install react native vector icons code example

Example 1: install react-native-vector-icons/ionicons

npm i react-native-vector-icons

Example 2: react native vector icon

import Icon from 'react-native-vector-icons/FontAwesome';
const myIcon = <Icon name="rocket" size={30} color="#900" />;

Example 3: icon shwoing a box react native vector icons

In 'android/app/build.gradle' (not in android/build.gradle),

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

Then,
react-native link react-native-vector-icons 
react-native run-android
react-native start

Example 4: react native vector icons

Following steps will help add vector icons to use in react-native cli
1-npm install --save react-native-vector-icons
2-Edit android/app/build.gradle : (add below code)
    apply from: "../../node_modules/react-native-vector-icons/fonts.gradle"
3-Edit android/app/build.gradle : (add below code to dependencies)
    dependencies {
    ...
    compile project(':react-native-vector-icons')
}
4-run following command from project root directory
npm install
5-start project again
6-run project in android with following command
npx react-native run-android

Example 5: vector icons react native

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