDrawer()}
  >
    <Ionicons name={Platform.OS === 'ios' ? 'ios-menu' : 'md-menu'} size={28}  />
  </TouchableOpacity>
);


DrawerButton.propTypes = {
  navigation: PropTypes.object.isRequired,
};

export default DrawerButton;
于 2018-09-29T07:50:04.370 回答
0

由于您不希望登录屏幕中出现抽屉,因此请使用此流程

import { DrawerNavigator, createStackNavigator } from 'react-navigation'
const drawernav = DrawerNavigator(
     {
        Main : {Screen: Main }
     }
);

const stack = createStackNavigator(
    {
      Login: {Screen: Login},
      drawer: {screen: drawernav},
    }
);

export default stack;

并且将来您要添加屏幕,那么如果屏幕需要抽屉,则该屏幕必须放置在抽屉导航器中,而不需要抽屉的屏幕则应放置在堆栈导航器中。

于 2018-09-29T12:24:31.983 回答
0

你会想要改变你的导航结构。根应该是 aStackNavigator其中将包含LoginScreen, 和DrawerNavigator. 中的屏幕DrawerNavigator可能是StackNavigators。这些StackNavigators 将包含带有您的代码的屏幕组件。

于 2017-10-07T19:43:06.683 回答