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I need a small Android APK that acts as a homescreen-ready widget and pulls data directly from one or more ThingSpeak channels. For this first phase, I only need the Android installer available on the internet because is an open-source application. So I can test performance and usability; if everything meets expectations we will commission a full iOS counterpart later. Core features I must see: • Real-time data display refreshed in near-instant intervals. • Customizable alerts I can set per field or threshold (push or local notification is fine). • Historical data charts that let me scroll through previous hours, days, or a custom date range. Tech flexibility: I am open to Flutter, React Native, Kotlin, or any other modern stack you feel is best for a lean, stable APK. If Flutter or Kotlin keeps the footprint smaller and future iOS parity simpler, that’s a plus. Feel free to integrate AdMob placeholders so I can test how ads might fit in the layout. Deliverables: 1. Signed APK ready to sideload on Android 9+. 2. Source code with clear build instructions. 3. Brief README showing how to point the widget at a new ThingSpeak channel and configure alert conditions. The widget should install, let me input a channel key, then immediately show live values, chart history on tap, and let me set alert thresholds from a simple settings screen. Clean UI/UX and reliable background refresh will be the deciding factors.
Project ID: 40250982
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Active 4 mos ago
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I will build your ThingSpeak Widget with a focus on "Zero-Drain" background sync and near-instant data refresh. Most existing apps are bloated; I will deliver a lean Kotlin/Flutter APK (under 5MB) that handles real-time alerts and high-performance charts natively. Technical Edge: WorkManager Optimization: Reliable updates even in Power Saving mode. MPAndroidChart integration: Smooth, interactive historical data scroll. CI/CD Ready: Clean source code matching your GitLab automation standards. I can have the first signed APK ready for your "Readiness Test" within 48 hours. Should we use Kotlin for the smallest footprint or Flutter for future iOS parity? Best regards, Max
$80 USD in 5 days
0.0
0.0
31 freelancers are bidding on average $167 USD for this job

Hello, Regarding your project i need to discuss features of the app in detail. i am a mobile applications developer and i have more than 8 years of experience developing mobile applications. i have done more than 520+ projects either local or internet based. i am confident i will provide you quality software services on time. Let's chat to proceed.,
$900 USD in 13 days
8.9
8.9

Hi! I can build a lightweight Android APK widget that pulls real-time data from ThingSpeak channels, displays historical charts, and lets you set customizable alerts per field. I’d use Flutter or Kotlin to keep the APK lean, performant, and future-proof for an eventual iOS version, integrating AdMob placeholders for testing. The deliverables will include a signed APK ready to sideload, full source code with build instructions, and a clear README showing how to connect channels and configure alerts. I’ll ensure the widget launches fast, refreshes reliably in the background, and has a clean, user-friendly UI. Looking forward for your positive response in the chatbox. Best Regards, Arbaz M
$140 USD in 2 days
5.2
5.2

Hello, Client. Hope you are doing well. I have been working with Android development in Kotlin, Swift and Flutter. I'll build a homescreen widget that pulls live values from one or more ThingSpeak channels and refreshes in real time within Android widget limits. And I'll add a setup flow to enter the channel key, map fields to tiles, and store settings securely on device. Also I can implement per field alert thresholds with local notifications and background checks plus AdMob placeholders. I am available to share screenshot and can start immediately. Looking forward to solving App development.
$140 USD in 7 days
5.2
5.2

As a seasoned software engineer with over five years of experience, I've built a strong foundation in areas closely tied to your project. I've developed full-stack web applications, desktop applications, and automation scripts. My work on embedded systems and expansive knowledge of microcontrollers align perfectly with your need for a solution targeted at ThingSpeak channels. Moreover, my familiarity with various programming languages including Kotlin and embedded systems tools such as PlatformIO and Microchip MPLAB X makes me adept in delivering efficient and clean code that aligns strongly for future iOS parity. Drawing from my work in cybersecurity, I bring an unwavering dedication to creating secure applications - a crucial aspect considering data is involved in your project. Reduction of potential vulnerabilities through penetration testing, threat analysis, and adherence to security architecture design principles will underpin all aspects of the APK developed for you. Communication is key to any successful partnership. I'm fluent in both English and Arabic, ensuring seamless collaboration. My clients' needs shape my solutions, therefore I'll provide a custom-built application with thorough documentation, testable builds ready for production, and an easy-to-understand README file for future maintainers. Let's combine my technical skills, professionalism, and client-centered vision to bring your ThingSpeak Monitor Widget APK project to life!
$243.33 USD in 2 days
4.6
4.6

Hola, Puedo desarrollar un APK ligero para Android que funcione como widget en la pantalla principal y se conecte a ThingSpeak, mostrando datos en tiempo real con actualización rápida, gráficos históricos al tocar y alertas simples por umbral. Recibirás el APK firmado (Android 9+), el código fuente completo y un breve README con instrucciones para configurar el canal y las alertas. Listo para comenzar de inmediato.
$350 USD in 3 days
4.5
4.5

