file method
Returns a File within the Directory
Directory androidDir = Directory('flutter-app/android');
File manifestFile = androidDir.file("app/src/main/AndroidManifest.xml");
Implementation
File file(
String filePath, {
lib_path.Context? pathContext,
FileFactory fileFactory = File.new,
}) {
pathContext ??= lib_path.context;
final newPath = pathContext.join(absolute.path, filePath);
return fileFactory(newPath);
}