flutter save file locally
Future<String> get _localPath async {
final directory = await getApplicationDocumentsDirectory();
return directory.path;
}
Future<File> get _localFile async {
final path = await _localPath;
return File('$path/counter.txt');
}
Future<File> writeCounter(int counter) async {
final file = await _localFile;
// Write the file.
return file.writeAsString('$counter');
}
Future<int> readCounter() async {
try {
final file = await _localFile;
// Read the file.
String contents = await file.readAsString();
return int.parse(contents);
} catch (e) {
// If encountering an error, return 0.
return 0;
}
}