Hi there, I understand you need an Android APK that functions as a homescreen-ready widget, pulling real-time data from ThingSpeak channels. I have experience in mobile app development using Kotlin and Flutter, which will help create a lean and stable application. My approach will ensure that users can easily input the channel key, set alert thresholds, and access historical charts seamlessly, meeting your usability expectations. I will deliver a signed APK ready for sideloading on Android 9+, complete source code, and a detailed README for configuration. I aim to incorporate AdMob placeholders to test ad integration, enhancing the widget's functionality. We can kick off this project immediately, targeting a timeline of around 7 to 10 days for initial delivery.
$130 USD in 3 days
4.1
4.1

Hi Mate , Good morning! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in Android, Java, Mobile App Development, Flutter, Mobile App Testing, React Native, iPhone and Kotlin. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Feel free to contact us to discuss your project
$155 USD in 5 days
3.9
3.9

Hey — saw your post about building a ThingSpeak monitor widget APK for Android. Getting a homescreen widget to reliably pull and refresh data without killing battery or failing in the background is usually where these projects get tricky. Quick question before I suggest an approach: Do you already have the ThingSpeak channel details and update interval defined, or are you still deciding how frequently the widget should refresh? I’ve worked on lightweight Android widgets that pull live data from APIs before, with a focus on low battery impact and stable background updates. If you share your ThingSpeak channel info or a short spec (fields, layout, refresh needs), I can review it and tell you what’s realistic for your timeline and budget.
$140 USD in 7 days
4.2
4.2

Hi there, We understand you need a lightweight Android APK with a homescreen widget that connects directly to ThingSpeak channels, displays near real-time data, supports customizable threshold alerts, and includes scrollable historical charts with reliable background refresh. SEO Global Team has experience building Android apps and widgets using Kotlin and Flutter, integrating REST APIs like ThingSpeak, implementing background services with WorkManager, local/push notifications, and lightweight charting libraries optimized for performance. Our approach is to build a lean Kotlin-based app (for native widget reliability and smaller footprint), implement periodic background sync with efficient polling, add configurable alert thresholds per field, integrate interactive charts, include optional AdMob placeholders, and deliver a signed APK with documented setup for channel keys and alert rules. Will the widget need to support multiple ThingSpeak channels simultaneously? Do you prefer true push via MQTT/Webhooks or short-interval polling for updates? Best regards, SEO Global Team Aaron
$140 USD in 7 days
3.4
3.4

Hi, I have experience building lightweight Android widgets and real‑time IoT data apps, and I can deliver a fast, stable ThingSpeak widget with live updates and clean UI/UX. I will implement real‑time channel polling, alerts per field, and scrollable historical charts in a compact APK ready to sideload and test. Would you like the widget to support multiple saved ThingSpeak profiles or just a single active channel for this first phase? Thanks, Generoso
$180 USD in 2 days
2.2
2.2

Hi Client, I’ve read your brief and can deliver a lean, homescreen Android widget that pulls real-time values from one or more ThingSpeak channels, shows scrollable historical charts, and supports per-field alerts. I recommend Kotlin or Flutter for a small footprint and smooth background refresh; I’ll prioritize efficient polling/websocket where possible, local notifications for immediate alerts, and an in-widget tap-to-open chart with zoom/scroll and configurable date ranges. I’ll include AdMob placeholders, a simple settings screen to add channel API keys and set thresholds, and a reliable background task using WorkManager (Kotlin) or platform plugins (Flutter). I can provide a signed APK, full source with build instructions, and a short README within the timeline below. For phase 1, which ThingSpeak channel IDs and specific fields/thresholds should I prioritize, and do you prefer push notifications or local alerts? Best regards, Daniel
$155 USD in 5 days
2.2
2.2

Hello, I hope you are doing well. I am an Android-focused developer with a knack for lean, reliable widget and background-data solutions. I design clean, responsive experiences and keep app footprints small, which is ideal for a ThingSpeak monitor that starts up fast and stays efficient on Android 9+. For this project I will implement a homescreen widget that reads one or more ThingSpeak channels, refreshes near-instant data, supports per-field alert thresholds (push or local notifications), and displays historical charts with easy scrolling. I’ll provide a signed APK ready for sideload, plus source code and build instructions. If a lighter Flutter or Kotlin stack is preferred for parity with iOS, I can tailor the deliverables accordingly and even include AdMob placeholders to test layout. I can handle the work end-to-end with a simple setup flow: input a channel key, see live values, tap to view charts, and configure alerts from a compact settings screen. I guarantee a reliable, polished result that ships on time. Best regards, Billy Bryan
$250 USD in 5 days
2.0
2.0

Hey, 5+ years of experience in Flutter, Mobile App Development, React Native, and Android make me the ideal candidate for this project. I've thoroughly reviewed your project requirements and understand the need for a homescreen-ready widget that pulls real-time data from ThingSpeak channels. I will develop a customizable Android APK with features like real-time data display, customizable alerts, and historical data charts. I will ensure a clean UI/UX design, reliable background refresh, and seamless integration of AdMob placeholders. Hope to get in touch to see how we can propel your project forward. Best, ~Stanislav
$140 USD in 7 days
0.6
0.6

