Flutter App Update – Custom In-App Calendar View + Firestore Integration

@jastp

Greetings from Logictrix! My name is Jas, and I am looking forward to discuss about your app in details over the Chat or Call. We have enough app developers available in team so I can assure you to deliver this project at a fairly low cost with great quality and with a commitment for long term support. *** We have now earned 'Expertise' level in AI, ChatGpt and a couple of other AI platforms for App development and other Chatbot work! *** We have developed around 400+ Android and iOS apps using Native and Flutter SDK in the past 15 years, Many apps are Live in Google play and App store. We will share our detailed portfolio over the Chat once we connect. Looking forward to your reply... Thanks and Regards Jas

@AwaisChaudhry

Hello, I understand you want to extend an existing Flutter app with a custom in-app calendar view, connect it to Cloud Firestore, and update existing functions so everything runs smoothly with the new calendar features. I’ll build a clean, reusable calendar widget that fits your UI, map events to Firestore efficiently, and refactor services to keep data in sync with robust error handling and offline-friendly behavior. Delivery will be in small, testable increments with clear notes and quick feedback cycles to suit an ongoing roadmap. 1) What exact Firestore collections and fields should calendar events map to? 2) Do you want multiple calendar views (month, week, day) or a single view? 3) Should the calendar support offline mode and data sync strategies? 4) Any UI/branding constraints or color schemes to follow? 5) Are there any scheduling reminders or notifications to implement? Best regards,

@neerajdhameliya

Hello, I understand your project: you have an existing Flutter mobile app already connected to Firebase. You want to add a custom in-app calendar view, connect it properly to Cloud Firestore, and update current functions so everything works smoothly together. This is an ongoing update project, not a new app. I can help you with this because: => I have built and updated custom calendar views in Flutter many times (using packages like table_calendar, syncfusion_flutter_calendar, or fully custom widgets). => I am very good with Firestore integration, storing events, fetching data in real-time, handling offline support, and syncing with the UI. => I know how to work on existing codebases, fix issues, and make sure new features fit perfectly without breaking old parts. I am excited to continue your app and make the calendar feature strong and user-friendly. I’d love to discuss your app’s current setup and your vision for the calendar feature so we can plan an efficient and smooth integration. Looking forward to your reply! Best regards, Niral

@Julian29

Hi There !! After reading your request, I found it to be rather intriguing. I can provide timely, high-quality assistance for your project as a senior full stack engineer. Let's talk further when we speak over the phone or chat. Awaiting for your positive response. Thanks

@mrresearcher99

Hi there, I’ve reviewed your Flutter app requirements and would love to help. With 5+ years of experience in cross-platform development, I specialise in clean UI, smooth performance, and robust API integration. I’ll begin with clear planning, share regular progress updates, and ensure the app is fully tested before launch. Let’s connect to discuss your vision — I’m ready to get started! Best, Bhargav Flutter Developer | Android & iOS Expert

@kamran2012

Hello, I can continue and update your existing Flutter app, adding a custom in-app calendar view and connecting it seamlessly to Cloud Firestore. I’ll also update existing functions so they work smoothly with the new calendar feature, ensuring reliable data sync and user experience. Since the app is already connected to Firebase, I’ll maintain the current setup, follow best practices, and make sure the updates are fully tested without breaking existing functionality. I have experience in Flutter + Firebase projects and can work efficiently on ongoing updates. Looking forward to discussing further. Regards, Kamran.

@sgrocean37

Hello, I can jump straight into this and extend your existing Flutter app cleanly no rebuild, no disruption. I’ve handled ongoing Flutter updates before, including calendar-based features and tightening existing flows so everything works seamlessly together. I’ll add the custom in-app calendar, connect and sync it properly with your database, and update the current logic so the app remains stable and scalable. I’m comfortable working inside an existing codebase and keeping changes clean and well-documented. If you share repo access and the calendar requirements, I can start immediately and propose a clear update plan and timeline. Sagar P.

