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PackageManager packageManager = requireActivity().getPackageManager();
Intent intent = new Intent(Settings.ACTION_PRINT_SETTINGS);

 List<ResolveInfo> resolveInfos = packageManager.queryIntentActivities(intent,
                    PackageManager.GET_RESOLVED_FILTER);

            try {
                if (resolveInfos.size() > 1) {
                    for (ResolveInfo resolveInfo : resolveInfos) {
                        if (resolveInfo.activityInfo != null) {
                            String packageName = resolveInfo.activityInfo.applicationInfo.packageName;
                            if (!"com.android.settings".equals(packageName)) {
                                intent.setPackage(packageName);
                                break;
                            }
                        }
                    }
                }
            } catch (Exception ignored) {
            }

            try {
                startActivity(intent);
            } catch (Exception e) {
                Toast.makeText(requireActivity(), R.string.Oopppsss, Toast.LENGTH_SHORT).show();
            }

Field netRef = netInfo.getClass().getDeclaredField("netId");
 netId = (int) netRef.get(netInfo);