1 files changed, 20 insertions, 9 deletions
diff --git a/java/com/android/contacts/common/list/ViewPagerTabs.java b/java/com/android/contacts/common/list/ViewPagerTabs.java
index 1e6cf1354..34f623ef4 100644
--- a/java/com/android/contacts/common/list/ViewPagerTabs.java
+++ b/java/com/android/contacts/common/list/ViewPagerTabs.java
@@ -33,6 +33,7 @@ import android.widget.LinearLayout;
 import android.widget.TextView;
 import android.widget.Toast;
 import com.android.contacts.common.R;
+import com.android.dialer.compat.CompatUtils;
 
 /**
  * Lightweight implementation of ViewPager tabs. This looks similar to traditional actionBar tabs,
@@ -42,13 +43,7 @@ import com.android.contacts.common.R;
  */
 public class ViewPagerTabs extends HorizontalScrollView implements ViewPager.OnPageChangeListener {
 
-  private static final ViewOutlineProvider VIEW_BOUNDS_OUTLINE_PROVIDER =
-      new ViewOutlineProvider() {
-        @Override
-        public void getOutline(View view, Outline outline) {
-          outline.setRect(0, 0, view.getWidth(), view.getHeight());
-        }
-      };
+  private static final ViewOutlineProvider VIEW_BOUNDS_OUTLINE_PROVIDER;
   private static final int TAB_SIDE_PADDING_IN_DPS = 10;
   // TODO: This should use <declare-styleable> in the future
   private static final int[] ATTRS =
@@ -59,6 +54,20 @@ public class ViewPagerTabs extends HorizontalScrollView implements ViewPager.OnP
         android.R.attr.textAllCaps
       };
 
+  static {
+    if (CompatUtils.isLollipopCompatible()) {
+      VIEW_BOUNDS_OUTLINE_PROVIDER =
+          new ViewOutlineProvider() {
+            @Override
+            public void getOutline(View view, Outline outline) {
+              outline.setRect(0, 0, view.getWidth(), view.getHeight());
+            }
+          };
+    } else {
+      VIEW_BOUNDS_OUTLINE_PROVIDER = null;
+    }
+  }
+
   /**
    * Linearlayout that will contain the TextViews serving as tabs. This is the only child of the
    * parent HorizontalScrollView.
@@ -102,8 +111,10 @@ public class ViewPagerTabs extends HorizontalScrollView implements ViewPager.OnP
         new FrameLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT));
     a.recycle();
 
-    // enable shadow casting from view bounds
-    setOutlineProvider(VIEW_BOUNDS_OUTLINE_PROVIDER);
+    if (CompatUtils.isLollipopCompatible()) {
+      // enable shadow casting from view bounds
+      setOutlineProvider(VIEW_BOUNDS_OUTLINE_PROVIDER);
+    }
   }
 
   public void setViewPager(ViewPager viewPager) {