Draw circle with two colors

gistfile1.m

    CGFloat borderWidth = 3.f;
    CGFloat circleRadius = self.bounds.size.width / 2 - borderWidth;
    CGPoint circleCenter = CGPointMake(CGRectGetMidX(rect), CGRectGetMidY(rect));

    
    
    CGContextRef context = UIGraphicsGetCurrentContext();
    CGContextSetStrokeColorWithColor(context, [[UIColor colorWithRed:255.0/255.0 green:210.0/255.0 blue:60.0/255.0 alpha:1] CGColor]);
    
    UIBezierPath *firstHalf = [UIBezierPath bezierPath];
    [firstHalf addArcWithCenter:circleCenter radius:circleRadius startAngle:-M_PI_2 endAngle:M_PI_2 clockwise:YES];
    [firstHalf setLineWidth:borderWidth];
    [firstHalf stroke];
    
    CGContextSetStrokeColorWithColor(context, [[UIColor colorWithRed:255.0/255.0 green:109.0/255.0 blue:38.0/255.0 alpha:1] CGColor]);
    
    UIBezierPath *secondHalf = [UIBezierPath bezierPath];
    [secondHalf addArcWithCenter:circleCenter radius:circleRadius startAngle:M_PI_2 endAngle:3.0 * M_PI_2 clockwise:YES];
    [secondHalf setLineWidth:borderWidth];
    [secondHalf stroke];