Starter/samples
1
0
Fork 0
mirror of https://github.com/flutter/samples.git synced 2025-11-08 13:58:47 +00:00
Code Issues Releases Wiki Activity

Adding Rally App to Flutter Samples (#135)

Browse Source
This commit is contained in:
lisa-liao
2019-09-05 15:36:20 -04:00
committed by Andrew Brogdon
parent 3348c2f2dd
commit c056b754a2
31 changed files with 2348 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

299
LICENSE
View File

@@ -25,3 +25,302 @@
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--------------------------------------------------------------------------------
Copyright (c) 2014, Vaibhav Singh (design) and Rosetta Type Foundry s.r.o. (post-production).
This Font Software is licensed under the SIL Open Font License, Version 1.1.
This license is copied below, and is also available with a FAQ at:
http://scripts.sil.org/OFL
-----------------------------------------------------------
SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
-----------------------------------------------------------
PREAMBLE
The goals of the Open Font License (OFL) are to stimulate worldwide
development of collaborative font projects, to support the font creation
efforts of academic and linguistic communities, and to provide a free and
open framework in which fonts may be shared and improved in partnership
with others.
The OFL allows the licensed fonts to be used, studied, modified and
redistributed freely as long as they are not sold by themselves. The
fonts, including any derivative works, can be bundled, embedded,
redistributed and/or sold with any software provided that any reserved
names are not used by derivative works. The fonts and derivatives,
however, cannot be released under any other type of license. The
requirement for fonts to remain under this license does not apply
to any document created using the fonts or their derivatives.
DEFINITIONS
"Font Software" refers to the set of files released by the Copyright
Holder(s) under this license and clearly marked as such. This may
include source files, build scripts and documentation.
"Reserved Font Name" refers to any names specified as such after the
copyright statement(s).
"Original Version" refers to the collection of Font Software components as
distributed by the Copyright Holder(s).
"Modified Version" refers to any derivative made by adding to, deleting,
or substituting -- in part or in whole -- any of the components of the
Original Version, by changing formats or by porting the Font Software to a
new environment.
"Author" refers to any designer, engineer, programmer, technical
writer or other person who contributed to the Font Software.
PERMISSION & CONDITIONS
Permission is hereby granted, free of charge, to any person obtaining
a copy of the Font Software, to use, study, copy, merge, embed, modify,
redistribute, and sell modified and unmodified copies of the Font
Software, subject to the following conditions:
1) Neither the Font Software nor any of its individual components,
in Original or Modified Versions, may be sold by itself.
2) Original or Modified Versions of the Font Software may be bundled,
redistributed and/or sold with any software, provided that each copy
contains the above copyright notice and this license. These can be
included either as stand-alone text files, human-readable headers or
in the appropriate machine-readable metadata fields within text or
binary files as long as those fields can be easily viewed by the user.
3) No Modified Version of the Font Software may use the Reserved Font
Name(s) unless explicit written permission is granted by the corresponding
Copyright Holder. This restriction only applies to the primary font name as
presented to the users.
4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
Software shall not be used to promote, endorse or advertise any
Modified Version, except to acknowledge the contribution(s) of the
Copyright Holder(s) and the Author(s) or with their explicit written
permission.
5) The Font Software, modified or unmodified, in part or in whole,
must be distributed entirely under this license, and must not be
distributed under any other license. The requirement for fonts to
remain under this license does not apply to any document created
using the Font Software.
TERMINATION
This license becomes null and void if any of the above conditions are
not met.
DISCLAIMER
THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
OTHER DEALINGS IN THE FONT SOFTWARE.
--------------------------------------------------------------------------------
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

70
material_studies/rally/.gitignore vendored Normal file
View File

@@ -0,0 +1,70 @@
# Miscellaneous
*.class
*.log
*.pyc
*.swp
.DS_Store
.atom/
.buildlog/
.history
.svn/
# IntelliJ related
*.iml
*.ipr
*.iws
.idea/
# Visual Studio Code related
.vscode/
# Flutter/Dart/Pub related
**/doc/api/
.dart_tool/
.flutter-plugins
.packages
.pub-cache/
.pub/
/build/
# Android related
**/android/**/gradle-wrapper.jar
**/android/.gradle
**/android/captures/
**/android/gradlew
**/android/gradlew.bat
**/android/local.properties
**/android/**/GeneratedPluginRegistrant.java
# iOS/XCode related
**/ios/**/*.mode1v3
**/ios/**/*.mode2v3
**/ios/**/*.moved-aside
**/ios/**/*.pbxuser
**/ios/**/*.perspectivev3
**/ios/**/*sync/
**/ios/**/.sconsign.dblite
**/ios/**/.tags*
**/ios/**/.vagrant/
**/ios/**/DerivedData/
**/ios/**/Icon?
**/ios/**/Pods/
**/ios/**/.symlinks/
**/ios/**/profile
**/ios/**/xcuserdata
**/ios/.generated/
**/ios/Flutter/App.framework
**/ios/Flutter/Flutter.framework
**/ios/Flutter/Generated.xcconfig
**/ios/Flutter/app.flx
**/ios/Flutter/app.zip
**/ios/Flutter/flutter_assets/
**/ios/ServiceDefinitions.json
**/ios/Runner/GeneratedPluginRegistrant.*
# Exceptions to above rules.
!**/ios/**/default.mode1v3
!**/ios/**/default.mode2v3
!**/ios/**/default.pbxuser
!**/ios/**/default.perspectivev3
!/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages

37
material_studies/rally/README.md Normal file
View File

@@ -0,0 +1,37 @@
# Rally
A Flutter sample app based on the Material study Rally (a hypothetical, personal finance app). It
showcases custom tabs, custom painted widgets, and custom animations.
For info on the Rally Material Study, see: https://material.io/design/material-studies/rally.html
## Goals
* Show how to customize a tab bar.
* Show how to create reusable custom widgets with composition and custom painting.
* Show how to create an app with tabs and child navigation screens.
## The important bits
### `/charts/*`
These are the custom charts. The circle chart and line chart are custom painters,
while the single vertical bar chart is a simple composition of boxes.
### `/sections/*`
These are the main sections for the tab views and the child screen with the details and line chart.
The financial entity is a reusable screen that is the base for the accounts, bills, and budgets
screens.
## Questions/issues
If you have a general question about any of the techniques you see in
the sample, the best places to go are:
* [The FlutterDev Google Group](https://groups.google.com/forum/#!forum/flutter-dev)
* [The Flutter Gitter channel](https://gitter.im/flutter/flutter)
* [StackOverflow](https://stackoverflow.com/questions/tagged/flutter)
If you run into an issue with the sample itself, please file an issue
in the [main Flutter repo](https://github.com/flutter/flutter/issues).

