Voice call source code android Jobs

I am looking for an experienced Ionic Developer to fix my app. i have an issue with my app that can't be build to Android SDK 33+. I've tried uninstall some plugin which is end up crashing at splashscreen as it only display a white blank. The job is to make my app can be build to Android SDK 33+ and compatible with lower SDK, no more error, crash and missing current feature i.e running in backround, notification, GPS. You have to make detail documentation on how you do it and what setting did you use, the timeline is 4 days and i'm willing to pay you $120 and that's final offer. And please, APPLY IF YOU UNDERSTAND WELL THE CASE AND WILLING TO BE PAID AS I OFFERED.

I'm in search of a skilled automation tester who has ample experience with Java. My project involves developing a new module that requires comprehensive functional testing. Use Frame work is POM Key Responsibilities: - Implement, design, and create functional test automation frameworks with Java - Thoroughly perform functional testing on new modules Ideal Skills and Experience: - Proficient in Java - Extensive experience in functional testing - Familiarity with Selenium Preference will be given to those who can demonstrate specific experience with using Selenium for automation testing in Java. Remember, quality is crucial. I'm not looking for rushed testing, but a methodical and precise approach. Get in touch. link of implementation :

...PRESENTATION - We need a small AR projecte for the web, that show two options of AR: plane detection and with marker-based tracking, models ans marker image are in url, that i will provide you. - GENERAL FEATURES - Timline 1 or 2 days - With webAR - Adapted to mobiles - It must be done without Unity! - The AR must work whether it is opened from an Android and Apple device - Need the source code - The URLs must be modifiable - PROJECTE SCREENS The projecte will only have 3 screens... - MAIN SCREEN See image "main " - Screen Elements - 1 button to open plane detection screen - 1 button to open marker-based screen - MARKER SCREEN See image "marker "...

...more. Writing clear, concise, and compelling articles, blog posts, and social media content tailored to our audience. Incorporating keywords and SEO best practices to optimize content for search engines. Collaborating with our team to brainstorm ideas and develop content strategies that resonate with our target audience. Ensuring all content is accurate, well-researched, and aligned with our brand voice and style guidelines. Requirements: Proven experience as a content writer in the astrology niche, with a portfolio of published work demonstrating your expertise. Strong understanding of astrological principles, zodiac signs, birth charts, and other related topics. Exceptional writing, editing, and proofreading skills with a keen eye for detail. Ability to meet deadlines and work ...

I'm looking for an experienced game developer to create an engaging adventure game for teens on the Android platform. The ideal candidate will have: - Profound experience in developing successful mobile games, especially in the adventure genre. - A good understanding of what appeals to the teenage demographic. - A portfolio that demonstrates a high level of creativity, design, and execution in mobile game development. - Excellent communication skills to understand and incorporate my vision for the game.

...fictional worlds across various genres. Responsibilities: Collaborate closely with me to understand the project requirements and vision. Develop engaging plots and storylines that captivate readers from start to finish. Create well-rounded characters with depth and complexity. Craft compelling dialogue and descriptive scenes that bring the story to life. Ensure consistency in tone, style, and voice throughout the narrative. Requirements: Proven experience as a fiction ghostwriter, with a portfolio of previous work demonstrating your storytelling abilities. Strong grasp of narrative structure, character development, and world-building. Ability to meet deadlines and deliver high-quality work under tight timelines. Excellent communication skills and willingness to collaborate clo...

...Notification System with Voice alert notification Action Project Overview: We need a skilled developer to create a system that automates Azure alert notifications through voice calls using the Azure Monitoring system. The system should utilize HTTP POST requests to trigger alerts and initiate voice call notifications based on predefined criteria. Requirements- HTTP POST Request Handling: Develop a system to receive HTTP POST requests containing specific data. Extract relevant details from the POST request body to initiate alert notifications. Azure Alert Integration: Integrate with Azure Monitoring to create alert rules based on the received data. Configure alert thresholds and conditions according to project requirements. Voice Call Notifi...

I'm in immediate need of someone who can guide me through the process of publishing my Android app on the Google Play Store. Key Requirements: - **Immediate Assistance:** I require this done as soon as possible. - **Publishing Process Expertise:** You should be well-versed in the process of publishing apps on the Play Store. - **Good Communicator:** A clear communicator who can guide me effectively through each step. The tasks include: - Help with basic tasks like app testing and debugging - Guidance on setting up the Play Store account - Pointers on how to finalize the publishing process This is a personal project, and I'm looking for someone who can provide basic guidance to help me publish my app quickly.

