android text中显示HTML语言

 1 package com.example.test;
 2 
 3 import java.io.InputStream;
 4 import java.net.URL;
 5 import android.annotation.SuppressLint;
 6 import android.app.Activity;
 7 import android.graphics.drawable.Drawable;
 8 import android.os.Build;
 9 import android.os.Bundle;
10 import android.os.StrictMode;
11 import android.text.Html;
12 import android.text.Html.ImageGetter;
13 import android.text.method.LinkMovementMethod;
14 import android.text.method.ScrollingMovementMethod;
15 import android.widget.TextView;
16 
17 public class MainActivity extends Activity {
18     TextView tView;
19     Drawable drwable = null;
20 
21     @SuppressLint("NewApi")
22     @Override
23     protected void onCreate(Bundle savedInstanceState) {
24         super.onCreate(savedInstanceState);
25         setContentView(R.layout.main);
26         if (Build.VERSION.SDK_INT >= 10) {
27             StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder().detectDiskReads().detectDiskWrites().detectNetwork().penaltyLog().build());
28             StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder().detectLeakedSqlLiteObjects().detectLeakedClosableObjects().penaltyLog().penaltyDeath().build());
29         }
30 
31         tView = (TextView) findViewById(R.id.testText);
32         // HTML文本
33         String html = "<html><head><title>TextView使用HTML</title></head><body><p><strong>强调</strong></p><p><em>斜体</em></p>"
34                 + "<p><a href="http://www.dreamdu.com/xhtml/">超链接HTML入门</a>学习HTML!</p><p><font color="#aabb00">颜色1"
35                 + "</p><p><font color="#00bbaa">颜色2</p><p><font color="#aabb00">颜色1"
36                 + "</p><p><font color="#00bbaa">颜色2</p><p><font color="#aabb00">颜色1"
37                 + "</p><p><font color="#00bbaa">颜色2</p><p><font color="#aabb00">颜色1"
38                 + "</p><p><font color="#00bbaa">颜色2</p><p><font color="#aabb00">颜色1"
39                 + "</p><p><font color="#00bbaa">颜色2</p><h1>标题1</h1><h3>标题2</h3><h6>标题3</h6><p>大于>小于<</p><p>"
40                 + "下面是网络图片</p><img src="http://avatar.csdn.net/0/3/8/2_zhang957411207.jpg"/></body></html>";
41 
42         tView.setMovementMethod(ScrollingMovementMethod.getInstance());// 设置可滚动
43         tView.setMovementMethod(LinkMovementMethod.getInstance());// 设置超链接可以打开网页
44         tView.setText(Html.fromHtml(html, imgGetter, null));
45     }
46 
47     // 这里面的resource就是fromhtml函数的第一个参数里面的含有的url
48     ImageGetter imgGetter = new Html.ImageGetter() {
49         public Drawable getDrawable(String source) {
50             InputStream is = null;
51             try {
52                 is = (InputStream) new URL(source).getContent();
53                 Drawable d = Drawable.createFromStream(is, "src");
54                 d.setBounds(0, 0, d.getIntrinsicWidth(), d.getIntrinsicHeight());
55                 is.close();
56                 return d;
57             } catch (Exception e) {
58                 return null;
59             }
60         }
61     };
62 
63 }