Sample.xib

<?xml version="1.0" encoding="UTF-8"?>
<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="12120" systemVersion="16F73" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES">
    <device id="retina4_7" orientation="portrait">
        <adaptation id="fullscreen"/>
    </device>
    <dependencies>
        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12120"/>
        <capability name="Aspect ratio constraints" minToolsVersion="5.1"/>
        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
    </dependencies>
    <objects>
        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
        <view contentMode="scaleToFill" id="iN0-l3-epB">
            <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
            <subviews>
                <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="um2-Zp-TLd" customClass="EZClockView" customModule="EZClockView">
                    <rect key="frame" x="87.5" y="239" width="200" height="189"/>
                    <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                    <constraints>
                        <constraint firstAttribute="width" constant="200" id="Kf2-e1-gtU"/>
                        <constraint firstAttribute="width" secondItem="um2-Zp-TLd" secondAttribute="height" multiplier="224:213" constant="1" id="jJc-uz-b6b"/>
                    </constraints>
                    <userDefinedRuntimeAttributes>
                        <userDefinedRuntimeAttribute type="number" keyPath="hours">
                            <integer key="value" value="24"/>
                        </userDefinedRuntimeAttribute>
                        <userDefinedRuntimeAttribute type="number" keyPath="minutes">
                            <integer key="value" value="18"/>
                        </userDefinedRuntimeAttribute>
                        <userDefinedRuntimeAttribute type="number" keyPath="seconds">
                            <integer key="value" value="25"/>
                        </userDefinedRuntimeAttribute>
                        <userDefinedRuntimeAttribute type="number" keyPath="centerRadius">
                            <real key="value" value="8"/>
                        </userDefinedRuntimeAttribute>
                        <userDefinedRuntimeAttribute type="number" keyPath="faceBorderWidth">
                            <real key="value" value="3"/>
                        </userDefinedRuntimeAttribute>
                        <userDefinedRuntimeAttribute type="boolean" keyPath="shouldDrawHourMarkings" value="YES"/>
                        <userDefinedRuntimeAttribute type="boolean" keyPath="shouldDrawMinuteMarkings" value="YES"/>
                        <userDefinedRuntimeAttribute type="number" keyPath="markingBorderSpacing">
                            <real key="value" value="20"/>
                        </userDefinedRuntimeAttribute>
                        <userDefinedRuntimeAttribute type="number" keyPath="markingHourThickness">
                            <real key="value" value="3"/>
                        </userDefinedRuntimeAttribute>
                    </userDefinedRuntimeAttributes>
                </view>
            </subviews>
            <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
            <constraints>
                <constraint firstItem="um2-Zp-TLd" firstAttribute="centerY" secondItem="iN0-l3-epB" secondAttribute="centerY" id="Lm1-hO-cAn"/>
                <constraint firstItem="um2-Zp-TLd" firstAttribute="centerX" secondItem="iN0-l3-epB" secondAttribute="centerX" id="Pe1-He-oVf"/>
            </constraints>
        </view>
    </objects>
</document>