Android常用UI编程_TextView显示图片和文字（包含超链接）

    // 根据资源ID获得Field对象
    public int getResourceId(String name) {
        try {
            // 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
            Field field = R.drawable.class.getField(name);
            // 取得并返回资源ID的字段（静态变量）的值，使用反射机制
            return Integer.parseInt(field.get(null).toString());
        } catch (NoSuchFieldException e) {
            e.printStackTrace();
        } catch (NumberFormatException e) {
            e.printStackTrace();
        } catch (IllegalArgumentException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
        return 0;
    }

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        TextView textview = (TextView) findViewById(R.id.textview);
        textview.setTextColor(Color.BLACK);
        textview.setBackgroundColor(Color.WHITE);
        textview.setTextSize(20);// 设置字体大小
        String html = "图像1<img src='image1'/>图像2<img src='image2'/>图像3<img src='image3'/><p>";
        html += "图像4<a href='http://www.baidu.com'><img src='image4'></a>图像5<img src='image5'/>";

        CharSequence charSequence = Html.fromHtml(html, new ImageGetter() {

            @Override
            public Drawable getDrawable(String source) {
                // 获得系统资源的信息，比如图片信息
                Drawable drawable = getResources().getDrawable(
                        getResourceId(source));
                // 处理第三个图片文件安装50%的比例压缩
                if (source.equals("image3")) {
                    drawable.setBounds(0, 0, drawable.getIntrinsicHeight() / 2,
                            drawable.getIntrinsicWidth() / 2);

                } else {
                    drawable.setBounds(0, 0, drawable.getIntrinsicHeight(),
                            drawable.getIntrinsicWidth());
                }

                return drawable;
            }
        }, null);

        textview.setText(charSequence);
        textview.setMovementMethod(LinkMovementMethod.getInstance());
    }