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449f4a6673
* Update project.pbxproj files to say Flutter rather than Chromium Also, the templates now have an empty organization so that we don't cause people to give their apps a Flutter copyright. * Update the copyright notice checker to require a standard notice on all files * Update copyrights on Dart files. (This was a mechanical commit.) * Fix weird license headers on Dart files that deviate from our conventions; relicense Shrine. Some were already marked "The Flutter Authors", not clear why. Their dates have been normalized. Some were missing the blank line after the license. Some were randomly different in trivial ways for no apparent reason (e.g. missing the trailing period). * Clean up the copyrights in non-Dart files. (Manual edits.) Also, make sure templates don't have copyrights. * Fix some more ORGANIZATIONNAMEs
84 lines
3.0 KiB
Dart
84 lines
3.0 KiB
Dart
// Copyright 2014 The Flutter Authors. 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 'package:flutter/gestures.dart';
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import 'package:flutter/foundation.dart' show defaultTargetPlatform;
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import 'package:flutter/material.dart';
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import 'package:url_launcher/url_launcher.dart';
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class _LinkTextSpan extends TextSpan {
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// Beware!
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//
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// This class is only safe because the TapGestureRecognizer is not
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// given a deadline and therefore never allocates any resources.
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//
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// In any other situation -- setting a deadline, using any of the less trivial
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// recognizers, etc -- you would have to manage the gesture recognizer's
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// lifetime and call dispose() when the TextSpan was no longer being rendered.
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//
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// Since TextSpan itself is @immutable, this means that you would have to
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// manage the recognizer from outside the TextSpan, e.g. in the State of a
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// stateful widget that then hands the recognizer to the TextSpan.
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_LinkTextSpan({ TextStyle style, String url, String text }) : super(
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style: style,
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text: text ?? url,
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recognizer: TapGestureRecognizer()..onTap = () {
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launch(url, forceSafariVC: false);
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}
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);
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}
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void showGalleryAboutDialog(BuildContext context) {
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final ThemeData themeData = Theme.of(context);
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final TextStyle aboutTextStyle = themeData.textTheme.body2;
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final TextStyle linkStyle = themeData.textTheme.body2.copyWith(color: themeData.accentColor);
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showAboutDialog(
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context: context,
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applicationVersion: 'January 2019',
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applicationIcon: const FlutterLogo(),
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applicationLegalese: '© 2014 The Flutter Authors',
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children: <Widget>[
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Padding(
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padding: const EdgeInsets.only(top: 24.0),
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child: RichText(
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text: TextSpan(
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children: <TextSpan>[
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TextSpan(
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style: aboutTextStyle,
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text: 'Flutter is an open-source project to help developers '
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'build high-performance, high-fidelity, mobile apps for '
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'${defaultTargetPlatform == TargetPlatform.iOS ? 'multiple platforms' : 'iOS and Android'} '
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'from a single codebase. This design lab is a playground '
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"and showcase of Flutter's many widgets, behaviors, "
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'animations, layouts, and more. Learn more about Flutter at ',
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),
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_LinkTextSpan(
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style: linkStyle,
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url: 'https://flutter.dev',
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),
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TextSpan(
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style: aboutTextStyle,
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text: '.\n\nTo see the source code for this app, please visit the ',
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),
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_LinkTextSpan(
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style: linkStyle,
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url: 'https://goo.gl/iv1p4G',
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text: 'flutter github repo',
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),
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TextSpan(
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style: aboutTextStyle,
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text: '.',
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),
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],
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),
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),
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),
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],
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);
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}
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