Improved UIAppearance support, fixes #12

Author: mrackwitz

Example/MRProgressOverlayTableViewController.m

@@ -17,6 +17,10 @@ @interface MRProgressOverlayTableViewController ()
 
 @implementation MRProgressOverlayTableViewController
 
++ (void)load {
+    [MRProgressOverlayView appearanceWhenContainedIn:UIImageView.class, nil].titleLabelText = @"Waiting ...";
+}
+
 - (UIView *)rootView {
     return self.delegate.viewForProgressOverlay;
 }

src/Components/MRActivityIndicatorView.h

@@ -23,7 +23,7 @@
  
  The default value is 2.f. 
  */
-@property (nonatomic) CGFloat lineWidth;
+@property (nonatomic) CGFloat lineWidth UI_APPEARANCE_SELECTOR;
 
 /**
  A Boolean value that controls whether the receiver is hidden when the animation is stopped.

src/Components/MRCircularProgressView.h

@@ -34,7 +34,7 @@
  
  Default is 0.3s. Must be larger than zero.
  */
-@property (nonatomic, assign) CFTimeInterval animationDuration;
+@property (nonatomic, assign) CFTimeInterval animationDuration UI_APPEARANCE_SELECTOR;
 
 /**
  Change progress animated.

src/Components/MRCircularProgressView.m

@@ -54,7 +54,7 @@ - (CAShapeLayer *)shapeLayer {
 }
 
 - (void)commonInit {
-    self.animationDuration = 0.3;
+    _animationDuration = 0.3;
     self.progress = 0;
 
     [self addTarget:self action:@selector(didTouchDown) forControlEvents:UIControlEventTouchDown];

src/Components/MRProgressOverlayView.h

@@ -118,7 +118,7 @@ typedef NS_ENUM(NSUInteger, MRProgressOverlayViewMode){
  By default "Loading ...".
  This will automatically call setTitleLabelAttributedText: with current string attributes.
  */
-@property (nonatomic, strong) NSString *titleLabelText;
+@property (nonatomic, strong) NSString *titleLabelText UI_APPEARANCE_SELECTOR;
 
 /**
  Title label attributed text.