Flex camera iosJobb

I need a professional to connect my OAK PoE camera with a Raspberry Pi 5. I have the camera working perfectly fine on my DELL computer. However, I'm unable to use the camera with my Raspberry Pi 5. This is what I've done so far. 1. I first installed the pip3 and Python 3 Virtual Environment by running. - sudo apt install -y python3-pip python3-virtualenv 2. I then created and activated the Virtual Environment by running. - python3 -m venv projectsenv - source projectsenv/bin/activate 3. Then I installed opencv while inside the virtual environment - pip3 install opencv-contrib-python 4. After that I installed the depthai dependencies for Linux (still in the environment) - sudo wget -qO- | bash 5. Then I installed depthai (still in the

I need a professional to connect my OAK PoE camera with a Raspberry Pi 5. I have the camera working perfectly fine on my DELL computer. However, I'm unable to use the camera with my Raspberry Pi 5. This is what I've done so far. 1. I first installed the pip3 and Python 3 Virtual Environment by running. - sudo apt install -y python3-pip python3-virtualenv 2. I then created and activated the Virtual Environment by running. - python3 -m venv projectsenv - source projectsenv/bin/activate 3. Then I installed opencv while inside the virtual environment - pip3 install opencv-contrib-python 4. After that I installed the depthai dependencies for Linux (still in the environment) - sudo wget -qO- | bash 5. Then I installed depthai (still in the

I am looking for a skilled professional to design a compact camera system that will be inserted into a 3" tube for the purpose of examining welds. This device is crucial for quality control purposes in our manufacturing process and will play a significant role in ensuring the integrity of our products. Key Features: - High Resolution: The camera should provide crisp, clear images for detailed inspection of the welds. - Wide Field of View: A broad visual range is essential for comprehensive surveillance of the welds. - Image and Video Capability: The camera must be capable of capturing both images and video footage to ensure we can thoroughly analyze the welds. As stated, the camera should be able to operate on either battery power or a plug-in power suppl...

...specifically for our company. The app should be compatible with both Android and iOS, in addition to a Laravel website which uses the same admin panel. Requirements: - Develop a hybrid app for Android, iOS, and Laravel website - Enable user registration and login - Implement a job posting feature - Integrate real-time notifications Key Points: - The app should have a seamless user experience across all platforms. - You have the creative freedom to suggest the design as I don't have specific requirements. - The app's functionality should be consistent and smooth, especially for job posting and user interaction. Skills and Experience: - Proven expertise in hybrid app development - Strong background in Android, iOS, and Laravel - Previous experience in jo...

I'm searching for a seasoned full stack mobile application developer to create a highly functional mobile app. This application will be developed for both Android and iOS platforms. Key Features: - User Application: This will allow users to register and scan QR codes to obtain queue numbers. - Admin Application: This console will be used to call customers and manage respective details. Additional Attributes: - The user app will need integration for Push notifications, Location tracking, and Social media platforms. Ideal Skills: - Full Stack Mobile App Development - QR Code Integration - Real-Time Notifications Integration - Strong knowledge in Geo-Location features - Social Media APIs Experience with these features, particularly within queue-management systems, w...

I'm looking for a skilled app developer to create a cross-platform (iOS and Android) app. The primary goal of the app is to provide information. Key Features: - A user-friendly, intuitive design that makes accessing and browsing information easy and engaging. - Implement a login feature that allows for quick access to the app without requiring user registration.( Only for initial phase later there is a need of registration also for paid course) Ideal Skills: - Proficiency in cross-platform development, with experience in both iOS and Android. - Strong UI/UX design skills to ensure the app is intuitive and visually appealing. - Familiarity with implementing secure login systems. Experience in developing similar information-providing apps would be a bonus, as would...

I'm in need of a unique, serious-toned video for personal use. The footage will involve you punching and stomping a pillow on a bed. Here's what I expect: - The video should be filmed in a serious, non-humorous manner. This isn't a comedy sketch but a sincere display of pillow punching and stomping. - Wear...non-humorous manner. This isn't a comedy sketch but a sincere display of pillow punching and stomping. - Wear casual clothes for this. No need for gym or formal outfits. - It's a plus if you have prior experience in creating similar videos. Ideally, your skills will include: - Ability to project a serious tone throughout the footage. - Creativity to make the video engaging. - Comfort in front of the camera. - Basic video editing skills to ensure the f...

