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    프로젝트 진행 단계
    3,944 dart 찾은 프로젝트

    I’m ready to kick-start a matrimonial app and want to base it on an existing Flutter CMS sold on CodeCanyon. I need someone who can provide that script with a valid lic...under a legitimate licence in my name • Complete, unmodified source code, assets, and documentation • A brief walkthrough showing me how to install the backend, open the project in Android Studio/Xcode, and run both the app and admin panel That’s all I require for this stage. If the hand-over goes smoothly, I may open a follow-up project for design tweaks or extra features, so prior Flutter/Dart experience will be appreciated though not strictly necessary for the current task. When you reply, please tell me the exact CodeCanyon item you can supply and how fast you can deliver it along ...

    $43 / hr Average bid
    $43 / hr (평균 입찰가)
    11 건의 입찰

    ...any kind of Kalman, moving-average, or map-matching logic—every raw coordinate is plotted as it arrives—so noise is obviously getting through. I need someone who can dive into the existing Dart code, diagnose the cause, and implement a practical fix. I am open to any proven technique—Kalman filter, running average, bearing-based smoothing, or even snapping points to the nearest road with the Google Roads or Mapbox Map-matching API—so long as the displayed path follows the real world track within a few metres and does not introduce noticeable lag. Please be comfortable working with: • Flutter 3.x, Dart, and Android SDK • geolocator / location / google_maps_flutter (currently in the project) • Stream-based location updates at ~1...

    $82 Average bid
    $82 (평균 입찰가)
    12 건의 입찰

    I have an app that runs on web, iOS and Android using flutter/dart and I want to put it through a professional round of QA before pushing the builds to the App Store and Google Play. The focus is full-spectrum: interface polish, performance under real-world conditions, and security safeguards. You’ll install the most recent TestFlight/APK builds and methodically probe every screen, workflow, network call, and permission. Where you spot slow rendering, memory spikes, glitches, or data-handling gaps, document them with clear reproduction steps, device logs, and screenshots or screen capture. At the end you will deliver: • A detailed bug report itemizing each issue with severity, device/OS, steps to reproduce, and evidence • A concise summary that highli...

    $1500 - $3000
    봉인형 NDA (비밀 유지 계약서)
    $1500 - $3000
    37 건의 입찰

    I’m looking for an experienced Flutter developer to turn a clear-cut utility idea into a polished cross-platform app. The concept is simple, focused on a single core task, so code quality, speed, and a small footprint matter more than flashy UI extras. Here’s what I need from you: • Build the app in Flutter (Dart 3.x) so it runs smoothly on both Android and iOS. • Keep the architecture clean and scalable; I prefer provider or bloc for state management, but I’m open to suggestions if you can justify them. • Deliver well-commented source code in a public or private Git repo along with a brief README explaining setup, build steps, and any third-party packages you introduce. At this stage I’ll provide detailed wireframes, assets, and an exa...

    $77 Average bid
    $77 (평균 입찰가)
    15 건의 입찰
    Launch My Earnify Pro Apps
    5 일 left
    인증 완료

    I have the full Earnify Pro Flutter source straight from CodeCanyon and I’m ready to get it live. Nothing in the app itself needs to change; the task is to take the existing code, configure every required backend service, and del...for the public-facing copy and graphics. This includes: • App Store and Play Store descriptions (short & long) • High-resolution screenshots that match the final build on both platforms Acceptance 1. Backend reachable and fully functional on my chosen host, with credentials handed over. 2. Live listing on Google Play. 3. Live listing on the Apple App Store. You’ll be working with Flutter, Dart, and whichever cloud stack you feel best fits the template. If you’ve launched CodeCanyon apps before, let me know—spe...

    $22 Average bid
    $22 (평균 입찰가)
    15 건의 입찰
    Fix K9P Beacon Connection
    3 일 left
    인증 완료

    ...I’m not entirely sure which exact Flutter SDK version the previous developer compiled against, and I’m open to bumping or pinning the SDK as long as the final build runs smoothly. I need you to trace the failure, adjust the BLE handshake or characteristic discovery as required, and hand back a working solution that consistently connects to the physical beacon. Deliverables • Updated Flutter/Dart source with clear commit notes • A build (APK or TestFlight-ready IPA) that pairs with my K9P beacon without timing out • A brief summary of what was changed so future maintenance is straightforward If you routinely debug Bluetooth Low Energy apps—especially around GATT services, MTU settings, or advertising intervals—this should be a quic...

