Check out example codes for "flutter clear cache programmatically". It will help you in understanding the concepts better.

Code Example 1

import 'package:path_provider/path_provider.dart';

Future<void> _deleteCacheDir() async {
  final cacheDir = await getTemporaryDirectory();

  if (cacheDir.existsSync()) {
    cacheDir.deleteSync(recursive: true);
  }
}

Future<void> _deleteAppDir() async {
  final appDir = await getApplicationSupportDirectory();

  if (appDir.existsSync()) {
    appDir.deleteSync(recursive: true);
  }
}

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