Merge "Initialize StatusBar unfold animation with 1f progress" into tm-dev am: cd1db9f39e am: bbe6bb795b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17884335

Change-Id: Ic96c76cc1a94621deab7eaf768ac2b1767d4d240
Ignore-AOSP-First: this is an automerge
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

packages/SystemUI/shared/src/com/android/systemui/shared/animation/UnfoldMoveFromCenterAnimator.kt

@@ -52,7 +52,7 @@ class UnfoldMoveFromCenterAnimator @JvmOverloads constructor(
 
     private val animatedViews: MutableList<AnimatedView> = arrayListOf()
 
-    private var lastAnimationProgress: Float = 0f
+    private var lastAnimationProgress: Float = 1f
 
     /**
      * Updates display properties in order to calculate the initial position for the views

packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarMoveFromCenterAnimationControllerTest.kt

@@ -60,6 +60,15 @@ class StatusBarMoveFromCenterAnimationControllerTest : SysuiTestCase() {
         assertThat(view.translationX).isZero()
     }
 
+    @Test
+    fun onStatusBarWidthChangedWithNoTransitionBefore_noTranslation() {
+        controller.onViewsReady(arrayOf(view))
+
+        controller.onStatusBarWidthChanged()
+
+        assertThat(view.translationX).isZero()
+    }
+
     @Test
     fun onTransitionProgress_updatesTranslations() {
         controller.onViewsReady(arrayOf(view))