added push to show youtube example.

Example/Example/Base.lproj/Storyboard.storyboard

@@ -350,6 +350,7 @@
                     <simulatedStatusBarMetrics key="simulatedStatusBarMetrics" statusBarStyle="lightContent"/>
                     <nil key="simulatedBottomBarMetrics"/>
                     <tabBar key="tabBar" contentMode="scaleToFill" translucent="NO" id="Ki8-MR-faU">
+                        <rect key="frame" x="0.0" y="0.0" width="1000" height="1000"/>
                         <autoresizingMask key="autoresizingMask"/>
                         <color key="tintColor" red="0.027450980390000001" green="0.72549019609999998" blue="0.60784313729999995" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                     </tabBar>
@@ -808,13 +809,42 @@
                         <autoresizingMask key="autoresizingMask"/>
                     </toolbar>
                     <connections>
-                        <segue destination="Y1C-8r-zKe" kind="relationship" relationship="rootViewController" id="Z69-15-Zno"/>
+                        <segue destination="btf-kb-vt1" kind="relationship" relationship="rootViewController" id="G6T-o8-6Hz"/>
                     </connections>
                 </navigationController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="eRh-1T-1Zf" userLabel="First Responder" sceneMemberID="firstResponder"/>
             </objects>
             <point key="canvasLocation" x="-229" y="-2388"/>
         </scene>
+        <!--View Controller-->
+        <scene sceneID="HE7-gr-1rR">
+            <objects>
+                <viewController id="btf-kb-vt1" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="EBh-30-wmN"/>
+                        <viewControllerLayoutGuide type="bottom" id="oIy-xE-DmK"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="6rg-YN-XKC">
+                        <rect key="frame" x="0.0" y="64" width="375" height="603"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <button opaque="NO" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="mSA-qY-gR1">
+                                <rect key="frame" x="164" y="266" width="46" height="30"/>
+                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                                <state key="normal" title="Button"/>
+                                <connections>
+                                    <segue destination="Y1C-8r-zKe" kind="show" id="7vG-sb-TIf"/>
+                                </connections>
+                            </button>
+                        </subviews>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                    </view>
+                    <navigationItem key="navigationItem" id="5x4-Tx-Dyl"/>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="EIg-eL-9rn" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="476" y="-2876"/>
+        </scene>
         <!--Youtube Example View Controller-->
         <scene sceneID="9xA-v7-4VD">
             <objects>
@@ -890,7 +920,7 @@
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="2AN-72-EPV" userLabel="First Responder" sceneMemberID="firstResponder"/>
             </objects>
-            <point key="canvasLocation" x="518" y="-2380"/>
+            <point key="canvasLocation" x="1264.8" y="-3152.4737631184412"/>
         </scene>
     </scenes>
     <resources>