TextView关键字高亮与超链接

 1         // 加载文章内容高亮多个关键字，只高亮一个关键字去掉循环
 2         String[] keywords = new String[] { "power", "internet" };
 3         SpannableString s = new SpannableString(getResources().getString(
 4                 R.string.papercontent));
 5         for (int i = 0; i < keywords.length; i++) {
 6             Pattern p = Pattern.compile(keywords[i] + "\\W");
 7             Matcher m = p.matcher(s);
 8             while (m.find()) {
 9                 int start = m.start();
10                 int end = m.end() - 1;
11                 Intent intent = new Intent(getApplicationContext(),
12                         KeyWord.class);
13                 s.setSpan(new IntentSpan(intent), start, end,
14                         Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
15             }
16         }
17         tvContent.setText(s);
18         tvContent.setMovementMethod(LinkMovementMethod.getInstance());

 1     /**
 2      * 重写ClickableSpan中的onClick，实现点击效果
 3      * @author zengjiyang
 4      */
 5     public class IntentSpan extends ClickableSpan implements ParcelableSpan {
 6         private Intent mIntent;
 7 
 8         public IntentSpan(Intent mIntent) {
 9             super();
10             this.mIntent = mIntent;
11         }
12 
13         @Override
14         public int describeContents() {
15             // TODO Auto-generated method stub
16             return 0;
17         }
18 
19         @Override
20         public void writeToParcel(Parcel dest, int flags) {
21             // TODO Auto-generated method stub
22         }
23 
24         @Override
25         public int getSpanTypeId() {
26             // TODO Auto-generated method stub
27             return 100;
28         }
29 
30         @Override
31         public void onClick(View widget) {
32             // TODO Auto-generated method stub
33             Context context = widget.getContext();
34             context.startActivity(mIntent);
35         }
36 
37         @Override
38         public void updateDrawState(TextPaint ds) {
39             // TODO Auto-generated method stub
40             super.updateDrawState(ds);
41             ds.setColor(Color.RED);
42             ds.setUnderlineText(false);
43             ds.bgColor = Color.TRANSPARENT;
44         }
45 
46     }