Hello, I can deliver what you need. I have read your project description carefully and I understand what you want. I am a skilled freelancer with 5+ years of experience in Flutter, Mobile App Development, React Native and I have completed similar projects. You can visit my profile to check my latest work and recent reviews. If you like my approach, please connect in chat. Warm regards, Vasyl
$140 USD in 7 days
0.0
0.0

HELLO, HOPE YOU ARE DOING WELL! I've read your requirements and understand that you need a small Android APK widget to display real-time and historical data from ThingSpeak channels with alert functionalities and a user-friendly interface. My background in building efficient, custom Android widgets and expertise in integrating real-time APIs make me highly suitable for delivering a reliable, clean, and easily customizable APK as described. I will develop a lean APK that allows channel input, provides live and historical data views, and supports customizable alerts, ensuring clear documentation and simple user setup. AdMob placeholders and smooth background refreshes will be included so you can thoroughly test functionality and performance. I'd like to have a chat with you at least so I can demonstrate my abilities and prove that I'm the best fit for this project. Warm regards, Natan.
$140 USD in 1 day
0.0
0.0

For the Android ThingSpeak Monitor Widget project, would it be fine if I analyze the core features you require, then propose a smart, clear approach for real-time data display, customizable alerts, and historical data charts? So I believe the outcome of this project could result in a user-friendly Android APK that seamlessly integrates with ThingSpeak channels, providing you with real-time data updates, customizable alerts, and easy access to historical data charts for enhanced monitoring capabilities. By the way, could you provide more details on your preferred timeline for testing performance and usability? This information would be helpful in planning the development process effectively.
$200 USD in 2 days
3.3
3.3

Hi there! I can create the Android widget you need to pull data from ThingSpeak channels, ensuring real-time updates, customizable alerts, and historical data charts. With over 10 years in engineering and experience building similar systems, I’m confident I can deliver a product that meets your specifications. I’m open to using Flutter or Kotlin to keep the APK lean and future-proof for iOS. I'm happy to answer any technical questions you might have along the way, and I suggest we start with a small milestone to ensure we’re aligned. I value this collaboration and will treat it with the seriousness it deserves. Let’s get started!
$30 USD in 7 days
0.0
0.0

Hi, I will create a homescreen-ready Android widget that seamlessly pulls data from ThingSpeak channels. My extensive experience with both Flutter and Kotlin allows me to choose the best stack for a lean and stable APK, ensuring a smooth user experience while maintaining a small footprint. The widget will display real-time data with customizable alerts and historical data charts, providing you with a fully functional prototype to evaluate performance and usability. I understand the importance of a clean UI/UX and reliable background refresh for your project. My approach includes immediate implementation of live values and a straightforward settings screen for alert configurations. Integrating AdMob placeholders will also be part of the package, allowing you to test ad placements easily. I'll deliver a signed APK compatible with Android 9+, along with the source code and clear build instructions. A concise README will guide you on configuring the widget for new ThingSpeak channels and setting alert conditions. Let’s get started on this to ensure you have a robust prototype ready for testing. Thank you.
$30 USD in 7 days
0.0
0.0

꧁ ༺ ❤️ hi, ❤️ ༻ ꧂ I can develop a lightweight Android 9+ widget app (Kotlin for native stability or Flutter for future iOS parity) that connects directly to ThingSpeak APIs, displays near-real-time data, and supports threshold-based alerts with reliable background refresh. The widget will allow channel ID/API key input, instantly render live values, open scrollable historical charts (hours/days/custom range), and provide a simple settings screen for alert configuration. Architecture will include efficient caching, WorkManager-based refresh logic, optional AdMob placeholders, and battery-optimized background sync. You’ll receive a signed APK, full source code, and a clear README with build steps and channel/alert configuration instructions. Best regards, Stefan
$140 USD in 7 days
0.0
0.0

✅✅✅✅✅ Only Perfection 100% && Even 99.99% Isn’t Enough For Me. ✅✅✅✅✅ Being a seasoned developer with extensive expertise in both Android and Flutter, I can assure you of an exceptional result on your ThingSpeak Monitor Widget APK project. Recognized for my proficiency in delivering clean architecture and lean code, I firmly believe that Flutter would be an excellent choice for this venture, as it significantly reduces the project size while ensuring future parity with iOS remains simplified. My diverse skill set and comprehensive understanding of modern tech stacks will further enable me to offer a refined UI/UX experience complemented by reliable background refresh. Not only will I provide you with a signed APK ready to sideload on Android 9+ along with the source code's clear build instructions but also include a brief README demonstrating how to easily point the widget to new ThingSpeak channels and configure alert conditions. My primary objective throughout this project is to create a user-friendly application that streamlines your data monitoring process effectively. In Joel, you'll have a dedicated partner who has consistently delivered elegant apps that meet or exceed client expectations. Let's get started and turn your vision into reality!
$55.55 USD in 7 days
0.0
0.0

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