Programmatically Turn Off USB Storage on Android Devices

Question

On many android devices, when the device is plugged into the USB port of a computer or even on some USB charging devices, the phone goes into USB Storage mode. When the devi

Answer 1

A1: If current state of Sd card is SHARED it means that it has connected to PC in MSC mode, you can check this case as following:

String state = Environment.getExternalStorageState();
if (Environment.MEDIA_SHARED.equals(state)) {
    // Sd card has connected to PC in MSC mode
}

A2: You can force to turn off usb mass storage connection by calling:

MountService.setUsbMassStorageEnabled(false);

or

StorageManager.disableUsbMassStorage();

but unfortunately, both these API are not public accessible?!