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Additional JSON Settings

This feature is available for: ✓ Templates ✓ Blueprints

This page is a knowledge base for all the additional configurable settings via JSON. These settings are not available in the Console or Esper settings app on the device. Adding JSON can be done in Provisioning Templates on the “Settings” page, or in Blueprints in the “Settings App” section.

In this article: 

Name Description JSON Supervisor plugin Comments

Sound Notification

 Set notification sound file to “None” 

{
    "system": [
        {
            "key": "notification_sound",
            "value": null
        }
    ]
}
No N/A

Accessibility Shortcut

 Disable accessibility shortcut for TalkBack. Ensure TalkBack itself is disabled. 

{
    "settings": {
        "secure": [
            {
                "key": "accessibility_shortcut_enabled",
                "value": "0"
            },
            {
                "key": "enabled_accessibility_services",
                "value": null
            }
        ]
    }
}
Yes N/A

Lock Screen Notifications

 Disable all notifications on the lock screen 

{  
    "settings": {
        "secure": [   
            {
                "key": "lock_screen_show_notifications",
                "value": "0"
            },    
            {  
                "key": "lock_screen_show_silent_notifications", 
                "value": "0" 
            } 
        ]
    } 
}
Yes N/A

Airplane Mode

 Enable Airplane Mode in order to disable Wi-Fi and allow usage of an ethernet adapter. 

{
    "settings": {
        "global": [
            {
                "key": "airplane_mode_on",
                "value": "1"
            }
        ]
    }
}
Yes Reboot the device to take effect.

Software Keyboard

 Shows the software keyboard when a physical keyboard is plugged in 

{
    "settings": {
        "secure": [
            {
                "key": "show_ime_with_hard_keyboard",
                "value": "1"
            }
        ]
    }
}
Yes N/A

Display Size

 Display size or scaling 

{
    "settings": {
        "secure": [
            {
                "key": "display_density_forced",
                "value": "240"
            }
        ]
    }
}
Yes N/A

Navigation Bar in Kiosk Mode

 Hides the navigation bar at the bottom of the screen when in kiosk mode 

{
    "settings": {
    "dpcParams": [
    {
      "key": "hideNavBarInKioskMode",
      "value": "true"
    }
  ]
 }
}
No Only on Esper Foundation 

Font Scale

 Set font size as large as 1.15 or as small as 0.9 

{
    "settings": {
        "system": [
            {
                "key": "font_scale",
                "value": "1.15"
            }
        ]
    }
}
No N/A

Clock

 Sets the clock to 12 hrs format. 

{
    "settings": {
        "system": [
            {
                "key": "time_12_24",
                "value": "12"
            }
        ]
    }
}
No N/A

Data Roaming

 Enable roaming data usage. 

{
    "settings": {
      "global": [
        {
          "key": "data_roaming",
          "value": "1"
        }
      ]
    }
  }
Yes Bluebird HF550 devices have special integration.

Block List

 Allow and block particular sites on the titanium browser. 

{
    "managedAppConfigurations": {
      "io.esper.titanium": {
        "URLAllowlist": [
          "google.com",
          "https://www.google.com/?safe=active"
        ],
        "URLBlocklist": [
          "*"
        ],
        "BrowserSignin": "0",
        "PrintingEnabled": "true",
        "HomepageLocation": "https://www.google.com/?safe=active",
      }
    }
  }
No  

APN Configuration

 APN config 

{
    "dpcParams": [
      {
        "key": "addNewApnAndSetDefault",
        "value": "{\"mnc\":\"030\",\"mcc\":\"310\",\"name\":\"ATTDEMO\",\"apn\":\"attiotdemo\",\"proxy\":\"\",\"port\":\"\",\"mmsc\":\"\",\"mmsproxy\":\"\",\"mmsport\":\"\",\"user\":\"\",\"password\":\"\",\"authtype\":\"-1\",\"type\":\"default\",\"protocol\":\"IPV4V6\",\"roaming_protocol\":\"IPV4V6\",\"carrier_enabled\":\"true\",\"mvno_type\":\"\"}"
      }
    ]
  }
Yes "Requires a reboot after the Knox agreement. For SM-T547U and AT&T M2X IoT data service"

Lock Screen

 Disable lock screen phone shortcut 


{
    "dpcParams": [
        {
            "key": "hideLockscreenShortcuts",
            "value": "true"
        }
    ]
}
No (Samsung Knox required) Samsung only

Screen Shortcut

 Disable Samsung Edge Screen shortcut 

{
    "dpcParams": [
        {
            "key": "allowEdgeScreen",
            "value": "false"
        }
    ]
}
No (Samsung Knox required) Samsung only

Run App on Button Press

 Application to run on a particular button press 

{
  "button_left": "Run application",
  "button_left_run_application": "com.android.camera2"
}
No N/A

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