    $40 Average bid
    $40 (평균 입찰가)
    11 건의 입찰

    Tech Stack: Flutter/Dart, Ionic Platforms: iOS 14.0+, Android 9.0+ (API 24+), PWA Languages: English, Spanish, German, Japanese TASK Perform a full reskin of the open-source project sound_generator to pass App Store and Google Play moderation. The app must differ from the original by at least 70% to avoid rejection under Guideline 4.3. FUNCTIONALITY Player: Play/Stop buttons, waveform visualization (redesigned), volume control, timer/auto-shutdown, favorites system (save preferred frequencies). SCREEN STRUCTURE Onboarding (5 screens): Welcome → Features → Paywall + request 3 permissions: Push Notifications, App Tracking Transparency, Request Review. Main screen (5 tabs): Home (presets), Player, Favorites, Timer. LOCALIZATION All UI text via JSON files (, , , ja

    $172 Average bid
    $172 (평균 입찰가)
    46 건의 입찰

    ...ménagers, recyclables, encombrants ou organiques * Planification de la date et de l’heure de collecte * Ajout de notes supplémentaires * Suivi en temps réel des demandes de collecte Pour les collecteurs : * Réception des demandes de collecte * Visualisation des points de collecte sur carte * Acceptation ou refus des demandes * Gestion du statut des collectes Stack technique * Frontend : Flutter (Dart) * Backend : PHP et Python * Base de données : MySQL * Authentification : OTP par SMS * Cartographie : Mapbox avec Flutter Map * Géolocalisation : Geolocator et Geocoding Interface Interface moderne avec un thème vert éco-responsable, des cartes interactives, des animations fluides et une expérience utilisateu...

    $654 Average bid
    $654 (평균 입찰가)
    69 건의 입찰

    I have a polished mobile UI ready and now need it brought to life for both iOS and Android. The core build will live in Flutter and Dart so that we share as much code as possible, yet some portions may call for platform-specific polish—think buttery-smooth animations or native widgets that demand Kotlin on Android or Swift on iOS. All screens, assets, colours and type specs are already finalised; I simply need them translated into production-ready code that matches the design, scales to different devices and hooks cleanly into my existing REST endpoints (the JSON contracts are done). Deliverables • A Flutter project containing every screen in the design, responsive and pixel-perfect • Any companion Kotlin/Swift modules required for platform-specific features,...

    $517 Average bid
    $517 (평균 입찰가)
    205 건의 입찰

    ...initial load times, reduce jank during navigation, and make sure memory usage stays low on both Android and iOS builds. Deliverables will be the updated Flutter source, build-ready Android and iOS packages, and a brief hand-off doc describing any new environment variables or setup steps. I will test the release builds against my staging server before final approval. If you know your way around Dart, REST/GraphQL calls, push notifications, and the standard payment and social plugins, this should be right up your alley. Let’s get started!...

    $34 Average bid
    $34 (평균 입찰가)
    22 건의 입찰

    I need an expert Flutter/iOS developer to do complete iOS setup on macOS and publish our existing Flutter app to the Apple App Store. We already have a Flutter app that is live on Google Play Store (project currently on Windows). You must use the same Flutter project on macOS and: Tasks Install & configure Flutter on macOS (Android Studio + Flutter/Dart plugins) Install/configure Xcode, Command Line tools, CocoaPods Open our existing Flutter project and fix iOS build issues (pods/plugins/permissions) Run the app on: iOS Simulator Real iPhone device Setup iOS signing: Bundle ID, certificates, provisioning profiles Create TestFlight build Submit and publish on Apple App Store (all required steps) Deliverables App runs successfully on iPhone TestFlight build uploaded...

    $89 Average bid
    $89 (평균 입찰가)
    26 건의 입찰

    보다 자세한 내용을 확인하시려면, 회원 가입 또는 로그인 절차가 필요합니다.

