SashaKryzh

import 'package:flutter/material.dart';

extension BuildContextExtensions on BuildContext {
  ThemeData get theme => Theme.of(this);

  TextTheme get textTheme => theme.textTheme;

  ColorScheme get colorScheme => theme.colorScheme;

  DefaultTextStyle get defaultTextStyle => DefaultTextStyle.of(this);

Frankdroid7

// This function helps to add a string at the back of each file name IF that
// file already exists in the user's file system, so that each file name will
// be unique.
Future<String> makeFileName(String path, String fileName) async {
  bool fileExists = await File('$path/$fileName').exists();

  if (fileExists) {
    int counter = 1;
    List newFileExt = fileName.split('.');
    String ext = newFileExt[1]; // refers to the file extension.