Flutter ios push notification not working jobs
I'm in need of a React Native developer with experience in Laravel for the backend to help me bring my productivity app idea to life. The Admin Is developed with Laravel we need someone with have experience in creating the laravel API and Android and IOS App. Here's an overview of the project requirements: - Multi-Platform Development: The app needs to be developed for both iOS and Android, so experience in developing cross-platform applications is essential. - Backend Development: You'll be responsible for not only the front-end design but also the backend, using Laravel. Experience with this PHP framework is a must. - UI/UX Design: While I haven't got a specific design or wireframe for the app, I do have some ideas that I would like you to hel...
...seeking a proficient app developer to create a mobile application compatible with both iOS and Android. This app's primary function is to efficiently read and summarise large electronic operating manuals for cranes. The language interface and manual summaries should be in English by transferable to any language. Key requirements: - Develop a mobile app for both iOS and Android platforms. - The app should read electronic operating manuals and provide concise summaries pointing users quickly to there desired area of the manual. - English would be the required language for the app interface and manual summaries. Ideal skills and experience: - Extensive experience in mobile app development for both iOS and Android platforms. - Proficiency in creating an app...
...the media playback. - Manual synchronization adjustment option. **3.4 Download and Offline Mode:** - Option to download audio description tracks for offline use **3.7 Accessibility:** - Voice control integration for hands-free operation. - Screen reader compatibility. - High-contrast mode for users with partial vision. **4. Technical Requirements** **4.1 Platform and Devices:** - Available on iOS (version 11 and up) and Android (version 6.0 and up). **7. Compliance** - Adherence to ADA (Americans with Disabilities Act) and WCAG (Web Content Accessibility Guidelines) standards. This requirement document serves as a blueprint for developing a mobile application catering to the needs of visually impaired users, providing them with an enriched and accessible experience of vis...
Job Title: I am looking for a expert mobile app developer Job Description: Looking to get some quotes on creating an app for me. Ideal candidates for this project should have experience in developing user-friendly mobile applications, particularly for information sharing purposes. Strong skills in UX/UI design will be a big plus. Strong problem-solving skills,...creating an app for me. Ideal candidates for this project should have experience in developing user-friendly mobile applications, particularly for information sharing purposes. Strong skills in UX/UI design will be a big plus. Strong problem-solving skills, attention to detail, and the ability to work independently are essential. Skills:Mobile App Development, iPhone, Android, Objective C, iPad, Flutter, Cocoa, Kotlin, App...
I'm looking for a skilled iOS developer to create a covert monitoring application for iOS. This application should be able to work in the background without the user's knowledge and perform various monitoring tasks. Some of the key features that I require are: - Remote access to the target device - Keylogging - Screen recording - Call recordings - Listening to live microphone feed The ideal developer for this project should have experience in creating similar monitoring applications and a solid understanding of iOS security and privacy standards. In terms of data privacy and security, I want to ensure that the application follows best practices. This includes: - Data encryption - Secure server communication Additionally, I would like the user interface ...
I'm in need of an experienced Android Developer to help me build an APK application. The application ...an APK application. The application will have the following features: - User Authentication: Users should be able to sign up and log in into their accounts. - Push Notifications: The app should be able to send appropriate in-app notifications to users. - Offline Capabilities: Users should be able to access previously downloaded or cached content offline. The main purpose of this application is to provide entertainment through streaming video content. The ideal candidate should have experience in developing entertainment apps with video streaming capabilities. A strong understanding of Android development, user authentication, push notifications, and offline functiona...
I am looking for someone who can develop a mobile application for betting between players, where we can add games to the app such as 8 Ball Pool, poker games, and other games so that a player can play for money against another person with the same goal. The requirements are: 1. Developing the application 2. Finding a way to connect players so that if they play a game like 8 Ball Pool, the player can find someone in the same game who also wants to play for money through this new application 3. A secure payment method that is guaranteed for me as the app owner and at the same time guaranteed for the participating player 4. Other ideas for the app which we can discuss together
The objective of this project is to address issues related to Facebook login functionality within our iOS mobile application. Currently, users are experiencing difficulties logging in via Facebook authentication. The project involves diagnosing the root cause of the problem and implementing necessary fixes to ensure seamless and reliable Facebook login experience for users. Key Tasks: Diagnosis of Existing Issues: Conduct thorough testing and analysis to identify the specific issues causing the Facebook login failure on the iOS app. Review Facebook SDK Integration: Evaluate the integration of Facebook SDK within the iOS app to ensure compliance with the latest SDK version and best practices. Address Authentication Errors: Implement necessary changes to resolve au...
