Add ASViewController example

examples/ASViewController/Sample/DetailViewController.m

@@ -0,0 +1,27 @@
+/* This file provided by Facebook is for non-commercial testing and evaluation
+ * purposes only.  Facebook reserves all rights not expressly granted.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#import "DetailViewController.h"
+#import <AsyncDisplayKit/AsyncDisplayKit.h>
+
+#import "DetailRootNode.h"
+
+@implementation DetailViewController
+
+#pragma mark - Rotation
+
+- (void)viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator
+{
+    [super viewWillTransitionToSize:size withTransitionCoordinator:coordinator];
+    [self.node.collectionNode.view invalidateIntrinsicContentSize];
+}
+
+@end