Linkify Example

LinkifySample.kt

override fun onBindViewHolder(holder: ViewHolder, position: Int) {
      var tags = ""
      item.tagList.forEach {
          tags += "#$it  "
      }

      val tagTv = holder.viewBinding.fragPostingsItemTvTag
      with(tagTv) {
          text = tags
          highlightColor = context.getColor(android.R.color.transparent)
          setLinkTextColor(context.getColor(R.color.linkColor))

          val pattern = Pattern.compile("#\\w+")
          val transformFilter = Linkify.TransformFilter { _, url ->
              return@TransformFilter "https://www.google.com/search?q=${url.substring(1)}"
          }

          Linkify.addLinks(this, pattern, null, null, transformFilter)
          movementMethod = CustomMovementMethod.getInstance()    
      }
}

package com.yes.inmyfood.util;

import android.text.Layout;
import android.text.Spannable;
import android.text.method.BaseMovementMethod;
import android.text.style.ClickableSpan;
import android.view.MotionEvent;
import android.widget.TextView;

public class CustomMovementMethod extends BaseMovementMethod {

    private static CustomMovementMethod customMovementMethod;

    public static CustomMovementMethod getInstance() {
        if (customMovementMethod == null) {
            synchronized (CustomMovementMethod.class) {
                if (customMovementMethod == null) {
                    customMovementMethod = new CustomMovementMethod();
                }
            }
        }
        return customMovementMethod;
    }

    @Override
    public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
        int action = event.getAction();

        if (action == MotionEvent.ACTION_UP ||
                action == MotionEvent.ACTION_DOWN) {
            int x = (int) event.getX();
            int y = (int) event.getY();

            x -= widget.getTotalPaddingLeft();
            y -= widget.getTotalPaddingTop();

            x += widget.getScrollX();
            y += widget.getScrollY();

            Layout layout = widget.getLayout();
            int line = layout.getLineForVertical(y);
            int off = layout.getOffsetForHorizontal(line, x);
          
            ClickableSpan[] link = buffer.getSpans(off, off, ClickableSpan.class);

            if (link.length != 0) {
                if (action == MotionEvent.ACTION_UP) {
                    link[0].onClick(widget);
                }
                return true;
            }
        }
        return true;
    }

    private CustomMovementMethod() {

    }
}