@pinkeegupta

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 in Native on Android Java, kotlin and IOS Swift, and For Hybrid Cross platform on Flutter Dart and for web and backend on react js and node js, Python Django, Power BI, Scikit-learn, Data Science AI ML, PyTorch, TensorFlow, SparkML , java spring boot and php CodeIgniter mvc. Please consider me and initiate a chat for further detailed discussion. Regards, Anju

@ixorawebmob

Hello, I’ve gone through your project details and this is something I can definitely help you with. I have 10+ years of experience in mobile and web app development, working with Flutter, Firebase, and Dart. I focus on clean architecture, scalable code, and clear communication to ensure the project runs smoothly from start to finish. Given your need for a custom in-app calendar view and Firestore integration, I will first review your existing app, suggest optimizations, and then proceed with the updates. My goal is to ensure that your app not only integrates smoothly with the new calendar feature but also maintains optimal functionality. Here is my portfolio: https://www.freelancer.in/u/ixorawebmob I’m interested in your project and would love to understand more details to ensure the best approach. Could you clarify: 1️⃣ Do you have specific design preferences for the calendar view? Let’s discuss over chat! Regards, Arpit Jaiswal

@rbtech1984

Hello There!!! ⚜⭐⭐⭐⭐⚜(( Experienced Flutter developer needed to integrate a custom in-app calendar and connect to Cloud Firestore seamlessly! ))⚜⭐⭐⭐⭐⚜ I understand you're looking to enhance your existing Flutter app by adding a custom in-app calendar view and integrating it with Cloud Firestore. This is a great step towards improving user experience and data management, and I’d love to assist in making it happen smoothly. With solid expertise in Flutter and Firebase, I have experience updating existing mobile applications, ensuring new features integrate without disrupting the app’s functionality. I’ve successfully added custom views like calendars and linked them to backend services like Firestore. Key features of the project: Seamless integration of the custom calendar view within the existing app. Connecting and managing data efficiently with Cloud Firestore. Updating current features to ensure smooth functionality with the new calendar. Let’s discuss how I can help with this update and ensure everything runs smoothly. I look forward to chatting soon! Warm Regards, Farhin B.

@nikhilgarg96

Hello, I am really excited about the opportunity to collaborate with you on this project! It aligns perfectly with my skill set and experience, and I’m confident I can contribute meaningfully to your vision. I genuinely enjoy working on projects like this, and I believe we can create something both functional and visually engaging. Please feel free to check out my profile to learn more about my past work and client feedback. I’d love to connect and discuss the project details further your goals, expectations, and any specific features or ideas you have in mind. The more I understand your vision, the better I can bring it to life. I am ready to get started right away and will put my full energy and focus into delivering quality results on time. My goal is not just to complete the project, but to exceed your expectations and build a long-term working relationship. Looking forward to hearing from you soon! With regards! Nikhil

@techplusintl

Hi there, ★★★ Mobile App Development / Google Firebase Expert ★★★ 8+ Years of Experience ★★★ To successfully complete this project, I will follow these key steps: 1. Review the existing Flutter application and its current Firebase integration (5 hours) 2. Design the custom in-app calendar view feature to meet your specifications (8 hours) 3. Implement the calendar view and connect the app to Cloud Firestore (10 hours) 4. Update existing functions to ensure compatibility with the new calendar functionality (5 hours) 5. Conduct thorough testing of the application to ensure seamless functionality (5 hours) What I need from you: 1. Access to the existing Flutter application codebase 2. Detailed specifications for the custom calendar view feature 3. Any design assets or guidelines you want to be followed I look forward to connecting at your convenience to ensure the project's success. Best Regards, TechPlus Team

@trlm0102

Hello, I’m an experienced Flutter developer and this ongoing update project is a strong fit for my background. I’ve worked extensively on existing Flutter apps that were already wired to Firebase and required feature expansion without breaking current functionality. For this project, my approach would be to first review the current codebase, Firebase setup, and data models to ensure the new calendar feature integrates cleanly. I can design and implement a custom in-app calendar view (not just a plugin drop-in) tailored to your UX needs, with clear state management and smooth navigation. I have solid experience connecting Flutter apps to Cloud Firestore, including data modeling, real-time listeners, query optimization, and syncing calendar events with existing app logic. I’ll refactor and update current functions so all workflows remain consistent and performant with the new calendar-driven flow. I prioritize clean, maintainable code, backward compatibility, and thorough testing—especially for edge cases like data sync, offline behavior, and calendar updates. This being an ongoing project is ideal for me, and I’m comfortable continuing development, iterating on features, and supporting future enhancements. Happy to review the app and get started right away. Best regards, MD Aminuzzaman

