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I need a lightweight proof-of-concept Android app that processes numerical data entirely on the device and stores both the raw and processed values locally. The goal is to demonstrate clean, well-documented code rather than to build a production-ready product, so a simple UI and dummy data sources are fine. Core workflow • Accept a small numerical dataset (manual entry, test CSV, or any other local source you prefer). • Perform a basic processing routine on that data—feel free to implement a placeholder calculation that clearly shows the pipeline. • Persist the original and processed data to local storage (SQLite/Room, a flat JSON file, or SharedPreferences—pick whatever you find quickest). • Display both sets of numbers in a minimalist screen so I can verify the results. Deliverables • Full Android Studio project in Kotlin or Java, targeting API 29+ • APK for easy sideload testing • Brief README explaining build steps, chosen storage method, and where the data files live Acceptance criteria 1. App installs and opens without crashing on a stock Android 10 device. 2. Entered sample numbers are processed and saved locally; relaunching the app shows the stored data. 3. Code is organised and commented clearly enough for me to extend or replace the processing logic later. No network calls, analytics, or external libraries are required unless they speed up local storage handling. Simple, tidy, and completely offline is all I’m after.
Project ID: 40554989
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✔ I deliver 100% work — 99.9% is not for me. ✔ Workflow Diagram Numerical Data Input ⟶⟶ Local Data Validation ⟶⟶ Processing Logic Execution ⟶⟶ Local Storage Persistence ⟶⟶ Data Retrieval ⟶⟶ Results Visualization ⟶⟶ APK & Source Code Delivery Key Highlights ✔ Native Android development using Kotlin or Java with full Android Studio project delivery. ✔ Completely offline architecture — no network calls, analytics, or external dependencies required. ✔ Clean data processing pipeline with easily replaceable placeholder calculation logic. ✔ Local data persistence using Room/SQLite for reliable storage and future extensibility. ✔ Minimalist, responsive UI displaying both raw and processed numerical data clearly. ✔ Well-structured, documented codebase designed for easy maintenance and expansion. ✔ Persistent storage verification — data remains available after app restart. ✔ Complete deliverables including APK, source code, and setup documentation. Best Regards, Asad Android Developer | Kotlin Specialist | Mobile Application Architect
₹2,000 INR in 10 days
4.7
4.7
47 freelancers are bidding on average ₹7,240 INR for this job

Hello, I’m **Hiren Kapuria**, a Senior Android Developer with 10+ years of experience in Kotlin, Java, Android SDK, MVVM Clean Architecture, and local data storage. I can build your **offline proof-of-concept Android app** with a clean, modular structure that is easy to understand and extend. **Solution Includes:** * Simple UI for manual data entry or CSV import * Placeholder data-processing pipeline with clear logic * Local persistence using **Room (SQLite)** for reliability * Screen displaying both raw and processed data * Fully offline operation with no unnecessary dependencies * Well-commented, maintainable Kotlin code **Deliverables:** * Complete Android Studio project (API 29+) * Signed APK for testing * README with build instructions, project structure, and storage details The application will meet all acceptance criteria, including persistent local storage across app restarts, crash-free performance, and clean architecture that allows you to replace or extend the processing logic with minimal effort. I’m available to start immediately and can deliver a lightweight, well-documented solution within a short timeline. **Best Regards,** **Hiren Kapuria** Senior Android Developer
₹7,000 INR in 7 days
5.6
5.6

Hi i am Ravi,an experienced Android developer, I will build you a clean, simple Kotlin app using Room for local storage. I'll make a basic data pipeline with easy inputs and a neat UI. The code will be well-commented and easy to update, passing your Android 10 test perfectly. Lets get this started!
₹7,000 INR in 7 days
5.1
5.1

As an experienced Android developer with particular expertise in mobile app development and a plethora of experience to boot, I'm confident I can create the perfect proof-of-concept app that will meet and exceed your requirements. My fluency in Android Studio, Java (or Kotlin), as well as my deep knowledge of API 29+ and SQLite/Room, positions me perfectly for this project. My goal has always been to actualize client's ideas into tangible solutions and with over 9 years of industry experience, I am confident that I can provide a robust and clean codebase solution. Additionally, I understand the importance of documentation; your need for well commented organize code is not lost on me. You can trust that it will be a top priority in this project. My communication skills are second to none, so no matter how complex the processing logic may be, you’ll understand it clearly. In a nutshell, when you choose me for this project, you’re selecting an individual who will bring not only technical proficiency but also passion, attentive regard to detail and a supportive mindset. And yes, you’ll get all of this at an
₹17,000 INR in 7 days
5.3
5.3

