
Đã đóng
Đã đăng vào
Thanh toán khi bàn giao
Title: Android Developer: Dashboard App for Informative Content & 8-Hour Background Recording Job Description: I am looking for an experienced Android Developer to build a "Shell" application that serves as a central dashboard for informative content and diagnostic tools featuring 8-hour audio recording. Key Deliverables: Main Dashboard: A 4-button home screen: 3 Buttons: Each opening a local interactive HTML5 file (Informative E-books). 1 Button: "Start Test" leading to a Web-based Questionnaire. Logic & Validation: The 8-hour recording feature must remain locked until the user successfully submits the questionnaire. The app must receive a success confirmation from the server to unlock the recording stage. 8-Hour Audio Recorder: Continuous background recording for 8 hours (Mandatory use of Foreground Services & WakeLock). Optimization: High compression (AAC/m4a) to keep the 8-hour file under 50MB. Data Safety: Real-time writing to storage and Auto-save/Finalize exactly at the 8-hour mark. No data loss is acceptable if the app closes or the battery dies. Technical Requirements: Proven experience with Android Media Services and background process stability. Delivery of full Source Code and Signing Key (.jks) is a non-negotiable condition. Mandatory POC: Candidates must provide a simple POC APK demonstrating stable 1-hour background recording before being hired.
Mã dự án: 40345474
213 đề xuất
Dự án từ xa
Hoạt động 8 ngày trước
Thiết lập ngân sách và thời gian
Nhận thanh toán cho công việc
Phác thảo đề xuất của bạn
Miễn phí đăng ký và cháo giá cho công việc
213 freelancer chào giá trung bình $569 USD cho công việc này

➰➰ EXPERIENCED ANDROID DEVELOPER SINCE 8+ YEARS Hi there, ✋Based on your requirements, I would love to help you build this Android Shell application with secure dashboard, web modules, and long-duration audio recording system. I have strong experience in Android Foreground Services, MediaRecorder/AudioRecord, and battery-safe background processing, which is critical for stable long-running recordings like your 8-hour requirement. ⭕ Is the server already prepared for the unlock validation API? ⭕ Should recording continue even if app is fully swiped away or only service-based? ⭕ Do you require encrypted audio storage or standard secure file storage? ♾️ That's all for now. I can commence immediately. I am open to a chat to proceed forward with the next step. Thank You.
$500 USD trong 7 ngày
10,0
10,0

Having served as a powerhouse in the web and app development space for 18+ years, CnELIndia has developed an exceptional understanding of mobile app development. We are adept in utilizing Android Media Services and foreground services to ensure a stable, uninterrupted 8-hour background recording feature. Critical to your project is data safety, our extensive experience warrants real-time writing to storage and auto-save/finalize function that guarantees no data loss even if the app closes or battery dies. Leaning on our experience with data scraping, we have the technical know-how to create a "Shell" that comprises multiple local interactive HTML5 files (Informative E-books) combined with a web-based questionnaire feature. Our reliability lies in building stable, powerful apps that seamlessly integrate server interactions like your task execution verification system. Moreover, we take immense pride in delivering transparent solutions. As a testament to this commitment, we are willing to provide you with POC APK demonstrating stable 1-hour background recording before hiring. Trust CnELIndia to not only optimize the 8-hour audio file compression but wire and deliver optimized full source code and signing key (.jks). Choose us for refined professionalism and impactful outcomes
$500 USD trong 7 ngày
9,0
9,0

I have thoroughly reviewed your project requirements for the Android Dashboard & Recorder app. I understand the need for a central dashboard for informative content with a secure 8-hour audio recording feature. I have extensive experience in Android development, especially with media services and background processes. I am confident in my ability to deliver a stable and efficient solution that meets your specifications. Please let me know if I have captured your requirements accurately. I am eager to discuss the project scope further and adjust the budget accordingly. Looking forward to the opportunity to work together. Please go through my profile its 15 years old see the work I did over the years. No Win No Fee means that your satisfaction is my utmost priority. Lets discuss the job details. Moreover, I am willing to start the job and perform tasks without even being hired; it is just to show my commitment to this project. Looking forward to hear from you.
$525 USD trong 10 ngày
8,7
8,7