    NDA (비밀 유지 계약서)

    ...and database change we discussed in chat. After reviewing it together, the next step is to build the add-on that extends my current Flutter mobile app and the accompanying Laravel admin panel. Here’s what I need completed: • Implement the new Flutter screens, widgets, and business logic exactly as outlined in the PDF, keeping full compatibility with the existing app architecture (Flutter 3.x, Dart). • Expand the Laravel 10 backend—routes, controllers, models, and migrations—for the extra data points and transactions detailed in the document. • Update the admin panel so the new records can be created, edited, filtered, and reported without breaking any current functionality. • Maintain the coding conventions already in place, include c...

    $168 Average bid
    $168 (평균 입찰가)
    140 건의 입찰

    I have the core concept for a new application and have decided to build it entirely in FlutterFlow. I’m looking for someone who already knows their way around this no-code/low-code builder—someone who can move quickly from screen layouts to fully func...logic. I’ll provide wireframes, brand assets, and a shortlist of third-party APIs as soon as we kick off. You’ll handle setting up the project, wiring the UI to data, configuring Firebase, testing on both platforms, and handing me a working build I can submit to the App Store and Google Play. If you’re comfortable with FlutterFlow’s visual builder, Firebase integration, and the occasional Dart tweak when the visual tools hit their limits, let’s talk. I’m ready to get started as so...

    $10 / hr Average bid
    $10 / hr (평균 입찰가)
    28 건의 입찰
    Flutter App Code & Security Audit
    18 시간 left
    인증 완료

    ...our own internal standards while building the project; however, those rules live mostly in our heads rather than in formal documentation. That means I need someone who can dive straight into the source, interpret our style from context, and benchmark it against recognised best practices. The audit has three clear pillars: code quality, performance, and security. I expect a thorough review of the Dart/Flutter codebase, dependency tree, build configuration, and native platform integrations. On the performance side, I’m looking for concrete findings backed by profiling data—startup time, rendering speed, memory usage, and any platform-specific bottlenecks. Security concerns should include common mobile attack vectors, data storage & transmission, and third-party pac...

    $167 Average bid
    $167 (평균 입찰가)
    81 건의 입찰

    I have a couple issues I need fixed in my flutter app. Once hired I will share my list of updates and fixes one-by-one.

    $30 Average bid
    $30 (평균 입찰가)
    35 건의 입찰

    ...Bugs **Project Overview** We are looking for an experienced Full-Stack Developer to resolve critical issues within our Food Delivery platform. The system consists of a **Flutter Customer App** and a **Laravel Admin Panel**. Currently, the order placement flow is broken, and several backend automation and customization features are non-functional. ### **Technical Stack** * **Frontend:** Flutter (Dart) * **Backend/API:** Laravel (PHP) * **Database:** MySQL * **Server:** [Insert your server type, e.g., Ubuntu/AWS/Shared Hosting] --- ### **Scope of Work** #### **1. Flutter Customer App: Order Placement Fix** * **Issue:** Users receive an "Internal Server Error" (500) at the final stage of placing an order. * **Tasks:** * Debug the API call during the checkout proces...

    $45 Average bid
    $45 (평균 입찰가)
    30 건의 입찰

    This project delivers a mid-fidelity frontend prototype for a digital-health research app built with Flutter and Dart. The goal is strictly UI/UX validation; there is no backend integration or persistent data storage in this phase. The build must run smoothly on both Android and iOS. I will supply the design guidelines that drive color, typography, spacing, and component behaviour, and expect you to translate them into accessible, responsive Flutter widgets. Key screens include the onboarding series, an email-and-password sign-in flow (UI only), multi-step questionnaire and survey views, plus reminder and notification concepts. Smooth navigation, basic state handling, and adherence to accessibility best practices are all part of the brief. Deliverables • A runnable F...

    $28 / hr Average bid
    $28 / hr (평균 입찰가)
    196 건의 입찰

    ...Branding**: Finalize the rebranding of the client (Logo, Icons, and App Name) to reflect "Linkedin" branding. * **Feature Verification**: Ensure built-in features like session recording and file transfer are fully functional in the custom build. **Technical Requirements**: * **Proficiency in Rust**: Deep understanding of the Rust programming language and Cargo build system. * **Expertise in Flutter & Dart**: Experience with `flutter_rust_bridge` and `dart:ffi` for native integration. * **Windows Development**: Prior experience building and packaging `.exe` and `.dll` applications for Windows. * **Debugging Skills**: Ability to interpret Windows Event Viewer logs and Flutter verbose output to solve "silent crash" issues. **Current Technical Blockers**: ...