As an accomplished mobile app developer with a specialization in Android and Java, I believe my skills align perfectly with your project requirements. Not only have I built numerous Android applications utilizing SQLite for local storage, but I've also gleaned vital insights from my time at Google and Apple which include streamlining offline processes, efficient data handling, and building clean user interfaces. One of my areas of expertise is the ability to balance intricate functionalities with simplicity in design, vital for your POD app. Since this is a proof-of-concept, I understand the importance of clean, well-commented code that can be easily adjusted or expanded upon in future iterations. In addition to creating the app, I will provide a comprehensive README file that clearly outlines build steps, chosen storage methods, and data file locations. Beyond the specific technical skills required for this project, I bring an unwavering focus on client satisfaction and my meticulously transparent workflow to the table. My proven ability to both comprehend and enhance your existing codebase would be ideal for this project – minimizing risks, accelerating time-to-market, and delivering a reliable end product. Let's discuss your project further and chart a course toward success!
₹7,000 INR in 7 days
4.5
4.5

I will build your lightweight Android proof-of-concept app. Local data processing. Local storage. Clean code. No network calls. Offline-first. Tech Stack: Kotlin + Jetpack Compose + Room Database Why: Fast development. Clean UI. Easy to extend. Offline-only. Core Workflow: Accept numerical dataset (manual entry or test CSV) Run basic processing routine (placeholder calculation) Save original + processed data to Room Database Display both sets in a minimalist screen Deliverables: Full Android Studio project (Kotlin, API 29+) APK for sideload testing README with build steps, storage details, data location Acceptance Criteria: ✅ App installs and opens without crashing ✅ Sample numbers processed, saved locally, and persist after relaunch ✅ Code is clean, organised, well-commented – ready for logic extension Timeline: 3-4 days Why Me: Built multiple offline Android apps with Room and Jetpack Compose. Guarantee: Works offline. No network calls. Clean code. You test before final payment. Ready to start.
₹7,000 INR in 5 days
2.5
2.5

Hi, I'd be happy to build this Android proof-of-concept with a focus on clean architecture, readability, and maintainability rather than unnecessary complexity. The app will accept local numerical input, process it through a clearly separated calculation layer, store both raw and processed data locally (I recommend Room for scalability and simplicity), and display the results in a lightweight, responsive UI. The code will be modular, well-commented, and easy to extend with more advanced processing logic in the future. You'll receive: Android Studio project (Kotlin, API 29+) Installable APK README with build instructions, storage details, and project structure Clean, documented code following Android best practices Before I begin, I'd just like to confirm whether you prefer manual data entry, CSV import, or support for both in the initial proof of concept. Looking forward to working with you!
₹7,000 INR in 7 days
2.1
2.1

( ͡❛ ᴗ ͡❛ ) No Upfront Fee | Free Live Demo Available | 100% Satisfaction Guaranteed | Fast Delivery | Best Price in the Market | 5+ Years of Experience in App Development | Trusted by 50+ Clients Hi, I’ve carefully reviewed your requirements and can develop a clean, lightweight Android proof-of-concept app in **Kotlin** targeting **API 29+**. The app will accept numerical input (manual entry or local CSV), perform a simple processing routine, store both raw and processed data locally using **Room (SQLite)** for reliability, and display the results in a minimal, user-friendly interface. The project will include well-structured architecture, clear comments, and comprehensive documentation, making it easy to replace or extend the processing logic later. You'll receive the complete Android Studio project, a signed APK for testing, and a README covering setup, storage implementation, and data locations. **Estimated delivery:** 2–3 days. I’m ready to start immediately and deliver a clean, maintainable offline solution that meets all your acceptance criteria. Looking forward to working with you!
₹1,500 INR in 7 days
0.8
0.8

You need a clean proof-of-concept Android app that accepts numerical input, runs it through a processing pipeline, persists both raw and processed values locally, and displays them — all offline, all on-device. At Poundit I built Android features using Java/Kotlin with Android SDK, so structuring a Room-backed data layer with a simple processing pipeline and a minimal UI is straightforward work. I'd build this in Kotlin targeting API 29+, use Room with SQLite for local persistence so the data survives app restarts, implement a clearly commented processing module where the calculation logic is isolated in its own class so you can swap it out later without touching the UI or storage layers, and display raw vs processed values in a clean two-column RecyclerView. The project ships as a full Android Studio project plus a sideloadable APK, with a README covering build steps, the Room schema location, and where the database file lives on device. Only one question before I start: do you have a specific processing operation in mind (moving average, normalization, something else), or should I implement a clearly labelled placeholder that you can replace?
₹4,000 INR in 1 day
0.6
0.6