Hello there, I will build your Android dashboard app with the 4-button home screen, local HTML5 e-book viewers, questionnaire-driven unlock logic, and the 8-hour background audio recorder. For the recorder, I will use a Foreground Service with a partial WakeLock and write AAC-encoded audio in chunked segments to storage every few minutes. This way, even if the battery dies mid-recording, you only lose the last chunk rather than the entire file. I will also deliver the POC APK for 1-hour stable background recording before we proceed with the full build. Questions: 1) Should the questionnaire success flag persist locally, or must the app re-verify with the server on each launch? 2) Do you need the recorded audio uploaded automatically, or will the user transfer it manually? Looking forward to your response. Best regards, Kamran
$270 USD trong 10 ngày
8,5
8,5

Hello We are Ominfowave Software Services Pvt. Ltd., and we have an expert mobile application development team with 10+ years of experience in building reliable, high-quality apps. ? Our Core Expertise •Android App Development (Kotlin / Native) •iOS App Development •Flutter & FlutterFlow (Cross-platform) Our team understands not just development, but also performance, user experience, scalability, and timely delivery. ? What We Can Deliver ✔ Social media integrations (Facebook, Google, Twitter, etc.) ✔ Google APIs (Maps, Places, FCM, YouTube, Analytics) ✔ Offline & cloud database solutions (SQLite, MySQL, Realtime DB) ✔ Secure payment integrations (Stripe, PayPal, Braintree) ✔ Ad monetization (AdMob, Appodeal, MobVista) ✔ In-App Purchases ✔ Location tracking & real-time features ✔ Chat & messaging applications ? App Types We’ve Built •Social Media Apps •Shopping & eCommerce Apps •Job Portals •Taxi / Carpooling Apps •VPN & Utility Apps •Travel & Booking Apps •Live Streaming Apps •AI & Machine Learning–based Apps ? Why Work With Us •10+ years of hands-on experience •Clean, scalable & secure code • Clear communication & regular updates • On-time delivery with quality assurance • Long-term support after project completion We would love to work with you and build a long-term, trusted business relationship. Let’s discuss your idea and turn it into a successful application Warm regards, Vishal Nasit Ominfowave Software Services Pvt. Ltd.
$375 USD trong 10 ngày
8,5
8,5

Hi there, I’ve worked on apps where long-duration recording, data safety, and smooth background operation were critical, so I understand exactly what you need. I can take over your project and build your dashboard app with a 4-button home screen: 3 buttons opening local interactive HTML5 e-books, and 1 button launching the web-based questionnaire, so the overall flow stays simple and controlled. I will make sure the 8-hour audio recording will unlock only after the questionnaire is submitted and verified by the server. For recording, I’ll use a Foreground Service with WakeLock, compress in AAC/m4a to keep the 8-hour file under 50MB, and ensure continuous auto-save so everything finalizes reliably even if the app closes or the battery dies. I will also provide a POC APK showing a stable 1-hour background recording so you can verify stability before we proceed with the full build, and I will deliver the full source code along with the signing key (.jks). A few quick questions: Should questionnaire results be stored locally, on the server, or both? Do you want session analytics or logs for recordings? Any specific devices to optimize for? Once we clarify these, I can start immediately and deliver a smooth, production-ready build. Thanks, Rahul A.
$348 USD trong 7 ngày
8,5
8,5

Hi there, I’ve read your Android Shell dashboard with 8-hour background recording and I’m confident I can deliver a robust, production-ready solution that stays reliable under real-world constraints. The app will feature a 4-button home screen: three locally hosted interactive HTML5 e-books and one “Start Test” that launches a web-based questionnaire. The 8-hour recorder will run as a foreground service with a WakeLock, continuously writing to storage and auto-finalizing at the 8-hour mark. I’ll optimize for AAC/m4a compression to target under 50MB per 8 hours and ensure no data loss even if the app closes or the battery drops. I have extensive experience with Android Media Services, foreground services, and secure signing workflows, and I’ll deliver full source code and a .jks signing key. I’ll also provide a simple one-hour proof-of-concept APK upfront to demonstrate stable background recording before we start, as requested. After the user submits the questionnaire and receives a success confirmation from your server, the 8-hour recording unlock will activate, ensuring proper gating. Initial plan and milestones: - Week 1: POC APK (1-hour background recording) and project scaffolding. - Week 2: Core dashboard UI, HTML5 content integration, and test flow. - Week 3: Implement 8-hour AAC/m4a recorder with foreground service, wake lock management, and auto-save at 8 hours. - Week 4: End-to-end testing, signing, and delivery of source code and keys. I’ve shared an initial esti
$250 USD trong 10 ngày
8,2
8,2