I'm searching for a competent individual who can exp...telephone support. Your role will be vital in maintaining our belief in prioritizing customer satisfaction. Requirements: - Must be native or based in IL - Proven experience in telephone-based customer support - Strong communication and interpersonal skills - Familiarity with Krispt and Google Voice for efficient customer inquiries management Key Responsibilities: - Implementing an effective telephone support system - Handling and resolving customer inquiries promptly - Utilizing Krispt and Google Voice for tracking and managing customer communications Your potential to grow into an office manager role is also an attractive possibility. Enthusiasm, commitment, and excellent customer service skills are the keys to...

Project Overview: We are seeking a freelance writer/editor to: Craft compelling narratives that capture the essence of Costas Seafood Cafe and resonate with our target audience. Edit and proofread existing content to ensure clarity, consistency, and adherence to brand voice and messaging. Collaborate with our team to brainstorm content ideas, develop content strategies, and meet project deadlines. Conduct research on seafood trends, culinary techniques, and local seafood culture to inform content creation. Requirements: Proven experience as a freelance writer/editor, preferably with a background in food, travel, or hospitality. Exceptional writing, editing, and proofreading skills, with a keen eye for detail. Ability to adapt writing style and tone to suit different platforms and...

I'm in need of a skilled content writer to create engaging product descriptions for a digital product I'm developing. Key Responsibilities: - Develop compelling and concise description for a digital product - Ensure the content is SEO-optimized and aligns with the brand's voice Ideal Skills and Experience: - Proven track record in content writing, with a focus on product descriptions. - Understanding of SEO principles and how to implement them in writing - Ability to work autonomously and deliver high-quality content within given deadlines - Experience working with digital products would be a big plus

...working on creating a wordpress website. This website I am creating for my friend Rick. It regards a real-estate company. Rick's company regards rental and will also include selling houses soon. Currently, they have a website build in webflow, but as you now know I am building their new website in wordpress. I am using a theme which I am editing along to their wishes. Rick uploads a property (or lets call it a house) on Pararius CRM Office. Pararius is one of the biggest real estate websites in The Netherlands. Currently, when he uploads the properties on Pararius, the properties are also directly created on his current website. This should be the same function as for the new wordpress website. So when Rick uploads a property on Pararius CRM Office, it should also be posted...

I'm seeking a Voiceflow expert to build a sophisticated Facebook Messenger chatbot that can ...to design, develop, and test the chatbot. - Booking System Familiarity: Experience working with booking systems is highly desirable. - API Integration: A good understanding of how to integrate multiple APIs within a chatbot. Your role will be critical in enabling seamless, accurate booking via the chatbot. Please provide examples of similar projects you've worked on. I have already started the voice flow chat bot, I just need it tweaked and then integrated with our FB messenger and Zendesk. We have an instant quote on the front end of our website and we need the ai to gather all of the information from the customer and then input it into the instant quote on the website to sen...

I'm in need of a skilled video maker to produce engaging promotional videos in English for our 2 products that is ISU...Need 2 videos Key points: - The videos are promotional in nature, thus the focus should be on engaging storytelling, compelling visuals and clear messaging. - High quality video editing skills are a must. Voice-over aspect: - I require an English-speaking voice-over artist for these videos. The voice-over plays a significant role in conveying the message effectively, so the artist should have a professional, clear and engaging voice. Ideal skills: - Proficient in video production and editing tools - Experience in creating long form promotional videos - Experience in English voice-over services Looking for a freelancer who can ...

I've already installed Android Studio in my Windows machine and have been successful with Flutter, but now I'm facing some issues that seem to be causing a hiccup. I've tried various solutions from different forums, including Stack Exchange, but nothing seems to be working. I believe the issue lies with the Flutter SDK path errors and the launching of emulators. Specifically, I'm looking for a professional who can help resolve the following: - Investigate and fix Flutter SDK path errors - Solve the issue with the emulator not launching applications I need someone who's proficient with Android Studio, Flutter, and Dart on Windows, understands the mechanisms behind these tools, and has experience in troubleshooting similar issues. Your ability to co...

