
Closed
Posted
I need a lightweight Android application that lets my field workers create a visual snaglist directly from their phones. The core flow is simple: open the app, snap a photo of any on-site issue, draw or write quick annotations on top of that image, then save it to a local list that can later be synced when the device is online. The interface has to be no-frills so workers can move fast—camera, annotation tools, and a clear “save” action are front and centre. Everything else can sit behind a menu. I am not looking for a cross-platform build; this is Android-only, so feel free to lean on native components or Jetpack libraries to keep performance smooth even on mid-range devices. Optional extras such as checklist management or GPS tagging aren’t required for the first release, but I’d like the code structured cleanly enough that those features could slot in later without a rewrite. Deliverables: • Signed APK ready for Google Play internal testing • Clean, well-commented source code in a Git repo • Brief readme covering build steps and any third-party libraries used I will test usability on a few field devices; acceptance is complete when photos can be taken, annotated, stored offline, and reopened with annotations intact.
Project ID: 40724358
85 proposals
Remote project
Active 3 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
85 freelancers are bidding on average ₹999 INR/hour for this job

With experience in Android app development, particularly in optimizing user interfaces for speed and efficiency, I understand your need for a lightweight Android application that simplifies on-site issue reporting for field workers. My past work includes designing intuitive interfaces with native Android components to ensure seamless performance on various devices. How can we ensure a smooth transition for integrating optional features like GPS tagging in future updates while maintaining code cleanliness? Regards, Yogesh Kumar
₹874 INR in 36 days
8.4
8.4

Hello, I can help you with "Android Field Snaglist App" as per your given project description. We can discuss more in detail during a chat conversation when you are available. I've worked on many PHP projects in recent times. So I am confident on achieving your expected Goals. Please initiate a communication thread to discuss further and start with the project. ⭐ 5.0/5 from a recent client: "A more professional version: “Excellent work! The job was completed within the committed timeline. Great quality, professionalism, and timely delivery. Highly appreciated and recommended.”" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
₹750 INR in 1 day
8.0
8.0

Your offline-first architecture will break if you store annotated images as raw bitmaps—field workers shooting 20+ photos per day will fill device storage in under a week, and the sync payload will timeout on rural 3G networks. Quick questions - are you planning to compress annotations as vector overlays or rasterize everything into a single JPEG? And what's your target device spec—should I optimize for 2GB RAM handsets or assume 4GB+? Here is the architectural approach: - ANDROID SDK + JETPACK: Build with CameraX for hardware abstraction and Room for offline-first SQLite storage that survives process death. - CANVAS API: Implement touch-based annotation using native Canvas with undo/redo stack, then serialize paths as JSON metadata separate from the base image to keep file sizes under 500KB per entry. - SYNC ARCHITECTURE: Design a background WorkManager job that batches uploads when connectivity returns, with exponential backoff to handle flaky field networks without draining battery. I've built similar offline-capture tools for construction teams managing 200+ daily inspections across job sites with spotty coverage. Let's schedule a 20-minute call to walk through the annotation persistence layer before you commit to a storage strategy.
₹900 INR in 30 days
6.7
6.7

As a seasoned Senior Software Engineer with over six years of experien ce, I am confident that I am the right person for the job. In my career, I have extensive experience with Android and mobile app development -- skills that will prove critical for executing your vision for this sn aglist app successfully. My knowledge of PHP is also noteworthy here as it will ensure seamless back-end operations, such as offline storage and data syncing, which are vital aspects of your desired featu res. I've successfully built numerous apps from scratch, and as such, I understand the importance of writing clean and well-commented code. For your project, not only will I deliver a signed APK ready f or Google Play internal testing but also provide you with a Git repo comprising concise directives for building and any urged third-party libraries implemented. This project is within my capability. I guarantee an interface that prioritizes simplicity for faster operations by field workers without discarding the possibility of further add-ons in the future. Let's brin g your vision to fruition! If chosen, you can expect a high-performing Android app that meets your precise needs - on time and on budget.
₹1,000 INR in 40 days
6.3
6.3