    $67 Average bid
    $67 (평균 입찰가)
    8 건의 입찰

    I’m looking for an experienced Flutter developer who enjoys teaching and can run a short series of live, online sessions for an intermediate-level audience. The group already builds basic apps, so the focus is on pushing them further with...concise notes – so participants can revisit each topic. Language Malayalam We’ll keep the format flexible, but I expect a handful of 60- to 90-minute sessions spread over one to two weeks. I’ll host everything on Zoom or Google Meet and record the meetings for internal use. If you’re passionate about Flutter, comfortable presenting to developers who already know their way around widgets and Dart basics, and can show prior training or mentoring experience, I’d love to hear how you’d structure the...

    $3 / hr Average bid
    $3 / hr (평균 입찰가)
    9 건의 입찰

    ...and immediately see more-picture upload limits, featured ad toggle, and preferred placement take effect. 2. Cancelling or expiring the subscription reverts the account to free limits within 24 hours. 3. No regression bugs appear in the current free workflow. The project is self-contained: I provide the full repo, existing backend endpoints, and the premium icons/assets. Bring your Flutter, Dart, and native store billing know-how, and let’s make this upgrade seamless for my users....

    $54 Average bid
    $54 (평균 입찰가)
    68 건의 입찰

    ...confirms the charge the application closes. The second: our Bluetooth receipt printer is no longer responding. Pairing succeeds at the OS level, yet nothing prints from the app and no error is thrown in the console. What I need is a clean, reproducible fix for both problems along with a brief explanation of what caused them so we can avoid regressions later. Deliverables • Updated Flutter/Dart code (or a pull request) that eliminates the post-transaction crash. • Working Bluetooth print workflow, tested from the same build of the app. • A concise changelog or README note outlining the modifications and any package or SDK updates required. I can supply the current source, error logs, and steps to reproduce each problem as soon as we start. If you have ...

    $75 Average bid
    $75 (평균 입찰가)
    51 건의 입찰

    ...App Colors & Branding (as per guide) Updating Firebase / API keys (if required) Fixing any build or dependency issues Building and providing a release APK Ensuring the app runs without errors # Deliverables Fully customized Flutter source code Release APK file Confirmation that the app builds and runs successfully Clean project with no build errors # Requirements Strong experience with Flutter & Dart Prior experience with Codecanyon Flutter apps Knowledge of Android build & APK generation Ability to follow provided documentation carefully # Timeline Expected completion: 1–2 days (can be discussed) # Budget Fixed budget / Open for reasonable bids (Please mention your price and estimated delivery time) # Additional Notes I will provide: Full Flutter source code Cu...

    $74 Average bid
    $74 (평균 입찰가)
    17 건의 입찰

    I have a couple issues I need fixed in my flutter app. Screen recording of issue: 1) Registration doesn't properly complete on last step after profile photo is completed it says (Unexpected end of form) - Although account still gets created in firebase, 2) My bottom android menu is getting in the way of elements on the app during certain registration steps. *Your interest* *tell us more* *Years Celibate* If you can fix these successfully I have more ongoing fixes I'll need afterwards. NO VIBE CODING ALLOWED. After completion I need to push updated code to the repository and generate a new .AAB file.

    $37 Average bid
    $37 (평균 입찰가)
    70 건의 입찰

    I’m an experienced C/C++ developer with a master’s in computer science who’s now shifting to Flutter. My goal is to become fully productive on both Android and iOS, with a special emphasis on getting UI and UX right. I learn fastest through hands-on work, so I’d like you to guide me while we build a small but complete... and navigation patterns. • The VIN & license scanner is developed step-by-step, covering camera access, image pre-processing, text recognition, and result validation, with clear commentary in code and short written notes. • By the end I can build, run, and extend the project myself, confident in packaging, signing, and publishing to the stores. If you can teach while you code, write clean Dart, and keep the sessions focused...

    $525 Average bid
    $525 (평균 입찰가)
    134 건의 입찰

    I’m ready to turn a fresh concept into a production-ready mobile app and have chosen Flutter so the same codebase can ship to both iOS and Android. The work starts at square one: project structure, UI implementation, state management, and any backend integrations we define along the way. Clean, well-documented Dart, responsive layouts, and platform-specific polish are essential. First milestone: set up the Flutter 3.x project skeleton, configure CI/CD so a build lands in TestFlight and internal Android testing, and deliver a simple proof-of-concept screen that runs error-free on real devices. From there we’ll iterate feature by feature; every merge request should arrive with unit tests and clear inline documentation. To keep the codebase healthy I expect: • Consis...