I'm seeking a skilled professional to conduct comprehensive testing on my Android app. This job will require the freelancer to verify the app's functionality, performance, user interface, bug identification, and compatibility with different devices. It's important that the freelancer selected has previous experience in app testing, particularly on the Android platform. The ideal candidate should be detail-oriented, have strong problem-solving skills, and be able to provide clear and detailed reports on their findings. Please note that I have not specified which type of testing I'm looking for, so the successful candidate will need to be versatile and able to cover a range of testing types.

I need an experienced PHP developer to fix some issues in our existing code. The main problems are with the Search functionality and the Database Connection. Key responsibilities: - Fixing the broken search functionality - Resolving the database connection issues Your application should demonstrate: - Proven experience in PHP - Understanding of database connections and search functionalities - Good problem-solving skills Please include relevant experience in PHP in your proposal.

I'm seeking an experienced videographer to create a UGC (User Generated Content) video for our car stereo. This video will play a key role in informing our cust...create a UGC (User Generated Content) video for our car stereo. This video will play a key role in informing our customers about the key features of our product. Here's what I need: - Unboxing - Easy Installation Guide - Features Demonstration: Highlight the wireless CarPlay/android auto connectivity, touchscreen interface main features, and front & backup camera. Ideal skills and experiences: - Proven experience in creating UGC videos, ideally for automative, tech-products. product link:

I'm in need of a custom NFC payment gateway hardware that is compatible with Android. It will be integrated into a self-serve restaurant kiosk. The system should be able to handle both contactless card readers and mobile payment options. Key requirements include: - Capable of processing 50-100 transactions per day - Compatible with Android operating system - Supporting both contactless card readers and mobile payment options Ideal candidates should have experience with: - Custom hardware design, particularly in the payment processing field - NFC technology and its integration with Android systems - Understanding of self-serve kiosk systems and the unique requirements involved This project is a great opportunity for someone who is experienced in custom hardwar...

I'm looking to partner with a skilled professional who can help me navigate the landscape of creating a new mobile application. Here's what I need: - Software development - I want to develop a fresh, user-friendly mobile application on both iOS and Android platforms. - IT consulting - I would appreciate strategic guidance on how best to develop, integrate, and implement this application. Ideal candidates will have demonstrated experience in mobile software development and strategic IT consulting. Expertise in app development for iOS and Android platforms is a must. If you're someone who thrives on the challenge of creating new software and relishes the opportunity to provide strategic IT consultancy, this is an opportunity for you.

I am in need of a talented app developer with experience in creating Android applications. The project requires the development of a Satta Matka app - a type of betting app used for gambling - which will include the following features: - Live Results Updates: The app should be able to provide real-time updates on Satta Matka results to users - User Registration and Login: A user registration system is necessary for the app, along with a secure login process to access the features - Betting History Tracking: It's important that the app can keep track of users' betting history The project is focused solely on Android, so the ideal candidate should have expertise in Android app development and be well-versed with Android Studio. Prior experience in creat...

...summaries, news analysis of players and games. The videos should be of medium length (5-10 minutes) and do not require voice-over services. Key responsibilities would include: - Editing and piecing together football game summaries in a compelling and engaging format - Creating news analysis videos that dissect players and games with accuracy - Ensuring the videos are of medium length (5-10 minutes) and do not require voice-over services The ideal candidate should have: - Proven experience in video editing, particularly in the football niche - A strong understanding of football game flow and player dynamics - The ability to create engaging content without the need for voice-over - Strong video editing skills to keep the audience engaged throughout the video - A pas...

I need an experienced 3D Animator, proficient in creating engaging and unique character animations. A comprehensive understanding in the delivery of lengthy (>10 minutes) animation projects is a mandatory skill required for this project. Your creativity should extend to sh...creativity should extend to shaping both environments and movements that strictly match the audio material provided by me, consisting of vocals and voices. Ideal Candidate's Skills: - Proficient in various 3D animation software - Has an outstanding eye for timing, emotion, and charm in character movement - Able to maintain visual consistency irrespective of the duration - Has experience with voice syncing - Has a portfolio of entertaining content Footnote: The intended primary use of the animation is ...

