ADB ~ hide or disable the status bar and virtual keys

• Android settings There are three tables ：
  global： All preferences are open to all users of the system , The third party APP Only read , No write permission ;
  system： Contains a variety of user preferences and system settings ;
  secure： User preferences and system settings for security , The third party APP Only read , No write permission

settings
Settings provider (settings) commands:
  help
      Print this help text.
  get [--user <USER_ID> | current] NAMESPACE KEY
      Retrieve the current value of KEY.
  put [--user <USER_ID> | current] NAMESPACE KEY VALUE [TAG] [default]
      Change the contents of KEY to VALUE.
      TAG to associate with the setting.
      {
    default} to set as the default, case-insensitive only for global/secure namespace
  delete [--user <USER_ID> | current] NAMESPACE KEY
      Delete the entry for KEY.
  reset [--user <USER_ID> | current] NAMESPACE {
    PACKAGE_NAME | RESET_MODE}
      Reset the global/secure table for a package with mode.
      RESET_MODE is one of {
    untrusted_defaults, untrusted_clear, trusted_defaults}, case-insensitive
  list [--user <USER_ID> | current] NAMESPACE
      Print all defined keys.
      NAMESPACE is one of {
    system, secure, global}, case-insensitive

• Full screen immersion ：

adb shell settings put global policy_control immersive.full=*

• Immersion status bar ：

adb shell settings put global policy_control immersive.status=*

• Immerse navigation bar ：

adb shell settings put global policy_control immersive.navigation=*

• Which are controlled separately app Not immersed , For example, the following code settings TIM Not immersed , Other programs immerse ：

adb shell settings put global policy_control immersive.full=apps,-com.tencent.tim,

• If you want to return to normal mode , Run the following code ：

adb shell settings put global policy_control null

• To hide the navigation bar completely （ The upper stroke will not call ）：

adb shell wm overscan 0,0,0,-210   // If an invalid   You can change the number size    Or direction 

Four numbers represent Left 、 On 、 Right 、 The distance from the bottom to the edge （ Adjust to demand ）

• recovery

adb shell wm overscan 0,0,0,0