DEMO Code Added

XYPieChart/XYPieChart.h

@@ -0,0 +1,42 @@
+//
+//  XYPieView.h
+//  XYPieChart
+//
+//  Created by XY Feng on 2/24/12.
+//  Copyright (c) 2012 Xiaoyang Feng. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@class XYPieChart;
+@protocol XYPieViewDataSource <NSObject>
+@required
+- (NSUInteger)numberOfSlicesInPieView:(XYPieChart *)pieView;
+- (CGFloat)pieView:(XYPieChart *)pieView valueForSliceAtIndex:(NSUInteger)index;
+@optional
+- (UIColor *)pieView:(XYPieChart *)pieView colorForSliceAtIndex:(NSUInteger)index;
+@end
+
+@protocol XYPieViewDelegate <NSObject>
+@optional
+- (void)pieView:(XYPieChart *)pieView willSelectSliceAtIndex:(NSUInteger)index;
+- (void)pieView:(XYPieChart *)pieView didSelectSliceAtIndex:(NSUInteger)index;
+- (void)pieView:(XYPieChart *)pieView willDeselectSliceAtIndex:(NSUInteger)index;
+- (void)pieView:(XYPieChart *)pieView didDeselectSliceAtIndex:(NSUInteger)index;
+@end
+
+@interface XYPieChart : UIView
+@property(nonatomic, weak) id<XYPieViewDataSource> dataSource;
+@property(nonatomic, weak) id<XYPieViewDelegate> delegate;
+@property(nonatomic, assign) CGFloat startPieAngle;
+@property(nonatomic, assign) CGFloat animationSpeed;
+@property(nonatomic, assign) CGPoint pieCenter;
+@property(nonatomic, assign) CGFloat pieRadius;
+@property(nonatomic, assign) BOOL    showLabel;
+@property(nonatomic, strong) UIFont  *labelFont;
+@property(nonatomic, assign) CGFloat labelRadius;
+@property(nonatomic, assign) CGFloat selectionStroke;
+@property(nonatomic, assign) BOOL    showPercentage;
+- (id)initWithFrame:(CGRect)frame Center:(CGPoint)center Radius:(CGFloat)radius;
+- (void)reloadData;
+@end;