A Completed Functional Flutter App – FindSeat (BLoC + Json API + Unit Test + Firebase Auth)
II. Showcase
2.1. Home
In Home screen, it just simply load then show data to UI. What you can try
2.1.1. Screen: Home 1
- (0) is about me ?
- (1) is carousel slider for displaying banners, it’s automatically animate each 1 second. You can swipe left or right to see next/previous item
- (2) is list seat categories. If you click on a category, app will open All shows screen. It’s horizontal list so you can swipe to reach more item
- (3) is recommended seats. Click on item app will open Show details screen
2.1.2. Screen: Home 2
- (4) is nearby theatres. There’s nothing special to try here, it’s just simple map with highlighted cine’s locations
- (5) (6) is list shows by each category. Same with recommended seats, you can click on item to open Show details screen
2.2. All Shows
2.2.1. Screen: All Shows 1
- (1) click to open search field. Basically support search by name
- (2) click to open sort option. Basically support sort by rating and name
- (3) there’re 3 tabs: Now showing, Coming soon and Exclusive. You can swipe left/right to view content of each tab
- (4) Display list show in gridview
2.2.2. Screen: All Shows 2
- Sort options dialog
2.2.3. Screen: All Shows 3
- App will perform search after stop typing for 400 milliseconds, technically it’s debounce technique.
Try to click on item, app will open Show details screen
2.3. Show info
2.3.1. Screen: Show Info 1
- (1) is trailer of show from Youtube link
- (2) show’s description
- (3) is offer section. This is not static content, it can be changed in mock API
2.3.2. Screen: Show Info 2
- (4) is user’s review section. Basically write review function is not available yet
- (5) is casts section. It’s horizontal listview, you can swipe to reach more content.
- (6) Click Book seats then app will open Book Time Slot screen
2.4. Book Time Slot
2.4.1. Screen: Book Time Slot 1
- (1) Click to open search field. Basically support search by Cine’s name
- (2) List cine with time slots. Gray item is time slot that is not available.
2.4.2. Screen: Book Time Slot 2
- App will perform search after stop typing for 400 milliseconds, technically it’s debounce technique.
Click on item time slot, app will open Book Seat Type screen.
2.5. Book Seat Type
- (1) choose number of seats
- (2) choose seat type
2.6. Book Seat Slot
- (1) is count of number booked seats
- (2) Booked seats. You can click to select then click again to deselect seat.
- Validate: For example in screen Book Seat Type you chosen 3 seats, type is Jack that mean
- You cannot select Queen or King seat
- You cannot book more than 3 seats
2.7. Make payment
2.7.1. Screen: Make payment 1
- App integrated with Stripe SDK, currently for testing when you click on any method Debit/UDI/Net banking, app only show option pay by input card to the form.
2.7.2. Screen: Make payment 2
- For testing, please use following information:
- Card number: 4242 4242 4242 4242
- Expiration date: 04/24
- CVC: 424 or 242
2.7.3. Screen: Make payment 3
- After Stripe verified the payment information, app will show your booking information.
2.8. Login
- Basically app provide login by user’s email and password. Login by Google and Facebook will be available soon.
- Test account: [email protected] / 123456
2.9. Register
- I did validation in this form using Bloc pattern, you can look at this to study how to do form validation in Bloc.
III. Mock API
https://integer.sgp1.digitaloceanspaces.com/findseat
| API | Usage |
|---|---|
| /home.json | Return data for Home screen |
| /all_shows_by_type.json | Return data for All Shows screen |
| /booking_time_slot_by_cine.json | Return data for Book Time Slot screen |
| /book_seat_slot_by_time_slot.json | Return data for Book Seat Slot screen |
IV. Plugins
| Plugin | Usage |
|---|---|
| retrofit | For working with restful API, generated model |
| json_annotation | Same as above (SAA) |
| dio | SAA |
| build_runner | SAA |
| flutter_bloc | For build app architecture |
| carousel_slider | Use for section banner in Home screen |
| freezed | Working with State of bloc |
| equatable | SAA |
| meta | SAA |
| intl | Format date time and other formats |
| youtube_player_flutter | Display trailer from Youtube link |
| shared_preferences | For caching user’s session |
| flutter_svg | Display svg icon |
| google_maps_flutter | Display address of cine |
| dotted_border | Display dot border of offer ticket in Show details screen |
| shimmer | Animate image place holder |
| stripe_payment | Use in booking feature |
| firebase_core | For register account and login using Firebase |
| google_sign_in | SAA |
| firebase_auth | SAA |
| test | Try to use unit testing, most of the cases come from Bloc |
| bloc_test | SAA |
V. Design credit
Author: Dinu Dinesh
Design link: Movie & events ticket booking app
Development Environment
flutter doctor -v
[√] Flutter (Channel stable, 2.8.1, on Microsoft Windows [Version 10.0.19043.1586], locale en-US)
• Flutter version 2.8.1 at C:\src\flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision 77d935af4d (3 months ago), 2021-12-16 08:37:33 -0800
• Engine revision 890a5fca2e
• Dart version 2.15.1
[!] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
• Android SDK at C:\Users\ASUS\AppData\Local\Android\sdk
X cmdline-tools component is missing
Run `path/to/sdkmanager --install "cmdline-tools;latest"`
See https://developer.android.com/studio/command-line for more details.
X Android license status unknown.
Run `flutter doctor --android-licenses` to accept the SDK licenses.
See https://flutter.dev/docs/get-started/install/windows#android-setup for more details.
[√] Chrome - develop for the web
• Chrome at C:\Program Files (x86)\Google\Chrome\Application\chrome.exe
[√] Android Studio (version 3.1)
• Android Studio at C:\Program Files\Android\Android Studio
• Flutter plugin version 29.0.1
• Dart plugin version 173.4700
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1024-b02)
[√] Android Studio (version 3.5)
• Android Studio at C:\Program Files\Android\android-studio
• Flutter plugin version 42.1.1
• Dart plugin version 191.8593
• Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b03)
[√] Android Studio (version 3.6)
• Android Studio at C:\Program Files\Android\AS33
• Flutter plugin version 49.0.1
• Dart plugin version 192.8052
• Java version OpenJDK Runtime Environment (build 1.8.0_212-release-1586-b04)
[√] IntelliJ IDEA Community Edition (version 2020.3)
• IntelliJ at C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2020.3.1
• Flutter plugin can be installed from:
https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
https://plugins.jetbrains.com/plugin/6351-dart
[√] IntelliJ IDEA Ultimate Edition (version 2021.1)
• IntelliJ at C:\Program Files\JetBrains\IntelliJ IDEA 2021.1
• Flutter plugin can be installed from:
https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
https://plugins.jetbrains.com/plugin/6351-dart
[√] VS Code (version 1.65.0)
• VS Code at C:\Users\ASUS\AppData\Local\Programs\Microsoft VS Code
• Flutter extension can be installed from:
https://marketplace.visualstudio.com/items?itemName=Dart-Code.flutter
[√] Connected device (3 available)
• sdk gphone x86 (mobile) • emulator-5554 • android-x86 • Android 11 (API 30) (emulator)
• Chrome (web) • chrome • web-javascript • Google Chrome 99.0.4844.74
• Edge (web) • edge • web-javascript • Microsoft Edge 98.0.1108.62
! Doctor found issues in 1 category.
Before run project, execute commands:
flutter cleanflutter pub getflutter pub run build_runner buildorflutter pub run build_runner build --delete-conflicting-outputsflutter run(if needed)
Support
- If you wanna get updates in next version, please give me a ⭐ to the repo ?
- If you love my work and want to support, buy me a coffee here. Thank you so much ?
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