As an experienced Full Stack Developer and AI Solutions Expert, I understand the significance of turning your concept into an efficient reality. By combining my 8+ years of real-world expertise with my Java and Mobile Development skills, creating a lightweight Android application for your field workers to create snaglists will be a seamless task. With over 200 successfully delivered projects, I ensure clean code, smart architecture, and a business-first approach which are the exact qualities you need for your native Android app. By hiring me, you'll receive more than just source code. You'll experience fast communication, on-time delivery (95% of the time), budget control (98% on-budget), and a long-term support guarantee that many of my clients have trusted and valued. Hence, with your requirement for a signed APK ready for Google Play internal testing; clean source codes in a Git repository; detailed readme - covering build steps and third-party libraries used; and full-functionality offline storage system that syncs when the device goes online – I am without doubt
₹750 INR in 40 days
6.4
6.4

Hi I have read your requirements and I am sure I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
₹1,000 INR in 40 days
6.6
6.6

Hello Client, Greeting of the day!!!! I read your job description I have sound of five years plus experience in App development. I have been DEVELOPED 35+ Apps, three taxi apps, Two socials apps and restaurant apps based on GPS location and notification functionality and based on different domain like sports, Health, GYM, personal business and social etc I have testing team for testing apps. I think I am strongest person for doing this job and provide the quality product with testing. I am always available for your support. Thanks Sr. Mobile Developer
₹750 INR in 40 days
6.7
6.7

Hi, Im expert application developer and I delivered many apps along with deployment. I’ll implement camera capture, image annotations, offline local storage, and reopening saved photos with annotations intact. I’ll use native Android/Jetpack components for smooth performance and keep the code structured for future features. You’ll receive a signed APK, clean commented source code, Git repository, and setup documentation. I can start immediately and deliver a reliable first release within the agreed timeline.
₹1,000 INR in 40 days
5.5
5.5

I understand this is a focused Android field-work app where speed and offline reliability matter most: capture an issue photo, annotate it immediately, save it locally, and reopen it later with annotations intact. I’d build it natively with Kotlin and modern Jetpack components, using CameraX for dependable camera capture and a local Room database/file storage layer for offline-first snag management. The annotation layer will support quick drawing/text overlays while preserving the original image and annotation data safely. I’ll keep the UI minimal, with camera, annotation tools and Save prominently accessible, while structuring the architecture so GPS/checklists or future sync can be added without a rewrite. I’ll test capture, annotation persistence, reopening, offline behavior and lifecycle edge cases across representative Android devices, then provide a signed APK for Play internal testing, clean Git source and README. 1. What minimum Android version must be supported? 2. Which annotation tools are required: freehand, text, arrows/shapes? 3. Should each snag support a title or short description? 4. Should offline sync architecture be included in this first release? I’ll deliver a fast, reliable Android app ready for real field use.
₹750 INR in 40 days
5.9
5.9

Hello, I HAVE SEEN YOUR DESCRIPTION. YOU NEED A LIGHTWEIGHT NATIVE ANDROID SNAGLIST APP FOR PHOTO CAPTURE, IMAGE ANNOTATION AND OFFLINE STORAGE. I have reviewed your requirements and can build the app natively for Android using Kotlin and Jetpack, keeping the interface simple and optimized for fast field use. I have 10+ years of experience with Android development, camera workflows, local storage, image processing and mobile applications. The core flow will allow workers to capture an issue photo, draw or add text annotations directly on the image, save it locally, reopen it later with annotations intact, and keep the architecture ready for future GPS tagging, checklists and online synchronization. Working Flow: Camera Capture → Image Annotation → Local Save → Snaglist → Reopen/Edit → Offline Data Handling → Device Testing → Signed APK → Handover I’ll provide the signed APK for Google Play internal testing, clean commented source code in Git, and a concise README covering the build process and third-party libraries. Please share any preferred Android version/device requirements or annotation examples so I can confirm the implementation and next steps. Thanks, Invoke Tech
₹1,000 INR in 40 days
5.7
5.7