    $281 Average bid
    $281 (평균 입찰가)
    52 건의 입찰

    ...Temp Mail Android app built with Flutter/Dart and I now need Google AdMob ads woven in properly. Here’s the exact scope: • Banner Ads – load, display, and dispose only on the Home Screen. • Native Advanced Ads – likewise, only on the Home Screen, styled so they blend with my current UI yet remain fully compliant with AdMob and Play Store policies. Technical needs • Clean ad lifecycle handling: initialize, cache, show, fail-retry (single retry per failure), and dispose without memory leaks, ANRs, or unexpected reloads. • Mediation and eCPM optimization settings configured so fill-rate stays high while UX stays smooth. • Any “ads not loading” issues resolved; crashes related to the AdMob SDK must be eliminated. &bul...

    $25 Average bid
    $25 (평균 입찰가)
    16 건의 입찰

    Required Skills - Strong hands-on coding experience (professional or research-based) in one or more of the following: Python JavaScript / Node.js TypeScript - Experience with additional languages is a plus, including: Go, Java, C++, C#, Rust, SQL, R, Dart, or similar - Solid experience with Linux environments, Bash scripting, and automation - Strong knowledge of Docker, reproducible environments, and development containers - Advanced Git skills, including: Branching strategies Diffs and patches Conflict resolution

    $20 / hr Average bid
    $20 / hr (평균 입찰가)
    153 건의 입찰

    My Flutterflow project has drifted from the original designs and, on top of that, parts of the navigation stack no longer behave as intended. I need a capable Flutter / Flutterflow developer to jump in, tidy things up, and return a clean, working build. Here is what’s currently wrong: • Layout problems: several screens have elements that...so every transition feels native on both iOS and Android. • Hand back a project that builds without errors and a short changelog that highlights what you touched. Once I can run the app in TestFlight and see the layouts intact, no stray styling glitches, and all navigation paths behaving, we’re done. If you’re comfortable working inside Flutterflow’s visual builder and tweaking the generated Dart code when nee...

    $21 Average bid
    $21 (평균 입찰가)
    16 건의 입찰

    ...Firebase: Authentication Firestore database Cloud Functions (if needed) Push notifications (Firebase) Clean database structure Secure role-based access (User / Vendor / Admin) ** Timeline MVP delivery: 9–14 weeks Weekly progress updates required ** Budget $1,000 – $1,800 USD (Final amount depends on experience & delivery plan) Payment in milestones. ** Requirements Proven experience with Dart Experience with Firebase Ability to design clean UI (or work from Figma) Experience building booking / reservation systems Good communication Ability to deploy app live ** Nice to Have Previous restaurant / booking apps Flutter Web experience Admin dashboard experience Documentation skills ** Deliverables Full Flutter project Firebase project acces...

    $1488 Average bid
    $1488 (평균 입찰가)
    210 건의 입찰

    ...offline. The UI can stay simple for now—clean screens for the map, trip details, and a settings page—but the code architecture should be solid and easy to extend later. All Firebase services (Auth, Firestore, Cloud Functions if needed) need to be wired up, and I’ll rely on your guidance for the best practices in handling location permissions across platforms. Deliverables: • Complete Flutter (Dart) source code • Background location service with battery-saving best practices • Firebase integration (Auth, real-time data storage, secure rules) • Offline data layer that syncs automatically once a connection is restored • Platform-specific setup instructions and a short README so I can run the project locally and submit it to both stores I...

    $172 Average bid
    $172 (평균 입찰가)
    33 건의 입찰

    ...order, change its status in real-time, and push that update back to our existing distribution system. All activity will happen inside the four walls of the warehouse, so the interface can stay utilitarian: a compact order list, a detail screen for status changes, and a quick search field to locate orders by number or customer name. Core scope • Build a clean Android (native Kotlin or Flutter/Dart are both fine) app that installs from a single APK—no store release needed. • Authenticate users against our in-house API, fetch today’s assigned orders, and display their current status. • Allow the picker to tap and move an order through preset states such as “Picked”, “Packed”, and “Ready for Dispatch”, then send th...

