Modification of the default language

The language support list can be viewed in build/target/product/languages_full.mk.

Temporary modification method

• System readable and writable

  adb shell setprop persist.sys.root_access 3
  adb root
  adb remount

• Modify the value of ro.product.locale in the /system/build.prop file (Android10 and above: /vendor/build.prop)

  • en-US: English
  • zh-CN: Chinese

• System restart

  adb shell reboot

Code modification method

• Modify the value of PRODUCT_LOCALES in build/target/product/full_base.mk

  • Chinese

    PRODUCT_LOCALES := zh_CN

• Delete build.prop in the out directory

  rm out/target/product/PRODUCT_TYPE/obj/ETC/system_build_prop_intermediates/build.prop