Better alternative technique for dragging the keyboard on iOS 9/10

Examples/Messenger-Storyboard/Base.lproj/Main.storyboard

@@ -1,14 +1,14 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="9531" systemVersion="14F27" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="0WO-Kt-Oxc">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="0WO-Kt-Oxc">
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9529"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
     </dependencies>
     <scenes>
         <!--Message View Controller-->
         <scene sceneID="tne-QT-ifu">
             <objects>
-                <viewController hidesBottomBarWhenPushed="YES" id="BYZ-38-t0r" customClass="MessageViewController" sceneMemberID="viewController">
+                <viewController id="BYZ-38-t0r" customClass="MessageViewController" sceneMemberID="viewController">
                     <layoutGuides>
                         <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
                         <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>

Source/SLKInputAccessoryView.m

@@ -16,9 +16,7 @@ @implementation SLKInputAccessoryView
 
 - (void)willMoveToSuperview:(UIView *)newSuperview
 {
-    if (!SLK_IS_IOS9_AND_HIGHER) {
-        _keyboardViewProxy = newSuperview;
-    }
+    _keyboardViewProxy = newSuperview;
 }
 
 @end

Source/SLKTextViewController.h

@@ -74,21 +74,19 @@ NS_CLASS_AVAILABLE_IOS(7_0) @interface SLKTextViewController : UIViewController
 /** A single tap gesture used to dismiss the keyboard. SLKTextViewController is its delegate. */
 @property (nonatomic, readonly) UIGestureRecognizer *singleTapGesture;
 
-/** A vertical pan gesture used for bringing the keyboard from the bottom. SLKTextViewController is its delegate. */
+/** A vertical pan gesture used for moving the keyboard up and bottom. SLKTextViewController is its delegate. */
 @property (nonatomic, readonly) UIPanGestureRecognizer *verticalPanGesture;
 
+/** A vertical swipe gesture used for bringing the keyboard from the bottom. SLKTextViewController is its delegate. */
+@property (nonatomic, readonly) UISwipeGestureRecognizer *verticalSwipeGesture;
+
 /** YES if animations should have bouncy effects. Default is YES. */
 @property (nonatomic, assign) BOOL bounces;
 
 /** YES if text view's content can be cleaned with a shake gesture. Default is NO. */
 @property (nonatomic, assign) BOOL shakeToClearEnabled;
 
-/**
- YES if keyboard can be dismissed gradually with a vertical panning gesture. Default is YES.
-
- This feature doesn't work on iOS 9 due to no legit alternatives to detect the keyboard view.
- Open Radar: http://openradar.appspot.com/radar?id=5021485877952512
- */
+/** YES if keyboard can be dismissed gradually with a vertical panning gesture. Default is YES. */
 @property (nonatomic, assign, getter = isKeyboardPanningEnabled) BOOL keyboardPanningEnabled;
 
 /** YES if an external keyboard has been detected (this value updates only when the text view becomes first responder). */
@@ -565,6 +563,7 @@ NS_CLASS_AVAILABLE_IOS(7_0) @interface SLKTextViewController : UIViewController
 
 /** UIGestureRecognizerDelegate */
 - (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer NS_REQUIRES_SUPER;
+- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer NS_REQUIRES_SUPER;
 
 /** UIAlertViewDelegate */
 #ifndef __IPHONE_8_0