Drawing sample

gistfile1.m

- (void)drawRect:(CGRect)rect
{
    // Drawing code
    
    CGContextRef context = UIGraphicsGetCurrentContext();
    
    CGContextMoveToPoint(context, 100, 100);
    CGContextAddLineToPoint(context, 200, 200);
    CGContextAddRect(context, CGRectMake(200, 200, 100, 100));
    CGContextStrokePath(context);
    
}