How to draw circles at any Entry?

[kazetani]

I want to circle any entry in a real time line chart. But, setDrawCircles(true/false) then all entries will be circled. How to circle an arbitrary entry like an image?

[Dagzo]

Hello @kazetani . I think It seems not easy. but I have an idea, hope this helps.

Dataset class has setDrawCircles(true/false) method and setCircleColors(colorlist) as well. You can change the circle color whatever you want even if transparent color, if use the method.

For example, you have 5 entries total and want draw circle only index 2, 4. You can make expected line bar use the code below.

ArrayList<Integer> colors = new ArrayList<>();
colors.add(Color.TRANSPARENT);
colors.add(Color.BLUE);
colors.add(Color.TRANSPARENT);
colors.add(Color.BLUE);
colors.add(Color.TRANSPARENT);

dataset.setDrawCircles(true);
dataset.setCircleColors(colors);

[dhvani023]

How can I change it on runtime? like when I drag from 2nd point to 3rd point, that circle should move to 3rd circle. wherever vertical lines moves, circles should move with vertical line, other circle should remove or transparent