    $112 Average bid
    $112 (평균 입찰가)
    34 건의 입찰

    I need to hire someone to finish my dating mobile app built in flutter (dart), node.js and firebase. It was started started but wasn't fully completed.

    $14 / hr Average bid
    $14 / hr (평균 입찰가)
    145 건의 입찰

    ...with our back-end services. The endpoints are ready and return JSON; what I don’t have yet is the clean, production-ready Dart code that calls them, parses the responses, and pushes updates through the current provider/bloc structure of the app. The scope is focused on data synchronization—no payment or social media hooks—just reliable, efficient transfer of product details (IDs, images, prices, stock counts, etc.) in both directions. You’ll ensure proper error handling, token-based auth where required, and graceful handling of offline scenarios so the cache updates once connectivity is restored. Deliverables • Integration of all four APIs with clear, well-commented Dart services • Seamless linkage to the existing state-management ...

    $123 Average bid
    $123 (평균 입찰가)
    18 건의 입찰

    ...invoice generation & reports * Coupon & pricing rules * CMS for banners, pages & policies --- ### E. Payments * Razorpay / Cashfree / Stripe (India-ready) * Support for: * UPI * Credit/Debit cards * Net banking * Wallets **Security:** * PCI-DSS compliant gateways * Webhook-based payment confirmation --- ### F. Shipping & Logistics * Integration with Shiprocket / Delhivery / Blue Dart * Real-time shipping rates * Order tracking APIs * Automated shipping labels --- ### G. Exchange-Only System (Critical Requirement) * No refund logic anywhere in the system * Exchange request module with: * Reason selection * Size/variant change * Admin approval workflow * Exchange policy enforced at checkout --- ## 4. GST & Legal Compliance * GST-com...

    $365 Average bid
    $365 (평균 입찰가)
    32 건의 입찰

    ...audio ↔ haptic synchronization on Android. - Implement and tune iOS Core Haptics + Audio functionality. - Handle latency offsets correctly (positive & negative). - Finalize the Sync Test UI and ensure settings persistence. - Populate and validate the device test matrix. - Run basic real-device tests (Android + iOS). Ideal Skills and Experience: - Strong expertise in Flutter (Dart) development. - Native Android (Kotlin) experience with low-latency audio using SoundPool. - Familiarity with Core Haptics on iOS or willingness to learn. - Understanding of audio timing, latency, and scheduling. Deliverables: - Working Android & iOS builds with stable audio-haptics synchronization. - Persisted latency calibration settings. - Cle...

    $953 Average bid
    $953 (평균 입찰가)
    118 건의 입찰

    ...Please share your portfolio / already build apps in your bids. Key features I need implemented: • User authentication (email, social, or another secure method you suggest) • Push notifications for timely updates and reminders • In-app purchases handled through Google Play and the App Store I’ll supply UI wireframes and any required accounts or API keys; you provide clean, well-documented Dart code, clear build instructions, and a short hand-off call or video explaining deployment. If you have shipped AI-powered Flutter apps before, let me see an example—otherwise outline how you’d approach the model selection, training (if needed), and on-device vs. cloud inference trade-offs. I’m looking to move quickly, so please include an e...

    $1127 Average bid
    $1127 (평균 입찰가)
    93 건의 입찰

    ...APIs). Push notifications integration (Firebase/FCM) for News/Events/Birthday reminders (if required). Form validations (Life member registration, enquiry). Basic testing and bug fixing; provide final APK/IPA builds and source code. Backend Scope (What we will do): Node.js APIs, database, admin panel (if needed), server deployment, and API documentation. Required Skills: Strong Flutter + Dart experience REST API integration, JSON, error handling State management (Provider / Riverpod / Bloc – mention your preference) Firebase Cloud Messaging (FCM) for push notifications (if included) Experience publishing to Play Store / App Store is a plus Deliverables: Complete Flutter source code (well-structured) Android APK/AAB + iOS build (via TestFlight or IPA as per our...

