I am trying to connect external barcode scanner (HID) to the Android application which is in Kiosk mode(Android COSU). A system dialog should be displayed to ask for the permissions in order to access the barcode from usb. However, In kiosk mode, when startLockTask() turn on, permission dialog not shown. When I try use it, I bring Security exception... For resolve I grand all runtime permissions progmaticaly with DevicePolicyManager.setPermissionGrantState and DevicePolicyManager.setPermissionPolicy(adminComponentName,PERMISSION_POLICY_AUTO_GRANT);. It work for all runtime permissions but not work for usb permission. Please, help me with this issue.
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