Gps tracking server android appεργασίες

I need an Android App developed in Kotlin with XML UI. The app should have a total of 12 screens and should be integrated with 12 APIs. The designs and API is already developed Key Requirements: - Android App Development in Kotlin - Experience building XML UI - Our own API integration - Design for hotel booking Ideal Freelancer: - Experienced Android developer - Proficient in Kotlin and XML UI design - Strong understanding of app design and user experience - Prior experience with adult audience app development is a plus.

I'm in need of an experienced Android app developer to build an app for me. The design and API will be provided, so your primary task will be integrating the two in a seamless, user-friendly app. Key requirements: - I have 18 screens that need to be developed. These have been designed, so you'll be responsible for turning these designs into functional UI. - The app will be having 14 API to integrate in terms of connectivity. - A flight booking system with one way, round way and multicity booking along with seat selection based on the passenger count, if available meal selection. - We have our backend already developed. Ideal Skills: - Android app development - Proficiency in integrating APIs and UI designs - Experience with bas...

...Management. Key Modules Required: - Quotation - Purchase - Project Management - Materials Management - Stock/Inventory - Billing - Accounts - Reports - Project Management - Cost Estimation - Procurement Specific Features for Project Management: - Task Management: The system should allow for easy task assignment and monitoring. - Resource Allocation: It should have a robust system for allocating and tracking resources. Specific Requirements for Cost Estimation: - Integrated Cost Database: The system should have a vast and well-organized cost database. - Calculation Formulas: It should accommodate complex estimation formulas. - Reporting and Analytics: The ability to generate detailed reports and analytics is crucial. Ideal Candidate: - Should have a strong background in PHP d...

I'm in need of an experienced Shopify expert to assist with managing products, inventory, and media within my store. Key Responsibilities: - Efficiently managing product listings, ensuring accuracy, and timely updates - Organizing and optimizing inventory tracking for better stock management - Uploading and managing photos and videos of products in a visually appealing manner I have limited budget for this but I need someone who really knows Shopify in order to connect it to web services via soap API And I need all the products info to appear on the product page videos and photos

I'm in need of an E-school management system web application to streamline the day-to-day operations of our institution. Key Features: - Attendance Tracking: A robust feature for tracking student attendance, notifying parents of any absence. - Gradebook Management: A feature that allows teachers to easily input, manage and share grades with students and parents. - Fees Details: A section for fee details and payment tracking. - Individual Score Cards: A feature for students to view their own performance and progress. Technology Stack: I'm looking for a developer proficient in node.js to design and implement the system. Your expertise in this technology is crucial for the success of this project. Users: The primary users of this system will be students, t...

This requirement is to sell online training to IT Freshers and experienced professionals. Looking for tele callers who can convert the leads in to sales. Work from home Get paid as you sell Attractive incentives Rs. 500/- to 1000/- per sale Sale will on well developed website Valid leads will be given Weekly payments Whatsapp and report tracking Please do call us at - 9606807572 Note - This is " Get paid as you sell" model. No fixed, but attractive incentives for every sale. Thanks, Falcon Training Solutions , Bangalore.

...for my laboratory. The primary aim of this project is to enhance learning experiences through the use of object tracking. Key project elements include: - Object Tracking: The system needs to accurately track laboratory equipment. This is crucial for the interactive learning aspect of the project. - Augmented Reality: The tracked equipment should be overlaid with relevant, educational AR content. - Display Platform: The AR content should be displayed on mobile devices. Skills and Experience: - Expertise in AR Development: Proven experience in developing AR systems, with a focus on interactive learning. - Object Tracking: Proficiency in implementing accurate and reliable object tracking in AR environments. - Mobile Development: Past projects involving mobile AR...

I require a skilled professional to build an Asterix server on a Windows platform. The primary role of this server will be to host a communications web application. Key Responsibilities: -Build an efficient Asterix server on Windows -Make sure it's optimally configured to host a communications application Ideal Skills and Experience: -Experience in building servers on Windows -Understanding of communications application requirements -Proven expertise in handling Asterix servers This is a challenging yet rewarding opportunity, requiring a deep understanding of both Asterix servers and communication applications. Bidders with relevant experience, showcasing their capabilities at managing the requirements, will get preference.