...Mechanics and Features: - Implement a procedurally generated system for enemy waves to ensure each playthrough is unique and offers varying challenges. - Introduce scaling difficulty that dynamically adjusts to the player's skill level, providing a continuously engaging experience. - Include endless mode-specific features such as leaderboards, milestones, or rewards that motivate players to push their limits and strive for higher scores. - Design gameplay loops that encourage players to strategize, adapt, and optimize their tactics to survive as long as possible against the relentless zombie waves. 3. Character Development and Customization: - Create a progression system that allows players to unlock new abilities, upgrades, and customization options as they ...
Project Description: We're developing "Climate Companion," an innovative mobile app designed to empower individuals and communities to take meaningful action on climate change. The initial focus will be on building the Android version of the app, with future expansion to iOS. This app will leverage Google's Gemini AI to provide personalized climate insights, actionable recommendations, and foster community engagement. We're looking for an Android developer with expertise in: Android SDK: Proficiency in building Android apps using Java/Kotlin and the Android SDK. API Integration: Experience integrating with RESTful APIs, specifically the Gemini API, and handling JSON data.
I'm looking for someone who has recent experience with App Store In-App Purchases to help me monetize a new app in a quick, easy and simple way. I'm a novice coder and have done it before, but it's been about 3 years. I'm interested in $.99/mo subscription feature, utilizing Apple's Trial feature (if they even have that) and basically an easy way to block certain pages or features. Maybe even a way to add a simple Credits system where we can sell content (or access to content) easily for like 1 credit per content item.
I need an OpenScad expert to create a 3D model for me. It's intended for 3D printing, so the final output should be ready for this purpose. NEED IT DONE IN AROUND 12 HOURS
I need an iOS educational application developed. The core objective of this app is to facilitate better learning and task management. Key requirements and experience needed: Key Requirements: - Strong proficiency in iOS development - Prior experience in educational apps is preferred - Task management functionality within the app - Intuitive UI/UX design that caters to all age groups - Must follow Apple's App Store review guidelines Ideal Experience: - iOS app development - Integrated task management system - Building educational apps - Expertise in UI/UX design Creating a seamless and impactful learning experience is the ultimate goal of this project. The goal of the app is to bring small business together with investors to see how investors can improve or inv...
If ...knack for crafting magical user experiences? Do you excel in native iOS and Android? Core Project Requirements: • Dual platform functionality with seamless integration and user interface on both iOS and Android. • Productivity centered functionalities to enhance workflow, time management and task prioritization. Ideal Freelancer: • Proven experience in both iOS and Android app development is a necessity. • Prior work in development of productivity apps would be favourably considered. • Strong UI/UX skills for delivering an intuitive usability experience. We're on a quest to transform complex needs into seamless, user-friendly apps, and we need a wizard like you. Your role will involve conjuring up code that not onl...
The task involves integrating a machine learning model, specifically in the ONNX format, into a Flutter application to enable text classification into five categories based on user descriptions. This requires the development of a custom Flutter plugin that facilitates communication between Flutter's Dart code and native code on both Android and iOS platforms. The plugin will utilize the ONNX Runtime to handle the loading and execution of the model, with the Flutter application calling this plugin to process and classify text inputs. (My budget is no more than 30 euros but i will habe 3 models on the same application if you are successful so please do not waste both of our time if you dont have time or dont agree with the budget.)
...mobile and web applications, particularly in the psychology or mental health sector. Key Features: - User Registration and Profile Creation: The app should allow users to create accounts and set up their profiles. - Search and Filter for Therapists: A user-friendly search functionality should be implemented to help users find therapists that meet their specific needs. The app should be designed for iOS, Android, and Web platforms, therefore the candidate should be proficient in developing for these platforms. Experience with building secure and reliable messaging systems, video calling functionalities, and user authentication is highly desired. The ultimate goal of this app is to provide a safe and reliable platform for users to seek professional help, so the app should be de...
