Android常用UI编程_TextView显示图片和文字（包含超链接）

 1     // 根据资源ID获得Field对象
 2     public int getResourceId(String name) {
 3         try {
 4             // 根据资源的ID的变量名获得Field的对象，使用反射机制来实现的
 5             Field field = R.drawable.class.getField(name);
 6             // 取得并返回资源ID的字段（静态变量）的值，使用反射机制
 7             return Integer.parseInt(field.get(null).toString());
 8         } catch (NoSuchFieldException e) {
 9             e.printStackTrace();
10         } catch (NumberFormatException e) {
11             e.printStackTrace();
12         } catch (IllegalArgumentException e) {
13             e.printStackTrace();
14         } catch (IllegalAccessException e) {
15             e.printStackTrace();
16         }
17         return 0;
18     }

 1     protected void onCreate(Bundle savedInstanceState) {
 2         super.onCreate(savedInstanceState);
 3         setContentView(R.layout.activity_main);
 4 
 5         TextView textview = (TextView) findViewById(R.id.textview);
 6         textview.setTextColor(Color.BLACK);
 7         textview.setBackgroundColor(Color.WHITE);
 8         textview.setTextSize(20);// 设置字体大小
 9         String html = "图像1<img src='image1'/>图像2<img src='image2'/>图像3<img src='image3'/><p>";
10         html += "图像4<a href='http://www.baidu.com'><img src='image4'></a>图像5<img src='image5'/>";
11 
12         CharSequence charSequence = Html.fromHtml(html, new ImageGetter() {
13 
14             @Override
15             public Drawable getDrawable(String source) {
16                 // 获得系统资源的信息，比如图片信息
17                 Drawable drawable = getResources().getDrawable(
18                         getResourceId(source));
19                 // 处理第三个图片文件安装50%的比例压缩
20                 if (source.equals("image3")) {
21                     drawable.setBounds(0, 0, drawable.getIntrinsicHeight() / 2,
22                             drawable.getIntrinsicWidth() / 2);
23 
24                 } else {
25                     drawable.setBounds(0, 0, drawable.getIntrinsicHeight(),
26                             drawable.getIntrinsicWidth());
27                 }
28 
29                 return drawable;
30             }
31         }, null);
32 
33         textview.setText(charSequence);
34         textview.setMovementMethod(LinkMovementMethod.getInstance());
35     }