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83 lines
2.5 KiB
83 lines
2.5 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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switch (_random.nextInt(10)) {
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case 0:
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return '$artist says ${nouns[_random.nextInt(nouns.length)]}';
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case 1:
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return '$artist arrested due to ${wordPairIterator.first.join(' ')}';
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case 2:
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return '$artist releases ${capitalizePair(wordPairIterator.first)}';
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case 3:
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return '$artist talks about his ${nouns[_random.nextInt(nouns.length)]}';
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case 4:
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return '$artist talks about her ${nouns[_random.nextInt(nouns.length)]}';
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case 5:
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return '$artist talks about their ${nouns[_random.nextInt(nouns.length)]}';
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case 6:
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return '$artist says their music is inspired by ${wordPairIterator.first.join(' ')}';
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case 7:
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return '$artist says the world needs more ${nouns[_random.nextInt(nouns.length)]}';
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case 8:
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return '$artist calls their band ${adjectives[_random.nextInt(adjectives.length)]}';
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case 9:
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return '$artist finally ready to talk about ${nouns[_random.nextInt(nouns.length)]}';
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}
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assert(false, 'Failed to generate news headline');
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return 'Failed to generate news headline';
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}
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List<MaterialColor> getRandomColors(int amount) {
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return List<MaterialColor>.generate(amount, (index) {
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return _myListOfRandomColors[_random.nextInt(_myListOfRandomColors.length)];
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});
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}
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List<String> getRandomNames(int amount) {
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return wordPairIterator
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.take(amount)
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.map((pair) => capitalizePair(pair))
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.toList();
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}
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String capitalize(String word) {
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return '${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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