Expo Vector Iconsを使う（SVGアイコン）

npm i @expo/vector-icons

import AntDesign from '@expo/vector-icons/AntDesign';
import { SafeAreaView } from 'react-native-safe-area-context';
 
const App = () => {
  return (
    <SafeAreaView
      style={{ flex: 1, justifyContent: 'center', alignItems: 'center' }}
    >
      <AntDesign name="checkcircle" size={24} color="black" />
    </SafeAreaView>
  );
};
 
export default App;

import AntDesign from '@expo/vector-icons/AntDesign';
import { SafeAreaView } from 'react-native-safe-area-context';
 
const App = () => {
  return (
    <SafeAreaView
      style={{ flex: 1, justifyContent: 'center', alignItems: 'center' }}
    >
      <AntDesign.Button
        name="checkcircle"
        size={24}
        color="white"
        backgroundColor={'green'}
        onPress={() => console.log('Button Pressed')}
      >
        Press Me
      </AntDesign.Button>
    </SafeAreaView>
  );
};
 
export default App;