Android自定义TextView中的超链接点击事件处理

引用自：http://blog.csdn.net/zhaowei1001/article/details/6286852

package com.example.test;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.text.Html;
import android.text.Spannable;
import android.text.SpannableStringBuilder;
import android.text.method.LinkMovementMethod;
import android.text.style.ClickableSpan;
import android.text.style.URLSpan;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity {
	/** Called when the activity is first created. */
	private TextView tv;
	static Context ctx = null;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		ctx = this;
		tv = (TextView) findViewById(R.id.tv);
		String htmlLinkText = "fsadffdsfadfsdfsdfsdf我的CSDN博客 fdsfsdf
";
		tv.setText(Html.fromHtml(htmlLinkText));
		tv.setMovementMethod(LinkMovementMethod.getInstance());
		CharSequence text = tv.getText();
		if (text instanceof Spannable) {
			int end = text.length();
			Spannable sp = (Spannable) tv.getText();
			URLSpan[] urls = sp.getSpans(0, end, URLSpan.class);
			SpannableStringBuilder style = new SpannableStringBuilder(text);
			// 全部删除字体的样式也没了
			// style.clearSpans();//should clear old spans
			for (URLSpan url : urls) {
				MyURLSpan myURLSpan = new MyURLSpan(url.getURL());
				// 删除指定的
				style.removeSpan(url);
				style.setSpan(myURLSpan, sp.getSpanStart(url),
						sp.getSpanEnd(url), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);

			}
			tv.setText(style);
		}
	}

	private static class MyURLSpan extends ClickableSpan {

		private String mUrl;

		MyURLSpan(String url) {
			mUrl = url;
		}

		@Override
		public void onClick(View widget) {
			// TODO Auto-generated method stub
			Toast.makeText(ctx, "hello:" + mUrl, Toast.LENGTH_LONG).show();
		}
	}
}