LinkifiedTextView.java

package com.chrome.codereview.utils;

import android.content.Context;
import android.text.Layout;
import android.text.Spanned;
import android.text.style.ClickableSpan;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.widget.TextView;

public class LinkifiedTextView extends TextView {
    public LinkifiedTextView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    @Override
    public boolean onTouchEvent(MotionEvent event) {
        TextView widget = this;
        Object text = widget.getText();
        if (text instanceof Spanned) {
            Spanned buffer = (Spanned) text;
            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);
                    } else if (action == MotionEvent.ACTION_DOWN) {
                        //TODO: fix selection
//                        Selection.setSelection(buffer,
//                                buffer.getSpanStart(link[0]),
//                                buffer.getSpanEnd(link[0]));
                    }
                    return true;
                }
            }

        }

        return false;
    }

}