Merge pull request #21435 from wordpress-mobile/fix/center-footer-spinner

Reader: Centers the footer spinner in its view.

Author: aerych

WordPress/Classes/ViewRelated/Post/PostListFooterView.xib

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="19162" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="21701" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES">
     <device id="retina4_7" orientation="portrait" appearance="light"/>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="19144"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="21678"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <objects>
@@ -13,12 +13,15 @@
             <rect key="frame" x="0.0" y="0.0" width="300" height="44"/>
             <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
             <subviews>
-                <activityIndicatorView hidden="YES" opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" fixedFrame="YES" hidesWhenStopped="YES" style="gray" translatesAutoresizingMaskIntoConstraints="NO" id="F4q-47-pPM">
+                <activityIndicatorView hidden="YES" opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" hidesWhenStopped="YES" style="gray" translatesAutoresizingMaskIntoConstraints="NO" id="F4q-47-pPM">
                     <rect key="frame" x="140" y="12" width="20" height="20"/>
-                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                 </activityIndicatorView>
             </subviews>
             <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+            <constraints>
+                <constraint firstItem="F4q-47-pPM" firstAttribute="centerY" secondItem="TCZ-n9-coy" secondAttribute="centerY" id="Uel-Nf-Lff"/>
+                <constraint firstItem="F4q-47-pPM" firstAttribute="centerX" secondItem="TCZ-n9-coy" secondAttribute="centerX" id="e75-fm-R2o"/>
+            </constraints>
             <nil key="simulatedStatusBarMetrics"/>
             <nil key="simulatedTopBarMetrics"/>
             <nil key="simulatedBottomBarMetrics"/>