Fix bug #8913650 spinner dropdown(android.R.layout.simple_spinner_dropdown_item) random alignment on RTL.

- add missing assignment for text direction (mTextDir)
- when layout direction change, update text direction (mTextDir again)

Change-Id: Id600fb0c5897a0d2ee5f9fe18a63437dc3e528d9

1 files changed, 8 insertions, 1 deletions

diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index 9e3f87f447bc..4f10b78e5031 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -6198,7 +6198,7 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
         BoringLayout.Metrics hintBoring = UNKNOWN_BORING;
 
         if (mTextDir == null) {
-            getTextDirectionHeuristic();
+            mTextDir = getTextDirectionHeuristic();
         }
 
         int des = -1;
@@ -8541,6 +8541,13 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
         return mEditor.mInBatchEditControllers;
     }
 
+    @Override
+    public void onRtlPropertiesChanged(int layoutDirection) {
+        super.onRtlPropertiesChanged(layoutDirection);
+
+        mTextDir = getTextDirectionHeuristic();
+    }
+
     TextDirectionHeuristic getTextDirectionHeuristic() {
         if (hasPasswordTransformationMethod()) {
             // passwords fields should be LTR