I am seeking an expert in Excel, OneDrive and email notifications who can develop an automated system for me. This system needs to: - Monitor a specific Excel file within my OneDrive for business for cell value changes. - When changes occur, the system should not send an individual notification for each. Instead, it should group updates together. - These grouped updates should then be sent as a single email to a preselected set of recipients at a specific time interval. - Crucially, the email should not only contain the updated cell values but also their previous values, enabling recipients to easily compare old and new data. Only experienced Excel and OneDrive professionals should apply, preferably with a background in automated data notifications. Familiarity with h...
I'm seeking a media buyer with experience in e-mail marketing and Facebook ads to push the growth of our health and wellness company. Key Deliverables: - Increase in Sales: A prime goal is to boost our sales through the email marketing and Facebook ads campaign. - Brand Awareness Growth: We are looking to establish and grow our brand awareness in the market. - Increased Website Traffic: More traffic to our website is also a key objective. Target Audience: - Parents: This campaign is primarily aimed at parents. - Individuals in need of health and wellness services: We are especially keen on reaching those aged between 16-28 years. Timeframe: - The ideal candidate will be able to work with us for 3 months. Ideal Skills and Experience: - Proficient in e-mail marketing and Face...
Build Scalable, Responsive and Dynamic website, and mobile app (iOS and android): Key requirement from developers: • Looking for a team of qualified developers with knowledge of all the functionalities required for this project • Must have expertise in building website as well as android and iOS apps • The scope of the work may increase as we learn more about the users of the website. • Please send your price quotations with detail of language/tools you will use and the timeframe you will need to complete this project. Functionalities to build: • Book meeting function that automatically check calendars of team members and shows available slots to external users to make booking with our experts - Admin can sync several calendars (of team member/exper...
I'm in need of an experienced developer to create a cross-platform application and website that offers video chat functionalities similar to the Chamet app. Key Requirements: - Development for both iOS and Android platforms. - Implementation of one-on-one private sessions and public live streams capabilities. - A user-friendly and engaging interface that encourages users to interact seamlessly. Ideal Skills & Experience: - Proficiency in cross-platform app development. - Previous experience with video chat app development. - Strong understanding of in-app user interaction and engagement. - Good knowledge of security and privacy standards in communication apps. If you have the skills and experience to deliver a high-quality, user-friendly video chat application, I would...
...on your website. Use plugins to integrate live streaming and recordings directly onto your site. Interactive Case Studies Tool: Custom development or platforms like Genially. Implementation: Develop detailed case studies with interactive elements such as clickable sections, videos, and infographics to illustrate outcomes and processes. Augmented Reality (AR) Tours Tool: AR platforms like ARKit (iOS) or ARCore (Android). Implementation: Work with developers to create an AR tour of your office. Provide a link or QR code Interactive Features Implementation for Rashid's Law Firm Website on your website that visitors can scan to access the tour. Interactive Legal Tools Tool: Custom development, or use platforms like DocuSign for document generation. Implementation: Develop tools ...
I'm in search of a skilled Flutter developer to assist with my startup project. Specifically, I need help with Flutter development to add additional logic to our running Chrome extension and Flutterflow. Requirements: - Intermediate level of experience with Flutter - Ability to assist with the development of the project - Willingness to work on repetitive tasks I expect to communicate updates and provide feedback through video calls, so please be comfortable with this mode of communication. If you're interested and your rate is less than $5 per hour, I'd love to hear from you.
I need a skilled app developer to create a social networking platform for both iOS and Android. The app's primary focus is on user profiles, so proficiency in creating engaging and interactive user interfaces is crucial. Key Features: - The app will have user profiles as the core feature, enabling users to create and customize their profiles, connect with others, and engage in social interactions. - Aesthetically pleasing UI/UX design is essential to ensure a user-friendly experience. - Cross-platform development experience will be a huge plus, as I need the app to run seamlessly on both iOS and Android devices. - As we will be handling user data, experience with data security and privacy protocols is highly appreciated. - Any prior experience with social networking app...
I have a React Native Expo app that is connected to Supabase Auth and DB. The problem is that when the app is initially launched, the loading screen shows up but the data is not fetched. However, if I close the app and open it again, the data is successfully fetched. This issue is happening on both iOS and Android platforms. MUST JUMP ON ZOOM CALL SCREEN SHARE TO FIX ISSUE - The issue is only seen during the initial app launch - Specific logic for data fetching on app launch is implemented using useEffect hooks I need a React Native expert who can identify the root cause of this issue and provide a fix. The ideal candidate should have: - Strong experience with React Native - Prior experience with Supabase or similar databases - A deep understanding of useEffect hooks and ...