30
material_studies/rally/analysis_options.yaml Normal file
View File

@@ -0,0 +1,30 @@
include: package:pedantic/analysis_options.1.7.0.yaml
analyzer:
strong-mode:
implicit-casts: false
implicit-dynamic: false
linter:
rules:
- avoid_types_on_closure_parameters
- avoid_void_async
- await_only_futures
- camel_case_types
- cancel_subscriptions
- close_sinks
- constant_identifier_names
- control_flow_in_finally
- empty_statements
- hash_and_equals
- implementation_imports
- non_constant_identifier_names
- package_api_docs
- package_names
- package_prefixed_library_names
- test_types_in_equals
- throw_in_finally
- unnecessary_brace_in_string_interps
- unnecessary_getters_setters
- unnecessary_new
- unnecessary_statements

BIN
material_studies/rally/assets/logo.png Normal file
View File

Binary file not shown.
Side by Side

After

Width:  |  Height:  |  Size: 6.1 KiB

BIN
material_studies/rally/assets/thumb.png Normal file
View File

Binary file not shown.
Side by Side

After

Width:  |  Height:  |  Size: 3.2 KiB

BIN
material_studies/rally/fonts/Eczar-Bold.ttf Executable file
View File

Binary file not shown.

BIN
material_studies/rally/fonts/Eczar-Regular.ttf Executable file
View File

Binary file not shown.

BIN
material_studies/rally/fonts/Eczar-SemiBold.ttf Executable file
View File

Binary file not shown.

BIN
material_studies/rally/fonts/RobotoCondensed-Bold.ttf Executable file
View File

Binary file not shown.

BIN
material_studies/rally/fonts/RobotoCondensed-Light.ttf Executable file
View File

Binary file not shown.

BIN
material_studies/rally/fonts/RobotoCondensed-Regular.ttf Executable file
View File

Binary file not shown.

85
material_studies/rally/lib/app.dart Normal file
View File

@@ -0,0 +1,85 @@
// Copyright 2019-present the Flutter authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:rally/colors.dart';
import 'package:rally/home.dart';
import 'package:rally/login.dart';
/// The RallyApp is a MaterialApp with a theme and 2 routes.
///
/// The home route is the main page with tabs for sub pages.
/// The login route is the initial route.
class RallyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Rally',
theme: _buildRallyTheme(),
home: HomePage(),
initialRoute: '/login',
routes: {'/login': (context) => LoginPage()},
);
}
ThemeData _buildRallyTheme() {
final ThemeData base = ThemeData.dark();
return ThemeData(
scaffoldBackgroundColor: RallyColors.primaryBackground,
primaryColor: RallyColors.primaryBackground,
textTheme: _buildRallyTextTheme(base.textTheme),
inputDecorationTheme: InputDecorationTheme(
labelStyle:
TextStyle(color: RallyColors.gray, fontWeight: FontWeight.w500),
filled: true,
fillColor: RallyColors.inputBackground,
focusedBorder: InputBorder.none,
),
);
}
TextTheme _buildRallyTextTheme(TextTheme base) {
return base
.copyWith(
body1: base.body1.copyWith(
fontFamily: 'Roboto Condensed',
fontSize: 14,
fontWeight: FontWeight.w400,
),
body2: base.body2.copyWith(
fontFamily: 'Eczar',
fontSize: 40,
fontWeight: FontWeight.w400,
letterSpacing: 1.4,
),
button: base.button.copyWith(
fontFamily: 'Roboto Condensed',
fontWeight: FontWeight.w700,
letterSpacing: 2.8,
),
headline: base.body2.copyWith(
fontFamily: 'Eczar',
fontSize: 40,
fontWeight: FontWeight.w600,
letterSpacing: 1.4,
),
)
.apply(
displayColor: Colors.white,
bodyColor: Colors.white,
);
}
}