I want to create a Calculator File locker app, similar to the ones already available (on codecanyon) and in play store. The app must work in both Android and iOS

I am looking for remote support that can take plans of stores along with pictures and videos and identify the ideal locations for the CCTV cameras to go. Prior experience and an understanding of the industry would be helpful but we will also be providing training.

I am in need of an experienced iOS/Android developer with website development knowledge to create an information sharing platform. Our target audience are parents and the main purpose of the platform is to provide attendance notifications Key Requirements: - The platform needs to cater to both app and website users, with user accounts and profiles enabled on both. - Ease of use and parents-friendly interface is crucial to make the platform engaging and accessible to its target audience. Note: I already have the website. probably needs a small change for the push notification Ideal Skills: - Proficiency in iOS and Android app development - Strong understanding of website development - Experience in creating user accounts and profiles on both apps and websites - Familiarity ...

My Arlo Pro 5 security camera has unfortunately suffered accidental damage, resulting in scratches around the lens. This has not impacted the camera's image quality and performance. I'm seeking a professional who can either replace the damaged patt of the camera or somehow fill in and disguise the scratches. Key Requirements: - Expertise in repairing Arlo Pro 5 security cameras. - Proficiency in replacing camera lenses without affecting the device's functionality. - Previous experience handling accidental damage on cameras and ensuring quality

I'm seeking an experienced app developer who can assist me in making several key changes to my existing mobile application. It's currently available on both iOS and Android, and I need the following enhancements: - Add new features: I want to introduce fresh, innovative functionalities to the app to improve user experience and increase its utility. - Improve app performance: The app should run more efficiently and smoothly. Enhancements could include faster loading times, smoother animations, and better overall responsiveness. - Changing text: I need to modify the text content within the app, ensuring consistency and accuracy across both platforms. The ideal candidate should have significant experience in cross-platform app development, a strong grasp of UI/UX design, an...

I need a Flutter application that evaluates the vital state of vehicle tires using visual analysis and machine learning. Key Features: - The app should be compatible with both iOS and Android platforms - It should assess the condition of tires through: - Visual analysis - Machine learning algorithms I'm seeking a professional with experience in building applications with Flutter and integrating artificial intelligence. The ideal freelancer should be familiar with: - Image processing techniques - Machine learning algorithms - Developing for iOS and Android Overall, the goal is to create a user-friendly app that can provide accurate and reliable assessments of tire conditions.

I'm seeking an experienced developer to convert my existing Laravel website into a mobile app with a web view. Key Requirements: - Create a mobile app that mirrors the functionality of my current website - Integrate a web view that is compatible with both iOS and Android devices - The mobile app should have a responsive design that adapts well to different screen sizes - Ensure that the app is user-friendly and optimised for mobile use Note: - Please showcase your past work, especially in creating web views for existing websites. - Knowledge of Laravel is a plus, but not mandatory. The main goal of this project is to increase my website's accessibility by having a mobile app version. Please provide a portfolio of your past work, particularly in mobile app development...

We're looking for a developer to add functionality to a Swift library Here's an explanation of what we need to do. We need to add this functionality (), to this Flutter package in the iOS part (), because we need to export the result of VNDocumentCameraViewController as a PDF with the text printed on it. Do you think you could do it, and how long would it take ? Please put it in your bid

I am seeking a developer with intermediate level experience IOS Swift. The task will be to help me get the example code working from the documentation at This is my first time working with IOS and the docs leave out some of the implementation. For example, in this code there is not map function, only "..." Bids under £70 only please. ``` var totalUsageByCategory: [ActivityCategory:TimeInterval] totalUsageByCategory = (…) ```

As a transport company, I'm looking to develop a comprehensive mobile and desktop web app that will assist my drivers in pinpointing destinations with a high degree of accuracy. This positioning feature should be as precise as three meters. This app should be available on both iOS and Android platforms, and should include the following key features: - **Real-Time Tracking:** The app needs to have GPS tracking capabilities that enable real-time tracking of our drivers. This is essential for ensuring efficient route management and dispatching, and monitoring driver performance. - **Driver Communication:** The app should also include a driver-to-driver messaging feature. This will allow for better fleet coordination and communication, and foster a sense of team collaboration amo...