Hello, I have 10+ years of experience in Android (Kotlin/Java), including MediaRecorder, Foreground Services, WakeLock handling, and background process optimization. I can build the 4-button dashboard with HTML5 integration, secure questionnaire validation via server response, and an 8-hour background audio recorder with AAC compression, real-time storage writing, and fail-safe auto-save even on app closure or battery issues. I am also ready to provide the required 1-hour recording POC APK before project confirmation. I WILL PROVIDE 2 YEAR FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE ALONG WITH SIGNING KEY (.JKS), WE WILL WORK WITH AGILE METHODOLOGY AND WILL GIVE YOU ASSISTANCE FROM DEVELOPMENT TO FINAL DELIVERY. I am available to start immediately and can ensure reliable, production-ready delivery. I eagerly await your positive response. Thanks,
$350 USD trong 7 ngày
8,3
8,3

Hi, I am Saibal from Codewarrior Technologies. Thanks for sharing the project scope with us. It seems to be very specific Android build and we have experience in building similar kind of app where stability, background handling, and data safety matter the most and are really important. Hence more attention will be on the architecture which has to be done carefully from the start. We can help build this as a clean native Android app with dashboard navigation, HTML5 content integration, questionnaire validation flow, and a robust long-duration recording module designed for reliability. A few important questions before we suggest the best implementation: 1. Will this app be used internally only, or published on Play Store? 2. Should recordings upload automatically after completion, or stay local first? 3. Do you already have the questionnaire API and success callback ready? 4. Also, should the recording remain hidden/locked in UI until server confirmation, or simply disabled? One quick but important note: an 8-hour recording under 50MB is very aggressive, so we’d want to test bitrate/quality tradeoffs carefully during the POC. We will be ready to discuss the POC path and rollout once we have our queries answered. Best Regards Saibal Dey
$500 USD trong 15 ngày
8,1
8,1

Hi I’ve carefully read your project and understand you need an Android dashboard app with HTML5 content, a gated questionnaire flow, and a highly stable 8-hour background audio recording system with zero data loss. I have strong experience with Android background services, media recording, and handling long running tasks using Foreground Services and WakeLocks. I’ve worked on similar apps requiring stable recording efficient compression (AAC/m4a), and secure data handling even under app termination or low battery scenarios. I can build your dashboard with smooth navigation for HTML5 content integrate the questionnaire validation flow with server confirmation, and implement a reliable recording system that writes data in real time and safely finalizes at the 8 hour mark. I fully understand the importance of stability and will optimize the recording to meet your file size requirement. Could you please share details about the questionnaire API and whether the HTML5 content is already prepared? I’m ready to start immediately and ensure a robust, production-ready solution. Best Regards Hammad Hassan
$500 USD trong 7 ngày
7,8
7,8

As an experienced and versatile Android developer with a focus on mobile app development for over 14 years, I believe I have the skills and expertise needed for your Info Dashboard & Long-term Recorder project. My team and I have worked on numerous custom software applications with similar functionalities and achieved consistently high-quality results. With 1100+ projects completed to date, we've helped countless clients leverage the power of mobile technology to meet their unique needs. In terms of technical requirements, you can expect the best from us. We're time-tested experts in Android Media Services, background process stability and optimizing foreground services with WakeLock to ensure reliable eight-hour audio recording. Our in-depth knowledge of local storage writing, realtime saving, and battery management guarantees no data loss even if the battery dies or the app closes abruptly. Our previous clients appreciate our dedication to maintainability, which is why we always deliver full source code and signing key without exception. Some popular platforms we've mastered like AWS, Laravel, Wordpress etc., also give us a special edge when it comes to interacting with web-based servers securely for data exchange. I'll be happy to provide you with a stable one-hour background recording POC APK so you can be confident about my suitability for the task.
$250 USD trong 3 ngày
7,8
7,8

