Flutter custom painter line like word search

Question

I try to make a word game for test purpose. I already make the puzzle using listview builder. But didnot able to make the selectable lines.

Answer 1

You can use CustomPaint in a stack with your other widget:

CustomPaint(
        foregroundPainter: LinesPainter(),
      ),

Then in your lines painter you can use:

    void drawRect (
  Rect rect,
  Paint paint
)

to draw a filled transparent rectangle between pointer down and current pointer