samples/platform_view_swift/ios/Runner/PlatformViewController.xib

<?xml version="1.0" encoding="UTF-8"?>
<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="14490.70" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
    <device id="retina6_1" orientation="portrait">
        <adaptation id="fullscreen"/>
    </device>
    <dependencies>
        <deployment identifier="iOS"/>
        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14490.49"/>
        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
    </dependencies>
    <objects>
        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner" customClass="PlatformViewController" customModule="Runner" customModuleProvider="target">
            <connections>
                <outlet property="incrementLabel" destination="Fwz-pb-Vxw" id="LtN-bK-cIm"/>
                <outlet property="view" destination="i5M-Pr-FkT" id="sfx-zR-JGt"/>
            </connections>
        </placeholder>
        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
        <view clearsContextBeforeDrawing="NO" contentMode="scaleToFill" id="i5M-Pr-FkT">
            <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
            <subviews>
                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Button tapped 0 times." textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Fwz-pb-Vxw">
                    <rect key="frame" x="114.5" y="379.5" width="185" height="21.5"/>
                    <fontDescription key="fontDescription" type="system" pointSize="18"/>
                    <nil key="textColor"/>
                    <nil key="highlightedColor"/>
                </label>
                <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="0Q4-1m-vDk">
                    <rect key="frame" x="144" y="433" width="126" height="30"/>
                    <fontDescription key="fontDescription" type="system" pointSize="15"/>
                    <state key="normal" title="Increment counter"/>
                    <connections>
                        <action selector="handleIncrement:" destination="-1" eventType="touchUpInside" id="6jY-7M-lj4"/>
                    </connections>
                </button>
                <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="1Vb-F2-qFl">
                    <rect key="frame" x="125" y="495" width="164" height="30"/>
                    <fontDescription key="fontDescription" type="system" pointSize="15"/>
                    <state key="normal" title="Continue in Flutter View"/>
                    <connections>
                        <action selector="switchToFlutterView:" destination="-1" eventType="touchUpInside" id="tzA-cQ-gl6"/>
                    </connections>
                </button>
                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="iOS" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="QgT-DT-gSd">
                    <rect key="frame" x="16" y="828" width="47" height="36"/>
                    <fontDescription key="fontDescription" type="system" pointSize="30"/>
                    <color key="textColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
                    <nil key="highlightedColor"/>
                </label>
            </subviews>
            <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
            <constraints>
                <constraint firstItem="1Vb-F2-qFl" firstAttribute="top" secondItem="0Q4-1m-vDk" secondAttribute="bottom" constant="32" id="2Fr-G0-fL1"/>
                <constraint firstItem="0Q4-1m-vDk" firstAttribute="centerX" secondItem="i5M-Pr-FkT" secondAttribute="centerX" id="6R3-W6-Dle"/>
                <constraint firstItem="1Vb-F2-qFl" firstAttribute="centerX" secondItem="i5M-Pr-FkT" secondAttribute="centerX" id="8sv-fF-vKQ"/>
                <constraint firstItem="QgT-DT-gSd" firstAttribute="leading" secondItem="i5M-Pr-FkT" secondAttribute="leading" constant="16" id="8yF-bR-Te3"/>
                <constraint firstItem="0Q4-1m-vDk" firstAttribute="top" secondItem="Fwz-pb-Vxw" secondAttribute="bottom" constant="32" id="QNR-n2-WAr"/>
                <constraint firstItem="0Q4-1m-vDk" firstAttribute="centerY" secondItem="i5M-Pr-FkT" secondAttribute="centerY" id="YWH-R0-Md3"/>
                <constraint firstItem="QgT-DT-gSd" firstAttribute="bottom" secondItem="i5M-Pr-FkT" secondAttribute="bottom" constant="-32" id="bIY-Nb-J3I"/>
                <constraint firstItem="Fwz-pb-Vxw" firstAttribute="centerX" secondItem="i5M-Pr-FkT" secondAttribute="centerX" id="jcd-no-9jg"/>
            </constraints>
            <point key="canvasLocation" x="144.92753623188406" y="64.955357142857139"/>
        </view>
    </objects>
</document>