//download the new app
  private void downLoadNewApp(NewVersion.XianzaishiRfBean version) {
    if (StringUtils.isEmpty(version.getUrl())) {
      ToastUtils.showToast("新版本的APP url为空");
      enterLoginActivity();
      return;
    }
    final ProgressDialog dialog = new ProgressDialog(this);
    dialog.setTitle("正在下载");
    dialog.setMessage(version.getDes() + "");
    dialog.setCancelable(false);
    dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
    dialog.show();
    if (!NetUtils.hasNet(SplashActivity.this)) {
      ToastUtils.showToast("请检查网络环境");
      return;
    }
    System.out.println("SplashActivity.downLoadNewApp=" + version.getUrl());
    OkHttpUtils
        .get()
        .url(version.getUrl())
        .build()
        .execute(new FileCallBack(Environment.getExternalStorageDirectory().getAbsolutePath(), Conts.NEW_APP_NAME) {
          @Override
          public void onError(Call call, Exception e, int id) {
            enterLoginActivity();
            System.out.println("SplashActivity.onError=哈哈哈");
            ToastUtils.showToast("下载更新包失败");
          }
          @Override
          public void inProgress(float progress, long total, int id) {
            super.inProgress(progress, total, id);
            dialog.setProgress((int) (100 * progress));
          }
          @Override
          public void onResponse(File response, int id) {
            Intent intent = new Intent();
            intent.setAction(Intent.ACTION_VIEW);
            intent.addCategory(Intent.CATEGORY_DEFAULT);
            intent.setDataAndType(Uri.fromFile(response),
                "application/vnd.android.package-archive");
            startActivityForResult(intent, 0);
          }
        });
  }