validateId function Null safety

void validateId(
  1. int id
)

Helper method for validating notification IDs. Ensures IDs are valid 32-bit integers.

Implementation

void validateId(int id) {
  ArgumentError.checkNotNull(id, 'id');
  if (id > 0x7FFFFFFF || id < -0x80000000) {
    throw ArgumentError.value(id, 'id',
        'must fit within the size of a 32-bit integer i.e. in the range [-2^31, 2^31 - 1]'); // ignore: lines_longer_than_80_chars
  }
}