Android TextView加载图片

  ImageGetter imageGetter = new ImageGetter() {

                            @Override
                            public Drawable getDrawable(String source) {
                                URL url;
                                Drawable drawable = null;
                                try {
                                    url = new URL(source);
                                    drawable = Drawable.createFromStream(url.openStream(), null);
                                    if (drawable != null) {
                                        int w = drawable.getIntrinsicWidth();
                                        int h = drawable.getIntrinsicHeight();
                                        //对图片大小进行等比例放大 此处宽高可自行调整
                                        if (w < h && h > 0) {
                                            float scale = (400.0f / h);
                                            w = (int) (scale * w);
                                            h = (int) (scale * h);
                                        } else if (w > h && w > 0) {
                                            float scale = (1000.0f / w);
                                            w = (int) (scale * w);
                                            h = (int) (scale * h);
                                        }
                                        drawable.setBounds(0, 0, w, h);
                                    }
                                } catch (Exception e) {
                                    e.printStackTrace();
                                }
                                return drawable;
                            }
                        };
                        CharSequence test = Html.fromHtml(html, imageGetter, null);

                        txtContent.setText(test);