...well-rounded understanding of these platforms is essential, as well as prior experience in social media management and graphic design. Tasks include: - Creating attractive social media graphics to captivate our audience - Designing marketing materials in line with our brand image - Managing our Facebook, Instagram, and LinkedIn accounts, ensuring posts are scheduled consistently and that the brand voice is maintained across all platforms The ultimate goal for our social media presence is three-fold: - Increase brand awareness for our growing audience - Drive traffic to our website - Generate leads that will be converted into valued customers The ideal freelancer for this job would have strong graphic design skills, particularly surrounding Canva, and would have a proven tra...

I'm in need of a proficient developer who can help me enhance my existing Android chat application by integrating an AI chatbot. - For this project, the AI chatbot should be driven by AI responses that are capable of bolstering user interaction within the app. - However, the client hasn't specified the language capabilities of the AI chatbot, presenting a scope for discussion. - The ideal freelancer for this job would need experience in Android development, expertise in AI, and a good understanding of chatbots. Knowledge of machine learning for building AI-driven responses would be greatly appreciated.

...gamer who can create live-action shorts that revolve around PC games. The content should have a dramatic tone in terms of voice-over. The key elements of the project are: - Creation of short video content: The core of the project is to produce engaging and dynamic live-action shorts that are related to PC games. - Voice-over requirement: Your voice-over skills should be strong, with a particular focus on delivering a dramatic tonality. - Gaming expertise: A deep understanding and passion for PC gaming is crucial. Knowledge of popular PC games and the gaming community would be a significant advantage. Ideal candidates should have a background in video production, voice-over work, and a good understanding of the PC gaming world. A flair for creativity and st...

I am looking to establish a reliable and professional ironing and pressing service tailored to busy professionals. Key Requirements: - The primary service offered is ironing and pressing of clothes. - I am specifically targeting busy professionals who value quality and convenience. - I would like the scheduling of pickups and deliveries to take place through phone calls. Ideal Sk...I am specifically targeting busy professionals who value quality and convenience. - I would like the scheduling of pickups and deliveries to take place through phone calls. Ideal Skills and Experience: - Experience in providing high-quality ironing and pressing services. - Understanding of customer needs, especially of busy professionals. - Ability to manage a service-based business with phone call s...

I need a skilled developer to assist me in updating my website's header and footer function. Key Requirements: - Update a code on the back end as the error message I am receiving is "you must call 'the_content' function in the current template in order for elementor to work this page I have updated the Permalinks - this does not work. I have full access to the admin panel of my WordPress site, so you'll be able to make the changes needed directly. Feel free to reach out with any questions or for more information. Please include relevant samples of your previous work with your proposal.

...such as 20 days annual leave and 10 days sick leave per year. - An opportunity to make a significant impact in the digital transformation of the healthcare industry. - A passionate and friendly team who are leaders in their industry and will support and inspire you to reach your full potential. Desirable experience and skills: - Be able to deliver support via email, text chat, phone or a video call. - Able to complete data entry tasks quickly and accurately. - Friendly, patient, able to learn quickly and keen to help customers succeed. - Fluent English. - Strong customer service background ideally in the SaaS space. - Be accountable to KPIs around customer satisfaction and response times and proactively identify ways to improve our customer service. - Be able to work well within...

I'm looking for a skilled Kotlin developer who can modify an existing multiplatform mobile application that run's on both Android and iOS. The app uses Jetpack Compose for the UI elements. Please read the attached document which contains the example screens and sample data required for the change.

I'm in need of a skilled web designer to give my ecommerce website a modern and responsive makeover. The designer must be able to deliver a fresh and easy-to-navigate user i...number of products. Additional features or functionalities were not specified, however, innovation is encouraged. Proposals suggesting interesting functionalities such as product search/filter options, wishlist functionality, or customer reviews/ratings will have an edge. Communication is a key component for the success of this project, therefore, a prerequisite for starting the job is to hop on a call to discuss the project details further. The ideal freelancer should be an expert in web design, with proven experience in ecommerce platforms. Highly creative, responsive and deadline driven individuals...

...significant impact in our industry. We are in search of a freelance Creative Content and Graphic Design Specialist with a knack for producing compelling content and eye-catching designs that resonate with our target audience. Your creativity will play a pivotal role in promoting our brand and services. Key Responsibilities: - Develop original content and graphic designs that align with our brand's voice and goals. - Collaborate closely with our marketing team to create promotional materials. - Produce a wide range of content, including social media graphics, website visuals, and marketing collateral. Ideal Skills and Experience: - Proven experience in content creation and graphic design, with a portfolio to showcase your work. - Proficiency in design software (e.g., Adobe ...

