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Preparing Spark for your device

You can always check out our device organization for reference.

General stuff

Spark uses spark_device.mk.

If your device supports cellular data, then set this in spark_device.mk:

   # Inherit some common Spark stuff.
   $(call inherit-product, vendor/spark/config/common_full_phone.mk)

If it doesn't, then set this in spark_device.mk:

   # Inherit some common Spark stuff.   
   $(call inherit-product, vendor/spark/config/common.mk)

BOARD_PLATFORM

Before starting to build spark make sure tou have these on your device.mk

   PRODUCT_BOARD_PLATFORM := Your Board platform // Example sm6150
   PRODUCT_USES_QCOM_HARDWARE := true/false

Sample commit here

SystemUI

You can overlay the maximum visible system icons by adding this in overlay/frameworks/base/packages/SystemUI/res/values/config.xml

    <integer name="config_maxVisibleStatusIconContainer">Your value </integer> // Default is 7

Gapps

After lunching your build, you can do this to build GApps with the ROM or add this on your spark_device.mk:

   export WITH_GAPPS=true

FOD

In order to enable the FOD HAL, you have to set this in overlay/frameworks/base/core/res/res/values/config.xml:

   <!-- Shows the required view for in-display fingerprint -->
   <bool name="config_needCustomFODView>true</bool>

In order to enable fod animations you can do this after lunching your build or adding it in your spark_device.mk

   export WITH_FOD_ANIMATIONS=true

In order to enable Screen off FOD support, you have to set this in overlay/packages/apps/Settings/res/values/config.xml:

   <!-- Whether device has screen off FOD support -->
   <bool name="config_supportScreenOffFod">true</bool>

In order to set the default fod pressed color for your device, you have to add this in overlay/frameworks/base/core/res/res/values/config.xml:

   <!-- Default fod pressed color -->
   <integer name="config_fod_pressed_color">Your value </integer> // Default is 1

Notification Led

If you have a Notification led take a look at these overlays you need to set at overlay/frameworks/base/core/res/res/values/config.xml

  <!-- Whether device has notification LED -->
  <bool name="config_hasNotificationLed">true</bool>

  <!-- Is the battery LED intrusive? Used to decide if there should be a disable option -->
  <bool name="config_intrusiveBatteryLed">@bool/config_intrusiveNotificationLed</bool>

  <!-- Does the battery LED support multiple colors?
  Used to decide if the user can change the colors -->
  <bool name="config_multiColorBatteryLed">false</bool>

  <!-- Do the battery/notification LEDs support pulsing?
  Used to decide if we show pulse settings -->
  <bool name="config_ledCanPulse">true</bool>

Burn-in protection

If your device has an AMOLED screen, it is recommended to set this in overlay/frameworks/base/core/res/res/values/config.xml:

  <!-- If true, the display will be shifted around in ambient mode. -->
  <bool name="config_enableBurnInProtection">true</bool>

User icon in Settings Homepage

If clicking on this specific icon makes settings crash you need to enable multiuser support

Follow this commit as reference reference

Warp / Dash / VOOC fast charging

If your device supports either one of these charging standards, then you should set one of these in overlay/frameworks/base/core/res/res/values/config.xml respectively:

   <!-- Whether device has warp charging support -->
   <bool name="config_hasWarpCharger">true</bool>

   <!-- Whether device has dash charging support -->
   <bool name="config_hasDashCharger">true</bool>

   <!-- Whether device has VOOC charging support -->
   <bool name="config_hasVoocCharger">true</bool>

Blur

If you want to enable blur you can add this on your spark_device.mk

    TARGET_USES_BLUR := true

Face unlock

If you want to enable face unlock you need to add this to your spark_device.mk

    TARGET_FACE_UNLOCK_SUPPORTED := true

If your device has a pop up camera and you want camera to open only on Security view you might also want to set this overlay in overlay/frameworks/base/core/res/res/values/config.xml

    <!-- Face unlock -->
    <bool name="config_faceAuthOnlyOnSecurityView">true</bool>

Official status

To mark your build as official, set this in your spark_device.mk:

   SPARK_BUILD_TYPE := OFFICIAL

You will also need to add your maintainer name on your dt. All you need to do is add this line on your system.prop or product.prop

   ro.spark.maintainer=your maintainer name

Then navigate to vendor/spark/spark.devices add your device codename and make a pull request to github