Align empty views for quicksetting center in detail panel.

Change-Id: I6d0f1eaeee1ea59890cf0589381332a3f3a8fb4e
Fixes: 29981651
diff --git a/packages/SystemUI/res/layout/qs_detail.xml b/packages/SystemUI/res/layout/qs_detail.xml
index 63390e2..967db26 100644
--- a/packages/SystemUI/res/layout/qs_detail.xml
+++ b/packages/SystemUI/res/layout/qs_detail.xml
@@ -47,11 +47,12 @@
     <com.android.systemui.qs.NonInterceptingScrollView
         android:layout_width="match_parent"
         android:layout_height="0dp"
-        android:layout_weight="1">
+        android:layout_weight="1"
+        android:fillViewport="true">
         <FrameLayout
             android:id="@android:id/content"
             android:layout_width="match_parent"
-            android:layout_height="wrap_content" />
+            android:layout_height="match_parent"/>
     </com.android.systemui.qs.NonInterceptingScrollView>
 
     <include layout="@layout/qs_detail_buttons" />
diff --git a/packages/SystemUI/res/layout/qs_detail_items.xml b/packages/SystemUI/res/layout/qs_detail_items.xml
index f1a8d63..c94a972 100644
--- a/packages/SystemUI/res/layout/qs_detail_items.xml
+++ b/packages/SystemUI/res/layout/qs_detail_items.xml
@@ -15,7 +15,8 @@
      limitations under the License.
 -->
 <!-- extends FrameLayout -->
-<com.android.systemui.qs.QSDetailItems xmlns:android="http://schemas.android.com/apk/res/android"
+<com.android.systemui.qs.QSDetailItems
+    xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:sysui="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -28,26 +29,26 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:orientation="vertical"
-        sysui:itemHeight="@dimen/qs_detail_item_height" />
+        sysui:itemHeight="@dimen/qs_detail_item_height"/>
 
     <LinearLayout
         android:id="@android:id/empty"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
         android:layout_gravity="center"
-        android:gravity="center_horizontal"
-        android:orientation="vertical" >
+        android:gravity="center"
+        android:orientation="vertical">
 
         <ImageView
             android:id="@android:id/icon"
             android:layout_width="56dp"
-            android:layout_height="56dp" />
+            android:layout_height="56dp"/>
 
         <TextView
             android:id="@android:id/title"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginTop="20dp"
-            android:textAppearance="@style/TextAppearance.QS.DetailEmpty" />
+            android:textAppearance="@style/TextAppearance.QS.DetailEmpty"/>
     </LinearLayout>
 </com.android.systemui.qs.QSDetailItems>
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java
index 1f915ee..9ce1f31 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java
@@ -368,5 +368,5 @@
             }
             mItems.setItems(items);
         }
-    };
+    }
 }