1.修改iOS Camera显示区域。

common/Camera/Camera.storyboard

@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="14313.18" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="14460.31" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
     <device id="retina4_7" orientation="portrait">
         <adaptation id="fullscreen"/>
     </device>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14283.14"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14460.20"/>
         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
@@ -19,7 +19,7 @@
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
                             <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="aIR-II-sqh">
-                                <rect key="frame" x="0.0" y="20" width="375" height="647"/>
+                                <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                                 <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                             </view>
                             <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="2cM-nE-ueF">
@@ -52,16 +52,16 @@
                         </subviews>
                         <color key="backgroundColor" red="0.76354031735751293" green="0.76354031735751293" blue="0.76354031735751293" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
+                            <constraint firstItem="aIR-II-sqh" firstAttribute="leading" secondItem="ZFi-1H-xB4" secondAttribute="leading" id="1yp-i3-hXU"/>
+                            <constraint firstItem="aIR-II-sqh" firstAttribute="width" secondItem="ZFi-1H-xB4" secondAttribute="width" id="3jE-Zo-qAc"/>
                             <constraint firstItem="fLT-zm-dh6" firstAttribute="bottom" secondItem="2cM-nE-ueF" secondAttribute="bottom" id="9Y0-7J-sXY"/>
-                            <constraint firstItem="fLT-zm-dh6" firstAttribute="trailing" secondItem="aIR-II-sqh" secondAttribute="trailing" id="CZh-X5-9Zr"/>
                             <constraint firstItem="2cM-nE-ueF" firstAttribute="leading" secondItem="fLT-zm-dh6" secondAttribute="leading" id="Igd-YW-xgj"/>
-                            <constraint firstItem="fLT-zm-dh6" firstAttribute="bottom" secondItem="aIR-II-sqh" secondAttribute="bottom" id="bSC-7H-ATA"/>
+                            <constraint firstItem="aIR-II-sqh" firstAttribute="top" secondItem="ZFi-1H-xB4" secondAttribute="top" id="c6A-tS-Txg"/>
                             <constraint firstItem="mbh-f5-Pjk" firstAttribute="leading" secondItem="fLT-zm-dh6" secondAttribute="leading" constant="10" id="d8B-Ug-GS1"/>
                             <constraint firstItem="2cM-nE-ueF" firstAttribute="top" secondItem="fLT-zm-dh6" secondAttribute="top" id="fox-Pf-jXw"/>
-                            <constraint firstItem="aIR-II-sqh" firstAttribute="top" secondItem="fLT-zm-dh6" secondAttribute="top" id="iNS-Ag-rc8"/>
+                            <constraint firstItem="aIR-II-sqh" firstAttribute="height" secondItem="ZFi-1H-xB4" secondAttribute="height" id="k6W-n9-nE2"/>
                             <constraint firstItem="fLT-zm-dh6" firstAttribute="trailing" secondItem="2cM-nE-ueF" secondAttribute="trailing" id="plK-cA-ZV1"/>
                             <constraint firstItem="mbh-f5-Pjk" firstAttribute="top" secondItem="fLT-zm-dh6" secondAttribute="top" constant="20" id="vud-1w-6K9"/>
-                            <constraint firstItem="aIR-II-sqh" firstAttribute="leading" secondItem="fLT-zm-dh6" secondAttribute="leading" id="yWd-lg-8xz"/>
                         </constraints>
                         <viewLayoutGuide key="safeArea" id="fLT-zm-dh6"/>
                     </view>