From 1c40df43e9ca23173a44ae77f0f83918f4a2d44a Mon Sep 17 00:00:00 2001
From: Jason Ibrahim <jasonaibrahim@gmail.com>
Date: Sat, 15 Sep 2018 16:20:42 -0700
Subject: [PATCH 1/2] automatically scroll to the bottom of scroll content view
 when keyboard is revealed

---
 MessageViewController/MessageViewController.swift | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/MessageViewController/MessageViewController.swift b/MessageViewController/MessageViewController.swift
index 30b4d98..06c3ee3 100644
--- a/MessageViewController/MessageViewController.swift
+++ b/MessageViewController/MessageViewController.swift
@@ -86,6 +86,7 @@ open class MessageViewController: UIViewController, MessageAutocompleteControlle
     internal var scrollView: UIScrollView?
     internal var keyboardHeight: CGFloat = 0
     internal var isMessageViewHidden = false
+    internal var scrollsToBottomOnKeyboardReveal = true
 
     internal func commonInit() {
         messageView.delegate = self
@@ -182,16 +183,21 @@ open class MessageViewController: UIViewController, MessageAutocompleteControlle
 
             let scrollViewHeight = scrollView.bounds.height
             let contentHeight = scrollView.contentSize.height
-            let inset = scrollView.util_adjustedContentInset
+            let topInset = scrollView.util_adjustedContentInset.top
             let bottomSafeInset = self.view.util_safeAreaInsets.bottom
 
-            let newOffset = max(
+            var newOffset = max(
                 min(
-                    contentHeight - scrollViewHeight + inset.bottom,
+                    contentHeight - scrollViewHeight,
                     contentOffset.y + self.keyboardHeight - previousKeyboardHeight - bottomSafeInset
                 ),
-                -inset.top
+                -topInset
             )
+
+            if self.scrollsToBottomOnKeyboardReveal && contentHeight > scrollViewHeight {
+                newOffset = contentHeight - scrollViewHeight
+            }
+
             scrollView.contentOffset = CGPoint(x: contentOffset.x, y: newOffset)
         }
     }

From 007179424b25fc3d943c8a792aa32b99beb447b2 Mon Sep 17 00:00:00 2001
From: Jason Ibrahim <jasonaibrahim@gmail.com>
Date: Tue, 2 Oct 2018 19:31:44 +0300
Subject: [PATCH 2/2] change default behavior for keyboard reveal to not reveal

---
 MessageViewController/MessageViewController.swift | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MessageViewController/MessageViewController.swift b/MessageViewController/MessageViewController.swift
index 06c3ee3..b41e238 100644
--- a/MessageViewController/MessageViewController.swift
+++ b/MessageViewController/MessageViewController.swift
@@ -86,7 +86,7 @@ open class MessageViewController: UIViewController, MessageAutocompleteControlle
     internal var scrollView: UIScrollView?
     internal var keyboardHeight: CGFloat = 0
     internal var isMessageViewHidden = false
-    internal var scrollsToBottomOnKeyboardReveal = true
+    internal var scrollsToBottomOnKeyboardReveal = false
 
     internal func commonInit() {
         messageView.delegate = self