This disables the proximity sensor in 4.1 - 6.0 devices. It has not been tested on anything less than 4.1, and does currently work on 6.0.
- Download and install Xposed framework
- Search for and install Disable Proximity Sensor module
- Activate the module and reboot
This app does not have a launcher activity. You can access the settings via Xposed -> Modules -> Disable Proximity Sensor. When the toggle is off, the sensor is disabled. When the toggle is on, the sensor is enabled.