simple script for auto-rotate screen for postmarketos

waydroid-auto-rotate.sh

#!/bin/bash

ROTATE_OLD=0

rotate_screen () {
  if [ "$1" == "$ROTATE_OLD" ]; then
    return
  fi 
  waydroid shell settings put system user_rotation $1
  echo $1
  ROTATE_OLD=$1
}

monitor-sensor --accel 2>&1 | while read -r msg; do
  if [[ $msg == "Accelerometer orientation changed:"* ]]; then
    case ${msg#"Accelerometer orientation changed: "} in
      left-up) rotate_screen 3 ;;
      right-up) rotate_screen 1 ;;
      bottom-up) rotate_screen 2 ;;
      normal) rotate_screen 0 ;;
    esac
  fi
done