Android 跨进程SharedPreferences异常详解

Context c = null;    try {      c = context.createPackageContext(PREFERENCE_PACKAGE,          Context.CONTEXT_IGNORE_SECURITY);    } catch (NameNotFoundException e) {      e.printStackTrace();    }    if (c != null) {      SharedPreferences infoSp = c.getSharedPreferences(PREFERENCE_NAME,          Context.MODE_MULTI_PROCESS);      int status = infoSp.getInt("break", 1);      Logcat.d("br" + status);      return 0 == status;    } else {      Logcat.w("brake_status error.... c==null ");    }    return false;