From e72e395a8e82d641f517dacfe113362e34461fe2 Mon Sep 17 00:00:00 2001
From: Klein Lieu <kleinvinhlieu@gmail.com>
Date: Sun, 22 Oct 2017 16:21:41 -0700
Subject: [PATCH 1/3] better initialization of containerView

---
 CMPopTipView/CMPopTipView.m | 26 ++++++--------------------
 1 file changed, 6 insertions(+), 20 deletions(-)

diff --git a/CMPopTipView/CMPopTipView.m b/CMPopTipView/CMPopTipView.m
index ee3f573..6e71775 100644
--- a/CMPopTipView/CMPopTipView.m
+++ b/CMPopTipView/CMPopTipView.m
@@ -616,29 +616,15 @@ - (void)presentPointingAtView:(UIView *)targetView inView:(UIView *)containerVie
 
 - (void)presentPointingAtBarButtonItem:(UIBarButtonItem *)barButtonItem animated:(BOOL)animated {
 	UIView *targetView = (UIView *)[barButtonItem performSelector:@selector(view)];
+    UIView *containerView = targetView.window;
     
-    // Try to find the superview of the UINavigationBar. Limit the number of tries to 8.
-    UIView *containerView = targetView.superview;
-    for(NSInteger i = 0; i < 8; ++i) {
-        if ([containerView isKindOfClass:[UIToolbar class]]) {
-            containerView = containerView.superview;
-            break;
-        }
-        
-        if([containerView isKindOfClass:[UINavigationBar class]]) {
-            containerView = containerView.superview;
-            break;
-        }
-        containerView = containerView.superview;
+    if (nil == containerView) {
+        NSLog(@"Cannot determine container view from UIBarButtonItem: %@", barButtonItem);
+        self.targetObject = nil;
+        return;
     }
 
-	if (nil == containerView) {
-		NSLog(@"Cannot determine container view from UIBarButtonItem: %@", barButtonItem);
-		self.targetObject = nil;
-		return;
-	}
-
-	self.targetObject = barButtonItem;
+    self.targetObject = barButtonItem;
 
 	[self presentPointingAtView:targetView inView:containerView animated:animated];
 }

From 7a2b3950e682b3adc441ae4ee02520b4317b2a83 Mon Sep 17 00:00:00 2001
From: Klein Lieu <kleinvinhlieu@gmail.com>
Date: Sun, 22 Oct 2017 16:23:47 -0700
Subject: [PATCH 2/3] adds fixes for ios 11 barbuttonitem issue

---
 .gitignore           | 1 +
 CMPopTipView.podspec | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/.gitignore b/.gitignore
index 4eb9fe5..28f192f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,3 +26,4 @@ DerivedData
 Pods/
 ._*
 .DS_Store
+*~
\ No newline at end of file
diff --git a/CMPopTipView.podspec b/CMPopTipView.podspec
index d45f50c..5677eb0 100755
--- a/CMPopTipView.podspec
+++ b/CMPopTipView.podspec
@@ -1,11 +1,11 @@
 Pod::Spec.new do |s|
   s.name         = "CMPopTipView"
-  s.version      = "2.3.0"
+  s.version      = "2.3.1"
   s.summary      = "Custom UIView for iOS that pops up an animated \"bubble\" pointing at a button or other view. Useful for popup tips."
   s.homepage     = "https://github.com/chrismiles/CMPopTipView"
   s.license      = { :type => "MIT", :file => "LICENSE" }
   s.author       = { "Chris Miles" => "http://chrismiles.info/" }
-  s.source       = { :git => "https://github.com/chrismiles/CMPopTipView.git", :tag => "2.3.0" }
+  s.source       = { :git => "https://github.com/chrismiles/CMPopTipView.git", :tag => "2.3.1" }
   s.platform     = :ios, "6.0"
   s.requires_arc = true
   s.source_files = "CMPopTipView/*.{h,m}"

From a0feb86c0bd7c8d18180e7d4d8c0c8da011d5951 Mon Sep 17 00:00:00 2001
From: Klein Lieu <kleinvinhlieu@gmail.com>
Date: Sun, 22 Oct 2017 16:24:40 -0700
Subject: [PATCH 3/3] fix indentation

---
 CMPopTipView/CMPopTipView.m | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/CMPopTipView/CMPopTipView.m b/CMPopTipView/CMPopTipView.m
index 6e71775..9b601f9 100644
--- a/CMPopTipView/CMPopTipView.m
+++ b/CMPopTipView/CMPopTipView.m
@@ -615,9 +615,9 @@ - (void)presentPointingAtView:(UIView *)targetView inView:(UIView *)containerVie
 }
 
 - (void)presentPointingAtBarButtonItem:(UIBarButtonItem *)barButtonItem animated:(BOOL)animated {
-	UIView *targetView = (UIView *)[barButtonItem performSelector:@selector(view)];
+    UIView *targetView = (UIView *)[barButtonItem performSelector:@selector(view)];
     UIView *containerView = targetView.window;
-    
+
     if (nil == containerView) {
         NSLog(@"Cannot determine container view from UIBarButtonItem: %@", barButtonItem);
         self.targetObject = nil;
@@ -626,7 +626,7 @@ - (void)presentPointingAtBarButtonItem:(UIBarButtonItem *)barButtonItem animated
 
     self.targetObject = barButtonItem;
 
-	[self presentPointingAtView:targetView inView:containerView animated:animated];
+    [self presentPointingAtView:targetView inView:containerView animated:animated];
 }
 
 - (void)finaliseDismiss {