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75 lines
2.3 KiB
75 lines
2.3 KiB
// Copyright 2020 The Flutter team. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:math';
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import 'package:english_words/english_words.dart';
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// ignore: implementation_imports
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import 'package:flutter/material.dart';
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// This file has a number of platform-agnostic non-Widget utility functions.
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const _myListOfRandomColors = [
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Colors.red,
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Colors.blue,
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Colors.teal,
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Colors.yellow,
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Colors.amber,
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Colors.deepOrange,
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Colors.green,
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Colors.indigo,
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Colors.lime,
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Colors.pink,
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Colors.orange,
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];
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final _random = Random();
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// Avoid customizing the word generator, which can be slow.
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// https://github.com/filiph/english_words/issues/9
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final wordPairIterator = generateWordPairs();
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String generateRandomHeadline() {
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final artist = capitalizePair(wordPairIterator.first);
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return switch (_random.nextInt(10)) {
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0 => '$artist says ${nouns[_random.nextInt(nouns.length)]}',
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1 => '$artist arrested due to ${wordPairIterator.first.join(' ')}',
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2 => '$artist releases ${capitalizePair(wordPairIterator.first)}',
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3 => '$artist talks about his ${nouns[_random.nextInt(nouns.length)]}',
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4 => '$artist talks about her ${nouns[_random.nextInt(nouns.length)]}',
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5 => '$artist talks about their ${nouns[_random.nextInt(nouns.length)]}',
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6 =>
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'$artist says their music is inspired by ${wordPairIterator.first.join(' ')}',
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7 =>
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'$artist says the world needs more ${nouns[_random.nextInt(nouns.length)]}',
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8 =>
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'$artist calls their band ${adjectives[_random.nextInt(adjectives.length)]}',
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9 =>
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'$artist finally ready to talk about ${nouns[_random.nextInt(nouns.length)]}',
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_ => 'Failed to generate news headline',
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};
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}
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List<MaterialColor> getRandomColors(int amount) {
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return List<MaterialColor>.generate(amount, (index) {
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return _myListOfRandomColors[_random.nextInt(_myListOfRandomColors.length)];
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});
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}
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List<String> getRandomNames(int amount) {
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return wordPairIterator
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.take(amount)
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.map((pair) => capitalizePair(pair))
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.toList();
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}
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String capitalize(String word) {
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return '${word[0].toUpperCase()}${word.substring(1).toLowerCase()}';
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}
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String capitalizePair(WordPair pair) {
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return '${capitalize(pair.first)} ${capitalize(pair.second)}';
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}
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