From 8e9a3cf84d9da279bcb80d3df38233e3602d669c Mon Sep 17 00:00:00 2001
From: Ilya Matyukhin <ilyamaty@google.com>
Date: Mon, 13 Jul 2020 15:42:51 -0700
Subject: [PATCH] Fix the illumination dot getting stuck

Bug: 158135499
Test: manual on device
Change-Id: Ie0e063e67940a178218272078049e202e233bb01
---
 .../src/com/android/systemui/biometrics/UdfpsController.java  | 1 +
 .../src/com/android/systemui/biometrics/UdfpsView.java        | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsController.java b/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsController.java
index 97e97ffaae0c2..04f2892783bd6 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsController.java
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsController.java
@@ -156,6 +156,7 @@ class UdfpsController {
     }
 
     private void hideUdfpsOverlay() {
+        onFingerUp();
         mHandler.post(() -> {
             Log.v(TAG, "hideUdfpsOverlay | removing window");
             if (mIsOverlayShowing) {
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsView.java b/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsView.java
index dfc7d53f08a71..8190550a74fc0 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsView.java
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsView.java
@@ -143,12 +143,12 @@ public class UdfpsView extends View {
     void onFingerDown() {
         mIsFingerDown = true;
         mSensorPaint.setStyle(Paint.Style.FILL);
-        invalidate();
+        postInvalidate();
     }
 
     void onFingerUp() {
         mIsFingerDown = false;
         mSensorPaint.setStyle(Paint.Style.STROKE);
-        invalidate();
+        postInvalidate();
     }
 }