I tried to have the same on my Xperia z1 compact running .757 firmware kitkat which is rooted, using dual recovery and Xposed framework is installed.
I tried using gravitybox, but the first time I installed it, the battery % disappeared. The second time I tried to install it, I got a message saying there was something wrong with my framework.
I then found another Xposed module called expendable volume control, which was extracted from gravitybox. If I installed this app, rebooted and pressed my volume buttons, the app that was on the screen force closed.
I am now running out of options. Is there any way to get expandable volumes, so I can change all the volumes?
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