    $273 Average bid
    $273 (평균 입찰가)
    63 건의 입찰

    A lightweight Flutter application will calculate the final price of a custom bag order the moment I type in size, quantity, material, and any extra cost factors. The interface should stay clean and minimalist so a first-time user can grasp it instantly. Core expectations • Dart code must be clear, well-structured, and fully commented so I can extend formulas later. • The initial build targets Android; if one codebase can be compiled for iOS too, that’s a welcome bonus but not essential. • All calculations need to be precise—no rounding surprises—so unit tests (or at least a reproducible formula sheet) are useful. Deliverables 1. Fully functional Flutter project folder 2. Release-ready Android build (.apk or .aab) 3. Any scripts or doc...

    $83 Average bid
    $83 (평균 입찰가)
    61 건의 입찰

    ...focused on Android that blends straightforward task management with event scheduling. The workflow is simple: users create, edit, or delete a task, attach a date and time if it is an event, receive a reminder via push notification, and track progress through clear status updates. A switchable calendar and list view lets them visualise everything at a glance. The project relies on clean, maintainable Dart code, sound state-management, and a polished Material-style interface. I’m happy to use Firebase (Firestore, Cloud Functions, FCM) or an equivalent backend you recommend, provided notifications, real-time updates, and basic analytics are covered. Deliverables • Well-structured Flutter source code, commented and organised by feature • Production-ready Android...

    $75 Average bid
    $75 (평균 입찰가)
    66 건의 입찰

    ...developer to build a Peer-to-Peer (P2P) audio/video calling application using pure open-source technologies. Primary Goal To implement real-time calling without any paid SDKs or recurring media server costs. This project must use pure WebRTC and a lightweight signaling server hosted on free tiers. Core Technical Requirements FlutterFlow & Dart Strong experience with FlutterFlow Ability to write advanced Custom Actions and Custom Widgets Excellent Dart programming skills (mandatory) WebRTC (Pure Implementation) Hands-on experience implementing pure WebRTC Audio & video calling without third-party SDKs Strong understanding of: PeerConnection SDP ICE candidates Media streams Signaling Server Experience with PeerJS or Ability to deploy signaling ser...

    $2364 Average bid
    $2364 (평균 입찰가)
    41 건의 입찰

    I have a live solution that runs a Python back end with a Flutter front end, and I’d like to bring on a beginner-level trainee who can grow alongside the project. You’ll shadow my workflow, pick up assigned development tasks as they come in, and stay available for ongoing monthly support so the app keeps running smoothly. The day-to-day work will revolve around writing and refactoring Dart, Python, and the usual companion files, committing through Git, and testing on both Android and iOS simulators. Whenever unexpected issues appear in production, I’ll count on you to investigate, patch, and push fixes under my guidance. As your confidence builds, I’ll gradually hand over small feature additions and performance tweaks so you gain hands-on experience across t...

    $73 Average bid
    $73 (평균 입찰가)
    14 건의 입찰

    # **Stack:** Flutter/Dart **Platforms:** iOS 14.0+, Android 9.0+ (API 24+) **Languages:** English, Spanish, German --- ## TASK Complete reskin of sound_generator project to pass App Store and Google Play moderation. App must be sufficiently different from original to avoid Guideline 4.3 rejection. --- ## FUNCTIONALITY ### PLAYER - Play/Stop buttons - Waveform visualization (change design from original) - Volume control - Timer/Scheduler (auto-off) - Favorites system (save favorite frequencies) --- ## SCREEN STRUCTURE ### Onboarding (5 screens) 1. Welcome screen 2. Features showcase 3. Paywall screen **Request 3 permissions in onboarding:** - Push notifications - App tracking (for analytics) - Request review (review prompt) ### Main window (5 screens/tabs) 1. Home...

    $147 Average bid
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    64 건의 입찰

    I’m building a single code-base mobile app with Flutter and Dart that must run smoothly on both Android and iOS. Core screens include onboarding, login, sign-up, and a protected area once users are authenticated. Firebase will handle the back-end side of things, so expect real-time database or Firestore, authentication, and possibly analytics to come into play. I already have several REST endpoints documented in Swagger; please wire those up for data fetch and submission. If you see gaps or optimisation opportunities, I’m happy to adjust the API layer together. The finished deliverable should be a clean, well-structured Flutter project that compiles for Android and iOS, includes all authentication flows, integrates each required Firebase service, and hits my REST endpo...