193
material_studies/rally/lib/charts/line_chart.dart Normal file
View File

@@ -0,0 +1,193 @@
// Copyright 2019-present the Flutter authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/widgets.dart';
import 'package:rally/colors.dart';
import 'package:rally/data.dart';
class RallyLineChart extends StatelessWidget {
RallyLineChart({this.events = const []}) : assert(events != null);
final List<DetailedEventData> events;
@override
Widget build(BuildContext context) {
return CustomPaint(painter: RallyLineChartPainter(context, events));
}
}
class RallyLineChartPainter extends CustomPainter {
RallyLineChartPainter(this.context, this.events);
final BuildContext context;
// Events to plot on the line as points.
final List<DetailedEventData> events;
// Number of days to plot.
// This is hardcoded to reflect the dummy data, but would be dynamic in a real
// app.
final int numDays = 52;
// Beginning of window. The end is this plus numDays.
// This is hardcoded to reflect the dummy data, but would be dynamic in a real
// app.
final DateTime startDate = DateTime.utc(2018, 12, 1);
// Ranges uses to lerp the pixel points.
// This is hardcoded to reflect the dummy data, but would be dynamic in a real
// app.
final double maxAmount = 3000.0; // minAmount is assumed to be 0.0
// The number of milliseconds in a day. This is the inherit period fot the
// points in this line.
static const int millisInDay = 24 * 60 * 60 * 1000;
// Amount to shift the tick drawing by so that the sunday ticks do not start
// on the edge.
final int tickShift = 3;
// Arbitrary unit of space for absolute positioned painting.
final double space = 16.0;
@override
void paint(Canvas canvas, Size size) {
double ticksTop = size.height - space * 5;
double labelsTop = size.height - space * 2;
_drawLine(
canvas,
Rect.fromLTWH(0.0, 0.0, size.width, ticksTop),
);
_drawXAxisTicks(
canvas,
Rect.fromLTWH(0.0, ticksTop, size.width, labelsTop - ticksTop),
);
_drawXAxisLabels(
canvas,
Rect.fromLTWH(0.0, labelsTop, size.width, size.height - labelsTop),
);
}
@override
bool shouldRepaint(CustomPainter oldDelegate) {
return false;
}
void _drawLine(Canvas canvas, Rect rect) {
final linePaint = Paint()
..color = RallyColors.accountColor(2)
..style = PaintingStyle.stroke
..strokeWidth = 2.0;
// Arbitrary value for the first point. In a real app, a wider range of
// points would be used that go beyond the boundaries of the screen.
double lastAmount = 800.0;
// Try changing this value between 1, 7, 15, etc.
int smoothing = 7;
// Align the points with equal deltas (1 day) as a cumulative sum.
int startMillis = startDate.millisecondsSinceEpoch;
final points = [
Offset(0.0, (maxAmount - lastAmount) / maxAmount * rect.height)
];
for (int i = 0; i < numDays + smoothing; i++) {
int endMillis = startMillis + millisInDay * 1;
final filteredEvents = events.where((e) {
return startMillis <= e.date.millisecondsSinceEpoch &&
e.date.millisecondsSinceEpoch <= endMillis;
}).toList();
lastAmount += filteredEvents.fold<num>(0.0, (sum, e) => sum + e.amount);
double x = i / numDays * rect.width;
double y = (maxAmount - lastAmount) / maxAmount * rect.height;
points.add(Offset(x, y));
startMillis = endMillis;
}
final Path path = Path();
path.moveTo(points[0].dx, points[0].dy);
for (int i = 1; i < points.length - smoothing; i += smoothing) {
double x1 = points[i].dx;
double y1 = points[i].dy;
double x2 = (x1 + points[i + smoothing].dx) / 2;
double y2 = (y1 + points[i + smoothing].dy) / 2;
path.quadraticBezierTo(x1, y1, x2, y2);
}
canvas.drawPath(path, linePaint);
}
/// Draw the X-axis increment markers at constant width intervals.
void _drawXAxisTicks(Canvas canvas, Rect rect) {
double dayTop = (rect.top + rect.bottom) / 2;
for (int i = 0; i < numDays; i++) {
double x = rect.width / numDays * i;
canvas.drawRect(
Rect.fromPoints(
Offset(x, i % 7 == tickShift ? rect.top : dayTop),
Offset(x, rect.bottom),
),
Paint()
..style = PaintingStyle.stroke
..strokeWidth = 1.0
..color = RallyColors.gray25,
);
}
}
/// Set X-axis labels under the X-axis increment markers.
void _drawXAxisLabels(Canvas canvas, Rect rect) {
final selectedLabelStyle = Theme.of(context).textTheme.body1.copyWith(
fontWeight: FontWeight.w700,
);
final unselectedLabelStyle = Theme.of(context).textTheme.body1.copyWith(
fontWeight: FontWeight.w700,
color: RallyColors.gray25,
);
final leftLabel = TextPainter(
text: TextSpan(
text: 'AUGUST 2019',
style: unselectedLabelStyle,
),
textDirection: TextDirection.ltr,
);
leftLabel.layout();
leftLabel.paint(canvas, Offset(rect.left + space / 2, rect.center.dy));
final centerLabel = TextPainter(
text: TextSpan(text: 'SEPTEMBER 2019', style: selectedLabelStyle),
textDirection: TextDirection.ltr,
);
centerLabel.layout();
final double x = (rect.width - centerLabel.width) / 2;
final double y = rect.center.dy;
centerLabel.paint(canvas, Offset(x, y));
final rightLabel = TextPainter(
text: TextSpan(
text: 'OCTOBER 2019',
style: unselectedLabelStyle,
),
textDirection: TextDirection.ltr,
);
rightLabel.layout();
rightLabel.paint(
canvas,
Offset(rect.right - centerLabel.width - space / 2, rect.center.dy),
);
}
}

239
material_studies/rally/lib/charts/pie_chart.dart Normal file
View File

@@ -0,0 +1,239 @@
// Copyright 2019-present the Flutter authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import 'dart:math';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/widgets.dart';
import 'package:rally/colors.dart';
import 'package:rally/data.dart';
import 'package:rally/formatters.dart';
/// A colored piece of the [RallyPieChart].
class RallyPieChartSegment {
final Color color;
final double value;
const RallyPieChartSegment({this.color, this.value});
}
List<RallyPieChartSegment> buildSegmentsFromAccountItems(
List<AccountData> items) {
return List<RallyPieChartSegment>.generate(
items.length,
(i) => RallyPieChartSegment(
color: RallyColors.accountColor(i),
value: items[i].primaryAmount,
),
);
}
List<RallyPieChartSegment> buildSegmentsFromBillItems(List<BillData> items) {
return List<RallyPieChartSegment>.generate(
items.length,
(i) => RallyPieChartSegment(
color: RallyColors.billColor(i),
value: items[i].primaryAmount,
),
);
}
List<RallyPieChartSegment> buildSegmentsFromBudgetItems(
List<BudgetData> items) {
return List<RallyPieChartSegment>.generate(
items.length,
(i) => RallyPieChartSegment(
color: RallyColors.budgetColor(i),
value: items[i].primaryAmount - items[i].amountUsed,
),
);
}
/// An animated circular pie chart to represent pieces of a whole, which can
/// have empty space.
class RallyPieChart extends StatefulWidget {
RallyPieChart(
{this.heroLabel, this.heroAmount, this.wholeAmount, this.segments});
final String heroLabel;
final double heroAmount;
final double wholeAmount;
final List<RallyPieChartSegment> segments;
_RallyPieChartState createState() => _RallyPieChartState();
}
class _RallyPieChartState extends State<RallyPieChart>
with SingleTickerProviderStateMixin {
AnimationController controller;
Animation<double> animation;
@override
initState() {
super.initState();
controller = AnimationController(
duration: const Duration(milliseconds: 600), vsync: this);
animation = CurvedAnimation(
parent: TweenSequence(<TweenSequenceItem<double>>[
TweenSequenceItem(tween: Tween(begin: 0.0, end: 0.0), weight: 1.0),
TweenSequenceItem(tween: Tween(begin: 0.0, end: 1.0), weight: 1.5),
]).animate(controller),
curve: Curves.decelerate);
controller.forward();
}
dispose() {
controller.dispose();
super.dispose();
}
Widget build(BuildContext context) {
return _AnimatedRallyPieChart(
animation: animation,
centerLabel: widget.heroLabel,
centerAmount: widget.heroAmount,
total: widget.wholeAmount,
segments: widget.segments,
);
}
}
class _AnimatedRallyPieChart extends AnimatedWidget {
_AnimatedRallyPieChart({
Key key,
this.animation,
this.centerLabel,
this.centerAmount,
this.total,
this.segments,
}) : super(key: key, listenable: animation);
final Animation<double> animation;
final String centerLabel;
final double centerAmount;
final double total;
final List<RallyPieChartSegment> segments;
Widget build(BuildContext context) {
final labelTextStyle = Theme.of(context)
.textTheme
.body1
.copyWith(fontSize: 14.0, letterSpacing: 0.5);
return DecoratedBox(
decoration: _RallyPieChartOutlineDecoration(
maxFraction: animation.value, total: total, segments: segments),
child: SizedBox(
height: 300.0,
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
centerLabel,
style: labelTextStyle,
),
Text(
Formatters.usdWithSign.format(centerAmount),
style: Theme.of(context).textTheme.headline,
),
],
),
),
),
);
}
}
class _RallyPieChartOutlineDecoration extends Decoration {
_RallyPieChartOutlineDecoration(
{this.maxFraction, this.total, this.segments});
final double maxFraction;
final double total;
final List<RallyPieChartSegment> segments;
@override
BoxPainter createBoxPainter([onChanged]) {
return _RallyPieChartOutlineBoxPainter(
maxFraction: maxFraction,
wholeAmount: total,
segments: segments,
);
}
}
class _RallyPieChartOutlineBoxPainter extends BoxPainter {
_RallyPieChartOutlineBoxPainter(
{this.maxFraction, this.wholeAmount, this.segments});
final double maxFraction;
final double wholeAmount;
final List<RallyPieChartSegment> segments;
@override
void paint(Canvas canvas, Offset offset, ImageConfiguration configuration) {
// Create two padded rects to draw arcs in: one for colored arcs and one for
// inner bg arc.
const double strokeWidth = 4.0;
final outerRadius =
min(configuration.size.width, configuration.size.height) / 2;
final outerRect = Rect.fromCircle(
center: configuration.size.center(Offset.zero),
radius: outerRadius - strokeWidth * 3.0);
final innerRect = Rect.fromCircle(
center: configuration.size.center(Offset.zero),
radius: outerRadius - strokeWidth * 4.0);
// Paint each arc with spacing.
double cummulativeSpace = 0.0;
double cummulativeTotal = 0.0;
const double wholeRadians = (2.0 * pi);
const double spaceRadians = wholeRadians / 180.0;
final wholeMinusSpacesRadians =
wholeRadians - (segments.length * spaceRadians);
for (RallyPieChartSegment segment in segments) {
final paint = Paint()..color = segment.color;
final start = maxFraction *
((cummulativeTotal / wholeAmount * wholeMinusSpacesRadians) +
cummulativeSpace) -
pi / 2.0;
final sweep =
maxFraction * (segment.value / wholeAmount * wholeMinusSpacesRadians);
canvas.drawArc(outerRect, start, sweep, true, paint);
cummulativeTotal += segment.value;
cummulativeSpace += spaceRadians;
}
// Paint any remaining space black (e.g. budget amount remaining).
double remaining = wholeAmount - cummulativeTotal;
if (remaining > 0) {
final paint = Paint()..color = Colors.black;
final start = maxFraction *
((cummulativeTotal / wholeAmount * wholeMinusSpacesRadians) +
spaceRadians * segments.length) -
pi / 2.0;
final sweep = maxFraction *
(remaining / wholeAmount * wholeMinusSpacesRadians - spaceRadians);
canvas.drawArc(outerRect, start, sweep, true, paint);
}
// Paint a smaller inner circle to cover the painted arcs, so they are
// display as segments.
Paint bgPaint = Paint()..color = RallyColors.primaryBackground;
canvas.drawArc(innerRect, 0.0, 2.0 * pi, true, bgPaint);
}
}

