How to restrict users from accessing and sharing device data
Environment
- Knox Platform for Enterprise
- Knox SDK
Overview
This article details the API methods in Knox Platform for Enterprise that can restrict a user from sharing various kinds of device data and protocols.
How to restrict users from accessing and sharing device data
To limit users from sharing device data, you can disable certain device settings:
| Data or protocol | API method | Description |
|---|---|---|
| Bluetooth | RestrictionPolicy.allowBluetooth(false) |
Force disables Bluetooth on the device. |
| NFC | NfcPolicy.allowNFCStateChange(false) |
Prevents the device user from toggling NFC. |
NfcPolicy.startNFC(false) |
Disables NFC adapter. | |
| USB data connectivity | RestrictionPolicy.setUsbMediaPlayerAvailability(false) |
Disables media transfer protocol (MTP). |
RestrictionPolicy.setUsbDebuggingEnabled(false) |
Disables USB data transfer. | |
RestrictionPolicy.setUsbTethering(false) |
Prevents the device from sharing its carrier data connection with other devices through USB. | |
RestrictionPolicy.allowUsbHostStorage(false) |
Disables storage hosting through USB On-The-Go (OTG). | |
| Screen capture | RestrictionPolicy.setScreenCapture(false) |
Prevents the device user from taking screenshots of the device screen. |
| Outgoing SMS | phoneRestrictionPolicy.allowOutgoingSms(false) |
Disables outgoing Short Message Service (SMS) text messages. |
| Outgoing MMS | phoneRestrictionPolicy.allowOutgoingMms(false) |
Disables outgoing Multimedia Messaging Service (MMS) messages. |
| Share Via List | RestrictionPolicy.allowShareList(false) |
Disable the Share Via List, which allows the device user to share data between apps. |
| Google Play Store app | ApplicationPolicy.setDisableApplication("com.android.vending") |
Disables the Google Play Store app. |
Additional information
For more information about Knox Platform for Enterprise, refer to the admin guide.
To learn more about the Knox SDK, please refer to the Knox SDK API reference.
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