Android Open Source - TextViewWithLinks Text View With Links

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Back to project page TextViewWithLinks.

License

The source code is released under:

Apache License

Java Source Code

package pt.fjss.TextViewWithLinks;
//  www. j a  v  a 2  s  . c o  m
import java.io.Serializable;

import android.content.Context;
import android.graphics.Color;
import android.text.Selection;
import android.text.Spannable;
import android.text.style.BackgroundColorSpan;
import android.text.style.URLSpan;
import android.text.util.Linkify;
import android.util.AttributeSet;
import android.util.Log;
import android.widget.TextView;

public class TextViewWithLinks extends TextView {

  private BackgroundColorSpan color = new BackgroundColorSpan(Color.GREEN);

  static OnClickLinksListener l;

  private String link;

  public TextViewWithLinks(Context context) {
    super(context);

  }

  public TextViewWithLinks(Context context, AttributeSet attrs) {
    super(context, attrs);
  }

  public TextViewWithLinks(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
  }

  public void linkify(OnClickLinksListener listener) {
    l = listener;

    Linkify.addLinks(this, Linkify.WEB_URLS);

    setMovementMethod(LinkMovementMethodExt.getInstance(new LinkMovementMethodExt.LinkMovementListener() {

      @Override
      public void onKeyUpOnLink(MessageSpan msg) {
        MessageSpan ms = msg;
        Object[] spans = (Object[]) ms.getObj();
        TextView view = ms.getView();

        for (Object span : spans) {
          if (span instanceof URLSpan) {
            int start = Selection.getSelectionStart(view.getText());
            int end = Selection.getSelectionEnd(view.getText());

            Spannable _span = (Spannable) view.getText();

            l.onLinkClick(((URLSpan) span).getURL());
          }

        }

        Spannable _span = (Spannable) view.getText();
        _span.removeSpan(color);
        view.setText(_span);

      }

      @Override
      public void onKeyDownOnTextView() {
        l.onTextViewClick();
      }

      @Override
      public void onKeyDownOnLink(MessageSpan msg) {
        MessageSpan ms = msg;
        Object[] spans = (Object[]) ms.getObj();
        TextView view = ms.getView();

        for (Object span : spans) {
          if (span instanceof URLSpan) {
            int start = Selection.getSelectionStart(view.getText());
            int end = Selection.getSelectionEnd(view.getText());

            Spannable _span = (Spannable) view.getText();

            _span.setSpan(color, start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
            view.setText(_span);
          }
        }
      }

      @Override
      public void onScroll(TextView widget) {
        Spannable _span = (Spannable) widget.getText();
        _span.removeSpan(color);
        widget.setText(_span);

      }
    }, URLSpan.class));
  }

  public void setLinkColors(int linkColor, int backgroundLinkColor) {
    color = new BackgroundColorSpan(backgroundLinkColor);
    this.setLinkTextColor(linkColor);
  }

  public interface OnClickLinksListener {
    public void onLinkClick(String url);

    public void onTextViewClick();
  }
}

Java Source Code List

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