android SharedPreference 이용

SharedPreferences prefs = getSharedPreferences("PrefName", MODE_PRIVATE);
String account = prefs.getString("key_account", "");
boolean keepcheck = prefs.getBoolean("key_keepaccount", true);


SharedPreferences.Editor ed = prefs.edit();
ed.putBoolean("key_keepaccount", keepaccount);ed.putString("key_account", account);ed.commit();