In this project we need to remake the app (which is in React Native) in Flutter, in order to monetize with Yandex ads.

...integration. The project involves creating a Wishfy lookalike app for both Android and iOS platforms. Key Features: - User Registration & Login: The app should allow users to register and login securely. - Product Browsing & Searching: Implement a user-friendly interface for browsing and searching products. - Wishlist Management: Users should have the ability to create and manage their wishlists. Firebase Integration: - Authentication: Implement Firebase authentication for secure user onboarding. - Firestore Database: Utilize Firestore for efficient data storage and retrieval. The ideal candidate for this project should possess: - Proven experience in developing Flutter apps for both Android and iOS platforms. - Strong understanding of Firebase services, partic...

...experienced iOS app developer who can create a modern e-commerce application for my business. The app should be designed with a modern theme in mind. The main features that we need included in the app are: - Product catalog: The app should be able to display our products in an engaging and user-friendly way. - Shopping cart: Users should be able to add and remove items to their cart as they browse through the app. - Payment gateway: The app should have a secure and reliable payment gateway that supports various payment methods. The ideal freelancer for this job should have: - Extensive experience in developing iOS applications, especially e-commerce apps. - A strong understanding of user experience and modern design principles. - Proficiency in integrating payment gate...

I'm in need of a skilled Flutter and Node.js developer to create a comprehensive mobile/web application. The project is for a Health and Wealth app, which will be a combined solution, focusing on offering diverse features to users. Key Requirements: - Proficiency in Flutter and Node.js to ensure the app is seamlessly functional across Android, iOS, and web platforms. - Prior experience in developing user authentication, push notification and real-time updates features is essential. - Ability to implement these features in a way that is intuitive, visually appealing and user-friendly. - Capability to build a combined app with distinct sections for health and wealth management. The ideal candidate for this project will have a strong portfolio demonstrating similar projects ...

...4. Set the detection clip video file format to MP4 and ensure all playback functionalities are working 5. Ensure all MP4 video file clips are copied to a Network Attached Storage device (NAS) once a day at midnight and are properly tagged with Client ID, camera ID and Timestamp 6. Create an http request link, that can be used as an external trigger to the camera, as per the idea in this link , the suggested http request link is as follows: http://[BIServerIP]:[Port]/admin?trigger&camera=[ShortCamName]&user=[BIUserName]&pw=[BIPassword - Urgency: Need this done within a month, so promptness and dedication are paramount. - Ideal Skills and Experience: • Extensive knowledge and experience with setting up and running CCTV systems, specifically

...as line of business, key executives' name, etc. • Take pictures of the subject company and its vicinity, as per Confirmis’ standard operating guidelines. • Provide observation about the company to gauge activeness, e.g., staff working at the premise, loading/unloading of goods, etc. REQUIREMENTS: • Must be living in (or nearby) San Fernando, Trinidad and Tobago • Has a camera or phone/tablet of quality with a camera, internet access Please see the attached file for the site visit guideline. You are only required to deliver the pictures, video & observations and are not expected to put together a report like the Sample Report. Note: Milestone will be released the following week after the site visit to give us time to organize the ...

I'm in need of a talented Marketing Specialist to create a promotional video for our local laundry delivery service, with a focus on highlighting both the convenience and time-saving aspects of our offer Key tasks include: - Showing a balance between the over...customer service - Incorporating genuine customer testimonials to showcase experiences and loyalty Ideal Candidate: - Based in Riyadh - Experience in video production and marketing - Ability to capture and convey the convenience and time-saving qualities of our service - Skills in conducting and integrating real customer interviews into the promotional video. This project offers the opportunity to flex your creative muscles by producing a video that encapsulates the essence of our brand and the benefits we provide to...

...line of business, key executives' name, etc. • Take pictures of the subject company and its vicinity, as per Confirmis’ standard operating guidelines. • Provide observation about the company to gauge activeness, e.g., staff working at the premise, loading/unloading of goods, etc. REQUIREMENTS: • Must be living in (or nearby) San Fabian, Pangasinan, Philippines • Has a camera or phone/tablet of quality with a camera, internet access Please see the attached file for the site visit guideline. You are only required to deliver the pictures, video & observations and are not expected to put together a report like the Sample Report. Note: Milestone will be released the following week after the site visit to give us time to organize the r...

