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# UDFPS overlays

# • UDFPS Support 

Overlay Path: overlay-bliss/frameworks/base/core/res/res/values/bliss_config.xml

This overlay is required to Enable UDFPS Support. The overlay is used to determine HBM Type for UDFPS. Required inorder for UDFPS to work.

    <!-- HBM type of UDFPS overlay.
            0 - GLOBAL HBM
            1 - LOCAL HBM
    -->
    <integer name="config_udfpsHbmType">0</integer>

# • UDFPS Vendor code 

Overlay Path: overlay-bliss/frameworks/base/core/res/res/values/bliss_config.xml

This overlay is used to define vendor code. Required inorder for UDFPS to work.

    <!-- Udfps vendor code -->
    <integer name="config_udfpsVendorCode">0</integer>

# • UDFPS Animations

For UDFPS Animation to work you need 2 things in your device tree source.

  • A Flag in bliss_codename.mk makefile in your respective device tree
  • An overlay to set Default FOD Pressed Color

Flag Required to build UDFPS Animation resources

# UDFPS Animations
EXTRA_UDFPS_ANIMATIONS := true

To set Default UDFPS Pressed color

Overlay Path: overlay-bliss/frameworks/base/core/res/res/values/bliss_config.xml
Default status: Disabled

This overlay is required to set Default UDFPS Pressed Color.

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

To set UDFPS Animation Offset

Overlay Path: overlay-bliss/frameworks/base/packages/SystemUI/res/values/dimens.xml

This overlay is required to set UDFPS Animation offset for respective devices.

    <!-- Udfps animation offset -->
    <dimen name="udfps_animation_offset">50dp</dimen>

To set UDFPS Animation Size

Overlay Path: overlay-bliss/frameworks/base/packages/SystemUI/res/values/dimens.xml

This overlay is required to set UDFPS Animation size for respective devices.

    <!-- Udfps animation size-->
    <dimen name="udfps_animation_size">176dp</dimen>

To set Color of the UDFPS Pressed view

Overlay Path: overlay-bliss/frameworks/base/core/res/res/values/bliss_config.xml

This overlay is required to set Color of the UDFPS Pressed view for respective devices.

    <!-- Color of the UDFPS Pressed view -->
    <color name="config_udfpsColor">#ffffe6</color>

# • Screen-Off FOD 

Overlay Path: overlay/packages/apps/Settings/res/values/bliss_config.xml
Default status: Disabled

This overlay is required to Enable Screen OFF FOD.

    <!-- Screen off FOD -->
    <bool name="config_supportScreenOffFod">true</bool>