usbhost unplug the device, but by enumerating devices can still enumerate the

android, usbmanager android apk communication

I developed an on android4.2 with usbhost apk communications, in order to support pluggable, I used to capture system intent, but found that do not always capture the intent; replaced by enumerating the device number to detect devices plugged Stubbs state, found that when usbhost unplug the device, but still can get to the pid and vid, ie the system assumes that the device is attached state why this is so, there is no clear function or device information, system status of the equipment is Information to be updated?<-! Main posts under Banner (D4) -><-! Posts under the main text (D5) ->
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Great God
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InputManager inside a monitor input device interfaces, you can try.
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That even listening to the device remove, and access to and communication function interface devices still do not know, can not be updated at this time communication-related parameters, how can the data and monitoring results are updated simultaneously