...professional to set up conversion tracking for my website and phone call for my Google ad campaign. The ad has already been created, this project specifically concerns the conversion tracking. - Business Name Setup: The business name needs to be set up according to Google guidelines. I'll provide the specific name for you to configure. - Website Conversion Tracking: I need conversions to be tracked via form submissions on my website. - Phone Call Tracking: Calls from Google Ads are to be tracked to a phone number on my website. Ideal Skills: - Proficient in Google Ad conversion tracking setup - Experience with Google ad guidelines and requirements - Strong understanding of website and phone call tracking - Attention to detail to ensure a...

I require a US-based freelancer to test an Android app. Unfortunately, I missed out on specifying the functionalities, main purpose, and the UI requirements of the app. Your task will mainly involve thorough testing of the app, ensuring it functions as expected in a real-world scenario. Key skills: - Proficiency in Android app testing - Attention to detail - Ability to document issues and feedback clearly - Good communication skills - Understanding of app functionality and UI The ideal candidate will be detail-oriented, communicative, and able to provide thorough feedback. Your location is a key requirement for this project, as the app's functionalities are tailored to the US market.

I need someone to add small feature to my android app.

I'm currently running an Android app written in Kotlin, however, we are facing an issue with our in-app subscription system. I’m getting the error: : lateinit property productDetails has not been initialized. Key Points: - The app runs on Android 10, so familiarity with this version is essential. - The issue is not related to the renewal or status updates, but is an error I'm encountering. Ideal Skills & Requirements: - Proficiency in Kotlin is a must. - Demonstrated experience with Android 10. - Prior experience with in-app subscription systems is a plus. As a freelancer, you'll need to troubleshoot and rectify the issue effectively without causing any collateral damage to the existing system. I'm lookin...

I am 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 platfo...

...a proficient Android developer skilled in Java or Kotlin who can revamp an existing Bangladesh-focused app into a helpful productivity tool. Key requirements include: - Shifting the app's core functionality from its current state to serving as a productivity tool. - Leveraging the current feature set to increase efficiency and user experience. - Offering fresh, creative suggestions for enhancing app usage. Since the specific productivity function and additional features weren't specified, an open-minded approach is required to explore and determine the most impactful features during the development process. Your proposal should include your skills and relevant experience, as well as some initial ideas on how you would transform the app. Prior ...

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, attention to detail, and the ability to work independently are essential. Skills:Mobile App Development, iPhone, Android, Objective C, iPad, Flutter, Cocoa, Kotlin, App Developer

...system that will help me manage and streamline my YouTube channel more effectively. Key responsibilities for this project would include: - Creating a channel - Automating video uploading, thereby saving me time and effort - Enhancing video SEO to ensure maximum visibility - Managing keyword research to increase the chances of my videos being discovered - Implementing a system for analytics tracking to provide me with important data on video performance Ideally, the system should be compatible with YouTube API, Google Sheets and Zapier. This way, it can integrate seamlessly with my existing tools and workflows. Overall, the primary goal of this project is to boost my channel's subscriber count and views. A successful applicant will have experience in YouTube management,...

As a business owner managing my domain hosting on a different server, I am looking for an experienced AWS specialist to help me migrate to AWS. Key Project Details: - My primary purpose for migrating to AWS is to improve my site's performance. As such, I'm looking for a freelancer with demonstrated experience in optimizing and enhancing performance on AWS. Ideal Skills & Experience: - Proficiency in AWS services, particularly Amazon EC2 and Amazon S3 - Experience with server migration, ideally from another hosting provider - Demonstrated ability to improve website performance through cloud services - Strong understanding of security measures associated with AWS - Good communication skills to ensure a smooth transition and understanding of the process Please p...

I'm in need of an experienced Android Developer to help me build 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 functionality is also required.

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

Need an app with Microsoft Power Apps for my IT assessment and management needs. Here’s a high-level outline of how you can set up each of these functions: 1. IT Assessment Portal This portal can be designed to allow technicians to enter and view data regarding client servers, PCs, and other equipment when on-site. Features to Include: • Client Details: Ability to enter and retrieve information about the client, like name, location, contact details. • Equipment Checklist: A dynamic checklist for different types of equipment (servers, PCs, etc.) that technicians can fill out. • Assessment Forms: Forms for entering the condition and performance of each piece of equipment. • Photo Uploads: Capability to upload photos directly from the site. • Rep...

