Change Device language via ADB

Question

I want to change language via ADB. I try:

adb shell setprop persist.sys.language fr;setprop persist.sys.country CA;stop;sleep 5;start

but I

Answer 1

Run through the following steps:

• Create emulator with google APIs Intel x86

• Root the emulator, by running the command:

  adb root
  

• Run the following shell command through adb:

  adb -e shell "su root; setprop persist.sys.locale pt-PT; stop; sleep 2; start” 
  

  then, exit the shell which restarts the emulator.

• Locales we need for screenshots:

  de_DE
  en_EN
  fr_FR
  ko_KO
  pt_PT
  es_ES
  ja_JA