Hi, there I’m Fernando from Mexico. I’d build the Android Field Snaglist app natively with Kotlin and Jetpack, keeping the camera, annotation tools, and offline storage lightweight for fast use on field devices. Photos would be stored locally with their annotation data tied to each snag, so entries can be reopened and edited without losing the drawings or notes. I’d structure the local data layer separately from the UI so future checklist or GPS features can be added without rewriting the core app. I’d also prepare the signed APK, clean Git source, build instructions, and third-party library documentation required for internal testing. I’d first implement the complete capture → annotate → save offline → reopen flow so the most important acceptance path can be tested early. Looking forward to work with you. Thanks Fernando
₹1,000 INR in 40 days
5.0
5.0

For this snaglist app, I’d keep the workflow exactly as field workers need it: launch, capture, annotate, save, and move on, with offline storage handling the rest in the background. I’d build it natively in Kotlin using Jetpack Compose, CameraX, Room, and WorkManager. My two priorities would be user experience and maintainability: fast camera access, simple pen/text/marker tools, reliable local persistence, and a clean repository/sync layer so checklist management, GPS tagging, or cloud sync can be added later without restructuring the app. That keeps the first release lightweight while reducing future development cost. Each snag item would store the original photo, annotation data, created time, and sync state locally. Photos would reopen exactly as saved, with background sync queued safely when connectivity returns. I’d also cover permission handling, image compression, orientation changes, offline recovery, and testing on mid-range Android devices. A relevant example is Event PIC, where I worked on a mobile-first media platform handling high-resolution images, structured storage, fast access, and performance-focused delivery.
₹1,500 INR in 40 days
4.9
4.9

For a field snaglist app, the workflow needs to be almost frictionless — capture the issue, mark it up, save it, and move on. That’s the approach I’d take for this Android build. I can develop a native Android application using Kotlin/Android SDK and Jetpack components, optimized for smooth performance on mid-range devices. ✅ Camera-first interface with quick photo capture ✅ Draw/write annotations directly over captured images ✅ Offline-first local storage with snaglist history ✅ Reopen saved issues with annotations preserved ✅ Clean architecture so future GPS/checklists/sync features can be added without rewriting the core ✅ Signed APK for Play internal testing ✅ Clean, commented source code + Git repository ✅ README covering setup, build steps and dependencies I’ll keep the UI intentionally minimal, with the camera, annotation tools and Save action immediately accessible while secondary functionality stays behind the menu. I’m Ashish Malik | Full Stack Developer & Digital Marketing Expert, with 9+ years of experience and 500+ projects delivered. I can share relevant verified Android/mobile examples and discuss the implementation approach. Let’s start a chat and build a fast, reliable snaglist app your field workers can actually use on-site.
₹1,000 INR in 40 days
4.7
4.7

As a seasoned full-stack developer with a strong background in Android and mobile app development, I am confident that I'm the right person to fulfill your need for an Android Field Snaglist App. My 14+ years of experience have equipped me with the necessary skills to build fast, efficient, and secure applications tailor-made for your specific needs. I understand the importance of creating a lightweight app that is easy to navigate but at the same time robust enough to handle any future feature integration seamlessly. I have ample experience in working with native components and Jetpack libraries ensuring smooth performance across all devices, including mid-range ones. Moreover, my expertise extends beyond just developing the app- it includes creating clean, well-commented source codes and setting up Git repositories to easily manage them. Rest assured, you'll get all this while working with me along with top-notch support even after project completion, because a successful project to me is one that continues to thrive even after the handover. Let's collaborate on building a great tool for your field workers!
₹1,000 INR in 68 days
4.0
4.0

Dear client, I can build your Android snaglist app with camera, photo annotation, offline storage, and a simple field-friendly interface. I have 6 years of experience in mobile and app development, and I can build this using native Android/Jetpack components for smooth performance on mid-range devices. Workers will be able to take photos, draw or write notes on images, save them locally, and reopen them with annotations intact. I can share my work links in chat box. Looking forward to your response on chat box Thanks.
₹750 INR in 40 days
3.7
3.7

Hello, I can build the Android snaglist app with a fast, simple workflow for field workers: capture a site photo, annotate directly on the image, save it locally, and reopen it later with all annotations intact. I have 10+ years of software development experience including Android/mobile applications, backend APIs, databases and responsive application development. I can implement the camera flow, drawing/text annotation tools, offline local storage, image handling and clean Android architecture using native Android components. I will keep the code modular so checklist management, GPS tagging and online synchronization can be added later without rewriting the core application. Deliverables will include the signed APK for internal testing, complete Git source code, and a concise README covering build steps and dependencies. Rate: ₹1,250/hour.
₹1,250 INR in 40 days
3.8
3.8

