将资产文件中的html纯文字放到TextView中

TextView tvUserAgreement = (TextView)findViewById(R.id.tvUserAgreement);
try {
InputStream inputStream = getAssets().open("user_agreement.html");
String agreementStr = IOUtils.toString(inputStream);
tvUserAgreement.setText(Html.fromHtml(agreementStr));
} catch (Exception e) {
e.printStackTrace();
}