Activity1:
SharedPreferences.Editor spf =getSharedPreferences("USERPASS",PreferenceActivity.MODE_WORLD_READABLE).edit();
spf.putString("passWord", newPassWord);
spf.commit();
Activity2:
SharedPreferences sp = getSharedPreferences("USERPASS",PreferenceActivity.MODE_PRIVATE);
sp.getString("passWord", "123");
