From 7e538f20e35d16d4749e0b31304afdd5fc334567 Mon Sep 17 00:00:00 2001
From: Robert Dimitrov <robert_dimitrov@me.com>
Date: Thu, 11 Dec 2014 18:34:13 +0200
Subject: [PATCH] Fix a bug where old view controllers and tab bar items were
 not removed properly when setting new ones.

---
 RDVTabBarController/RDVTabBar.m           | 4 ++--
 RDVTabBarController/RDVTabBarController.m | 8 ++++++++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/RDVTabBarController/RDVTabBar.m b/RDVTabBarController/RDVTabBar.m
index 8da27e4..03aada1 100755
--- a/RDVTabBarController/RDVTabBar.m
+++ b/RDVTabBarController/RDVTabBar.m
@@ -99,12 +99,12 @@ - (void)setItemWidth:(CGFloat)itemWidth {
 }
 
 - (void)setItems:(NSArray *)items {
-    for (RDVTabBarItem *item in items) {
+    for (RDVTabBarItem *item in _items) {
         [item removeFromSuperview];
     }
     
     _items = [items copy];
-    for (RDVTabBarItem *item in items) {
+    for (RDVTabBarItem *item in _items) {
         [item addTarget:self action:@selector(tabBarItemWasSelected:) forControlEvents:UIControlEventTouchDown];
         [self addSubview:item];
     }
diff --git a/RDVTabBarController/RDVTabBarController.m b/RDVTabBarController/RDVTabBarController.m
index a737f80..7eee511 100755
--- a/RDVTabBarController/RDVTabBarController.m
+++ b/RDVTabBarController/RDVTabBarController.m
@@ -123,6 +123,14 @@ - (void)setSelectedIndex:(NSUInteger)selectedIndex {
 }
 
 - (void)setViewControllers:(NSArray *)viewControllers {
+    if (_viewControllers && _viewControllers.count) {
+        for (UIViewController *viewController in _viewControllers) {
+            [viewController willMoveToParentViewController:nil];
+            [viewController.view removeFromSuperview];
+            [viewController removeFromParentViewController];
+        }
+    }
+
     if (viewControllers && [viewControllers isKindOfClass:[NSArray class]]) {
         _viewControllers = [viewControllers copy];