Merge pull request #6 from jmig/kvo-fix

KVO Fixing, Updated .gitignore

.gitignore

@@ -1,2 +1,23 @@
+# OS X
 .DS_Store
+
+# Xcode
+build/
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
 xcuserdata
+*.xccheckout
+profile
+*.moved-aside
+DerivedData
+*.hmap
+*.ipa
+
+# CocoaPods
+Pods

BDBSplitViewController/BDBSplitViewController.m

@@ -99,6 +99,12 @@ - (id)initWithMasterViewController:(UIViewController *)mvc detailViewController:
     return self;
 }
 
+- (void)dealloc
+{
+    //Remove the observer to avoid KVO informations leakage error (NSKVODeallocateBreak)
+    [self.detailViewController removeObserver:self forKeyPath:@"view.frame" context:kBDBSplitViewKVOContext];
+}
+
 - (void)awakeFromNib
 {
     [super awakeFromNib];
@@ -139,13 +145,16 @@ - (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrie
 
 - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
 {
-    if ([object isEqual:self.detailViewController] && [keyPath isEqualToString:@"view.frame"])
+    if (context == kBDBSplitViewKVOContext)
     {
-        UIView *view = self.detailViewController.view;
-        CGRect currentFrame = [change[@"new"] CGRectValue];
-        CGRect properFrame = [self detailViewFrameForState:self.masterViewState];
-        if (!CGRectEqualToRect(currentFrame, properFrame))
-            view.frame = [self detailViewFrameForState:self.masterViewState];
+        if ([object isEqual:self.detailViewController] && [keyPath isEqualToString:@"view.frame"])
+        {
+            UIView *view = self.detailViewController.view;
+            CGRect currentFrame = [change[@"new"] CGRectValue];
+            CGRect properFrame = [self detailViewFrameForState:self.masterViewState];
+            if (!CGRectEqualToRect(currentFrame, properFrame))
+                view.frame = [self detailViewFrameForState:self.masterViewState];
+        }
     }
     else
         [super observeValueForKeyPath:keyPath ofObject:object change:change context:context];