Android读取Asset读取指定的Text文档

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/** * 按行读取txt * * @param is * @return * @throws Exception */private String readTextFromSDcard(InputStream is) throws Exception {    InputStreamReader reader = new InputStreamReader(is, "UTF-8");    BufferedReader bufferedReader = new BufferedReader(reader);    StringBuffer buffer = new StringBuffer("");    String str;    while ((str = bufferedReader.readLine()) != null) {        buffer.append(str);        buffer.append("\n");    }    return buffer.toString();}/** * 从Asset读取text文件 * @param  filename 文件名 * */private void getContentByAsset(String filename){    try {        AssetManager am = getAssets();        InputStream is = am.open(filename);        final String content = readTextFromSDcard(is) + "";        runOnUiThread(new Runnable() {            @Override            public void run() {                mContentTv.setText(content);            }        });    } catch (IOException e) {        e.printStackTrace();    } catch (Exception e) {        e.printStackTrace();    }}

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