45
material_studies/rally/lib/charts/vertical_fraction_bar.dart Normal file
View File

@@ -0,0 +1,45 @@
// Copyright 2019-present the Flutter authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
class VerticalFractionBar extends StatelessWidget {
VerticalFractionBar({this.color, this.fraction});
final Color color;
final double fraction;
@override
Widget build(BuildContext context) {
return SizedBox(
height: 32.0,
width: 4.0,
child: Column(
children: [
SizedBox(
height: (1 - fraction) * 32.0,
child: Container(
color: Colors.black,
),
),
SizedBox(
height: fraction * 32.0,
child: Container(color: color),
),
],
),
);
}
}

69
material_studies/rally/lib/colors.dart Normal file
View File

@@ -0,0 +1,69 @@
// Copyright 2019-present the Flutter authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import 'package:flutter/material.dart';
/// Most color assignments in Rally are not like the the typical color
/// assignments that are common in other apps. Instead of primarily mapping to
/// component type and part, they are assigned round robin based on layout.
class RallyColors {
static const accountColors = [
Color(0xFF005D57),
Color(0xFF04B97F),
Color(0xFF37EFBA),
Color(0xFF007D51),
];
static const billColors = [
Color(0xFFFFDC78),
Color(0xFFFF6951),
Color(0xFFFFD7D0),
Color(0xFFFFAC12),
];
static const budgetColors = [
Color(0xFFB2F2FF),
Color(0xFFB15DFF),
Color(0xFF72DEFF),
Color(0xFF0082FB),
];
static const gray = Color(0xFFD8D8D8);
static const gray60 = Color(0x99D8D8D8);
static const gray25 = Color(0x40D8D8D8);
static const white60 = Color(0x99FFFFFF);
static const primaryBackground = Color(0xFF33333D);
static const inputBackground = Color(0xFF26282F);
static const cardBackground = Color(0x03FEFEFE);
/// Convenience method to get a single account color with position i.
static Color accountColor(int i) {
return cycledColor(accountColors, i);
}
/// Convenience method to get a single bill color with position i.
static Color billColor(int i) {
return cycledColor(billColors, i);
}
/// Convenience method to get a single budget color with position i.
static Color budgetColor(int i) {
return cycledColor(budgetColors, i);
}
/// Gets a color from a list that is considered to be infinitely repeating.
static Color cycledColor(List<Color> colors, int i) {
return colors[i % colors.length];
}
}

