转：android TextView中超链接的事件捕捉（textview上LINK的点击事件）

Java代码

package com.cm;
import java.util.ArrayList;
import android.R.color;
import android.app.Activity;
import android.content.Context;
import android.graphics.Color;
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 TextHtml extends Activity {
private TextView tv;
private static Context ctx;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
tv = new TextView(this);
ctx = this;
String htmlLinkText = "我是超链接"+ "<a style=\"color:red;\" href='lianjie'>超链接点击事件</a>";
// 文字的样式（style）被覆盖，不能改变……
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);
style.clearSpans();// should clear old spans
//循环把链接发过去
for (URLSpan url : urls) {
MyURLSpan myURLSpan = new MyURLSpan(url.getURL());
style.setSpan(myURLSpan, sp.getSpanStart(url),
sp.getSpanEnd(url), Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
}
tv.setText(style);
}
setContentView(tv);
}
private static class MyURLSpan extends ClickableSpan {
private String mUrl;
MyURLSpan(String url) {
mUrl = url;
}
@Override
public void onClick(View widget) {
if(mUrl .equal(lianjie)){
Toast.makeText(ctx, mUrl, Toast.LENGTH_LONG).show();
widget.setBackgroundColor(Color.parseColor("#00000000"));
}
}
}
}

package com.cm; import java.util.ArrayList; import android.R.color; import android.app.Activity; import android.content.Context; import android.graphics.Color; 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 TextHtml extends Activity { private TextView tv; private static Context ctx; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); tv = new TextView(this); ctx = this; String htmlLinkText = "我是超链接"+ "<a style=\"color:red;\" href='lianjie'>超链接点击事件</a>"; // 文字的样式（style）被覆盖，不能改变…… 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); style.clearSpans();// should clear old spans //循环把链接发过去 for (URLSpan url : urls) { MyURLSpan myURLSpan = new MyURLSpan(url.getURL()); style.setSpan(myURLSpan, sp.getSpanStart(url), sp.getSpanEnd(url), Spannable.SPAN_EXCLUSIVE_INCLUSIVE); } tv.setText(style); } setContentView(tv); } private static class MyURLSpan extends ClickableSpan { private String mUrl; MyURLSpan(String url) { mUrl = url; } @Override public void onClick(View widget) { if(mUrl .equal(lianjie)){ Toast.makeText(ctx, mUrl, Toast.LENGTH_LONG).show(); widget.setBackgroundColor(Color.parseColor("#00000000")); } } } }

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