# Technical Guide

The configuration setting to control the keyboard layout, key previews, and feedback options are set within the [launcher configuration](/bluefletch-enterprise/product-guides/bluefletch-launcher/launcher3/technical-guide.md) file.

| Field              | Description                                                                                                                                                                                                                                    |
| ------------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| hapticFeedback     | **string** Determines what feedback the user will receive on the press of a key. Valid values are `"hapticClick"`, `"click"`, `"haptic"`, and `"none"`. Defaults to `"hapticClick"`.                                                           |
| bigButtonText      | **boolean** Determines if the default keyboard will be the big button layout. Valid values are `true` and `false`. Defaults to `false`.                                                                                                        |
| alphanumeric       | **boolean** Determines if the default keyboard will be the alphanumeric layout. Valid values are `true` and `false`. Defaults to `false`.                                                                                                      |
| allowToggle        | **boolean** If `true`, allows the keyboard layout to be switched between alphanumeric, big button, and standard ("Qwerty") via a button below the keyboard. Defaults to `false`.                                                               |
| toggleLoggedIn     | **boolean** If `true`, allows the keyboard layout to be switched between alphanumeric, big button, and standard ("Qwerty") only when a user is logged in; when the user logs out, keyboard returns to the defined layout. Defaults to `false`. |
| keyPreview         | **boolean** Determines if key previews will be displayed on key press. Valid values are `true` and `false`. Defaults to `false`.                                                                                                               |
| isKeyboardLockable | **boolean** Determines if the keyboard can be locked/hidden. Valid values are `true` and `false`. Defaults to `false`.  Introduced in 2.3.2.                                                                                                   |
| isCapsLocked       | **boolean** Determines if the keyboard caps lock is enabled by default. Valid values are `true` and `false`. Defaults to `false`.  Introduced in 2.3.2.                                                                                        |

**Example Keyboard Config**

```json
"keyboard": {
  "hapticFeedback": "hapticClick",
  "bigButtonText": false,
  "alphanumeric": true,
  "keyPreview": false,
  "allowToggle": true,
  "toggleLoggedIn": false
}
```

### Application Details <a href="#application-details" id="application-details"></a>

**Package:** com.bluefletch.keyboard

**Play Store:** com.bluefletch.ems.emm.keyboard

After installing the application, set as default keyboard.

Example via ADB

```json
adb shell ime set com.bluefletch.keyboard/.KeyboardInputMethodServices
```


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