Android Key Codes Guide

AndroidKeyCode Common Keys

The SDK provides a complete Android key code enum. Common keys are listed below:

System Keys

Key	Constant Name	Value	Description
Home	AndroidHome	3	Home key
Back	AndroidBack	4	Back key
Multitask	AndroidAppSwitch	187	Multitask/menu key

Volume Control

Key	Constant Name	Value
Volume Up	VolumeUp	24
Volume Down	VolumeDown	25
Mute	VolumeMute	164

Power Key

Key	Constant Name	Value
Power	Power	26

Direction Keys

Key	Constant Name	Value
Up	ArrowUp	19
Down	ArrowDown	20
Left	ArrowLeft	21
Right	ArrowRight	22

Common Input Keys

Key	Constant Name	Value
Enter	Enter	66
Backspace	Backspace	67
Space	Space	62
Tab	Tab	61

Letter Keys

Key	Constant Name	Value
A	KeyA	29
B	KeyB	30
...	...	...
Z	KeyZ	54

Number Keys

Key	Constant Name	Value
0	Digit0	7
1	Digit1	8
...	...	...
9	Digit9	16

For the complete list, please refer to the TypeScript type definitions.

AndroidKeyEventAction

Key action enum.

Action	Constant Name	Value	Description
Press	Down	0	Key pressed
Release	Up	1	Key released

Usage Example:

import { AndroidKeyCode, AndroidKeyEventAction } from "@vmosedge/web-sdk";

// Press Power key
client.sendKeyCode(AndroidKeyCode.Power, AndroidKeyEventAction.Down);
// Release Power key
client.sendKeyCode(AndroidKeyCode.Power, AndroidKeyEventAction.Up);

AndroidMetaState

Meta key state enum (for modifier keys).

State	Constant Name	Value	Description
None	None	0	No modifier keys
Shift	ShiftOn	0x01	Shift key pressed
Ctrl	CtrlOn	0x1000	Ctrl key pressed
Alt	AltOn	0x02	Alt key pressed
Meta	MetaOn	0x10000	Meta key pressed

Usage Example:

import {
  AndroidKeyCode,
  AndroidKeyEventAction,
  AndroidMetaState,
} from "@vmosedge/web-sdk";

// Ctrl+C (copy)
client.sendKeyCode(
  AndroidKeyCode.KeyC,
  AndroidKeyEventAction.Down,
  AndroidMetaState.CtrlOn
);
client.sendKeyCode(
  AndroidKeyCode.KeyC,
  AndroidKeyEventAction.Up,
  AndroidMetaState.CtrlOn
);