iOS Drawing curve charts

-(void) drawline{        //view is the background of the curve view    UIView *view = [[UIView alloc]initwithframe:cgrectmake (0, +)];    View.backgroundcolor = [Uicolor whitecolor];    [Self.view Addsubview:view];    First, Uibezierpath draw segment    Uibezierpath *path = [Uibezierpath Bezierpath];        Four points    cgpoint point = Cgpointmake (ten);    Cgpoint point1 = Cgpointmake (n.);    Cgpoint Point2 = Cgpointmake (a);    Cgpoint Point3 = Cgpointmake (290, n);        Nsarray *arr = [Nsarray arraywithobjects:[nsvalue valuewithcgpoint:point],[nsvalue ValueWithCGPoint:point1],[NSValue Valuewithcgpoint:point2],[nsvalue Valuewithcgpoint:point3], nil];    Nsindexset *set = [Nsindexset indexsetwithindexesinrange:nsmakerange (0, Arr.count)];

   Second, this is the sentence to draw

    [Arr enumerateobjectsatindexes:set options:0 usingblock:^ (nsvalue *pointvalue, Nsuinteger idx, BOOL *stop)        {Cgpoint point = [Pointvalue cgpointvalue];                [Path Addlinetopoint:point];        (i) Rect polyline descriptive cgrect rect;        rect.origin.x = point.x-1.5;        RECT.ORIGIN.Y = point.y-1.5;        Rect.size.width = 4;                Rect.size.height = 4;                (ii) RECT-ray representations//CGRect rect = CGRectMake (10, 10, 1, 1);        Uibezierpath *arc= [Uibezierpath bezierpathwithovalinrect:rect];    [Path APPENDPATH:ARC];    }];    Third, Uibezierpath and Cashapelayer association cashapelayer *linelayer = [Cashapelayer layer];    Linelayer.frame = CGRectMake (0, 150, 320, 400); Linelayer.fillcolor = [Uicolor Redcolor].    Cgcolor; Linelayer.path = path.    Cgpath; Linelayer.strokecolor = [Uicolor Redcolor].    Cgcolor;        [View.layer Addsublayer:linelayer]; The following code for the additional//(a) Like a curtain pull, appear to have animated UIView *view1 = [[UIView Alloc]initwithframe:cgrectmakE (0, 100, 320, 400)];    View1.backgroundcolor = [Uicolor Whitecolor];        [Self.view Addsubview:view1];    [UIView animatewithduration:5 animations:^{view1.frame = CGRectMake (320, 100, 320, 400); }]; }

iOS Drawing curve charts