import React from 'react';import { Platform, PlatformColor, StyleSheet, Text,
  View} from 'react-native';const App = () => (
  <View style={styles.container}>
    <Text style={styles.label}> I am a special label color!</Text>
  </View>);const styles = StyleSheet.create({
  label: {
    padding: 16,
    ...Platform.select({
      ios: {
        color: PlatformColor('label'),
        backgroundColor:
          PlatformColor('systemTealColor'),
      },
      android: {
        color: PlatformColor('?android:attr/textColor'),
        backgroundColor:
          PlatformColor('@android:color/holo_blue_bright'),
      },
      default: { color: 'black' }
    })
  },
  container: {flex: 1, alignItems: 'center', justifyContent: 'center'}});export default App;