Hello, I would be glad to support your Android dashboard and long-duration recording app. Your need for a stable foreground service, 8-hour continuous AAC recording under 50MB, and strict data safety aligns well with my experience building robust background media systems. I can structure the app with a clean 4-button dashboard, seamless integration of local HTML5 content, and a secure questionnaire flow that reliably unlocks the recording stage only after server validation. I will ensure optimized compression, crash‑safe real-time writing, and precise auto-finalization at the 8-hour mark. Full source code and signing key delivery will be included, and I can provide the required 1-hour POC demonstrating stable background recording. Regards, Ahtesham
$650 USD trong 20 ngày
7,6
7,6

Hello, I am highly interested in your project for developing an Android Dashboard App for informative content and an 8-hour background recording feature. With my expertise in Mobile App Development and Android SDK, I am confident in delivering a high-quality solution that meets your requirements. I understand the need for a user-friendly dashboard with interactive content and a secure background recording feature. My proposed approach includes creating a visually appealing main dashboard with easy access to informative e-books and a seamless integration with the web-based questionnaire. - MY WORK STATS: ✨ https://www.freelancer.com/u/XanvraTECH I propose a follow-up discussion to further discuss the project details and demonstrate my capabilities through a simple POC APK showcasing stable background recording. Best regards, Warda Haider
$250 USD trong 4 ngày
6,9
6,9

Hi! I appreciate the detailed breakdown but I want to be upfront with you. My core expertise is in web and backend development with PHP and Laravel, not native Android development. This project needs someone with deep experience in Android Foreground Services, WakeLock, and media recording stability, and that's not my strongest area. I'd rather be honest than waste your time. Hope you find the right Android dev for this. Good luck with the project!
$530 USD trong 7 ngày
7,0
7,0

Hey there, We understand you need a mission-critical Android "Shell" architecture that prioritizes foreground service stability and high-efficiency audio compression for uninterrupted 8-hour recording cycles. At TechForge Innovations, we back our technical precision with a 95% job success rate, 4.9-star rating, and 37 verified reviews. Our team of 12 experts specializes in Android system-level services, specifically implementing Foreground Services and PowerManager WakeLocks to ensure background processes remain active even under aggressive OS battery optimization. Robust Background Engine: Implementation of a persistent Foreground Service with notification hooks to prevent the OS from killing the 8-hour recording task. High-Efficiency Audio Logic: Custom AAC/M4A encoding parameters tuned to achieve a sub-50MB footprint while maintaining diagnostic audio clarity. Secure Validation Flow: A server-synchronized "Start Test" module that unlocks recording capabilities only upon verified questionnaire submission. Data Integrity Protocol: Real-time file writing and "low-battery" broadcast listeners to ensure your 8-hour data is finalized and saved under any hardware failure. We are ready to provide a 1-hour background recording POC APK to demonstrate our stability and compression standards. We can deliver the full, documented source code and signed production build within 14 to 21 days.
$500 USD trong 7 ngày
7,2
7,2

Hi, As per my understanding, you need an Android shell app with a 4-button dashboard—3 for local HTML5 e-books, 1 for server-validated questionnaire that unlocks 8-hour foreground audio recording with AAC compression (<50MB), WakeLock, real-time save, and zero data loss. Implementation approach: - Build dashboard + HTML viewers, questionnaire with server unlock logic. - Implement foreground service for stable 8hr recording, auto-save, compression. Queries: Server API endpoints? Target Android versions? I'm Webtechnocrats from Indore, passionate Android dev with 7+ years in media services. I'll share my portfolio on your first message. let's nail this!
$950 USD trong 18 ngày
6,9
6,9