We are in search of a specialist with expertise in developing mobile apps for both iOS and Android platforms. Our company specializes in automated trading software, and we require a mobile application for our customers to access their profiles and trading results. Key information: -web-based version already exist -we need to mirror web version in mobile APP -in-app notifications would by new essential addition -Graphical files and branding assets are already available. -both android and iOS Thank you for considering our request.

I'm seeking an experienced app developer capable of creating an information sharing application for both iOS and Android systems. The primary aim of the app surrounds the exchange and access of information. A key requirement is the incorporation of specific features such as: - User reviews: App users should be able to leave and view reviews. - Product search: To facilitate easy information access, the app should house a well-optimized product search feature. An ideal candidate should have extensive experience in both iOS and Android app development, with a focus on creating user-friendly interfaces and robust search functions. A familiarity with integrating user review systems would be beneficial. These combined skills will contribute dramatically towards creating a...

I need an experienced developer to incorporate a "to-do" function within an existing iOS and Android Firebase chat application. The requirements are as follows: - Must work seamlessly on both iOS and Android platforms. - A design for the feature has already been prepared, which needs to be precisely implemented. - The feature should enable users to add and manage single tasks. The ideal candidate should have experience with Firebase, iOS and Android development, and a history of integrating new features into existing apps. Understanding user interface design would be a plus, to accurately implement the planned design.

We have a functional web site created using HTML/CSS/JavaScript, and now we need it to be converted into mobile apps for both Android and iOS. Key Points: - You'll be responsible for wrapping our existing web site for mobile use.

I'm in need of a proficient mobile app developer with a strong understanding of both iOS and Android platforms. Key functionalities to include: - Integration with Google, Apple, and Facebook for seamless login experience. The ideal candidate should have: - Previous experience in creating and integrating social media logins on a mobile app. - Proven expertise in both iOS and Android app development. - Experience with e-commerce features would be a bonus. The end goal is to create a user-friendly app with easy social interaction capabilities, including secure login options through popular social media platforms. Your specialist knowledge will be pivotal in achieving this.

I am looking for a mid-level QA Tester from India, with experience in both mobile and web applications. The ideal candidate for the job should have: - Experience in testing iOS and Android platforms, as well as web portals - Capable of performing functional and design testing - Proficient in testing user registration, login/authentication, and other functionalities as per the logic - Ability to carry out thorough functionality testing as per the given requirements - Ability to report bugs and issues in the Google Spreadsheet with proper description and snapshots Please note that mid-level experience is a must for this role. The chosen candidate is expected to ensure the quality and performance of our mobile app and web portal.

I'm looking for a skilled app developer to create a social networking app like a dating site for both iOS and Android platforms where people can connect , chat and video call randomly but it must be paid for the users. Key Requirements: - The app will primarily serve as a social networking platform. - User profiles should be fully customizable. This means users should be able to edit and personalize their profiles to reflect their individuality. Ideal Skills and Experience: - Proven experience in developing social networking applications is highly desirable. - Strong proficiency in both iOS and Android app development is essential. - Prior experience implementing fully customizable user profiles is a big plus. - A keen eye for user experience (UX) and user interface ...

I'm seeking an experienced iOS app developer to assist with bug fixes and future feature implementation on my existing application. Key Responsibilities: - Addressing UI/UX, performance, and functional issues that may arise. - Implementing new features based on provided specifications. Ideal Freelancer: - Proven track record of iOS app development. - Proficiency in Swift and Xcode. - Experience with bug tracking tools. - Ability to translate user feedback into actionable development tasks. Please include your experience in your application.

I'm in need of a skilled Flutter developer with experience in integrating GraphQL. The project involves building a customer-centric app compatible with iOS, Android, and Web platforms. Your primary tasks will include implementing a Model-View-Controller (MVC) structure, ensuring smooth user authentication, push notification, and in-app purchase features. Key Requirements: - Proficiency in Flutter and its ecosystem - Proven experience with GraphQL integration - Ability to develop custom UI/UX designs - Understanding of MVC architecture and its implementation in Flutter - Previous experience with user authentication, push notifications, and in-app purchases Your previous work should demonstrate your ability to create efficient, bug-free, and user-friendly apps. The ideal candi...

