readFromFile method

Future<void> readFromFile(
  1. String filePath
)

Implementation

Future<void> readFromFile(String filePath) async {
  final file = File(filePath);
  final exists = await file.exists();
  if (!exists) {
    print('File does not exist.');
    return;
  }

  RandomAccessFile rac = await file.open(mode: FileMode.read);
  var length = await rac.length();
  _byteBuffer = await rac.read(length);
  await rac.close();

  resetPosition();
}