223
material_studies/rally/lib/data.dart Normal file
View File

@@ -0,0 +1,223 @@
// Copyright 2019-present the Flutter authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/// Calculates the sum of the primary amounts of a list of [AccountData].
double sumAccountDataPrimaryAmount(List<AccountData> items) {
return items.fold(
0,
(sum, next) => sum + next.primaryAmount,
);
}
/// Calculates the sum of the primary amounts of a list of [BillData].
double sumBillDataPrimaryAmount(List<BillData> items) {
return items.fold(
0,
(sum, next) => sum + next.primaryAmount,
);
}
/// Calculates the sum of the primary amounts of a list of [BudgetData].
double sumBudgetDataPrimaryAmount(List<BudgetData> items) {
return items.fold(
0,
(sum, next) => sum + next.primaryAmount,
);
}
/// Calculates the sum of the amounts used of a list of [BudgetData].
double sumBudgetDataAmountUsed(List<BudgetData> items) {
return items.fold(
0.0,
(sum, next) => sum + next.amountUsed,
);
}
/// A data model for an account.
///
/// The [primaryAmount] is the balance of the account in USD.
class AccountData {
const AccountData({this.name, this.primaryAmount, this.accountNumber});
/// The display name of this entity.
final String name;
// The primary amount or value of this entity.
final double primaryAmount;
/// The full displayable account number.
final String accountNumber;
}
/// A data model for a bill.
///
/// The [primaryAmount] is the amount due in USD.
class BillData {
const BillData({this.name, this.primaryAmount, this.dueDate});
/// The display name of this entity.
final String name;
// The primary amount or value of this entity.
final double primaryAmount;
/// The due date of this bill.
final String dueDate;
}
/// A data model for a budget.
///
/// The [primaryAmount] is the budget cap in USD.
class BudgetData {
const BudgetData({this.name, this.primaryAmount, this.amountUsed});
/// The display name of this entity.
final String name;
// The primary amount or value of this entity.
final double primaryAmount;
/// Amount of the budget that is consumed or used.
final double amountUsed;
}
class DetailedEventData {
const DetailedEventData({
this.title,
this.date,
this.amount,
});
final String title;
final DateTime date;
final double amount;
}
/// Class to return dummy data lists.
///
/// In a real app, this might be replaced with some asynchronous service.
class DummyDataService {
static List<AccountData> getAccountDataList() {
return [
AccountData(
name: 'Checking',
primaryAmount: 2215.13,
accountNumber: '1234561234',
),
AccountData(
name: 'Home Savings',
primaryAmount: 8678.88,
accountNumber: '8888885678',
),
AccountData(
name: 'Car Savings',
primaryAmount: 987.48,
accountNumber: '8888889012',
),
AccountData(
name: 'Vacation',
primaryAmount: 253.0,
accountNumber: '1231233456',
),
];
}
static List<DetailedEventData> getDetailedEventItems() {
return [
DetailedEventData(
title: 'Genoe', date: DateTime.utc(2019, 1, 24), amount: -16.54),
DetailedEventData(
title: 'Fortnightly Subscribe',
date: DateTime.utc(2019, 1, 5),
amount: -12.54),
DetailedEventData(
title: 'Circle Cash', date: DateTime.utc(2019, 1, 5), amount: 365.65),
DetailedEventData(
title: 'Crane Hospitality',
date: DateTime.utc(2019, 1, 4),
amount: -705.13),
DetailedEventData(
title: 'ABC Payroll',
date: DateTime.utc(2018, 12, 15),
amount: 1141.43),
DetailedEventData(
title: 'Shrine', date: DateTime.utc(2018, 12, 15), amount: -88.88),
DetailedEventData(
title: 'Foodmates', date: DateTime.utc(2018, 12, 4), amount: -11.69),
];
}
static List<BillData> getBillDataList() {
return [
BillData(
name: 'RedPay Credit',
primaryAmount: 45.36,
dueDate: 'Jan 29',
),
BillData(
name: 'Rent',
primaryAmount: 1200.0,
dueDate: 'Feb 9',
),
BillData(
name: 'TabFine Credit',
primaryAmount: 87.33,
dueDate: 'Feb 22',
),
BillData(
name: 'ABC Loans',
primaryAmount: 400.0,
dueDate: 'Feb 29',
),
];
}
static List<BudgetData> getBudgetDataList() {
return [
BudgetData(
name: 'Coffee Shops',
primaryAmount: 70.0,
amountUsed: 45.49,
),
BudgetData(
name: 'Groceries',
primaryAmount: 170.0,
amountUsed: 16.45,
),
BudgetData(
name: 'Restaurants',
primaryAmount: 170.0,
amountUsed: 123.25,
),
BudgetData(
name: 'Clothing',
primaryAmount: 70.0,
amountUsed: 19.45,
),
];
}
static List<String> getSettingsTitles() {
return [
'Manage Accounts',
'Tax Documents',
'Passcode and Touch ID',
'Notifications',
'Personal Information',
'Paperless Settings',
'Find ATMs',
'Help',
];
}
}