Hello, I hope you’re doing well. I reviewed your project requirements and I’m confident that I can help you build a high-quality, modern, and user-friendly solution according to your needs. Android Local Data Processor I’m Ankur, a Full Stack Developer with 7+ years of experience in: * Custom Website Development * E-commerce Development * Mobile App Development * Flutter App Development * Android & iOS Applications * WordPress & PHP Development * UI/UX Design * Admin Panels & APIs I have successfully completed 500+ projects for startups, businesses, and individual clients worldwide. Why work with me? ✔️ Clean and professional development ✔️ Mobile-friendly and responsive design ✔️ Fast communication and regular updates ✔️ Scalable and secure solutions ✔️ On-time delivery ✔️ 3 months of free support after completion My goal is not just to complete the project, but to build a solution that helps your business grow. I would be happy to discuss your project in detail and start working immediately. Looking
₹11,000 INR in 9 days
0.2
0.2

Hi, Hope you're doing well. I can build this offline Android proof-of-concept app in Kotlin or Java. The app will accept numerical data, process it, save both the original and processed values locally, and display them in a simple interface. You'll receive the complete Android Studio project, APK, and a README with setup instructions. The code will be clean, well-organized, and easy to extend. I'm ready to start immediately and look forward to working with you. Thank you!
₹4,000 INR in 7 days
0.0
0.0

I'll build you a clean, documented Android app in Kotlin that accepts numerical data, processes it through a clear pipeline, and stores both raw and processed values using Room (SQLite wrapper). The UI will be minimal but functional, showing input fields and a results screen with both datasets visible. I'll include proper data models, a repository pattern for storage logic, and inline comments explaining the flow so you can easily swap out the processing logic later. Deliverables include the full Android Studio project, a signed APK ready to sideload on Android 10+, and a README with setup steps and storage location details. This is straightforward work that I can complete in 3 days.
₹1,515 INR in 3 days
0.0
0.0

Hello, I can develop this lightweight Android proof-of-concept exactly as described, with clean, well-structured code that is easy to understand and extend. The app will work entirely offline and demonstrate the complete data processing pipeline—from local input to processing, storage, and display. ### What I'll Deliver ✔ Android Studio project (Kotlin or Java) ✔ Simple, intuitive UI ✔ Manual data entry and CSV import support (if preferred) ✔ Placeholder numerical processing logic with clear documentation ✔ Local data storage using Room (recommended) or SQLite ✔ Display of both raw and processed data ✔ Fully offline operation (no network dependencies) ✔ APK for testing ✔ Well-commented source code ✔ README with build instructions and storage details The architecture will be modular so you can easily replace the placeholder processing logic with your own algorithm in the future. I'm ready to start immediately and can deliver a clean, maintainable project within your timeline. Best Regards, Remedio Technologies
₹12,000 INR in 7 days
0.0
0.0

❤️❤️❤️Hi, I am very glad to work for you!❤️❤️❤️ ⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐ I can build your lightweight Android PoC exactly as specified, fully offline and focused on clean, well-documented architecture. ✔ Kotlin/Java Android Studio project (API 29+) ✔ Simple input screen for numerical dataset entry ✔ Basic data processing pipeline (clearly structured, easy to extend) ✔ Local persistence using Room/SQLite (or JSON if preferred) ✔ Dual storage view (raw + processed values displayed on screen) ✔ App reload support to verify persisted data works correctly ✔ Minimal UI focused on clarity and testing ✔ Well-commented code for easy future expansion ✔ APK build included for direct testing ✔ README with setup + storage explanation I focus on writing clean PoC-level architecture so the processing logic and storage layer can be easily replaced or extended later. Do you prefer Room database for structured storage, or a simpler JSON-based approach for faster inspection? Best regards.
₹10,000 INR in 7 days
0.0
0.0

Hi, I can build this exactly to spec, a lightweight, fully offline Android PoC in Kotlin (API 29+) with no network calls or unnecessary libraries. Plan: Simple UI for manual entry of a small numerical dataset (test CSV import supported too) A clear, documented processing routine (e.g., normalization/aggregation placeholder) so the pipeline is easy to see and swap out later Local persistence using Room/SQLite, so both raw and processed values survive app relaunch Minimalist results screen showing both datasets side-by-side for easy verification Clean, commented code structured so you can extend or replace the processing logic without digging through spaghetti Deliverables: Full Android Studio project (Kotlin), a signed debug APK for sideloading, and a concise README covering build steps, the storage choice, and where data files live on-device. I'll test on a stock Android 10 target to confirm your acceptance criteria (clean install, data persists across relaunch, no crashes). Happy to start immediately and can share progress screenshots as I go. Let me know if you'd like SharedPreferences instead of Room for something even lighter, either works well for this scope.
₹6,500 INR in 5 days
0.0
0.0

I can develop an efficient Android local data processing solution tailored to your application's requirements, ensuring fast performance and reliable offline functionality. My approach begins with understanding your data workflow, processing logic, and storage needs. I will implement a robust local database using technologies such as Room or SQLite, optimize data handling, and design efficient processing routines to minimize resource usage and maximize responsiveness. The solution will include proper error handling, data validation, and synchronization support if future cloud integration is required. I will follow Android development best practices, thoroughly test the application across supported devices, and provide clean, maintainable code. Regular progress updates, documentation, and post-delivery support are included to ensure the solution meets your performance and usability expectations.
₹6,500 INR in 9 days
0.0
0.0

