Lynx
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      • SystemInfo

      SystemInfo is a plain JavaScript object that contains information of the current system.

      Syntax

      declare const SystemInfo: {
  /**
   * The version of the Lynx Engine.
   *
   * @example '3.2'
   */
  readonly engineVersion: string;

  /**
   * The version of the Lynx Engine.
   * @example '3.2'
   * @deprecated Use `SystemInfo.engineVersion` instead
   */
  readonly lynxSdkVersion: string;

  /**
   * The current operating system version.
   */
  readonly osVersion: string;

  /**
   * The physical pixel height of the real device.
   */
  readonly pixelHeight: number;

  /**
   * The physical pixel width of the real device.
   */
  readonly pixelWidth: number;

  /**
   * The physical pixel ratio of the main screen.
   */
  readonly pixelRatio: number;

  /**
   * The platform of the current device.
   */
  readonly platform: 'Android' | 'iOS' | 'macOS' | 'windows' | 'headless';

  /**
   * The JavaScript engine currently used.
   * @note Not avaliable in lepus
   */
  readonly runtimeType: 'v8' | 'jsc' | 'quickjs';
};

      Fields

      engineVersion

      The Lynx Engine version, in format major.minor.

      E.g.: 3.2.

      lynxSdkVersion

      The Lynx Engine version, in format major.minor.

      E.g.: 3.2.

      osVersion

      A string representing the current version of the operating system.

      iOS
      Android

      systemVersion | Apple Developer Documentation

      [[UIDevice currentDevice].systemVersion UTF8String]

      pixelHeight

      The absolute height of the available display size in pixels.

      iOS
      Android

      UIScreen | Apple Developer Documentation

      CGSize screenSize;
if (!CGSizeEqualToSize(builder.screenSize, CGSizeZero)) {
  screenSize = builder.screenSize;
} else {
  screenSize = [UIScreen mainScreen].bounds.size;
}
const CGFloat scale = [UIScreen mainScreen].scale;
// highlight-next-line
const CGFloat pixelHeight = screenSize.height * scale;

      pixelWidth

      The absolute width of the available display size in pixels.

      iOS
      Android

      UIScreen | Apple Developer Documentation

      CGSize screenSize;
if (!CGSizeEqualToSize(builder.screenSize, CGSizeZero)) {
  screenSize = builder.screenSize;
} else {
  screenSize = [UIScreen mainScreen].bounds.size;
}
const CGFloat scale = [UIScreen mainScreen].scale;
// highlight-next-line
const CGFloat pixelWidth = screenSize.width * scale;

      pixelRatio

      The natural scale factor associated with the screen.

      iOS
      Android

      UIScreen | Apple Developer Documentation

      const CGFloat pixelRatio = [UIScreen mainScreen].scale;

      platform

      The platform of the current device.

      Candidate values:

      1. iOS
      2. Android
      3. macOS
      4. windows

      runtimeType

      The JavaScript engine currently used.

      Info

      This is only avaliable in the background thread.

      Candidate values:

      1. quickjs
      2. jsc
      3. v8

      See JavaScript Environment for more details.

      Compatibility

      LCD tables only load in the browser

      Except as otherwise noted, this work is licensed under a Creative Commons Attribution 4.0 International License, and code samples are licensed under the Apache License 2.0.