344
material_studies/rally/lib/finance.dart Normal file
View File

@@ -0,0 +1,344 @@
// Copyright 2019-present the Flutter authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:rally/charts/pie_chart.dart';
import 'package:rally/charts/line_chart.dart';
import 'package:rally/charts/vertical_fraction_bar.dart';
import 'package:rally/colors.dart';
import 'package:rally/data.dart';
import 'package:rally/formatters.dart';
class FinancialEntityView extends StatelessWidget {
FinancialEntityView({
this.heroLabel,
this.heroAmount,
this.wholeAmount,
this.segments,
this.financialEntityCards,
}) : assert(segments.length == financialEntityCards.length);
/// The amounts to assign each item.
///
/// This list must have the same length as [colors].
final List<RallyPieChartSegment> segments;
final String heroLabel;
final double heroAmount;
final double wholeAmount;
final List<FinancialEntityCategoryView> financialEntityCards;
@override
Widget build(BuildContext context) {
return Column(
children: [
RallyPieChart(
heroLabel: heroLabel,
heroAmount: heroAmount,
wholeAmount: wholeAmount,
segments: segments,
),
SizedBox(
height: 1.0,
child: Container(
color: Color(0xA026282F),
),
),
ListView(shrinkWrap: true, children: financialEntityCards)
],
);
}
}
/// A reusable widget to show balance information of a single entity as a card.
class FinancialEntityCategoryView extends StatelessWidget {
const FinancialEntityCategoryView({
@required this.indicatorColor,
@required this.indicatorFraction,
@required this.title,
@required this.subtitle,
@required this.amount,
@required this.suffix,
});
final Color indicatorColor;
final double indicatorFraction;
final String title;
final String subtitle;
final double amount;
final Widget suffix;
@override
Widget build(BuildContext context) {
return FlatButton(
onPressed: () {
Navigator.push(
context,
MaterialPageRoute<FinancialEntityCategoryDetailsPage>(
builder: (context) => FinancialEntityCategoryDetailsPage(),
),
);
},
child: SizedBox(
height: 68,
child: Column(
children: [
Expanded(
child: Row(
children: [
Padding(
padding: EdgeInsets.only(left: 12, right: 12),
child: VerticalFractionBar(
color: indicatorColor,
fraction: indicatorFraction,
),
),
Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
title,
style: Theme.of(context)
.textTheme
.body1
.copyWith(fontSize: 16.0),
),
Text(
subtitle,
style: Theme.of(context)
.textTheme
.body1
.copyWith(color: RallyColors.gray60),
),
],
),
Spacer(),
Text(
'\$ ' + Formatters.usd.format(amount),
style: Theme.of(context)
.textTheme
.body2
.copyWith(fontSize: 20.0, color: RallyColors.gray),
),
SizedBox(width: 32.0, child: suffix),
],
),
),
Divider(
height: 1,
indent: 16,
endIndent: 16,
color: Color(0xAA282828),
),
],
),
),
);
}
}
/// Data model for [FinancialEntityCategoryView].
class FinancialEntityCategoryModel {
final Color indicatorColor;
final double indicatorFraction;
final String title;
final String subtitle;
final double usdAmount;
final Widget suffix;
const FinancialEntityCategoryModel(
this.indicatorColor,
this.indicatorFraction,
this.title,
this.subtitle,
this.usdAmount,
this.suffix,
);
}
FinancialEntityCategoryView buildFinancialEntityFromAccountData(
AccountData model,
int i,
) {
return FinancialEntityCategoryView(
suffix: Icon(Icons.chevron_right, color: Colors.grey),
title: model.name,
subtitle: '• • • • • • ${model.accountNumber.substring(6)}',
indicatorColor: RallyColors.accountColor(i),
indicatorFraction: 1.0,
amount: model.primaryAmount,
);
}
FinancialEntityCategoryView buildFinancialEntityFromBillData(
BillData model,
int i,
) {
return FinancialEntityCategoryView(
suffix: Icon(Icons.chevron_right, color: Colors.grey),
title: model.name,
subtitle: model.dueDate,
indicatorColor: RallyColors.billColor(i),
indicatorFraction: 1.0,
amount: model.primaryAmount,
);
}
FinancialEntityCategoryView buildFinancialEntityFromBudgetData(
BudgetData item,
int i,
BuildContext context,
) {
return FinancialEntityCategoryView(
suffix: Text(' LEFT',
style: Theme.of(context)
.textTheme
.body1
.copyWith(color: RallyColors.gray60, fontSize: 10.0)),
title: item.name,
subtitle: Formatters.usdWithSign.format(item.amountUsed) +
' / ' +
Formatters.usdWithSign.format(item.primaryAmount),
indicatorColor: RallyColors.budgetColor(i),
indicatorFraction: item.amountUsed / item.primaryAmount,
amount: item.primaryAmount - item.amountUsed,
);
}
List<FinancialEntityCategoryView> buildAccountDataListViews(
List<AccountData> items) {
return List<FinancialEntityCategoryView>.generate(
items.length, (i) => buildFinancialEntityFromAccountData(items[i], i));
}
List<FinancialEntityCategoryView> buildBillDataListViews(List<BillData> items) {
return List<FinancialEntityCategoryView>.generate(
items.length, (i) => buildFinancialEntityFromBillData(items[i], i));
}
List<FinancialEntityCategoryView> buildBudgetDataListViews(
List<BudgetData> items, BuildContext context) {
return [
for (var i = 0; i < items.length; i++)
buildFinancialEntityFromBudgetData(items[i], i, context)
];
}
class FinancialEntityCategoryDetailsPage extends StatelessWidget {
final List<DetailedEventData> items =
DummyDataService.getDetailedEventItems();
@override
Widget build(BuildContext context) {
final List<_DetailedEventCard> cards = items
.map((i) => _DetailedEventCard(
title: i.title,
subtitle: Formatters.date.format(i.date),
amount: i.amount,
))
.toList();
return Scaffold(
appBar: AppBar(
elevation: 0.0,
centerTitle: true,
title: Text(
'Checking',
style: Theme.of(context).textTheme.body1.copyWith(fontSize: 18.0),
),
),
body: Column(children: [
SizedBox(
height: 200.0,
width: double.infinity,
child: RallyLineChart(events: items)),
Flexible(
child: ListView(shrinkWrap: true, children: cards),
)
]),
);
}
}
class _DetailedEventCard extends StatelessWidget {
const _DetailedEventCard({
@required this.title,
@required this.subtitle,
@required this.amount,
});
final String title;
final String subtitle;
final double amount;
@override
Widget build(BuildContext context) {
return FlatButton(
onPressed: () {},
child: SizedBox(
height: 68.0,
child: Column(
children: [
SizedBox(
height: 67.0,
child: Row(
children: [
Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
title,
style: Theme.of(context)
.textTheme
.body1
.copyWith(fontSize: 16.0),
),
Text(
subtitle,
style: Theme.of(context)
.textTheme
.body1
.copyWith(color: RallyColors.gray60),
)
],
),
Spacer(),
Text(
'\$${Formatters.usd.format(amount)}',
style: Theme.of(context)
.textTheme
.body2
.copyWith(fontSize: 20.0, color: RallyColors.gray),
),
],
),
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 16.0),
child: SizedBox(
height: 1.0,
child: Container(
color: Color(0xAA282828),
),
),
)
],
),
),
);
}
}

21
material_studies/rally/lib/formatters.dart Normal file
View File

@@ -0,0 +1,21 @@
// Copyright 2019-present the Flutter authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import 'package:intl/intl.dart';
class Formatters {
static final NumberFormat usd = NumberFormat.currency(name: '');
static final NumberFormat usdWithSign = NumberFormat.currency(name: '\$');
static final DateFormat date = DateFormat('MM-dd-yy');
}

