Android Studio 加载本地Assets中的html文件

mWebView.loadUrl("file:///android_asset/index.html");

private void ProcessWebString() {
// 加载 asset 文件
String tpl = getFromAssets("index.html");
mWebView.loadDataWithBaseURL(null, tpl, "text/html", "utf-8", null);
}

/*
* 获取html文件
*/
public String getFromAssets(String fileName) {
try {
InputStreamReader inputReader = new InputStreamReader(
getResources().getAssets().open(fileName));
BufferedReader bufReader = new BufferedReader(inputReader);
String line = "";
String Result = "";
while ((line = bufReader.readLine()) != null)
Result += line;
return Result;
} catch (Exception e) {
e.printStackTrace();
}
return "";
}