Re: [android-developers] Detecting hardware button on Android mobile

I have a feeling what you mentioned is the case.

I have implemented functions onKeyUp(...), onKeyDown(...). None of these functions get called when I press the PTT button. Unfortunately the phone is not rooted so there are not many options.

Thanks for your input.

On Monday, 2 September 2013 23:43:08 UTC+10, harsh wrote:

If you are not able to catch the key event, in all probabilities, this PTT key has been handled before it reaches to the window in focus. PhoneFallbackEventHandler or PhoneWindowManager, one of them is not your friend and is holding back the event.

You will require a custom firmware for your phone if you want to get that done.

Or if you want it very bad and your device is rooted, though I m not sure it will work or not, you can change the keycode for PTT key in Generic.kl in /system/user/keylayout/. What it will do is escape all the checks for the PTT's Keycode and will reach the window in focus.

Try this on your own risk.

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