221
material_studies/rally/lib/home.dart Normal file
View File

@@ -0,0 +1,221 @@
// Copyright 2019-present the Flutter authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:rally/tabs/accounts.dart';
import 'package:rally/tabs/bills.dart';
import 'package:rally/tabs/budgets.dart';
import 'package:rally/tabs/overview.dart';
import 'package:rally/tabs/settings.dart';
const int tabCount = 5;
class HomePage extends StatefulWidget {
@override
_HomePageState createState() => _HomePageState();
}
class _HomePageState extends State<HomePage>
with SingleTickerProviderStateMixin {
TabController _tabController;
_HomePageState() {
_tabController = TabController(length: tabCount, vsync: this);
}
@override
void initState() {
super.initState();
print('_HomePageState initState');
_tabController.addListener(() {
if (_tabController.indexIsChanging &&
_tabController.previousIndex != _tabController.index) {
setState(() {});
}
});
}
@override
dispose() {
_tabController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
return Scaffold(
body: SafeArea(
child: Column(
children: [
Theme(
// This theme effectively removes the default visual touch
// feedback for tapping a tab, which is replaced with a custom
// animation.
data: theme.copyWith(
splashColor: Colors.transparent,
highlightColor: Colors.transparent,
),
child: TabBar(
// Setting isScrollable to true prevents the tabs from being
// wrapped in [Expanded] widgets, which allows for more
// flexible sizes and size animations among tabs.
isScrollable: true,
labelPadding: EdgeInsets.zero,
tabs: _buildTabs(theme),
controller: _tabController,
// This removes the tab indicator.
indicatorColor: Colors.transparent,
),
),
Expanded(
child: TabBarView(
controller: _tabController,
children: _buildTabViews(),
),
)
],
),
),
);
}
List<Widget> _buildTabs(ThemeData theme) {
return <Widget>[
_buildTab(theme, Icons.pie_chart, 'OVERVIEW', 0),
_buildTab(theme, Icons.attach_money, 'ACCOUNTS', 1),
_buildTab(theme, Icons.money_off, 'BILLS', 2),
_buildTab(theme, Icons.table_chart, 'BUDGETS', 3),
_buildTab(theme, Icons.settings, 'SETTINGS', 4),
];
}
List<Widget> _buildTabViews() {
return [
OverviewView(),
AccountsView(),
BillsView(),
BudgetsView(),
SettingsView(),
];
}
Widget _buildTab(
ThemeData theme,
IconData iconData,
String title,
int index,
) {
return _RallyTab(
theme.textTheme.button,
Icon(iconData),
title,
_tabController.index == index,
);
}
}
class _RallyTab extends StatefulWidget {
final TextStyle style;
final Text titleText;
final Icon icon;
final bool isExpanded;
_RallyTab(TextStyle style, Icon icon, String title, bool isExpanded)
: this.style = style,
this.titleText = Text(title, style: style),
this.icon = icon,
this.isExpanded = isExpanded;
_RallyTabState createState() => _RallyTabState();
}
class _RallyTabState extends State<_RallyTab>
with SingleTickerProviderStateMixin {
Animation<double> _titleSizeAnimation;
Animation<double> _titleFadeAnimation;
Animation<double> _iconFadeAnimation;
AnimationController _controller;
@override
initState() {
super.initState();
_controller = AnimationController(
duration: Duration(milliseconds: 200),
vsync: this,
);
_titleSizeAnimation = _controller.view;
_titleFadeAnimation = _controller.drive(CurveTween(curve: Curves.easeOut));
_iconFadeAnimation = _controller.drive(Tween(begin: 0.6, end: 1));
if (widget.isExpanded) {
_controller.value = 1.0;
}
}
@override
void didUpdateWidget(_RallyTab oldWidget) {
super.didUpdateWidget(oldWidget);
if (widget.isExpanded) {
_controller.forward();
} else {
_controller.reverse();
}
}
Widget build(BuildContext context) {
// Calculate the width of each unexpanded tab by counting the number of
// units and dividing it into the screen width. Each unexpanded tab is 1
// unit, and there is always 1 expanded tab which is 1 unit + any extra
// space determined by the multiplier.
final double width = MediaQuery.of(context).size.width;
final double expandedTitleWidthMultiplier = 2;
final double unitWidth = width / (tabCount + expandedTitleWidthMultiplier);
return SizedBox(
height: 56,
child: Row(
children: <Widget>[
FadeTransition(
child: SizedBox(
width: unitWidth,
child: widget.icon,
),
opacity: _iconFadeAnimation,
),
FadeTransition(
child: SizeTransition(
child: SizedBox(
width: unitWidth * expandedTitleWidthMultiplier,
child: Center(child: widget.titleText),
),
axis: Axis.horizontal,
axisAlignment: -1,
sizeFactor: _titleSizeAnimation,
),
opacity: _titleFadeAnimation,
),
],
),
);
}
@override
dispose() {
_controller.dispose();
super.dispose();
}
}

68
material_studies/rally/lib/login.dart Normal file
View File

@@ -0,0 +1,68 @@
// Copyright 2019-present the Flutter authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import 'package:flutter/material.dart';
class LoginPage extends StatefulWidget {
@override
_LoginPageState createState() => _LoginPageState();
}
class _LoginPageState extends State<LoginPage> {
final _usernameController = TextEditingController();
final _passwordController = TextEditingController();
@override
Widget build(BuildContext context) {
return Scaffold(
body: SafeArea(
child: GestureDetector(
onTap: () {
Navigator.pop(context);
},
child: ListView(
padding: EdgeInsets.symmetric(horizontal: 24),
children: [
Padding(
padding: const EdgeInsets.symmetric(vertical: 64),
child: SizedBox(
height: 160,
child: Image.asset('assets/logo.png'),
),
),
TextField(
controller: _usernameController,
decoration: InputDecoration(
labelText: 'Username',
),
),
SizedBox(height: 12),
TextField(
controller: _passwordController,
decoration: InputDecoration(
labelText: 'Password',
),
obscureText: true,
),
SizedBox(
height: 120,
child: Image.asset('assets/thumb.png'),
),
],
),
),
),
);
}
}

18
material_studies/rally/lib/main.dart Normal file
View File

@@ -0,0 +1,18 @@
// Copyright 2019-present the Flutter authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import 'package:flutter/material.dart';
import 'package:rally/app.dart';
void main() => runApp(RallyApp());

37
material_studies/rally/lib/tabs/accounts.dart Normal file
View File

@@ -0,0 +1,37 @@
// Copyright 2019-present the Flutter authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:rally/data.dart';
import 'package:rally/finance.dart';
import 'package:rally/charts/pie_chart.dart';
/// A page that shows a summary of accounts.
class AccountsView extends StatelessWidget {
final List<AccountData> items = DummyDataService.getAccountDataList();
@override
Widget build(BuildContext context) {
double balanceTotal = sumAccountDataPrimaryAmount(items);
return FinancialEntityView(
heroLabel: 'Total',
heroAmount: balanceTotal,
segments: buildSegmentsFromAccountItems(items),
wholeAmount: balanceTotal,
financialEntityCards: buildAccountDataListViews(items),
);
}
}

43
material_studies/rally/lib/tabs/bills.dart Normal file
View File

@@ -0,0 +1,43 @@
// Copyright 2019-present the Flutter authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:rally/data.dart';
import 'package:rally/finance.dart';
import 'package:rally/charts/pie_chart.dart';
/// A page that shows a summary of bills.
class BillsView extends StatefulWidget {
@override
_BillsViewState createState() => _BillsViewState();
}
class _BillsViewState extends State<BillsView>
with SingleTickerProviderStateMixin {
final List<BillData> items = DummyDataService.getBillDataList();
@override
Widget build(BuildContext context) {
double dueTotal = sumBillDataPrimaryAmount(items);
return FinancialEntityView(
heroLabel: 'Due',
heroAmount: dueTotal,
segments: buildSegmentsFromBillItems(items),
wholeAmount: dueTotal,
financialEntityCards: buildBillDataListViews(items),
);
}
}