Hi there, I have read your project requirement carefully. You need a robust Android dashboard app with HTML5 content access, server-validated workflow, and a highly reliable 8-hour background audio recording system with strict data safety and performance constraints. We can build this using Kotlin + Android Jetpack + Foreground Services + WakeLock, ensuring stable long-duration recording with optimized AAC compression (<50MB target), real-time file writing, and crash-safe persistence. The app will include a clean dashboard UI, secure server validation before unlocking recording, and seamless integration of HTML5 content and web-based questionnaire. We also understand the critical requirement for stability and will provide a POC APK with 1-hour background recording before full development. A few questions to proceed: ====================== Do you have a preferred backend/API for questionnaire validation? Should recordings be stored locally only or uploaded after completion? Any specific Android version/device constraints beyond Android 8+? What is your expected timeline for full delivery after POC approval? Best Regards, Srashtasoft Team
$500 USD trong 7 ngày
7,1
7,1

Hello! As per your project post, you’re looking to build an Android Dashboard App with Informative Content and 8 Hour Background Recording that serves as a central shell application with interactive content, questionnaire validation, and a secure long duration audio recording feature. The goal is to create a stable and production ready Android app that ensures smooth dashboard navigation, reliable questionnaire validation, and uninterrupted 8 hour background recording with strong data safety and compression. My focus will be on delivering a native Android application, featuring: dashboard with four button navigation and local HTML5 ebook integration, web based questionnaire with server validation and recording unlock logic, secure 8 hour background audio recording using foreground services and wakelock, high compression AAC recording under 50MB, real time file writing with auto save and finalize at exact 8 hour mark. I specialize in native Android development using Kotlin, background services, media recording, and performance optimized applications with focus on stability, data safety, and clean architecture. My focus will be on building a robust dashboard and recording system that guarantees uninterrupted recording and secure workflow validation. Let’s connect to review your questionnaire API, HTML content structure, and testing requirements so we can finalize the development roadmap and timeline. Best regards, Nikita Gupta.
$300 USD trong 22 ngày
6,6
6,6

Hi This project requires more than a standard Android app—the real challenge is maintaining a stable long-duration background recording while enforcing server-side validation before unlocking it. I have strong experience with Android development using Kotlin, Foreground Services, WakeLocks, MediaRecorder, and handling long-running background tasks reliably. The biggest risk here is preventing data loss during the 8-hour recording, especially if the app is killed or the device state changes. I can solve this by implementing a resilient recording service with continuous file writing, periodic flushing, lifecycle handling, and exact auto-finalization at the 8-hour mark using AAC compression to meet your size target. I will also build the dashboard with embedded HTML5 content, integrate the questionnaire validation flow via API, and ensure a smooth unlock mechanism. Additionally, I can provide a POC APK demonstrating stable 1-hour background recording as required. And I can help you so on Best Regards, Hercules
$500 USD trong 7 ngày
6,7
6,7

Hello, I have a clear understanding of your project requirements for an Android app that functions as an information dashboard and includes an 8-hour background recording feature. As an experienced Android developer with expertise in PHP, Mobile App Development, Android, and Data Management, I am confident in my ability to deliver a high-quality solution. I plan to create a user-friendly main dashboard with interactive HTML5 files for informative content and a web-based questionnaire. The app will include logic to unlock the 8-hour recording feature only after successful questionnaire submission. My experience with Android Media Services ensures stable background recording and data safety measures. For a glimpse of my previous work, please refer to my portfolio https://www.freelancer.com/u/Curveballsol I am committed to maintaining effective communication throughout the project to ensure its success. Best regards, Curveball Solutions
$600 USD trong 8 ngày
6,4
6,4

Athens, Greece
Phương thức thanh toán đã xác thực
Thành viên từ thg 10 15, 2024
€750-1500 EUR
€250-750 EUR
€250-750 EUR
$30-250 USD
₹600-1500 INR
$10-30 USD
₹1500-12500 INR
₹1500-12500 INR
£250-750 GBP
$20-100 USD
₹750-1250 INR/ giờ
₹1500-12500 INR
₹600-1500 INR/ giờ
₹12500-37500 INR
$10-30 USD
$8-15 AUD/ giờ
$250-1200 USD
₹750-1250 INR/ giờ
₹12500-37500 INR
₹1500-12500 INR
₹37500-75000 INR
$250-750 USD
$250-750 USD