With half a decade of experience in full stack development and a specialization in Android Development, I am more than confident in my abilities to tackle your Field Snaglist App. Throughout my career, I've worked on an array of mobile applications but it's those that marry performance and simplicity with precision that truly excite me, just as your no-frills vision does. In terms of architecture, I code clean and keep things organized which allows for easy expansion of functionality further down the line. This means that those optional extras you mentioned: checklist management or GPS tagging features can be seamlessly integrated without rewriting everything from scratch. I'll also ensure that your application runs smoothly across all devices by taking advantage of native components and Jetpack libraries. Finally, I don't just see this as a job, but rather as an opportunity to build a lasting business relationship with you. Expect regular updates, clear communication throughout the development process and most importantly, an APK and codebase that meets all your specifications. Thank you for this opportunity and I look forward to discussing how together we can bring your vision into reality.
₹1,000 INR in 40 days
3.9
3.9

Hello, I’ve gone through your project details carefully, and I must say it sounds really interesting. I’d love to bring my experience to make it a success. With over 10 years of hands-on experience in web, mobile, and software development, I’ve had the privilege of working with clients from around the world — delivering 1000+ successful projects so far. My team and I are comfortable working with technologies like MEAN, MERN, Flutter, React Native, PHP, Laravel, Python, WordPress, Shopify, AI, Blockchain, CRM, CMS, and more. What truly drives me is solving complex challenges and transforming ideas into reliable, user-friendly products. I always aim for clear communication, transparency, and results that make clients feel confident they chose the right partner. You can review my portfolio here: https://www.freelancer.in/u/NareshJoshiTech I’d really appreciate the chance to discuss your project in detail and explore how we can create something great together. Looking forward to hearing from you. Warm regards, Naresh Joshi
₹1,000 INR in 40 days
3.4
3.4

I would build this natively in Kotlin, keeping camera, annotation and Save immediately accessible. Store the original photo and annotation data separately, with local records in Room, so reopening a snag preserves its markings and later sync can be added cleanly. At INR 750/hour, I propose a three-day initial sprint of up to 20 hours for camera capture, pen/text annotations and an offline snag list. After testing that flow on your field devices, we can scope any sync endpoint and additional tools. My mobile portfolio includes GOAT Cricket; I will provide the Git source, build README and a signed internal-test APK using your agreed signing setup. Must annotations stay editable after saving, and which Android versions do your workers use? I would test offline restart, permission denial and photo orientation, with acceptance based on saving and reopening annotated photos reliably.
₹750 INR in 25 days
3.4
3.4

This is a good fit for a focused native Android build: open camera → capture issue → annotate directly on the photo → save locally → reopen later with everything intact. The UI should stay out of the worker’s way. I’d build the first release natively with Kotlin + Android SDK/Jetpack, keeping the architecture simple and extensible. Implementation would include: Fast camera capture using native Android components Drawing/text annotation layer over captured photos Undo/clear tools and an obvious Save action Offline-first local storage for photos, annotations and snag metadata Reopen/edit saved snags with annotations preserved Efficient image handling so the app remains responsive on mid-range devices Clean separation between UI, storage and future sync logic Structure that can later accommodate GPS tagging, checklists and cloud sync Signed APK for Play internal testing Clean Git repository with build/setup README I’d keep sync out of the first release unless required, but design the local data model so adding online synchronization later doesn’t require rebuilding the core app.
₹1,000 INR in 40 days
3.2
3.2

Prayagraj, India
Member since Sep 6, 2026
$250-750 USD
₹37500-75000 INR
₹12500-37500 INR
$15-25 USD / hour
₹750-1250 INR / hour
$30-250 CAD
$10-30 USD
₹12500-37500 INR
₹750-1250 INR / hour
₹750-1250 INR / hour
$8-15 USD / hour
₹250000-500000 INR
$250-750 USD
$2-8 USD / hour
$30-250 USD
₹1500-12500 INR
$10-30 USD
$25-50 USD / hour
$30 USD
$1500-3000 USD