3 Manual Modification Scheme

• Step1:get the configuration file “SystemKeyConfig.prop”; (available on: https://github.com/picoxr/system-key-config-runtime/blob/master/resource/SystemKeyConfig.prop)
• Step2:Open the configuration file “SystemKeyConfig.prop” with Notepad
• Step3:Modify the definitions of keys

Modify Home key

• G2 4K series/ Neo2 series

  The key values of the home keys include tap, double-tap, long press as follows:

  action_home_single_tap	Tap
  action_home_double_tap	Double-tap
  action_home_long_press	Long press

  The above key values can be set at 0/1/2/3/4/5/6/7. The response corresponding to each value is as below:

  0: Invalid;

  1: Boot the applications in the specified package names or class names;

  2: Back to Launcher;

  3: Launch Settings;

  4: Back;

  5: No function, but send the key notice;

  6: Reset the front direction;

  7: Clean up background Apps;

• Neo 3 series

  The key values of the home keys include tap, double-tap as follows:

  action_home_single_tap	Tap
  action_home_double_tap	Double-tap

  The above key values can be set at 0/2/3/6. The response corresponding to each value is as below:

  0: Invalid;

  2: Back to Launcher;

  3: Launch Settings;

  6: Reset the front direction;

  Set the values to the keys according to the needs. For example, to change the Home key to Back functionality please modify the key as below,

  action_home_single_tap=4
  

  The following keys are used to set the double-tap interval and long press duration (in milliseconds):

  time_home_double_tap	time gap between the two Home button click (ms)
  time_home_long_press	duration of Home button long press function (ms)

  When setting Home button functionality to 1, it is required to set the to-be-booted application package name and class name with the following keys,

  action_home_XXX_package	package name of the to-be-booted application
  action_home_XXX_class	class name of the to-be-booted application

  Here XXX refers to single_tap, double_tap and long_press For example, to launch the application with package name “com.picovr.settings” and class name “com.picovr.vrsettingslib.UnityActivity” by single tapping on Home button, please set the keys as below,

  action_home_single_tap=1
  
  action_home_single_tap_package=com.picovr.settings
  action_home_single_tap_class=com.picovr.vrsettingslib.UnityActivity
  

Disable other keys on the headset

The parameters are defined as below,

action_key_enter	Confirm button, on the side of the headset
action_key_volumeup	Volum Up button
action_key_volumedown	Volum Down button
action_key_back	Back button, on top of the confirm button
action_power_long_press	Power button long press function
action_power_single_tap	Power button single tap function

Set the key value to 0 to disable the button default functionality. For example, to disable the Confirm button, change the codes as below,

action_key_enter=0

To reserve the key, please comment the related parameter in configuration file. For example,

#action_key_enter=0

• Step4:Open adb, and copy files to the data/local/tmp directory. Instructions are as follows: adb push SystemKeyConfig.prop /data/local/tmp/
• Step5: Reboot the device.