I'm looking for an experienced Wordpress developer to help me set up a new website. Key requirements: - Develop a fully functional real estate website - the template is allready bought, just need a developer to push website online with demo content
We are seeking a reputable and experienced company to develop a hybrid application for an appointment booking system that will be available on Web, Android, and iOS platforms. The system will include a reward point mechanism that allows users to earn and redeem points for products or cash withdrawals via bank transfer. The admin console for managing the system should be developed in PHP Laravel. Project Requirements: User Interface: Web Application: Responsive design, compatible with all major browsers. Mobile Application: Hybrid app compatible with both Android and iOS. User-friendly interface: Intuitive design for easy navigation and booking. Appointment Booking System: User registration and login. Profile ma...
I'm seeking a professional to create an insulation drawing for my Medical device that is currently at the production stage. Key requirements: - Create an insulation drawing for a simple circuit with DC power source, in accordance with IEC 60601 standard - Device has 1 DC motor, 2 9V batteries, 1 Resistor, 1 Limit switch, 1 Push activation button and 1 LED. - Experience in designing insulation for medical devices is a must - Understanding of safety requirements and regulations for medical device insulation Please note that as my machine is at the production stage, the deliverable should be ready for immediate implementation into the manufacturing process. Skills and Experience: - Proficiency with insulation drawing for medical devices - Strong knowledge of IEC 60601 stand...
I'm in need of an expert app developer who can create a mobile app for both iOS and Android platforms, as well as a web app. This project is primarily focused on implementing a rich set of functionalities around profile, timeline and messaging. Key Points: - A comprehensive profile management system is key, including features like photo gallery, about section, and particularly highlighting skills and experience. - The timeline function should be user-friendly and engaging, supporting news feed and updates. - Messaging and communication features must be seamless and interactive, ensuring a smooth user experience. Ideal Skills: - Proven experience in developing multi-platform mobile apps, preferably with a strong portfolio to showcase. - Proficiency in building user-friendly, s...
I'm in need of an experienced app developer, particularly those well-versed in iOS, to create an AI Calorie Counter app. It should be capable of recognizing different foods, tracking their calorie content, and assisting with meal planning. Similar to this app: Fastic
...include timeline functionality, enabling users to post and interact with content in a structured manner. Additional Features: - User authentication is a top priority. Security is key for the app, so users' personal information and data should be thoroughly protected. - Social media integration is essential. The app should allow users to connect their profiles to popular social media platforms. - Push notifications are important for keeping users engaged with the platform. When it comes to messaging or timeline activities, they should be promptly informed. The ideal candidate should possess a deep understanding of mobile app development, with a portfolio that demonstrates their ability to create engaging, user-friendly apps. Experience with creating server-side logic, ensur...
I am currently dealing with a troublesome iCloud activation lock on my iPhone. Unfortunately, I don't have access to the Apple ID or password that's linked to this ...activation lock on my iPhone. Unfortunately, I don't have access to the Apple ID or password that's linked to this lock. On my own, I've attempted a few online methods to dismantle this lock, but none have been successful. I'm seeking a freelancer who has: • Expertise in iOS systems • Proven experience in iCloud activation lock removals • Ability to troubleshoot and resolve Apple ID issues This project will be considered successful upon removal of the iCloud activation lock in a manner that leaves the device in full working order. Your understanding of Apple'...
I'm in need of a Swift programmer to give my existing iOS gaming app a fresh breath of life. This entails: - Adding new levels and challenges to the gameplay, thus enhancing the user engagement and experience. A potential candidate ideally has: - Extensive experience in developing and improving gaming apps, particularly in Swift - A strong understanding and creativity in designing engaging levels and challenges - A proven track record in delivering projects on time and to a high standard. By taking on this project, you are ensuring an improvement in user engagement and overall satisfaction with the game. Your creativity and programming skills can make a great impact here.