I'm looking for a skilled mobile app developer to create a cross-platform e-commerce app targeting both iOS and Android devices. Key Requirements: - Development for both iOS and Android platforms. - An e-commerce app, geared towards seamless and secure transactions. -Include 1 main app and 1 for admin and 1 for delivery.

...with dedicated brand websites. We are seeking a proficient developer to undertake this project on a contractual basis. Project Overview: The project entails the development of an e-commerce website for TTArtisan, focusing on providing a seamless shopping experience for our customers in India. The website will serve as a dedicated platform for showcasing and selling TTArtisan products, including camera accessories and lenses. While we already have parent websites, we aim to build brand-specific sites to implement tailored strategies and enhance brand visibility. Scope of Work: The chosen developer will be responsible for various aspects of website development, including but not limited to: Theme suggestions and customization: Proposing and implementing visually appealing and use...

I'm searching for a proficient .NET developer to design and build an MRZ scanning plugin for Windows utilizing the device camera. The plugin must be able to handle the following documents: - Passports - ID Cards - Emirates ID Card (National ID of United Arab Emirates) No specific MRZ scanning library is currently preferred, so I welcome any suggestions. Ideal skills and experience for the job: - Proficiency in .NET language - Experience working with MRZ scanning plugins - Familiarity with different types of ID documents - Ability to integrate this plugin into Windows systems successfully - Experience with device camera utilization - Strong understanding of MRZ data extraction I am anticipating a product that efficiently captures the MRZ data from the aforementioned ...

I'm in need of an expert to help me transfer my WhatsApp chat history from an Android device to my new iPhone. Key Requirements: - Transfer WhatsApp chat history from an Android device to an iPhone - Reliability and quality, keeping in mind the importance of the data Ideal Skills: - Proficiency in both iOS and Android systems - Experience with WhatsApp data transfer - Understanding of encryption standards Note: Preserving chat encryption is not a priority in this case.

PLEASE READ before bidding. I'm in need of a skilled React Native developer to help me design and build a social networking app. The app should be compatible with both iOS and Android operating systems. Expected no of screens to be developed: 25 Key Requirements: - Extensive experience with React Native - Previous work on social networking apps - Proficiency in both iOS and Android platforms The app's primary function is to facilitate social networking, so it should be built with user engagement in mind. I aim for it to be a seamless, intuitive and user-friendly environment for social interaction. Backend APIs are developed using Django. Those will be provided. Job in scope 1. Design the UI 2. Develop the front end Your bid must include 1. Examples of past pro...

...you are located elsewhere, you must be able to work with us when needed from 1 PM to 12 AM (New York - ET). Individuals seeking this position should only apply and sales reps or business development reps should not apply. We are only seeking to work with one to three people maximum and agencies should not apply. Key Responsibilities: Design and develop a user-friendly mobile application for iOS and Android platforms. Implement AI and NLP (Natural Language Processing) features for online interaction with users with future development for offline interactions. Integrate selective caching for offline access to critical conversation threads. Work with RESTful APIs for server-side features and NMEA (National Marine Electronics Association) data integration. Develop and manage a ...

I'm seeking an experienced app developer for a project. The task is to create an app on the iOS platform using xCode. This unique application will allow users to send short voice notes to their friends via the internet, with the ability for these notes to be played through notifications. Key Features: - The app needs to have an ability to send voice notes, with a maximum duration of less than 1 minute. - Upon receiving, the voice note can be played automatically or manually based on user settings in the app. Ideal Skills: - Extensive experience with iOS development and xCode is a necessity for this project. - Experience with online communication features, such as voice note sending/receiving, will be highly beneficial. - Knowledge in user-interface design to i...

I'm looking for a skilled software developer to assist with the creation of an educational mobile app. This app will primarily focus on delivering interactive quizzes to users. Here's what I'm expecting: - Development of an iOS/Android compatible app. - Incorporation of a diverse range of fun, engaging, and interactive quizzes. - Creation of an intuitive, user-friendly interface that ensures ease of navigation for users of all ages. The ideal candidate for this project would have extensive experience in mobile software development, particularly iOS and Android platforms. A background in educational software or gamification will be highly regarded. Your ability to adhere to deadlines strictly and provide consistent updates is a must-have. I'm eagerly anti...

