Create Line in iOS Objective C

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Solution:

In iOS you can create a Line using CGContextref.The below code is used for draw a line in a view in x1,y1, is 0,0 and x2,y2 is 20,20.




   CGContextRef ctx = UIGraphicsGetCurrentContext();



  CGRect rect = CGRectMake(0, 0,20,20);



   CGContextClearRect(ctx, rect);



  CGContextSetStrokeColorWithColor(ctx, color.CGColor);

   CGContextSetLineCap(ctx, kCGLineCapRound);

   CGContextSetLineWidth(ctx, 10);

   CGContextSetAlpha(ctx, 1);



   CGContextMoveToPoint(ctx, 0, 0);



   CGContextAddLineToPoint(ctx, 20, 20);



   CGContextStrokePath(ctx);



   CGContextDrawPath(ctx, kCGPathFillStroke);

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