@abhishek060

Hi, I am an experienced Flutter developer with hands-on expertise in Firebase and Cloud Firestore, and I can seamlessly extend your existing app with a custom in-app calendar while updating current features. I focus on clean integration, stability, and maintainable code for ongoing projects. Can we discuss on chat. Regards Abhishek

@durgesh8527

With over 12 years of experience as a FULL STACK Software Engineer, including considerable expertise in Flutter and Mobile App Development, I am confident that I would be the perfect fit for your app update project. My fluency in Flutter, combined with my understanding of Firestore and Firebase integration will help implement the required custom in-app calendar view without a hitch. Being a meticulous programmer, I approach projects with the goal of hiding any complexity behind a seamless and intuitive user experience - which aligns directly with your project's specification. Drawing from past experiences building scalable technology products, I can assure you an app update that not only adds new functionalities but also maintains the existing ones' performance. Lastly, as someone who takes deadlines seriously, you can expect punctuality and quality in my work. My proven track record in delivering 100% high-quality outputs on time has earned me long-term partnerships with satisfied clients. Let's connect to discuss your app update requirements further

@hasitsolutions

Hi I read your Flutter app update project. I will add custom calendar view and connect to Cloud Firestore keeping existing Firebase setup. First I will build custom calendar using table_calendar package with month week views and event markers. Firestore will sync events real time using stream builder for live updates. I will update existing functions to read write calendar data from Firestore collections. Calendar will show events from your data with tap to add edit delete. Full responsive on all screens with smooth performance. I will test all flows and deploy new build. The work will be done by me on your existing code. Thanks & Regards Abhishek Questions: Event data structure? Firestore collection ready? Repository access method?

@sagarjain4010

Hello I’m Flutter developer and I’d love to help enhance your existing mobile app. I’ve worked on live apps before, adding custom features like in-app calendars, integrating Firebase/Firestore, and improving workflows all without breaking what’s already working. ✅Here’s how I’d handle it:- -Build a calendar view that fits your app’s theme and workflow -Connect it to Cloud Firestore for real-time syncing of events and data -Update existing functions so they work smoothly with the new calendar -Ensure the app runs reliably on both iOS and Android -Keep code clean and maintainable for future updates ✅I’d like to clarify a few things -Do you want the calendar to support recurring events or just single entries? -Should notifications/reminders be integrated for calendar items? -Are there any specific UI/UX requirements for the calendar view? I focus on making features reliable, intuitive, and fast. I’m ready to start immediately and can work closely with you to make sure the update matches your expectations. I’d love to hear more about your current setup and any priorities for the calendar—like recurring events, reminders, or filters so I suggest best solution for you. Looking forward to discuss in details. Best regards, Sagar

@haseebsidd07

Hey , I just went through the project description, and I see you are looking for someone experienced in Google Firebase, Flutter, Mobile App Development and Dart. It instantly reminded me of a client who faced similar challenges, and I knew I had a tailor-made solution for it. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions: • Is there anything else you’d like to add to the project details? • What’s the top hurdle you’re facing with this project? • What is the timeline to get this done? Why Choose Me? 250+ Projects. 5 Years. Zero Misses. My reputation is built on a single metric: Flawless Execution. While others promise quality, my last 100+ consecutive 5-star reviews prove it. I don’t just finish the job; I set the standard. Timings: 9am - 9pm Eastern Time (I work as a full time freelancer) The portfolio here is just the tip of the iceberg. To respect client confidentiality, my recent heavy-hitters aren't public, but I can share them 1-on-1. Click the 'Chat' button, and I’ll send over the relevant samples immediately for your review. Regards, Abdul Haseeb Siddiqui.

@DigitaSyndicate

⚠️You are not looking for a coder. You are looking for someone who can build this properly. That is exactly why your project stood out.⚠️ Your initiative to enhance an existing Flutter app with a custom in-app calendar linked to Cloud Firestore reflects a commitment to intuitive and seamless user experiences — a vision we share at DigitaSyndicate. At DigitaSyndicate, a UK-based digital systems agency, we build precision-engineered automation, modern web platforms, and AI-driven systems designed for performance and long-term scalability. Our approach ensures integrations like Firebase and Firestore remain reliable, streamlined, and future-proof alongside new features. Having recently delivered a Flutter-based mobile solution with complex Firestore synchronization, I’m confident in aligning your ongoing project with your expectations. Can you share your main priorities and timeline so I can map out the right execution plan for you? Casper M. Project Lead | DigitaSyndicate Precision-Built Digital Systems.