Hello, I'd be happy to develop your offline Android proof-of-concept application. Our team has experience building Android applications in both **Kotlin and Java**, with a strong focus on clean architecture, local data storage, and well-documented code. Since this is a proof of concept, we'll keep the implementation lightweight while ensuring the project is easy to understand and extend. ### What we'll deliver: ✅ Android Studio project (Kotlin preferred, Java if required) ✅ Simple and intuitive UI for entering numerical data ✅ Support for manual input and optional CSV import from local storage ✅ Data processing pipeline with clean, modular code (placeholder logic that can easily be replaced later) ✅ Local storage using **Room (SQLite)** for reliable persistence ✅ Screen displaying both raw and processed datasets ✅ Offline functionality with no unnecessary dependencies ✅ Well-commented source code following Android development best practices ✅ APK for quick installation and testing ✅ README with build instructions, project structure, storage details, and guidance for extending the processing logic ### Acceptance Criteria ✔ Runs smoothly on Android 10 (API 29+) and above ✔ Data remains available after restarting the app ✔ Clean, maintainable architecture that makes future enhancements straightforward Looking forward to discussing your project. Happy to connect. Best regards, Prachi Agrawal
₹3,500 INR in 12 days
0.0
0.0

I have carefully reviewed your project requirements and understand that you need a lightweight Android proof-of-concept application that processes numerical data entirely offline with clean, maintainable, and well-documented code. I can develop the application in Kotlin (or Java if preferred) using Android Studio, targeting API 29+. The app will support manual data entry or CSV input, perform a clear processing routine, store both the original and processed data locally using Room (SQLite) or another suitable local storage option, and display the results in a simple, user-friendly interface. The data will remain available even after restarting the application. The project will include a complete Android Studio source code, a testable APK, and a concise README explaining the project structure, build process, storage implementation, and how the processing logic can be extended in the future. I focus on writing modular, well-commented code that is easy to understand and maintain. I will ensure the application is stable, fully offline, and meets all the acceptance criteria you've outlined. I look forward to discussing your requirements and delivering a clean, reliable proof of concept.
₹10,000 INR in 5 days
0.0
0.0

Hello, I am an Android Developer with experience in Kotlin, Java, Room Database, SQLite, MVVM architecture, and Android Studio. I can build a lightweight Android application that: Accepts a sample dataset (JSON/CSV/manual input). Processes the data according to your requirements. Stores both raw and processed data locally using Room/SQLite. Displays the stored results in a clean and user-friendly interface. Includes clean, well-documented, and maintainable code. I will also provide: Complete Android Studio source code. APK for testing. README with setup instructions and implementation details. Delivery within 7 days. I focus on writing clean, efficient, and production-ready Android applications. I would be happy to discuss your requirements further. Thank you for your consideration.
₹7,000 INR in 7 days
0.0
0.0

As someone with diverse and comprehensive programming abilities, I am confident that I'm adept to tackle your Android Local Data Processor project. While my primary experience lies in full-stack web development, my proficiency with Node.js and MongoDB is directly applicable to this job. I have also taken on substantial work involving local storage handling -- such as Cache Management and image compression -- so ensuring the efficient processing and storage of the numerical data will be within my wheelhouse. I am skilled in both Kotlin and Java along with using Android Studio. This combines beautifully with your requirement of a dummy data source and a simplified UI as I can rapidly design an intuitive interface to help you track and evaluate the raw as well as the processed values at ease. Additionally, my proficiency with incorporating clean, well-documented code is exactly what you need for a proof-of-concept project like yours. I build for actual production rather than just superficial demos - this means I keep scalability and future extendability in mind during development. Therefore, you can be assured that not only will the app function on your stock Android 10 device, but its logic is clear enough to allow easy tweaks and upgrades in the future.
₹7,000 INR in 5 days
0.0
0.0

Hi, I can build this lightweight Android proof-of-concept app for you. I would create a clean Android Studio project in Kotlin targeting API 29+, with a simple offline workflow: manual numerical data entry, a basic processing routine to demonstrate the pipeline, local persistence of both raw and processed values, and a minimalist screen to display the saved results. For this POC, I would keep the implementation simple and easy to extend. I can use local storage such as SharedPreferences with JSON to avoid unnecessary complexity and keep the code clear, documented, and maintainable. Deliverables will include the full Android Studio project, an APK for sideload testing, and a short README explaining how to build the app, how the data is processed, where it is stored, and how the processing logic can be modified later. The app will be fully offline, with no network calls, analytics, or unnecessary external libraries.
₹10,000 INR in 7 days
0.0
0.0

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