Bliz Beats Music, LLC, a music production company located in southern California, is looking to offload high-ticket sales of our custom music production service offerings (to serious artists looking to take their careers t... (w/ 30 days email marketing) -Top of Sales Funnel: (with 5-minute sales video) -Application: (embedded on website powered by Jotform) -Calendly: (with reminder automation) -Packages/Payment: (for customer review prior to call) -CRM tracking available through ManyChat ___________________________________________ We look forward to reviewing your submissions and collaborating on this huge opportunity!

I'm in search of a skilled AI developer who's proficient in GitHub technologies, particularly for Android applications. I need your expertise to automate human actions within an Android environment, to enhance efficiency and streamline processes. Key requirements include: - Strong understanding of AI, especially image recognition - Proficiency in Natural Language Processing (NLP) for the automation of tasks - Previous experience with creating recommendation systems would be a plus Your experience in implementing AI-driven solutions and the ability to work within an Android environment are crucial. There's no strict deadline for the project, but a timely delivery would be greatly appreciated.

I'm in need of a meticulously created service sticker design that fulfills the triple goal of promoting my brand, enabling easy contact, and tracking service history. -Key Details: 1. Size specifics: The sticker should be designed within an expected dimension of 150mmx150mm, rendering it sufficient visibility. 2. Essential info: It needs to include necessary details like the company logo, contact details (phone, email), service date, mileage, and service description, making it informative and user application friendly. -Required Experience & Skills: The freelancer should have relevant experience in branding and graphic design and proficient in creating engaging sticker designs that evoke brand identity. An understanding of the technical aspect of the services off...

I need a skilled developer to create a custom CRM system for Windows. The CRM should have the following features: - Contact Management: The system should allow me to store, organize, and update contact information. - Sales Tracking: It should help me track sales, sales targets, and performance metrics. - Task Management: The CRM should have a task manager where I can assign tasks and track their progress. Compatibility with Windows is a must. And data security is a priority; the CRM should have role-based access control to ensure only authorized personnel can view and manipulate sensitive data. Ideal skills for this project include experience in Windows software development, CRM system design, and data security management. Strong communication skills and attention to detail are ...

I'm looking for a developer with Cordova expertise to help resolve a specific issue in my Android app. Key Responsibilities: - Troubleshoot and fix the issue of javascript making multiple server requests - Run through the build and identify other potential issues Requirements: - Strong experience with Cordova, especially with versions 10 or newer - Solid understanding of javascript and its behavior in Cordova environment - Ability to navigate and troubleshoot complex app codebases - Familiarity with identifying and resolving app build issues - Excellent communication skills and a collaborative mindset You'll be provided with: - Full access to the app's source code - Any additional information or resources you may need to understand the ...

Eu tenho um tablet Android 9 com uma pasta com PowerPoints e eu queria que essa app de forma automática abrisse esses PowerPoints de forma automática e os apresentasse também de forma automática , quando acabasse a apresentação abria logo o próximo power point, de forma discreta, por exemplo, ficava uma tela preta até que o próximo ficheiro estivesse aberto.

...relevant columns and sources via the API. Your expertise in navigating the intricacies of the Amazon Seller API to extract pertinent data for reporting is crucial. This data MUST be pulled into Microsoft Excel seamlessly and effortlessly. This will enable easy access and manipulation of the data for reporting purposes. The columns of data required, but not limited to are as follows: Order ID, Tracking ID, Product Name, Unit Price, Ship By Date, Deliver By Date, Purchase Date, Ship Date, Payment Method, Fulfillment Methods, ASIN, Quantities, Item Subtotals, Tax Total, Refund Total, Shipping Label, Shipping Cost, Grand Total, Status, Buyer Name, City Name, State, Zip Code, Tax Collection, Tax Responsible, SKU, Condition, Order Item ID, Package Type, Dimensions, Weight,<and a...

I'm seeking a knowledgeable and experienced Microsoft Project Online trainer for my 1-5 team members. The key areas that need attention are: 1. Managing tasks and timelines: We require comprehensive teaching and guidance on handling and scheduling tasks, including setting milestones and managing project schedules. 2. Assigning resources and tracking progress: We need to learn how to assign tasks to resources efficiently and track the progress of those tasks effectively. 3. Reporting and project analytics: A thorough understanding of the essential reporting features of Microsoft Project Online, leading to mastery in generating insightful project analytics, is another must-have. The ideal candidate should have proven experience in using and teaching Microsoft Project ...

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 vid...

