import React from "react";import { Button, PermissionsAndroid, SafeAreaView, StatusBar,
                                               StyleSheet, Text, View } from "react-native";const requestCameraPermission = async () => {
  try {
    const granted = await PermissionsAndroid.request(
      PermissionsAndroid.PERMISSIONS.CAMERA,
      {title: "Cool Photo App Camera Permission",
        message:
          "Cool Photo App needs access to your camera " +
          "so you can take awesome pictures.",
        buttonNeutral: "Ask Me Later",
        buttonNegative: "Cancel",
        buttonPositive: "OK"});
    if (granted === PermissionsAndroid.RESULTS.GRANTED) {
      console.log("You can use the camera");
    } else { console.log("Camera permission denied");}
  } catch (err) {
    console.warn(err);
  }};const App = () => (
  <View style={styles.container}>
    <Text style={styles.item}>Try permissions</Text>
    <Button title="request permissions" onPress={requestCameraPermission} />
  </View>);const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: "center",
    paddingTop: StatusBar.currentHeight,
    backgroundColor: "#ecf0f1",
    padding: 8
  },
  item: {
    margin: 24,
    fontSize: 18,
    fontWeight: "bold",
    textAlign: "center"
  }});export default App;