I am seeking a seasoned Android app developer to create a secure payment application that supports credit card transactions. This application needs to prioritize user safety, incorporating advanced security features such as two-factor authentication and biometric authentication. Ideal skills & experience: - Proven experience in Android app development - Understanding of payment gateway integration for credit card processing - Strong knowledge in implementing two-factor authentication and biometric authentication in Android apps - Experience with secure coding practices and encryption techniques to ensure the safekeeping of user's data.

i have a php code from an application working on an external website, i want to inser it on a wordpress page

...e-prescription functionalities, including voice-to-text capabilities. The app must be compatible with iOS, Android, and Web platforms. Key Features: - Video and Text-based Consultations: The app should allow users to consult with healthcare professionals through both video and text. - Prescription Sharing: The app must have a feature that enables users to share prescriptions conveniently. - Voice-to-Text e-Prescription: The app will need to convert voice to text for e-prescribing medicine. Design Requirements: - Minimalistic Design: I'm seeking a simple and clean design that is easy to navigate. Ideal Skills: - Proficiency in app development, particularly in the healthcare sector - Experience with telemedicine and e-prescription functionalities - Und...

Una tienda en linea donde se pueda buscar productos, añadir a un carrito y completar la orden. El usuario debe poder registrarse , visualizar sus ordenes y cambiar sus datos. Un usuario administrador podrá ver una pagina inicial con un resumen de ordenes y ventas(dashboard), mantener productos (agregar o modificar) y agrupar productos en series

I'm looking for an experienced Android developer to create an app that focuses on e-commerce and product management. Key Features: - Social Media Integration: The app needs to connect seamlessly with social media platforms. User Authentication: - The app should have a user authentication system. Users should be able to log in or sign up through their social media accounts. And google account Ideal Skills and Experience: - Proficient in Android development (java) - Experienced in integrating social media APIs. - Familiar with user authentication systems, especially social media login. google login Please include samples of your past work that demonstrate your experience with similar projects in your bid.

I am seeking an Android developer with . The ideal candidate will need to upload my app for a period of just 4 days. Unfortunately, I'm unable to provide specific functionalities of the app at this point, as well as whether backend development will be required. More details will be provided to the selected freelancer. Key Qualifications: - Experience with Android development - Active Google Developer account - Ability to upload and manage apps on Google Play Store - Flexibility, readiness for a short-term project (4 days only) I am looking forward to receiving your bids and starting this unique project. Your role is crucial to the success of this project, so timely delivery is of utmost importance.

Création d'une application pour e-commerce Une boutique en ligne 1 version destinée au b2c 1 version destinée au B2B

I'm in need of a modern logo that reflects my brand identity. My company, called 'The Concrete Code', needs a logo that captures its essence. Key Requirements: - The logo should incorporate shades of blue, grey, and black. - A modern design approach is preferred. - Emphasis on simplicity and clean lines. - please include trade tools etc “screed” - eye catching and easily identifiable as a concreting company Ideal Skills and Experience: - Proficiency in graphic design and logo creation. - Strong understanding of color theory. - Prior experience in creating modern, minimalist designs. - Familiarity with brand identity creation. Your design is crucial to my brand's success - I'm eager to see your creative ideas.

...conversion rates. Key Project Requirements: - A comprehensive redesign of the user interface to significantly improve the overall user experience. - Enhancements to product pages to encourage more customer conversions. - Strategic redesign of call-to-action buttons to optimize the conversion process. Ideal Skills and Experience: - Proven track record of successful UI redesign projects. - Prior experience with ecommerce websites, particularly on WordPress. - A strong understanding of user experience principles. - Expertise in creating effective call-to-action elements. - A keen eye for detail and a creative approach to design. This project is ideal for a designer who is passionate about creating high-quality, user-friendly ecommerce experiences. A successful outcome wil...

