新浪微博里的字体加亮的点击事件处理

/**

* 将text中@某人、#某主题、http://网址的字体加亮，匹配的表情文字以表情显示

* @param text

* @param context

* @return

* @author lvqiyong

*/

public static SpannableString formatContent(CharSequence text,Context context) {

SpannableString spannableString = new SpannableString(text);

/*

* @[^\\s:：]+[:：\\s] 匹配@某人 \\[[^0-9]{1,4}\\] 匹配表情

* #([^\\#|.]+)# 匹配#某主题 http://t\\.cn/\\w+ 匹配网址

*/

Pattern pattern = Pattern.compile("@[^\\s:：]+[:：\\s]|#([^\\#|.]+)#|http://t\\.cn/\\w+|\\[[^0-9]{1,4}\\]");

Matcher matcher = pattern.matcher(spannableString);

final Context mcontext = context;

while (matcher.find()) {

final String match=matcher.group();

if(match.startsWith("@")){ //@某人，加亮字体

spannableString.setSpan(new ClickableSpan()

{

// 在onClick方法中可以编写单击链接时要执行的动作

@Override

public void onClick(View widget)

{

String username = match;

username = username.replace("@", "");

username = username.replace(":", "");

username = username.trim();

Intent intent = new Intent(mcontext,UserInfoActivity.class);

intent.putExtra("userid", username);

mcontext.startActivity(intent);//跳转到用户信息界面

}

}, matcher.start(), matcher.end(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

spannableString.setSpan(new ForegroundColorSpan(0xff0077ff),

matcher.start(), matcher.end(),

Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

}

else if(match.startsWith("#")){ //#某主题

spannableString.setSpan(new ClickableSpan()

{

// 在onClick方法中可以编写单击链接时要执行的动作

@Override

public void onClick(View widget)

{

String theme = match;

theme = theme.replace("#", "");

theme = theme.trim();

Intent intent = new Intent(mcontext,WeiboList.class);

Bundle bundle=new Bundle();

bundle.putInt(WeiboList.WEIBO_CATE, WeiboList.CATE_THEME);

bundle.putString(WeiboList.THEME, theme);

intent.putExtras(bundle);

mcontext.startActivity(intent);//跳转到话题信息界面

}

}, matcher.start(), matcher.end(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

spannableString.setSpan(new ForegroundColorSpan(0xff0077ff),

matcher.start(), matcher.end(),

Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

}

else if(match.startsWith("http://")){ //匹配网址

spannableString.setSpan(new ClickableSpan()

{

// 在onClick方法中可以编写单击链接时要执行的动作

@Override

public void onClick(View widget)

{

Uri uri = Uri.parse(match);

Intent intent = new Intent(Intent.ACTION_VIEW, uri);

mcontext.startActivity(intent);

}

}, matcher.start(), matcher.end(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

spannableString.setSpan(new ForegroundColorSpan(0xff0077ff),

matcher.start(), matcher.end(),

Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

}

else if(match.startsWith("[")){ //表情

}

}

return spannableString;

}

From：http://nbacheng.iteye.com/blog/1278771