How to Disable the Home Key

How to disable the home key

Use this method to disable the Home key in android

@Override
public void onAttachedToWindow() {
    this.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD);
    super.onAttachedToWindow();
}

How to disable arrow keys, home key and end key in ag-grid as navigation?

You can implement your own custom navigation:

https://www.ag-grid.com/javascript-grid-keyboard-navigation/#example-custom-navigation

how to Disable special keyboard keys?

TL;DR  To disable all "special keys" you could change the Human Interface Device Access Windows service startup type from Automatic to Manual (or Disabled in case there is some other software installed that causes it to still start when set to Manual). Caution: this may break other input devices if present, such as IR remote controls, or Airplane mode radio management.

For background, those "special keys" are technically called "consumer control buttons (CCB)" (see for example Keyboard Enhancements in Windows 8 and the linked .docx - nevermind that CCBs long predate Windows 8).

The CCBs are handled by the Human Interface Device Access Windows service, as described at Human Interface Device Access:

This service provides generic access to specific functions contained within controls collections on HID (Human Interface Devices). It enables the use of predefined hot buttons on keyboards, remote controls and other multimedia devices.

If the service is stopped or disable, the buttons on USB keyboards will not function (i.e., back, forward, volume up, down, previous track, next track), nor will the volume buttons on USB speakers.

To change the Human Interface Device Access (HidServ) startup mode, navigate to My Computer / Manage / Services and Applications / Services, double-click the Human Interface Device Access in the list, and change the Startup type to Manual or Disabled.

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