For immediate work I need a Delphi programmer who can develop a simple Delphi program that executes an HTTP CALL command according to an existing javascript/HTML program. The solution needs to be in Delphi 10 and without the use of ready-made libraries (unless the programmer can install something free)

I'm looking for a web desig...experience and boost the conversion rate, which is currently less than 1%. Key Focus Areas: - Improving user experience: I want a design that makes it easy and intuitive for visitors to navigate my site. - Enhancing call-to-action elements: The current CTA buttons aren't effective in driving conversions. I need a redesign that encourages visitors to take the desired action. Ideal Candidate: - Proven track record of designing websites that lead to increased conversion rates. - Strong understanding of user experience design principles. - Ability to create compelling call-to-action elements. - Experience with data-driven design decisions. If you have a portfolio that showcases successful website redesigns with a focus on conversion,...

I'm looking for a reliable appointment setter with excellent English skills to assist in booking estimates and jobs for my business. Key Responsibilities: - Answer phone to sell jobs and book appointments - Call leads to book appointments - Respond to emails related to bookings - Ensure smooth management of the appointment setting process Ideal Candidate: - Previous experience in the service trades industry - Strong communication and interpersonal skills - Proficiency in English - Experience with phone and email-based appointment setting - Familiarity with painting services, particularly in dustless popcorn ceiling removal, will be a plus. Please note that this role is specifically for dustless popcorn ceiling removal services, not general painting services. Prior experien...

Hello, My name is Andres, I am a co-founder of a...co-founder of a UK-based SaaS business and I am looking for BRITISH-BORN caucasian professional actor to work on a promotional testimonial video for us (in British English voice). We need you on the video showing your face and talking. We need you to record a video on green screen in a business casual outfit. What we are looking for is an ad in the style of the Arrae with Library ID: 441043065314994 in the below Meta library: If this is of interest to you, we would like to set up a call with you and discuss the details. Looking forward to getting to know you and discuss details. Thanks, Andres

Hi Vipul, we need some additional work done on both apps. It will be fixed price project to add new feature in both our apps. Thanks.

...OK - Status 200 { jwt_token, refresh_token, user{first_name, last_name},global_permission,application_permissions} error messages: USER-DOES-NOT-EXIST - Status 40X { details: ... } USER-IS-LOCKED - Status 40X { details: ... } WRONG-PASSWORD - Status 40X { details: ... } 2. User creation/update - method: POST 3. User permission granting - method: POST 4. Person creation/update - method POST -> Call ID validation API for ID = "DNI" 5. Company provider creation/update- method POST 6. Company provider service category creation/update- method POST 7. Service creation/update- method POST Models: Use attached data model as a base, not mandatory to reproduce AS IS. What is expected: 1. Django application 2. DB performance enhancement scripts. i.e. indexes. The ideal fre...

...entertaining. Newspaper-style writing experience is an advantage, as is a keen awareness of relevance, entertainment, engagement and linking to other articles in our web site. You will be required to create the page using ai to scrape and assemble the data and have it ready at 6am nzt for final sign off. You will be given access to our word press to upload "as a draft" and will need to be available for a call at 6.15 am after the editor reviews nzt, to make changes. We will publish at 7.15 am 6 days but not Saturday. This is a page that is packed full of relevent content about Wellington city and the surrounding suburbs and each week we will feature a different suburb. 90% of our audience are on mobike and 67% are female. You will also be required to create the k...

...perform various tasks including but not limited to customer support, data analysis, and voice recognition. The user interface should be simple and minimalistic for an intuitive user experience. Key requirements for the project: - Development of AI bot for a multi-functional purpose including customer support, data analysis, and voice recognition - Design a simple and minimalistic user interface - Ensure the bot's smooth and efficient performance - Integrate the bot into the desired platform (website, mobile app, or desktop application) Ideal Skills and Experience: - Proven experience in developing AI bots, especially for multiple tasks - Strong understanding of customer support systems, data analysis, and voice recognition technology - UI/UX design skills ...

...cards, signs, or other uses). 3. Home Page Design and Website Structure Development: • Home Page Design: • Create a visually appealing and user-friendly home page that reflects The Encore Project’s brand identity. • Ensure the design is responsive and optimized for various devices, including desktops, tablets, and mobile phones. • Incorporate key elements such as a hero section, call-to-action buttons, featured content, and navigation menus. • Utilize The 7 Theme and Elementor Pro for design implementation. • Website Structure Development: • Develop a clear and logical website structure to enhance user experience and SEO performance. • Organize content into intuitive categories and sub-categories based on o...