Tuesday, May 10, 2016

Remap funcionality of POWER-Button to physical CAMERA-Button

Hello everyone,

the Power button of my Sony Z1 Compact is broken and only works when pressed very very intensely. Since I don't use the camera button at all, I would like to use it as my new power button - I'd like to remap the physical camera button to the funcionality of the POWER-Button.

I've read a few posts on this issue, so I started out with rooting my Z1C today (KingRoot and SuperSume). Then I tried a number of possible solutions, all of which have failed so far:
- ButtonRemapper. I read about it on LifeHacker and thought this would be a quick and easy tool. It seems to basically do what I want, BUT it doesn't offer the Camera button as one to connect functionality to. Neither can I add a button ID (I'm pretty sure the camera button is #212).
- Buttons remapper (no root). This program recognizes the button I'd like to use and offers a number of connectible actions - but none equal to what the Power button does (wake up from sleep, go to sleep, Power-Menu on long press). It only offers the Power-Menu-funcionality, but that won't help me with my broken Power-Button.
- Xposed Additions. I installed the Xposed Installer first, then went for Xposed Additions. It seems that I also need the Xposed framework, but since I don't use a custom ROM, as far as I understand, I cannot install it.
- Manual edit of the keymap. There have been a number of tutorials online on how to change the keymap. I'm pretty sure the one I'd have to change is the /system/usr/keylayout/mhl-rcp.kl. When I try to save any edits though, it tells me that I can't. I guess that this is because it's a kind of system file, but I imagined I'd be able to edit it after having rooted my device.

I'm a little frustrated after all this work just for one tiny change that I still couldn't achieve so fat. But if you have a possible solution, I will try it. I would however like to keep my current (non-custom) firmware if possible (never change a running system...).
I'm very thankful for your suggestions!


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