43
material_studies/rally/lib/tabs/budgets.dart Normal file
View File

@@ -0,0 +1,43 @@
// Copyright 2019-present the Flutter authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:rally/charts/pie_chart.dart';
import 'package:rally/data.dart';
import 'package:rally/finance.dart';
class BudgetsView extends StatefulWidget {
@override
_BudgetsViewState createState() => _BudgetsViewState();
}
class _BudgetsViewState extends State<BudgetsView>
with SingleTickerProviderStateMixin {
final List<BudgetData> items = DummyDataService.getBudgetDataList();
@override
Widget build(BuildContext context) {
double capTotal = sumBudgetDataPrimaryAmount(items);
double usedTotal = sumBudgetDataAmountUsed(items);
return FinancialEntityView(
heroLabel: 'Left',
heroAmount: capTotal - usedTotal,
segments: buildSegmentsFromBudgetItems(items),
wholeAmount: capTotal,
financialEntityCards: buildBudgetDataListViews(items, context),
);
}
}

151
material_studies/rally/lib/tabs/overview.dart Normal file
View File

@@ -0,0 +1,151 @@
// Copyright 2019-present the Flutter authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import 'dart:math';
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:rally/colors.dart';
import 'package:rally/data.dart';
import 'package:rally/finance.dart';
import 'package:rally/formatters.dart';
/// A page that shows a status overview.
class OverviewView extends StatefulWidget {
@override
_OverviewViewState createState() => _OverviewViewState();
}
class _OverviewViewState extends State<OverviewView> {
@override
Widget build(BuildContext context) {
final accountDataList = DummyDataService.getAccountDataList();
final billDataList = DummyDataService.getBillDataList();
final budgetDataList = DummyDataService.getBudgetDataList();
return Padding(
padding: EdgeInsets.symmetric(horizontal: 16, vertical: 8),
child: ListView(children: [
_AlertsView(),
SizedBox(height: 16),
_FinancialView(
title: 'Accounts',
total: sumAccountDataPrimaryAmount(accountDataList),
financialItemViews: buildAccountDataListViews(accountDataList),
),
SizedBox(height: 16),
_FinancialView(
title: 'Bills',
total: sumBillDataPrimaryAmount(billDataList),
financialItemViews: buildBillDataListViews(billDataList),
),
SizedBox(height: 16),
_FinancialView(
title: 'Budgets',
total: sumBudgetDataPrimaryAmount(budgetDataList),
financialItemViews: buildBudgetDataListViews(budgetDataList, context),
),
SizedBox(height: 16),
]),
);
}
}
class _AlertsView extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Container(
padding: EdgeInsets.only(left: 16, top: 4, bottom: 4),
color: RallyColors.cardBackground,
child: Column(
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text('Alerts'),
FlatButton(
onPressed: () {},
child: Text('SEE ALL'),
textColor: Colors.white,
),
],
),
Container(color: RallyColors.primaryBackground, height: 1),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Expanded(
child: Text(
'Heads up, you’ve used up 90% of your Shopping budget for '
'this month.'),
),
SizedBox(
width: 100,
child: Align(
alignment: Alignment.topRight,
child: IconButton(
onPressed: () {},
icon: Icon(Icons.sort, color: RallyColors.white60),
),
),
),
],
)
],
),
);
}
}
class _FinancialView extends StatelessWidget {
_FinancialView({this.title, this.total, this.financialItemViews});
final String title;
final double total;
final List<FinancialEntityCategoryView> financialItemViews;
@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
return Container(
color: RallyColors.cardBackground,
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Padding(
padding: EdgeInsets.all(16),
child: Text(title),
),
Padding(
padding: EdgeInsets.only(left: 16, right: 16),
child: Text(
Formatters.usdWithSign.format(total),
style: theme.textTheme.body2.copyWith(
fontSize: 44.0,
fontWeight: FontWeight.w600,
),
),
),
...financialItemViews.sublist(0, min(financialItemViews.length, 3)),
FlatButton(
child: Text('SEE ALL'),
textColor: Colors.white,
onPressed: () {},
),
],
),
);
}
}

54
material_studies/rally/lib/tabs/settings.dart Normal file
View File

@@ -0,0 +1,54 @@
// Copyright 2019-present the Flutter authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:rally/data.dart';
class SettingsView extends StatefulWidget {
@override
_SettingsViewState createState() => _SettingsViewState();
}
class _SettingsViewState extends State<SettingsView> {
List<Widget> items = DummyDataService.getSettingsTitles()
.map((title) => _SettingsItem(title))
.toList();
@override
Widget build(BuildContext context) {
return ListView(children: items);
}
}
class _SettingsItem extends StatelessWidget {
_SettingsItem(this.title);
final String title;
@override
Widget build(BuildContext context) {
return FlatButton(
textColor: Colors.white,
child: SizedBox(
height: 60,
child: Row(children: <Widget>[
Text(title),
]),
),
onPressed: () {},
);
}
}

39
material_studies/rally/pubspec.yaml Normal file
View File

@@ -0,0 +1,39 @@
name: rally
description: Rally
version: 1.0.0+1
environment:
sdk: ">=2.2.2 <3.0.0"
dependencies:
flutter:
sdk: flutter
cupertino_icons: ^0.1.2
intl: ^0.15.7
dev_dependencies:
flutter_test:
sdk: flutter
flutter:
uses-material-design: true
assets:
- assets/logo.png
- assets/thumb.png
fonts:
- family: Roboto Condensed
fonts:
- asset: fonts/RobotoCondensed-Light.ttf
weight: 400
- asset: fonts/RobotoCondensed-Regular.ttf
weight: 500
- asset: fonts/RobotoCondensed-Bold.ttf
weight: 700
- family: Eczar
fonts:
- asset: fonts/Eczar-Regular.ttf
weight: 400
- asset: fonts/Eczar-SemiBold.ttf
weight: 600
- asset: fonts/Eczar-Bold.ttf
weight: 700

18
material_studies/rally/test/widget_test.dart Normal file
View File

@@ -0,0 +1,18 @@
// This is a basic Flutter widget test.
//
// To perform an interaction with a widget in your test, use the WidgetTester
// utility that Flutter provides. For example, you can send tap and scroll
// gestures. You can also use WidgetTester to find child widgets in the widget
// tree, read text, and verify that the values of widget properties are correct.
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:rally/app.dart';
void main() {
testWidgets('Smoke test', (tester) async {
await tester.pumpWidget(RallyApp());
expect(find.byType(MaterialApp), findsOneWidget);
});
}

1
travis_script.sh
View File

@@ -22,6 +22,7 @@ declare -a PROJECT_NAMES=(
"platform_view_swift" \ "platform_view_swift" \
"provider_counter" \ "provider_counter" \
"provider_shopper" \ "provider_shopper" \
"material_studies/rally" \
"material_studies/shrine" \ "material_studies/shrine" \
"veggieseasons" \ "veggieseasons" \
) )