    $328 Average bid
    $328 (평균 입찰가)
    65 건의 입찰

    ...position • List & edit screen for previously saved addresses (mock in-memory store is fine) The scope is 100 % front-end; I’ll wire it to my backend later, so feel free to stub network calls or use simple local models. Please rely on the official google_maps_webservice / google_place package or any lightweight wrapper you prefer for the Google Places API integration. All UI must be written in Dart/Flutter with no platform-specific code other than the usual location permission handling. Acceptance criteria: 1. Reusable widget(s) that I can drop into any existing Material app. 2. Clean state management (Provider or Riverpod is fine, keep it minimal). 3. Clear setup notes: required permissions, API keys, and where to swap the mock services with real endpoint...

    $114 Average bid
    $114 (평균 입찰가)
    42 건의 입찰

    I am looking for a freelance developer for a straightforward integration...and "Driver" modes without logging out. Language & Localization: Set the entire app to Portuguese (Brazil) - pt-BR. Maps: Configure the Google Maps API to be centered in Brazil by default. (I already have the API Keys ready). Business Logic: No changes needed to the backend or core logic; just UI/UX integration and code organization. Technical Requirements: Strong experience with Flutter & Dart. Familiarity with Google Maps SDK. Clean code and folder structure to ensure a stable, unified project. Budget & Reward: Fixed Price: $22.00 USD. Bonus: I will provide a 5-Star Rating and a great positive review on your profile for a job well done. Future Work: Potential for long-term ...

    $42 Average bid
    $42 (평균 입찰가)
    29 건의 입찰

    My Flutter-based news app is already live on the Play Store, yet users can no longer see fresh articles because every request to the backend fails with an “invalid_token” response. The problem is clearly on the authent...stable; Postman calls with a valid token work fine, so this is a client-side issue. Deliverables • Clean, commented Flutter code with the OAuth logic corrected • A concise changelog highlighting which files/methods were touched • Steps I should take to publish the patched build to the Play Store (I already have the store listing in place) Please be comfortable using common Flutter tools (Dart, Android Studio, VS Code) and Git for version control so I can review your changes easily. Once the fix is confirmed in an internal build, I ...

    $74 Average bid
    $74 (평균 입찰가)
    40 건의 입찰

    Flutter Developer Needed – Build one Mobile App (From existing mockup screens and APIs) Looking for an experienced Flutter developer to build an Android mobile app. Backend APIs and Google Stitch designs will be provided. The developer only needs to integrate APIs with exis...APIs with existing mockups smoothly. Budget ₹18,000 (Fixed Price) Features (Approx.) Patient Registration – 2 screens Aadhaar QR Scanning - 1 Screen Billing – 1 screen Patient Search – 1 screen Patient Profile – 1 screen Book Appointment – 1 screen Pre-Screening – 1 screen Prescription – 2 screens View / Print / Share Prescription – 1 screen (~11 screen Approx) Requirements Strong Flutter (Dart) experience REST API integration (JSON) We Provide A...

    $282 Average bid
    $282 (평균 입찰가)
    74 건의 입찰

    ...real-time order-status tracking so customers can follow every shipment milestone. Payment is a key part of the brief. You will wire up PayPal, Stripe, and standard credit-card processing through the APIs we provide (or the official SDKs if you prefer). Beyond payments, the build involves REST-based integration with our existing product, inventory, and order-management endpoints. Clear, well-structured Dart code and state management that scales (Provider, Riverpod, or Bloc—your choice) are important to me because the app will evolve after launch. At delivery I expect: • A fully functional Flutter app running on both Android and iOS simulators/emulators • Source code in a private Git repo with meaningful commit history • Integration tests that cover cat...

    $132 Average bid
    $132 (평균 입찰가)
    24 건의 입찰

    ...focus on building pixel-perfect UI in Flutter, integrating the REST/GraphQL endpoints I provide, configuring push notifications, and making sure the app is responsive across devices. I’ll supply design files and API documentation, and I’m happy to iterate together as we fine-tune animations, state management, and performance. Deliverables • Full Flutter source code (well-commented and following Dart best practices) • Release-ready .apk and .ipa builds • Brief hand-over note detailing environment setup, packages used, and any store submission settings I’m ready to start as soon as I find the right fit and will be available for quick feedback throughout the sprint. If you have recent cross-platform apps in your portfolio, especially those alre...

    $380 Average bid
    $380 (평균 입찰가)
    26 건의 입찰

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