Do not synthesize CALayer properties

The CALayer class has automatic properties so we can just use @dynamic instead of @synthesize See Rob Napier (@cocoaphony) Animating Custom Layer Properties talk at http://cocoaheads.tv/animating-custom-layer-properties-by-rob-napier/
danielamitay · Oct 22, 2012 · 92c2ec9 · 92c2ec9
1 parent 8eb2deb
commit 92c2ec9
Showing 1 changed file with 5 additions and 19 deletions.
diff --git a/DACircularProgress/DACircularProgressView.m b/DACircularProgress/DACircularProgressView.m
@@ -22,31 +22,17 @@ @interface DACircularProgressLayer : CALayer
 
 @implementation DACircularProgressLayer
 
-@synthesize trackTintColor = _trackTintColor;
+@dynamic trackTintColor;
-@synthesize progressTintColor = _progressTintColor;
+@dynamic progressTintColor;
-@synthesize roundedCorners = _roundedCorners;
+@dynamic roundedCorners;
-@synthesize thicknessRatio = _thicknessRatio;
+@dynamic thicknessRatio;
-@synthesize progress = _progress;
+@dynamic progress;
 
 + (BOOL)needsDisplayForKey:(NSString *)key
 {
     return [key isEqualToString:@"progress"] ? YES : [super needsDisplayForKey:key];
 }
 
-- (id)initWithLayer:(DACircularProgressLayer *)layer
-{
-    self = [super initWithLayer:layer];
-    if (self)
-    {
-        self.trackTintColor = layer.trackTintColor;
-        self.progressTintColor = layer.progressTintColor;
-        self.roundedCorners = layer.roundedCorners;
-        self.thicknessRatio = layer.thicknessRatio;
-        self.progress = layer.progress;
-    }
-    return self;
-}
-
 - (void)drawInContext:(CGContextRef)context
 {
     CGRect rect = self.bounds;