...criteria: * License: Must be Creative Commons licensed. * Visuals: - Full face visible, speaking directly to the camera; the rest of the body can be included. - Only one person in the shot and speaking throughout the entire video (no cuts to other people). * Quality: High definition (HD or better), not grainy. * Editing: Minimal editing; should be a single take (intro and fade out are acceptable). * Audio: Clear speech; background noise or music is okay if it does not overpower the speech. * Occlusions: No obstructions, such as hands or microphones, in front of the face. * Emotion: Videos displaying significant emotional expression are preferred. * Camera Work: Minor zooming or panning is acceptable; must maintain only one person in frame. * Length: No spe...

I am looking for an experienced React Native developer who can develop a functional driver app for both iOS and Android platforms. I already have UI screens, however, are open to guidelines and suggestions. The Primary function of the app would be easing the driving processes. Here's what I'm aiming for: - Operational across both: iOS and Android platforms - Integration with GPS tracking for precise navigation - Real-time notification capability - Streamlined payment processing The ideal developer for this project should have: - Proven experience in React Native Development - Proficiency in working with both iOS and Android platforms - Excellent understanding of GPS integration and real-time notifications - Ability to work with provided UI screens and enh...

------------------- I'm in need of a highly skilled developer well-versed in Swift and Kotlin to optimize the backend of my existing mobile apps. The project is simple. Here's what I need in detail: 1. Backend adjustments: You'll work on polishing a few features and functions of the mobile apps. Please see attached, and disregard Point 5 under Mobile App Requirements. Android is in Kotlin, and iOS is in Swift. DISREGARD POINT 5. 2. Admin Panel redesign: Use the designs of the updated Admin Panel to replace the old Admin Panel, migrating certain features from the old Admin Panel, implementing a data exporting feature, and work functional designs. Designs may be shared after receipt of NDA. The Admin Panel is in Drupal/Acquia, ----------------------------------------...

I need a robust e-commerce platform that would function on a website, Android, and iOS. This platform will be specifically tuned to selling services. Key features required include: - A shopping cart for collecting services before purchase. - User review functionality to allow customers to rate and review services. - Integration with a payment gateway for secure and easy transactions. - Schedule functionality to allow customers to book services at specific times. Ideal candidates for this project should have significant experience in building e-commerce platforms, especially those focused on service sales. Strong knowledge and experience with both Android and iOS app development is crucial, as is expertise in payment gateway integration and the creation of rating systems. Fa...

I'm urgently seeking a Flutter developer who can help bring my app idea to life. The project is for both Android and iOS. Key Features: - User login and registration system: Users will be able to create accounts and log in securely, we already have an api for that. - Push notifications: I need transactional notifications to be sent to users. These will include updates on orders and account activity. - Frontend Development: I have the design for the app ready. Your responsibility would be to translate this design into a functional frontend. - API Integration: The app needs to be connected to our existing API (Django rest framework). This is crucial for the app's functionality. Ideal Skills and Experience: - Proficient in Django: Our API I need someone who has solid experi...

I'm in need of a professional photographer with a traditional style for a small pre-wedding engagement, happening in a month's time in San Ramon, CA. Key Responsibilities: - Capture the special moments like ring exchange and speeches - Take group photos with specific people as requested Ideal Skills: - Camera proficiency - Understanding of lighting, composition and framing - People skills for engaging with attendees - Must be a pro at traditional photography One month from now, you'll be part of a loving celebration, and your work will help us remember this special day for years to come.

I'm in need of an experienced Flutter developer to complete a full-cycle project for an app - from UI design to development, testing, and debugging. The app will be a payment gateway integrated, cross-platform product, hence ideal for someone with experience in these areas. Key Requirements: - Proficiency in Flutter to create a smooth and efficient cross-platform app for Android and iOS. - Strong UI/UX design skills to ensure the app is easy to navigate and aesthetically pleasing. - Experience in testing and debugging to deliver a polished, high-quality product.

I am looking for a mobile app specialist who is fluent in Portuguese and skilled in developing apps for both iOS and Android platforms. The main purpose of this mobile app is to offer a matching service in a specific field. Ideal Skills and Experience Required: - Expertise in iOS and Android app development and publish - Expertise in flutter - Proficiency in Portuguese - Experience building service-oriented apps The app's primary function will be to match users based on specific criteria. A clear understanding of matching-based platforms is essential for this project. Potential freelancers should be confident and ready to contribute innovative ideas for the functionality and user interface of the app.