today at work made a mistake, write the video player suddenly the physical volume keys will not work. At first, I thought it was a custom volume bar that shielded the system's physical volume bar keys. Deleting a custom volume bar or not, and wondering what permissions have been added, is not the reason for repeated attempts. Finally found is the onkeydown Physical button monitoring event problem!!! When I re-onkeydown the method, I unexpectedly return to true!!! Returning true means that either the back button does not continue to pass the response down, which is why. It would be nice to change to return false. Take this as a ring, remember to remember!!!
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A possible problem with the physical keys not responding in Android.
