Fixed separator line height (MessageKit#667)

zhongwuzw · web-flow · commit a9a68f64768b · 2018-05-01T00:30:55.000+08:00
* Fixed separator line height

* Update CHANGELOG.md
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -98,6 +98,9 @@ You must now set this font explicitly through the `emojiMessageSizeCalculator` o
 - The result of the `MessagesDisplayDelegate` method `textColor(for message:...)` no longer applies to `.attributedText` case of `MessageData`.
 [#625](https://github.com/MessageKit/MessageKit/pull/625) by [@cwalo](https://github.com/cwalo).
 
+- Removed the explicit height constraint from the `separatorLine` in `MessageInputBar`.
+[#667](https://github.com/MessageKit/MessageKit/pull/667) by [@zhongwuzw](https://github.com/zhongwuzw)
+
 ### Removed
 
 - **Breaking Change** Removed `NSLayoutConstraintSet` by changing access control from `public` to `internal`.
diff --git a/Sources/Views/MessageInputBar.swift b/Sources/Views/MessageInputBar.swift
@@ -340,7 +340,7 @@ open class MessageInputBar: UIView {
     private func setupConstraints() {
         
         // The constraints within the MessageInputBar
-        separatorLine.addConstraints(topAnchor, left: leftAnchor, right: rightAnchor, heightConstant: 1)
+        separatorLine.addConstraints(topAnchor, left: leftAnchor, right: rightAnchor)
         backgroundViewBottomAnchor = backgroundView.bottomAnchor.constraint(equalTo: bottomAnchor)
         backgroundViewBottomAnchor?.isActive = true
         backgroundView.addConstraints(topStackView.bottomAnchor, left: leftAnchor, right: rightAnchor)
