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LogicalResolution

A way to detect logical device resolution, and if Display Zoom is enabled on iOS devices.

LogicalResolution Header

About

LogicalResolution provides a way to output the logical device resolution, and determine if Display Zoom is enabled on an iOS device (Settings > Display & Brightness > Display Zoom on some devices).

Whilst users may have larger screened devices such as the iPhone 6, 7 or 8 with a default logical resolution of 375X667, they may have Display Zoom enabled, which would reduce the logical resolution to 320X568 (the same as the iPhone 5S/SE).

Features

  • Returns text output of logical resolution eg. 320X568.
  • Returns true if Display Zoom is enabled.
  • Returns logical height.
  • Returns logical width.

Requirements

  • iOS 9.0+
  • Xcode 9.0+

Installation

To install, simply add LogicalResolution.h & LogicalResolution.m files to your project.

Usage

There followimg methods are available.

// @return NSString eg. 320X568.
+ (NSString *)logicalResolution;

// @return true if zoomed, false if standard.
+ (bool)isDisplayZoomed;

// @return double eg. 568.0
+ (double)logicalHeight;

// @return double eg. 320.0
+ (double)logicalWidth;

License

LogicalResolution is available under the MIT license. See the LICENSE file for more info.