I'm looking for a capable freelancer to develop an action-oriented, 'Snake or Worm' type online gaming app for Android. The primary objective of this game is for users to eat and grow. Key Responsibilities: - Design and develop the game with intuitive and engaging controls. - Implement score tracking and leaderboard functionality. - Ensure smooth gameplay without glitches or bugs. Ideal Qualifications: - Strong experience in Android game development. - Proficiency in action-oriented game design. - A keen understanding of score-based gaming mechanics.

...skilled UI/UX developer to revamp my Android mobile app. The redesign will cover all aspects of the app including its layout, navigation, color scheme, branding, and overall user experience. I'm envisioning a minimalist and clean style for the app. Details of the revamp include: - Developing a new color scheme and branding that aligns with a minimalist look and feel - Enhancing the overall user experience to make it more intuitive and user-friendly Ideal candidates will have substantial experience in UI/UX design, specifically for Android apps, and have a solid grasp of Android Material Guidelines and Design principles. I'm open to creative suggestions to give my app a totally fresh makeover. I'm expecting the followin...

I need a proficient Android developer to assist me in designing the User Interface (UI) of my application. This is a small task but it is important to me that the UI is modern and minimalist. Key Skills and Experience: - Proficiency in Android UI design - Experience in creating modern and minimalist designs - Ability to incorporate user-friendly features Please note that the question about responsiveness was skipped, so you may need to clarify with me whether the design needs to be responsive across different devices.

I'm looking for experienced Microsoft Access professionals to handle data entry and management sp...The Access system will focus on: - Handling and managing customer contact details - Storing personal information about customers - Tracking services expiration dates - Time services management The freelancer applying for this project should have prior experience in database design, optimization, reporting and analysis using Microsoft Access. Experience in managing customer-oriented databases would be an added advantage. Your competencies should also include efficient time management and a keen eye for detail to ensure no entry goes amiss. With your skills, you should be able to develop an intuitive and user-friendly Access database that allows seamless tracking and mana...

...history should be recorded and displayed within individual records on the CRM - Complete tracking and reporting capabilities including message delivery status Specific Requirements: - Integration of WhatsApp Business account with our CRM - Campaign management to support customer messaging - Real-time synchronization of WhatsApp conversations within the CRM - Development of comprehensive reporting features for all message activity Ideal Skills and Experience: - Proficiency with CRM integration, particularly in Salesforce, HubSpot, or Zoho CRM - Prior experience working with WhatsApp Business API - Strong understanding of customer messaging strategies - Ability to develop robust reporting and tracking functionalities within a CRM system If you have experience and skills ...

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 buil...

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

I'm looking for a skilled developer to create an Android E-commerce app. The main features I need integrated are: - User Registration and Login: A seamless process for users to create accounts and sign in. - Product Catalog: A comprehensive display of various products for users to browse and choose from. - Shopping Cart: A functionality that enables users to add products to their carts as they shop. - Payment Integration: Integration with Razorpay for secure and convenient payment processing. - Order Tracking: A feature to allow users to track the status of their orders. The ideal candidate should have: - Proficiency in Android app development - Experience with E-commerce app development - Knowledge of integrating payment gateways, specifica...

I need a proficient Android developer to assist me in designing the User Interface (UI) of my application. This is a small task but it is important to me that the UI is modern and minimalist. Key Skills and Experience: - Proficiency in Android UI design - Experience in creating modern and minimalist designs - Ability to incorporate user-friendly features Please note that the question about responsiveness was skipped, so you may need to clarify with me whether the design needs to be responsive across different devices.

I'm looking for an experienced developer to create an Android app and website to effectively manage orders, returns, and payments across multiple marketplaces including Amazon, Flipkart and Meesho. The project should essentially mirror the functionality of Wisdom OMS. Key Features: - Order Tracking: Real-time tracking and monitoring of all incoming and outgoing orders from the aforementioned platforms. - Inventory Management: Integrated inventory system that automatically updates stock levels in response to orders, ensuring accurate and timely management of product availability. - Payment Processing: Smooth and secure payment processing capabilities to facilitate transactions and revenue collection. - Returns Management: Effective returns management system...

- Person detection using yolov7tiny or yolov8tiny, but only detecting one person - Only measuring the x,y,z position of one person. Initially, the person first detects, so when another person moves into the video it should only still measure the first person. - But with a click function, it should be possible to change to a person which we want to measure the x,y,z position and output these values exactly like in the video. - Fully support implementing it on the Client's Jetson nano - It should run smoothly like in the video. So no lags or delays - If it doesn't work smoothly on Jetson Nano then we'll help the client implement it in Windows Reference video Remarks of the client: "When starting the program, it should detect and only measure the first person it sees an...