As an app owner, I need a skilled Flutter developer who can immediately delve into my project and fix some functional errors that have been causing some issues in my application. Key Requirements: - Must have excellent problem-solving skills - Extensive experience in Flutter development and bug-fixing is essential - Ability to work quickly and efficiently Responsibilities Include: - Identifying the cause of the functional errors - Implementing efficient solutions to fix these issues - Ensuring the fixes do not create additional issues in the app I need these issues addressed as soon as possible so ideally, I'm looking for someone who can start right away. This is a crucial aspect of the project and I look forward to working with the right professional.
I am looking for a talented iOS developer to create an app that can accurately measure the size of windows. The main features I need are: - **Precise Measurements**: The app should be able to measure the size of a window down to the millimeter. Accuracy is crucial for the success of this project. - **Save Measurements**: It should have a feature to save a history of measurements. This function is important for users who need to keep track of window sizes over time. - **Sharing Results**: The app should allow users to share their results via social media or email. This feature will enhance the app's usability and make it more user-friendly. Ideal candidate should have: - Proven experience in iOS app development, particularly with measurement and data storage features. -...
...to outsource the development of the website and mobile apps for a product in the haircutting industry. Currently looking to build an MVP App iOS + Android Register Login (email) Database to include Images and text Search, book and pay for an appointment Calendar function Settings page Website Register Login Schedule Staff management Settings page More detailed information on the particular systems and paper designs will be provided upon the commissioning of the project. Descriptions and commissioning will be for MVP but there is further development planned, if the development of the first phase is successful. A plan for post launch support is not required but it would be helpful in discussion (presumably to be charged separately on an ongoing basis). Development of ...
I'm looking for an expert in .Net 8 Blazor to enhance our RIS (Radiology Information System) application with several new features, specifically focusing on workflow automation. Key Features to Add: - Workflow Automation: This includes automating the patient registration and check-in process, radiology order entry and tracking, as well as results distribution and notification. Ideal Candidate: - Proficient with .Net 8 Blazor framework - Experienced with Radiology Information Systems - Skilled in workflow automation - Capable of building secure and scalable systems - Understanding of healthcare industry regulations and standards If you have the expertise and experience in these areas, please reach out to discuss this exciting project!
I'm looking for a skilled app developer who can create a cross-platform simple event booking app using Flutter. The app needs to be available on both iOS and Android platforms. Key Features: - User Registration and Profiles: Users should be able to create accounts and manage their profiles. - Event Listing and Booking: The app should allow users to search, view details and book events. - In-App Payment System: A secure payment system should be integrated within the app for users to purchase event tickets. Reference website: ( This is the reference website but will change few things that I explain in the video) For better understanding please see the video: I will give you all
I require a Flutter developer who can convert 60 screens from Figma to Flutter. Key Requirements: - Figma to Flutter Conversion: The primary task will be to convert the 60 Figma screens to Flutter screens. This involves ensuring that the UI is consistent with the original design. - Quality Assurance: Ensuring the converted screens function as intended and are responsive across different devices. Ideal Skills and Experience: - Proficient in Flutter: You should have a strong understanding of Flutter and be able to convert Figma designs effectively. - UI/UX Expertise: An eye for design and understanding of user experience principles will be crucial in maintaining the fidelity of the original Figma designs. - All API's are ready.
I'm seeking an experienced developer to create a real-time app tailored for both mobile (iOS and Android) and web platforms. Key features should include: - Real-time chat and video call capabilities - Fully integrated payment system The payment integration should encompass: - A smooth in-app purchase experience for users Ideal skills for this job include: - Expertise in iOS and Android development - Proficiency in real-time functionalities - Proven experience in integrating a chat/videocall feature - Solid knowledge of in-app payment systems. This project is based on a revenue share model. Instead of a fixed payment, we offer a 10% share of the revenue generated by the platform.
I'm looking for a unique app that can help me with a specific need. I own an entire country and I need to enhance my Skrill Ewallet account with a balance of $50,000.00NZD. Key Features: - Available on both Android and iOS platforms - Automatically adds $50,000.00NZD to my Skrill Ewallet account when I make a deposit - The app should have a distinctive visual style, predominantly using the colors magenta, white, and black Ideal Skills and Experience: - Proficiency in app development for Android and iOS - Experience developing financial apps or working with payment gateways - Ability to create engaging and visually appealing user interfaces - Understanding of security protocols to ensure the safety of the app and the user's financial details Please note t...
