TextVeiw加载HTML代码块内图片

html代码块里面加载图片，
加载数据 " <p> xxxxx内容。</p><img src="http://hg-test.com/lppt/weChat_official_account.jpg" />"
正常些加载会报异常，不能在主线程加载网络图片，解决方法

Drawable drawable;    Html.ImageGetter imageGetter = new Html.ImageGetter() {        @Override        public Drawable getDrawable(String s) {            if (drawable != null) {                return pic;            }            else {                getImage(s);            }            return null;        }    };

 private void getImage(final String s) {        new Thread(new Runnable() {            @Override            public void run() {                try {                    final Drawable d = Drawable.createFromStream(new URL(s).openStream(), "");                    context.runOnUiThread(new Runnable() {                        @Override                        public void run() {                            if (d != null) {      //必须设置                                d.setBounds(0,0,600,600);                               drawable = d;                                if (Build.VERSION.SDK_INT >= 24){                                    textview.setText(Html.fromHtml(source,Html.FROM_HTML_MODE_COMPACT,imageGetter,null));                                }else{                                    textview.setText(Html.fromHtml(source,imageGetter,null));                                    }                            }                        }                    });                } catch (IOException e) {                    e.printStackTrace();                }            }        }).start();