Draw a line with curved edges in Android

Question

I am using canvas.drawLine to draw some line in android but the lines are too sharp but i need a curved edges enter image description here

Here the 1 is what i have and 2 is what i want to achieve, means a line with curved edges rather than straight edges

How can I achieve that ??

EDIT 2:

I am trying to use the Canvas object to to draw a line. but the lines have a sharp edge, I need a rounded off edge I am using the Paint object

mPaint = new Paint();
mPaint.setColor(Color.BLACK)

Any help would be appreciated great.

@GareginSargsyan : Can you post it as answer so that i can accept it — , Dec 29 '13 at 07:40
Your question is put on hold. I cannot post an answer. You should improve it, or remove it. You should read this: http://meta.stackexchange.com/questions/156810/stack-overflow-question-checklist — GareginSargsyan, Dec 29 '13 at 07:44
http://stackoverflow.com/questions/8287949/android-how-to-draw-a-smooth-line-following-your-finger — Avinash Babu, Dec 29 '13 at 09:14
@GareginSargsyan : Now you can post your answer. It seems flagging the moderators hold and comment has removed (also my comments too), they felt touchy perhaps ;) — , Dec 29 '13 at 09:20

score 45 · Accepted Answer · answered Dec 29 '13 at 09:32

Use the Paint.setStrokeCap() method. You need Paint.Cap.ROUND. The default one is Paint.Cap.BUTT. There is a similar Path property that is called path join. It determines how to draw the parts of the path where it's constituent segments join. To set it use Path.setPathJoin(). You might need it in the future. Good luck.

score 0 · Answer 2 · edited Jun 01 '22 at 08:52

0

You can use below

pitchPaint.setStrokeCap(Paint.Cap.ROUND)

edited Jun 01 '22 at 08:52

Aniruddh Parihar

3,072
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answered Jun 01 '22 at 07:16

Jithin Jude

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How is that different from the accepted answer? – Bentaye Jun 01 '22 at 08:52

score 0 · Answer 3 · answered Mar 11 '23 at 09:28

this is for kotlin Jetpack Compose users : use the cap attribute

Canvas(modifier = Modifier.fillMaxSize()) {

            // Fetching width and height for
            // setting start x and end y

            val canvasHeight = size.height
            
            // drawing a line between start(x,y) and end(x,y)
            drawLine(
                start = Offset(x = 0f, y = 0.12f * canvasHeight),
                end = Offset(x = 0f, y =0.5f *canvasHeight),
                color = Color.Red,
                strokeWidth = 10F,
                cap = StrokeCap.Round
            )
        }

score 0 · Answer 4 · answered May 31 '23 at 12:31

path = new Path();
path.moveTo(50, 50);
path.lineTo(50, 500);
path.lineTo(200, 500);
path.lineTo(200, 300);
path.lineTo(350, 300);

float radius = 50.0f;
CornerPathEffect cornerPathEffect = new CornerPathEffect(radius);
paint.setPathEffect(cornerPathEffect);
// this setPathEffect will set the curve edges for every new joining

canvas.drawPath(path, paint);

Go through this link , This Link will teach you proper usages

Draw a line with curved edges in Android

4 Answers4

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