issue-856: fixed issue where TextField.placeholderAnimation = .hidden was not…

issue-856: fixed issue where TextField.placeholderAnimation = .hidden was not correct being displayed when text was set to nil. Closes #856

Material.podspec

 Pod::Spec.new do |s|
     s.name = 'Material'
-    s.version = '2.10.1'
+    s.version = '2.10.2'
     s.license = 'BSD-3-Clause'
     s.summary = 'A Material Design library for creating beautiful applications.'
     s.homepage = 'http://materialswift.com'

Sources/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.10.1</string>
+	<string>2.10.2</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>

Sources/iOS/SearchBar.swift

@@ -216,11 +216,11 @@ fileprivate extension SearchBar {
         textField.font = RobotoFont.regular(with: 17)
         textField.backgroundColor = Color.clear
         textField.clearButtonMode = .whileEditing
+        textField.addTarget(self, action: #selector(handleEditingChanged(textField:)), for: .editingChanged)
         tintColor = placeholderColor
         textColor = Color.darkText.primary
         placeholder = "Search"
         contentView.addSubview(textField)
-        textField.addTarget(self, action: #selector(handleEditingChanged(textField:)), for: .editingChanged)
     }
     
     /// Prepares the clearButton.

Sources/iOS/TextField.swift

@@ -76,7 +76,12 @@ open class TextField: UITextField {
     /// Set the placeholder animation value.
     open var placeholderAnimation = TextFieldPlaceholderAnimation.default {
         didSet {
-            placeholderLabel.isHidden = .hidden == placeholderAnimation && !isEmpty
+            guard isEditing else {
+                placeholderLabel.isHidden = !isEmpty && .hidden == placeholderAnimation
+                return
+            }
+            
+            placeholderLabel.isHidden = .hidden == placeholderAnimation
         }
     }
     
@@ -85,6 +90,12 @@ open class TextField: UITextField {
         return 0 == text?.utf16.count
     }
     
+    open override var text: String? {
+        didSet {
+            placeholderAnimation = { placeholderAnimation }()
+        }
+    }
+    
     open override var leftView: UIView? {
         didSet {
             prepareLeftView()