// 读取sdcard文件
private void sdcardRead(){
String fileName = \"/sdcard/my_sdcard.txt\";// assets下文件
//String fileName = \"/sdcard/test/my_sdcard_test.txt\";// sdcard下子目录文件
String ret = \"\";
try {
FileInputStream fis = new FileInputStream(fileName);
int len = fis.available();
byte []buffer = new byte[len];
fis.read(buffer);
ret = EncodingUtils.getString(buffer, \"UTF-8\");
fis.close();
} catch (Exception e) {
e.printStackTrace();
}
tvTXT.setText(ret);
}
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