01 · Flutter / Dart
Install Dart and run your first program
Create a text file containing Dart code and run it on your computer.
← ProjectsData flow
Flutter / Dart · Application
Fahrzeugakte
Keep maintenance and receipts locally.
On Google PlayArchitecture and data flow
- UI
- Riverpod
- services
- repositories
- Drift/SQLite and private file storage
Money is stored as integer cents. Files are managed through separate repository boundaries.
Code and evidence
Pinned source links show the implementation and existing test files. Startup commands and documented verification boundaries are in the README at the same version. This website audit is not a fresh CI run of every project.
- vehicle-log · app_providers.dart
- vehicle-log · app_database.dart
- vehicle-log · app.dart
- vehicle-log · app_theme_test.dart
- vehicle-log · content_contrast_test.dart
- README · 78abe024
Licence: Repository · Source checked on 12.10.2026
Learn through tutorials
02 · Flutter / Dart
Variables, data types and missing values
Store values under names and distinguish text, numbers and booleans.
03 · Flutter / Dart
Operators and decisions with if
Compare values and execute instructions only when a condition matches.
04 · Flutter / Dart
Loops: repeat work
Process several values and stop repetition in a controlled way.
05 · Flutter / Dart
Functions, parameters and return values
Encapsulate a calculation in a reusable function.
06 · Flutter / Dart
Lists, sets and maps
Choose a suitable collection for ordered items, unique values or lookups.
07 · Flutter / Dart
Classes and constructors
Group related values into your own data type.
08 · Flutter / Dart
Null safety, errors and Future
Handle missing values and wait for an asynchronous result.
09 · Flutter / Dart
Your first Flutter interface
Build a screen from widgets and update it with a button.
10 · Flutter / Dart
Validate forms and navigate between screens
Validate input, dispose controllers and pass a confirmed value to a second screen.
11 · Flutter / Dart
Riverpod: observe and change state
Connect an interface to an explicit state owner.
12 · Flutter / Dart
Clean MVVM, services and repositories
Separate presentation, domain rules and persistence through replaceable contracts.
13 · Flutter / Dart
Understand SQL and place Drift/SQLite in context
Create tables, link records and understand transactions and migrations.
14 · Flutter / Dart
Coordinate photos, files and PDF output
Create a PDF and distinguish file storage, database references and deliberate export.
15 · Flutter / Dart
Unit and widget tests with meaningful expectations
Verify domain rules and visible behaviour rather than only code existence.
16 · Flutter / Dart
A small vehicle log from UI to database
Connect a form, domain service and real local persistence into a verified workflow.
17 · Flutter / Dart
Restore encrypted backups safely
Derive a key, verify authenticity and validate all data before import.
18 · Flutter / Dart
Scanning and OCR: suggestion, confirmation and persistence
Build a testable capture workflow and separate recognised text from confirmed data.