Squirrel – Enable scrolling in the Xcode Simulator

Pronounced: Scroll-Wheel.

A menu bar app that adds scrolling to the simulator.

• For some reason, you can’t scroll in Xcode’s simulator.
• This app enables scrolling again!
• Features: customizable settings, made with SwiftUI, and a cute squirrel.

Installation

You can download Squirrel on the App Store.

Alternatively, get the ZIP file, or use Homebrew:

brew install hkamran80/things/squirrel-for-simulator

Note: Squirrel requires macOS Big Sur (11.0) or higher.

Notes

• Press ESC to stop scrolling in case something bugs out.
• Trackpad support is currently unstable, but most scroll wheels / mice should work.
• Customization Reference – General:
  • Enabled – whether Squirrel is active.
  • Natural Scrolling – toggles the scroll direction.
  • Pointer Color – the color of the cursor pointer.
  • Pointer Size – the length of the pointer.
  • Pointer Opacity – the opacity.
  • Pointer Scale – scale the pointer by this when scrolling starts.
• Customization Reference – Advanced:
  • Launch Simulator On Startup – launch the Simulator when Squirrel starts.
  • Quit If Simulator Is Closed – auto-quit the app when the Simulator isn’t active.
  • Scroll Steps – how many iterations to get to the final scroll value.
  • Inactivity Timeout – how many seconds to wait before stopping scroll.
  • Scroll Interval – how often to execute a scroll step.
  • Top Inset – top insets to cancel out simulator bezels. Only allow scrolling when the cursor falls inside the inset frame.
  • Left Inset – same as above for the left side.
  • Right Inset – same as above for the right side.
  • Bottom Inset – same as above for the bottom side.
  • Simulator Location – the file path of the simulator, for Launch Simulator on Startup.
  • Simulator Check Frequency – how often to check if the simulator is alive, for Quit If Simulator Is Closed.
  • Max Height – the maximum height of the menu popover.
  • Menu Width – the width of the menu popover.

Community

How does it work?

Squirrel uses your Mac’s accessibility controls to simulate a “drag” gesture.

Apple, if you’re reading this:

Please add native scroll support to the Simulator! Feels like such a small feature but it’ll be very welcome.

Squirrel on GitHub: https://github.com/aheze/Squirrel
Platform: iOS
⭐️: 562