1.修改iOS RAImage Signature增加Title。

RA Image/RA Image/pod.storyboard

@@ -136,12 +136,22 @@
                                 <nil key="highlightedColor"/>
                             </label>
                             <imageView contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="tap_signature" translatesAutoresizingMaskIntoConstraints="NO" id="RqS-9Z-Sx4">
-                                <rect key="frame" x="20" y="385" width="280" height="71"/>
+                                <rect key="frame" x="20" y="410" width="280" height="46"/>
                             </imageView>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Signature" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="dOo-cX-PbJ">
+                                <rect key="frame" x="20" y="385" width="280" height="21"/>
+                                <constraints>
+                                    <constraint firstAttribute="height" constant="21" id="SyT-Cx-e9U"/>
+                                </constraints>
+                                <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                                <nil key="textColor"/>
+                                <nil key="highlightedColor"/>
+                            </label>
                         </subviews>
                         <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
                         <constraints>
                             <constraint firstItem="kIh-Dp-XpI" firstAttribute="leading" secondItem="a7p-Is-pkn" secondAttribute="trailing" constant="30" id="77K-g8-GCE"/>
+                            <constraint firstItem="dOo-cX-PbJ" firstAttribute="trailing" secondItem="fCY-Do-hbH" secondAttribute="trailing" id="7Ld-kJ-en0"/>
                             <constraint firstItem="utR-SX-vR9" firstAttribute="bottom" secondItem="kIh-Dp-XpI" secondAttribute="bottom" id="9p6-dA-fSp"/>
                             <constraint firstItem="rhm-0R-9Ma" firstAttribute="top" secondItem="a7p-Is-pkn" secondAttribute="bottom" constant="-20" id="9yG-lR-XFt"/>
                             <constraint firstItem="Oef-9h-Tp8" firstAttribute="height" secondItem="utR-SX-vR9" secondAttribute="height" id="ADi-At-7xY"/>
@@ -182,7 +192,7 @@
                             <constraint firstItem="Oef-9h-Tp8" firstAttribute="bottom" secondItem="utR-SX-vR9" secondAttribute="bottom" id="gsr-Wf-jrv"/>
                             <constraint firstItem="utR-SX-vR9" firstAttribute="top" secondItem="kIh-Dp-XpI" secondAttribute="top" id="hHZ-8z-RSD"/>
                             <constraint firstItem="Oef-9h-Tp8" firstAttribute="bottom" secondItem="utR-SX-vR9" secondAttribute="bottom" id="hsj-Ka-rj4"/>
-                            <constraint firstItem="RqS-9Z-Sx4" firstAttribute="top" secondItem="fCY-Do-hbH" secondAttribute="bottom" constant="5" id="l8A-ro-K6N"/>
+                            <constraint firstItem="RqS-9Z-Sx4" firstAttribute="top" secondItem="fCY-Do-hbH" secondAttribute="bottom" constant="30" id="l8A-ro-K6N"/>
                             <constraint firstItem="fCY-Do-hbH" firstAttribute="leading" secondItem="kIh-Dp-XpI" secondAttribute="leading" id="m5f-9o-xA1"/>
                             <constraint firstItem="utR-SX-vR9" firstAttribute="baseline" secondItem="Oef-9h-Tp8" secondAttribute="baseline" id="mBF-bs-g8J"/>
                             <constraint firstItem="Oef-9h-Tp8" firstAttribute="trailing" secondItem="fCY-Do-hbH" secondAttribute="trailing" id="mOy-Bj-2Vt"/>
@@ -195,10 +205,12 @@
                             <constraint firstItem="a7p-Is-pkn" firstAttribute="leading" secondItem="kMJ-qN-sNr" secondAttribute="leadingMargin" constant="30" id="qPJ-in-xga"/>
                             <constraint firstItem="kIh-Dp-XpI" firstAttribute="leading" secondItem="fCY-Do-hbH" secondAttribute="leading" id="qoK-En-j6n"/>
                             <constraint firstItem="a7e-bt-oTC" firstAttribute="centerY" secondItem="fCY-Do-hbH" secondAttribute="centerY" id="sgE-pf-J8J"/>
+                            <constraint firstItem="dOo-cX-PbJ" firstAttribute="leading" secondItem="fCY-Do-hbH" secondAttribute="leading" id="uER-dt-IHD"/>
                             <constraint firstItem="Oef-9h-Tp8" firstAttribute="width" secondItem="utR-SX-vR9" secondAttribute="width" id="vTL-Db-7b2"/>
                             <constraint firstItem="kIh-Dp-XpI" firstAttribute="height" secondItem="utR-SX-vR9" secondAttribute="height" id="wxU-rx-5Xn"/>
                             <constraint firstItem="Oef-9h-Tp8" firstAttribute="width" secondItem="utR-SX-vR9" secondAttribute="width" id="xLf-Iz-yOl"/>
                             <constraint firstItem="utR-SX-vR9" firstAttribute="centerX" secondItem="fCY-Do-hbH" secondAttribute="centerX" id="yNY-TU-ZgB"/>
+                            <constraint firstItem="dOo-cX-PbJ" firstAttribute="top" secondItem="fCY-Do-hbH" secondAttribute="bottom" constant="5" id="ygF-cb-xg3"/>
                             <constraint firstAttribute="trailingMargin" secondItem="fCY-Do-hbH" secondAttribute="trailing" id="zBN-od-jFM"/>
                         </constraints>
                         <variation key="default">
@@ -331,7 +343,7 @@
         </scene>
     </scenes>
     <resources>
-        <image name="camera" width="60" height="60"/>
+        <image name="camera" width="120" height="120"/>
         <image name="scan" width="60" height="60"/>
         <image name="tap_signature" width="180" height="180"/>
         <image name="upload" width="60" height="60"/>