Working with Device Features

import * as Device from 'expo-device';

export default function App() {
  const deviceName = Device.deviceName;

  return (
    <View style={styles.container}>
      <Text>Device Name: {deviceName}</Text>
    </View>
  );
}

import { Device } from 'expo-device';

const deviceType = Device.deviceType;
console.log(deviceType); // "phone", "tablet", or "desktop"

import { Constants } from "expo";

const osVersion = Constants.systemVersion;
console.log("OS Version:", osVersion);

if (osVersion >= "14.0") {
  console.log("Running on iOS 14+");
} else {
  console.log("Running on older iOS version");
}

import { Device } from 'expo-device';

console.log(Device.brand); // "Apple"
console.log(Device.model); // "iPhone 14"

import { Device } from 'expo-device';

console.log(Device.isDevice); // true if on physical device
console.log(Device.modelName); // "iPhone 14 Pro"
console.log(Device.osVersion); // "16.0"
console.log(Device.isTablet); // true if on iPad or similar

import { Constants } from "expo";

if (Constants.isDevice) {
  console.log("Running on a physical device");
} else {
  console.log("Running in an emulator or simulator");
}

import { Constants } from "expo";

const platform = Constants.platform;
console.log("Platform: ", platform); // "android", "ios", or "web"

import * as Application from 'expo-application';

const version = Application.nativeApplicationVersion;
console.log('App Version:', version);

import * as Brightness from 'expo-brightness';

await Brightness.setBrightnessAsync(0.5); // Sets brightness to 50%

import * as Brightness from 'expo-brightness';

const brightness = await Brightness.getBrightnessAsync();
console.log(brightness); // Logs current brightness level (0.0 to 1.0)

import { keepAwake } from 'expo-keep-awake';

// Keep the screen awake
keepAwake(true);

// Or keep it awake only during a specific operation
setTimeout(() => {
  keepAwake(false);
}, 5000);

import * as ScreenCapture from 'expo-screen-capture';

ScreenCapture.preventScreenCaptureAsync();

import * as Notifications from 'expo-notifications';

Notifications.setBadgeCountAsync(5);