We have a requirement for a OTT platform with complete setup with Website, Android, iOS, Admin & Server setup. We required everything in ready position like other OTT app.
I'm in need of a skilled UX/UI designer to help develop the interface for a health application. The project will involve designing for iOS, Android, and web browsers, so experience in cross-platform design is a must. See for the moment we need - application for , , , See video - Key Features: - Personalized profiles: The application will need to accommodate user information and preferences in a clear and user-friendly way. - Tracking and monitoring: The application should offer intuitive ways for users to track and monitor their health data. - Reminders and notifications: The design
I'm a beginner in Flutter and my goal is to build an E-commerce mobile app. I'm looking for a skilled Flutter developer who can guide me through the learning process and help me build a fully functional E-commerce app. Key requirements include: - Teaching Flutter from the basics and guiding through the learning curve - Assisting in the development of a mobile E-commerce app - Ensuring the app is well-structured, user-friendly and scalable Ideal Skills & Experience: - Proven experience in Flutter development, with demonstrable projects - Excellent understanding of E-commerce app development and design - Ability to explain complex concepts in a simple, understandable manner - Strong communication skills and a patient, teaching-oriented approach
I need a UI designer to create a Figma structure for both a website and an app. Key Requirements: - Light color scheme: I prefer a color scheme that includes white and pastel colors - Platforms: The app should be for Both iOS and Android - Urgency: I need this project completed ASAP. Ideal Candidate: - Proficient in Figma - Experience designing UI for both websites and mobile apps - Strong understanding of color usage and schemes - Capable of quick turnaround without compromising quality. Your role will be to design an intuitive and visually appealing interface for an event ticket booking service. I look forward to seeing your portfolio and understanding how you can bring my vision to life.
I'm in need of a cross-platform mobile application that caters to the car rental industry. Here are my requirements: - **Cross-Platform Compatibility:** The app should be developed for both iOS and Android platforms, ensuring broad accessibility to potential users. - **User Registration and Login:** A feature to facilitate user onboarding, allowing them to create accounts and sign in securely. - **Property Search:** An integral part of this app is the ability for users to search for available cars to rent. - **Messaging and Chat:** A mechanism to enable communication between renters and car owners or between different users, if applicable. Ideal candidates for this project should have experience in developing cross-platform applications and have a solid understanding of the c...
I'm looking for a Flutter developer to help me create a mobile application to accompany my existing web app. The mobile app will need to target both iOS and Android platforms. Key Features: - The app should incorporate user authentication features to ensure data security and privacy. - I also need push notifications to keep users engaged and informed about updates, offers, and other relevant information. In terms of design, we'll be following the existing design and color scheme of the web app, but optimized for mobile use. Your role will involve not only the technical implementation, but also ensuring the app is user-friendly and provides a smooth experience. Ideal Skills and Experience: - Proficiency in Flutter development, with a stron...
I'm looking for a seasoned professional project manager who has developed social networking video sharing apps. The app should be compatible with both iOS and Android platforms. The professional must have developed at least 3 to 5 social networking video sharing app. You must be able to share the app link. If it is confidential and you cant show me your previous work, plesae do not bid. Key Features Required: - Live Streaming: This feature will be central to the app's entertainment aspect. Users should be able to stream live video content seamlessly. - Video Editing Tools: Users should have the ability to edit their videos within the app. This feature is crucial for enhancing the quality and creativity of the shared content. - Social Media Integration: The app sho...
I require an experienced mobile app developer to create a cross-platform app. Some details: - I want the app to be compatible with both iOS and Android platforms. - The primary aim of the app is to facilitate the management of an apartment. Ideal Skills and Experience: - Cross-platform mobile app development experience. - Proficiency in iOS and Android app development. - Previous experience in developing property management apps will be a plus.
I am in need of a skilled iOS developer to build a real-time location sharing app. The app should make use of the significantLocationUpdate/kCLLocationAccuracyBestForNavigation feature for high accuracy location tracking within a few meters. Key requirements include: - Real-time Location Sharing: The app should facilitate real-time location sharing among users, updating their locations at specific intervals. I'm looking for a professional who has: - Strong experience in iOS app development, particularly in working with location sharing and tracking features. - Familiarity with significantLocationUpdate/kCLLocationAccuracyBestForNavigation feature. The ideal developer for this project should be able to deliver a app that efficiently shares and updates user loca...
