Merge "Fix UDFPS alignment for shared code across new / legacy prompt." into udc-dev am: 53d81289ca

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23505328

Change-Id: Iee8f6164b7082953f19c15cfaa50e8eee8b56c03
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/AuthContainerView.java b/packages/SystemUI/src/com/android/systemui/biometrics/AuthContainerView.java
index 43a3b99..f86e2ed 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/AuthContainerView.java
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/AuthContainerView.java
@@ -638,12 +638,12 @@
 
             case Surface.ROTATION_90:
                 mPanelController.setPosition(AuthPanelController.POSITION_RIGHT);
-                setScrollViewGravity(Gravity.BOTTOM | Gravity.RIGHT);
+                setScrollViewGravity(Gravity.CENTER_VERTICAL | Gravity.RIGHT);
                 break;
 
             case Surface.ROTATION_270:
                 mPanelController.setPosition(AuthPanelController.POSITION_LEFT);
-                setScrollViewGravity(Gravity.BOTTOM | Gravity.LEFT);
+                setScrollViewGravity(Gravity.CENTER_VERTICAL | Gravity.LEFT);
                 break;
 
             case Surface.ROTATION_180:
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/AuthPanelController.java b/packages/SystemUI/src/com/android/systemui/biometrics/AuthPanelController.java
index acdde34..167067e 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/AuthPanelController.java
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/AuthPanelController.java
@@ -114,7 +114,13 @@
     }
 
     private int getTopBound(@Position int position) {
-        return Math.max(mContainerHeight - mContentHeight - mMargin, mMargin);
+        switch (position) {
+            case POSITION_LEFT:
+            case POSITION_RIGHT:
+                return Math.max((mContainerHeight - mContentHeight) / 2, mMargin);
+            default:
+                return Math.max(mContainerHeight - mContentHeight - mMargin, mMargin);
+        }
     }
 
     public void setContainerDimensions(int containerWidth, int containerHeight) {