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35 lines
1.1 KiB
35 lines
1.1 KiB
// Copyright 2020, the Flutter project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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class Config {
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static String? getAppName() {
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// Imagine this looks up a localized version of the app name. We're using
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// the current time to simulate a variance in responses.
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if (DateTime.now().second.isEven) {
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return 'Weather forecast';
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} else {
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// Oops, we don't have a localization.
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return null;
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}
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}
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}
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class WeatherService {
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static List<double?>? getTemperatures() {
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// Imagine this makes a network call to get the current temperature.
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// We're using the current time to simulate a variance in responses.
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if (DateTime.now().millisecond.isEven) {
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return [32.2, 34.5, 31.0];
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} else {
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if ((DateTime.now().second / 10).round().isEven) {
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// Oops, we couldn't get any temperatures.
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return null;
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} else {
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// Oops, we couldn't get one of the temperatures.
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return [32.2, 34.5, null, 31.0];
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}
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}
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}
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}
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