Merge pull request #16 from alanihre/master

Fixed a problem where the text color of the float label was changed t…

UIFloatLabelTextField/UIFloatLabelTextField.m

@@ -336,28 +336,35 @@ - (void)layoutSubviews
 #pragma mark - UIResponder (Override)
 -(BOOL)becomeFirstResponder
 {
-    [super becomeFirstResponder];
-
-    /*
-     verticalPadding must be manually set if textField was initialized
-     using NSAutoLayout constraints
-     */
-
-    _floatLabel.textColor = _floatLabelActiveColor;
-    _storedText = [self text];
+    if ([super becomeFirstResponder]) {
+        /*
+         verticalPadding must be manually set if textField was initialized
+         using NSAutoLayout constraints
+         */
+
+        _floatLabel.textColor = _floatLabelActiveColor;
+        _storedText = [self text];
+
+        return YES;
+    } else {
+        return NO;
+    }
 
-    return YES;
 }
 
 - (BOOL)resignFirstResponder
 {
-    if ([_floatLabel.text length]) {
-        _floatLabel.textColor = _floatLabelPassiveColor;
+    if ([self canResignFirstResponder]) {
+        if ([_floatLabel.text length]) {
+            _floatLabel.textColor = _floatLabelPassiveColor;
+        }
+
+        [super resignFirstResponder];
+
+        return YES;
+    } else {
+        return NO;
     }
-
-    [super resignFirstResponder];
-
-    return YES;
 }
 
 - (BOOL)canPerformAction:(SEL)action withSender:(id)sender