//textview
TextView tvLatestdis= (TextView) findViewById(R.id.tv_latestdis);
String str = "上次里程：23023Km";
SpannableStringBuilder mSpannable = new SpannableStringBuilder(str);
//mSpannable.setSpan(new ForegroundColorSpan(Color.BLACK), 0, 4, Spanned.SPAN_EXCLUSIVE_INCLUSIVE);
 mSpannable.setSpan(new ForegroundColorSpan(Color.GREEN), 5, str.length(), Spanned.SPAN_EXCLUSIVE_INCLUSIVE);
  tvLatestdis.setText(mSpannable);

public ViewHolder setTextFromHtml(int id, String text) {
  TextView tv = getView(id);
  tv.setText(Html.fromHtml(text));
  return this;
 }

 public ViewHolder setTextFromHtmlWithimg(int id, String text,
   String strImage, ImageGetter ig) {
  TextView tv = getView(id);
  tv.setText(Html.fromHtml(strImage, ig, null));
  tv.append(Html.fromHtml(text));
  return this;
 }