public class EchoDataUtils { /** * 保存文件到手机内存 * @param context * @param number * @param psw * @return */ public static boolean SaveUserInfo(Context context, String number, String psw) { try { File fileDir = context.getFilesDir(); File f = new File(fileDir, "data.txt"); FileOutputStream fos; fos = new FileOutputStream(f); String data = number + "##" + psw; fos.write(data.getBytes()); fos.flush(); fos.close(); return true; } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } return false; } /** * 从手机内存读取 * @param context * @return */ public static Map<String, String> GetUserInfo(Context context) { try { File fileDir = context.getFilesDir(); File f = new File(fileDir, "data.txt"); FileInputStream fis; fis = new FileInputStream(f); BufferedReader reader = new BufferedReader(new InputStreamReader( fis)); String text = reader.readLine(); if (!text.isEmpty()) { String split[] = text.split("##"); Map<String, String> userInfoMap = new HashMap<String, String>(); userInfoMap.put("number", split[0]); userInfoMap.put("psw", split[1]); return userInfoMap; } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } return null; }}
转载于:https://www.cnblogs.com/la66/p/11539894.html
