Talkback enable/disable script

talkback.sh

# Copyright 2020 Google LLC.
#   SPDX-License-Identifier: Apache-2.0
   
function talkback() {
  if [[ -z $1 ]]; then
    echo "Usage: $0 [on/off]"
    exit
  fi

  if [[ $1 == 'on' ]]; then
    service='com.google.android.marvin.talkback/com.google.android.marvin.talkback.TalkBackService:com.google.android.marvin.talkback/com.android.talkback.TalkBackService'\
    int_enable='1'
  else
    service=''
    int_enable='0'
  fi
  adb shell settings --user current put secure enabled_accessibility_services \""$service"\"
  adb shell settings --user current put secure accessibility_enabled $int_enable
  adb shell settings --user current put secure touch_exploration_enabled $int_enable
  adb shell settings --user current put secure accessibility_script_injection $int_enable
}