Added 'setNeedsLayout' and 'layoutIfNeeded' to animate the content #160

Author: hackiftekhar

IQKeyBoardManager/IQKeyboardManager.m

@@ -422,6 +422,11 @@ -(void)setRootViewFrame:(CGRect)frame
     [UIView animateWithDuration:_animationDuration delay:0 options:(_animationCurve|UIViewAnimationOptionBeginFromCurrentState) animations:^{
         //  Setting it's new frame
         [controller.view setFrame:frame];
+        
+        //Animating content (Bug ID: #160)
+        [controller.view setNeedsLayout];
+        [controller.view layoutIfNeeded];
+        
         _IQShowLog([NSString stringWithFormat:@"Set %@ frame to : %@",[controller _IQDescription],NSStringFromCGRect(frame)]);
     } completion:NULL];
 }
@@ -984,6 +989,11 @@ - (void)keyboardWillHide:(NSNotification*)aNotification
             _IQShowLog([NSString stringWithFormat:@"Restoring %@ frame to : %@",[_rootViewController _IQDescription],NSStringFromCGRect(_topViewBeginRect)]);
             //  Setting it's new frame
             [_rootViewController.view setFrame:_topViewBeginRect];
+            
+            //Animating content (Bug ID: #160)
+            [_rootViewController.view setNeedsLayout];
+            [_rootViewController.view layoutIfNeeded];
+            
         } completion:NULL];
         _rootViewController = nil;
     }