Android usb permission

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I've developed a file manager application to explore android file system. How do I make it suitable to explore usb storage devices connected to any android device. I have tried providing intent filter for USB_DEVICE_ATTACHED action and also provided a device filter list. But, the problem is a dialog for permission is displayed only when user pluggs in a usb device whose details are mentioned in the filter list. How can I make a generic filter that asks for user permission as and when any usb storage device is attached to the android device(application should ask for permission for every usb device connected).

asked 21 secs ago

themoonraker13

6

Android usb permission