Merge cherrypicks of ['googleplex-android-review.googlesource.com/21598816'] into tm-qpr2-b-release.

Change-Id: I7d2335e26c5c69e8404239474765c0ac196fc35d

1 files changed, 18 insertions, 8 deletions

diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java
index 5d7a6f122e69..8b21d47f1164 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java
@@ -230,14 +230,6 @@ public class KeyguardSecurityContainer extends ConstraintLayout {
                     }
                     updateChildren(0 /* translationY */, 1f /* alpha */);
                 }
-
-                private void updateChildren(int translationY, float alpha) {
-                    for (int i = 0; i < KeyguardSecurityContainer.this.getChildCount(); ++i) {
-                        View child = KeyguardSecurityContainer.this.getChildAt(i);
-                        child.setTranslationY(translationY);
-                        child.setAlpha(alpha);
-                    }
-                }
             };
 
     // Used to notify the container when something interesting happens.
@@ -562,6 +554,7 @@ public class KeyguardSecurityContainer extends ConstraintLayout {
      * This will run when the bouncer shows in all cases except when the user drags the bouncer up.
      */
     public void startAppearAnimation(SecurityMode securityMode) {
+        updateChildren(0 /* translationY */, 1f /* alpha */);
         mViewMode.startAppearAnimation(securityMode);
     }
 
@@ -736,6 +729,23 @@ public class KeyguardSecurityContainer extends ConstraintLayout {
         mViewMode.onDensityOrFontScaleChanged();
     }
 
+    void resetScale() {
+        setScale(1);
+    }
+
+    private void setScale(float scale) {
+        setScaleX(scale);
+        setScaleY(scale);
+    }
+
+    private void updateChildren(int translationY, float alpha) {
+        for (int i = 0; i < getChildCount(); ++i) {
+            View child = getChildAt(i);
+            child.setTranslationY(translationY);
+            child.setAlpha(alpha);
+        }
+    }
+
     /**
      * Enscapsulates the differences between bouncer modes for the container.
      */