android 同一个TextView不同文字的点击事件

转自：http://blog.csdn.net/hap_gx/article/details/8781910

package com.example.textviewclick;

import android.app.Activity;
import android.os.Bundle;
import android.text.Html;
import android.text.Spannable;
import android.text.SpannableStringBuilder;
import android.text.TextPaint;
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 {
    TextView mTextView2;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.textview);

        mTextView2 = (TextView)findViewById(R.id.text2);
        /*********** 同一个TextView不同文字的点击事件*******/
        StringBuilder actionText = new StringBuilder();
        actionText
                .append("<a style=\"text-decoration:none;\" href='username'>"
                        + "username:" + " a>");
        actionText
                .append("隐形人"
                        + "<a style=\"color:blue;text-decoration:none;\" href='singstar'> "
                        + " love" + "a>");
            actionText.append(" : \"" + "孙燕姿" + "\"");
        mTextView2.setText(Html.fromHtml(actionText.toString()));
        mTextView2.setMovementMethod(LinkMovementMethod
                .getInstance());
        CharSequence text = mTextView2.getText();
        int ends = text.length();
        Spannable spannable = (Spannable) mTextView2.getText();
        URLSpan[] urlspan = spannable.getSpans(0, ends, URLSpan.class);
        SpannableStringBuilder stylesBuilder = new SpannableStringBuilder(text);
        stylesBuilder.clearSpans(); // should clear old spans
        for (URLSpan url : urlspan) {
            TextViewURLSpan myURLSpan = new TextViewURLSpan(url.getURL());
            stylesBuilder.setSpan(myURLSpan, spannable.getSpanStart(url),
                    spannable.getSpanEnd(url), spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
        }
        mTextView2.setText(stylesBuilder);
    }

    private class TextViewURLSpan extends ClickableSpan {
        private String clickString;

        public TextViewURLSpan(String clickString) {
            this.clickString = clickString;
        }

        @Override
        public void updateDrawState(TextPaint ds) {
            ds.setColor(MainActivity.this.getResources().getColor(R.color.text_color));
            ds.setUnderlineText(false); //去掉下划线
        }

        @Override
        public void onClick(View widget) {
            if (clickString.equals("username")) {
                Toast.makeText(getApplication(), clickString, Toast.LENGTH_LONG)
                .show();
            } else if (clickString.equals("singstar")) {
                Toast.makeText(getApplication(), clickString, Toast.LENGTH_LONG)
                        .show();
            }
        }
    }

}