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Commit 73a9fad7 authored by Beverly's avatar Beverly
Browse files

Add pixel_pitch parameter that must be updated per device 

Pixel pitch is the number of microns per pixel on device.
This is used to size the UDFPS icon.

Bug: 319894241
Flag: ACONFIG com.android.systemui.device_entry_udfps_refactor DEVELOPMENT
Test: manual
Change-Id: Idb2b01ae7115117b20651bdd4959b67c0b92b166
parent 5b4e13aa

packages/SystemUI/res/values/dimens.xml

+5 −1
Original line number Diff line number Diff line
@@ -1928,5 +1928,9 @@ 
    <dimen name="bouncer_user_switcher_view_mode_view_flipper_bottom_margin">0dp</dimen>



    <!-- UDFPS view attributes -->

    <dimen name="udfps_icon_size">6mm</dimen>

    <!-- UDFPS icon size in microns/um -->

    <dimen name="udfps_icon_size" format="float">6000</dimen>

    <!-- Microns/ums (1000 um = 1mm) per pixel for the given device. If unspecified, UI that

         relies on this value will not be sized correctly. -->

    <item name="pixel_pitch" format="float" type="dimen">-1</item>

</resources>

packages/SystemUI/src/com/android/systemui/biometrics/domain/interactor/UdfpsOverlayInteractor.kt

+14 −2
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
package com.android.systemui.biometrics.domain.interactor



import android.content.Context

import android.util.Log

import android.view.MotionEvent

import com.android.systemui.biometrics.AuthController

import com.android.systemui.biometrics.shared.model.UdfpsOverlayParams
@@ -42,12 +43,23 @@ import kotlinx.coroutines.flow.stateIn 
class UdfpsOverlayInteractor

@Inject

constructor(

    @Application context: Context,

    @Application private val context: Context,

    private val authController: AuthController,

    private val selectedUserInteractor: SelectedUserInteractor,

    @Application scope: CoroutineScope

) {

    private val iconSize: Int = context.resources.getDimensionPixelSize(R.dimen.udfps_icon_size)

    private fun calculateIconSize(): Int {

        val pixelPitch = context.resources.getFloat(R.dimen.pixel_pitch)

        if (pixelPitch <= 0) {

            Log.e(

                "UdfpsOverlayInteractor",

                "invalid pixelPitch: $pixelPitch. Pixel pitch must be updated per device."

            )

        }

        return (context.resources.getFloat(R.dimen.udfps_icon_size) / pixelPitch).toInt()

    }



    private var iconSize: Int = calculateIconSize()



    /** Whether a touch is within the under-display fingerprint sensor area */

    fun isTouchWithinUdfpsArea(ev: MotionEvent): Boolean {