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我对 api 级别 < 26 使用了以下两种方法，但对于 API 级别 > 26，它会给出错误，有人可以帮助如何修复以下块。

提前致谢。

连接管理器.startUsingNetworkFeature

//activate mobile connection in addition to other connection already activated
            try{
                int resultInt = connectivityManager.startUsingNetworkFeature(ConnectivityManager.TYPE_MOBILE, "enableHIPRI");
                Log.e(TAG, "startUsingNetworkFeature for enableHIPRI result: " + resultInt);
                if (-1 == resultInt) {
                    Log.e(TAG, "Wrong result of startUsingNetworkFeature, maybe problems");
                    return false;
                }
                if (0 == resultInt) {
                    Log.e(TAG, "No need to perform additional network settings");
                    return true;
                }
                if (2 == resultInt) {
                    Log.e(TAG, "Device specific state unknown.");
                    return false;
                }
            }catch (Exception e){
                e.printStackTrace();
                return false;
            }

连接管理器.requestRouteToHost

boolean resultBool = connectivityManager.requestRouteToHost(ConnectivityManager.TYPE_MOBILE_HIPRI, hostAddress);
        Log.e(TAG, "************requestRouteToHost result***********" + resultBool);
        if (!resultBool)
            Log.e(TAG, "Wrong requestRouteToHost result: expected true, but was false");

        return resultBool;
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