Weak-referenced UISwipeGestureRecognizer, restoring functionality wit…

…h devices that don't support it (pre 3.2.x)
peterhajas · Mar 8, 2011 · 8489ae0 · 8489ae0
1 parent af01c28
commit 8489ae0
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Showing 2 changed files with 13 additions and 8 deletions.
diff --git a/MNAlertViewController.m b/MNAlertViewController.m
@@ -194,14 +194,19 @@ -(void)viewDidLoad
 { 
     [super viewDidLoad];
 
-    // Single finger, double tap
-    UISwipeGestureRecognizer *swipeRight = [[UISwipeGestureRecognizer alloc]
-        initWithTarget:self action:@selector(didSwipeRight)];
-
-    swipeRight.numberOfTouchesRequired = 1;
-    swipeRight.direction = UISwipeGestureRecognizerDirectionRight;
-    [self.view addGestureRecognizer:swipeRight];
-    [swipeRight release];
+	//Thanks to a blog post by Marco Arment (http://www.marco.org/1648550153), we can support 3.x here.
+
+	if([UISwipeGestureRecognizer class] != nil)
+	{
+		// Single finger, double tap
+	    UISwipeGestureRecognizer *swipeRight = [[UISwipeGestureRecognizer alloc]
+	        initWithTarget:self action:@selector(didSwipeRight)];
+
+	    swipeRight.numberOfTouchesRequired = 1;
+	    swipeRight.direction = UISwipeGestureRecognizerDirectionRight;
+	    [self.view addGestureRecognizer:swipeRight];
+	    [swipeRight release];
+	}
 }
 
 -(void)didSwipeRight

diff --git a/layout/Library/Application Support/.DS_Store b/layout/Library/Application Support/.DS_Store