1.安裝

npm install --save react-native-vector-icons
or 
yarn add react-native-vector-icons

2.配置

2.1.IOS配置

修改info.plist新增

<key>UIAppFonts</key>
<array>
  <string>AntDesign.ttf</string>
  <string>Entypo.ttf</string>
  <string>EvilIcons.ttf</string>
  <string>Feather.ttf</string>
  <string>FontAwesome.ttf</string>
  <string>FontAwesome5_Brands.ttf</string>
  <string>FontAwesome5_Regular.ttf</string>
  <string>FontAwesome5_Solid.ttf</string>
  <string>Foundation.ttf</string>
  <string>Ionicons.ttf</string>
  <string>MaterialIcons.ttf</string>
  <string>MaterialCommunityIcons.ttf</string>
  <string>SimpleLineIcons.ttf</string>
  <string>Octicons.ttf</string>
  <string>Zocial.ttf</string>
  <string>Fontisto.ttf</string>
</array>

在ios目錄執行pod install

2.2.Android配置

修改android/app/build.gradle在第二行新增

apply from: "../../node_modules/react-native-vector-icons/fonts.gradle"

3.使用

開啟https://oblador.github.io/react-native-vector-icons/找到自己需要的icon，引入自己的工程即可

import FontAwesome5 from 'react-native-vector-icons/FontAwesome5';

<FontAwesome5
    name={'microphone'}
    size={30}
 />

在mac中遇到了問題，通過這個解決了，轉載自https://www.cnblogs.com/dch0/p/13383877.html