Gps android mysql jobs

I'm currently facing a Forbidden error in my Laravel project that's connected to a MySQL database. I'm looking for a skilled developer to troubleshoot and resolve this issue, and potentially optimize the database connections for a smoother performance. Key tasks: - Troubleshoot the Forbidden error in my Laravel project - Review and potentially modify the existing database connections - Ensure that the database connections are optimized for performance The ideal candidate will have: - Strong experience with Laravel framework - Proficient in MySQL database management - Proven track record in troubleshooting and resolving similar issues

I’m looking for a proficient developer with deep knowledge of Android Studio and Google Firebase to design a dynamic app for me. The exact purpose of the app is yet to be determined, but rest assured, your responsibility will include implementing user login and data fetching features. Ideal Skills: - Expertise in Android Studio and Google Firebase. - Strong understanding of user authentication and data retrieval techniques. Running on a flexible timeline, I am keen to get started on the development as soon as feasible. However, missing data regarding the type of data to be fetched and the purpose of the app will be clarified as we move forward.

...application for tourism is needed. The app will be available on both iOS and Android platforms and will be designed in a minimalistic style. Key Features: - Map Navigation: Users should be able to use the app as a navigational aid. - Tourist Attractions: The app must provide information about various local tourist attractions. - Customer Reviews: Users will need to have the option to read and write reviews of these attractions. - Customer Participation: Additionally, a provision should be made to allow customers to add new attractions. Ideal Skills: - Developers should have expertise in iOS and Android app development. - Knowledge and experience in creating minimalistic designs are necessary. - Experience dealing with GPS and map integration. - Unders...

Make an Android app which can be installed on customer phone(new/old) and if customer defaults EMI payments, I can lock customers' phone remotely.

Want to developed an astro app and website in cheap

We are a web development company looking to expand our team. We need someone highly skilled in PHP and MySQL. Our work primarily involves custom projects, and occasionally WordPress. Currently, we have a job ready to start using the BigCommerce platform. This project requires code customization, assistance with connecting to shipping, and more. Thank you.

I need help migrating my Joomla-based website, which currently features a Currency Converter, to a new hosting server. Key Requirements: - Mig...migrating my Joomla-based website, which currently features a Currency Converter, to a new hosting server. Key Requirements: - Migrate the entire website (including the Currency Converter feature) from the existing server to a new one. - Ensure that the Currency Converter functionality remains intact and fully operational post-migration. Ideal Skills and Experience: - Proficiency in Joomla, PHP, and MySQL. - Prior experience with migrating websites, particularly those with dynamic features like Currency Converters, would be beneficial. - Strong attention to detail to ensure all components of the website are correctly transferred and op...

I am in need of an Android automation expert who is proficient in MacroDroid to help me automate actions within a specific app. Key Requirements: - Automating app actions: The task involves automating complex and advanced actions within an app. This includes extracting data from the app and setting up conditional actions based on the app's content. Please note that this is not a simple open/close app task, but rather more complex interactions within the app itself. Ideal Skills and Experience: - Prior experience with MacroDroid or other automation tools for Android. - