public void getCellScanResults()

in packages/@fbcmobile-signalscan/android/src/main/java/com/fbc/signalscan/CellScanResultsModule.java [159:191]


  public void getCellScanResults(Promise promise) {
    this.mPromise = promise;
    Context context = reactContext.getApplicationContext();

    if (ContextCompat.checkSelfPermission(context, Manifest.permission.READ_PHONE_STATE)
        != PackageManager.PERMISSION_GRANTED) {
      WritableMap map = Arguments.createMap();
      map.putString(ERROR_KEY, ERROR_CODE_PERMISSION);
      Log.d(TAG, ERROR_PERMISSION);
      this.mPromise.resolve(map);
      return;
    }

    TelephonyManager teleManager =
        (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);

    if (teleManager == null) {
      WritableMap map = Arguments.createMap();
      map.putString(ERROR_KEY, ERROR_CODE_TELEPHONY_MANAGER);
      Log.d(TAG, ERROR_TELEPHONY_MANAGER);
      this.mPromise.resolve(map);
      return;
    }

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P
        && (teleManager.hasCarrierPrivileges()
            || ContextCompat.checkSelfPermission(context, Manifest.permission.MODIFY_PHONE_STATE)
                == PackageManager.PERMISSION_GRANTED)) {
      scanAllNetworks(teleManager);
    } else {
      scanRegisteredNetwork(teleManager);
    }
  }