...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 site and app and all content to be in english, though there...

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 am in need of an Android app that can help me in monitoring the status of my machinery. Key Features: - Real-time status updates: This is the core functionality of the app. It should provide me with real-time information on the current state of my machinery. This can be critical in helping me make informed and timely decisions about my equipment. Ideal Skills and Experience: - Experience in Android development - Proficiency in real-time data integration - Previous work with monitoring applications - Understanding of equipment maintenance systems, while not essential, would be a plus I have attached files of the app for use with android studio. I need someone to make the app work.

I am looking for a professional service provider to develop an Android app for my E-commerce business. Key requirements: - Development: The primary task will be to develop a feature-rich and user-friendly E-commerce mobile application. - Platform: The app must be specifically designed and optimized to work on Android devices. Ideal skills and experience for this job include: - Proven experience in mobile app development, especially for E-commerce. - Expertise in Android development. - Knowledge of UI/UX principles for mobile app design. I am looking forward to your proposals.

I am looking for someone to take screenshots of tracking numbers, which will be made available for you to access through a document upload. Ideal Freelancer: - Proficient in navigating and using computer applications - Proficient in taking high quality screenshots - Good attention to detail The screenshots should be saved in the JPEG format.

I'm in need of an expert server administrator with extensive experience in Plesk to assist with the configuration and troubleshooting of my server. Key Responsibilities: - Server Setup and Configuration: The server is already fully configured, but I'm facing some severe issues. Your role would be to assess the current setup, make necessary adjustments and ensure that the server is running optimally. - Troubleshooting: The primary issue I'm experiencing is a DB query failed: SQLSTATE[HY000]: General error: 1 Can't create/write to file '/var/tmp/#' (Errcode: 2), query was: DESCRIBE `sessions`. Your expertise in diagnosing and resolving such issues will be crucial. Skills and Experience Required: - Proven experience in Plesk ...

I'm currently in need of an experienced Android developer in Bangalore. The project involves a series of tasks for code refactoring, UI and UX enhancements, and general code fixes. Please do not bid if not from Bangalore. Key Tasks: - **Code Refactoring**: The app's current code structure needs to be optimized for performance and error handling. - **UI and UX Enhancements**: I'm looking for a skilled developer who can make improvements in navigation, update color scheme, and enhance the overall user experience. **Ideal Skills:** - Strong experience in Kotlin - Proven track record in Android app development - Proficient in UI/UX design and enhancement - Knowledge of performance optimization techniques - Ability to work collaboratively and communicat...

My Apache Web server is not loading pages, but there are no error messages. I have checked and it is running and accessible. All pages seem to load to the default server page. The pages are running on Apache in Docker containers I need a skilled freelancer to help me resolve this issue. Ideal Skills & Experience: - Proficient with Apache Web servers - Troubleshooting skills - Understanding of server configurations -Work done AnyDesk, no SSH! Paying $15 Please bid if you have relevant experience.

JUST ONE PAGE I need an Android application PAGE that can calculate house bill payments, including electricity, water, and internet bills. The application must be developed in Android Studio. BUDGET IS $30-$50 (Should be ready in 2 days max) Essential Features: - The app should have sections for entering current and previous meter readings for electricity. - A section for entering the tariff rate for electricity. - Similar sections for water - current and previous water usage, along with the water tariff rate. Design: - The design should be user-friendly and intuitive. - The UI/UX should be clear, neat, and easily navigable. Skills and Experience: - Proficiency in Android Studio is a must. - Experience in designing and developing user-friendly applications....

I'm in need of a lightweight CRM application for managing FTP data transfer on Windows and Mac. The app should be around 1.90 kb in size. Here's what I'm looking for: - **File Transfer Tracking**: The app needs to provide real-time updates on the progress of file transfers. It should also maintain logs of completed transfers and notify me of any failed transfers. - **Contact Management**: A key feature of the CRM should be its ability to manage contacts. I should be able to add, edit, and delete contacts. These contacts should be organized into categories or groups. Additionally, I should be able to search and filter contacts based on specific criteria. - **Activity Logging**: The app should have a feature for activity logging. It should record o...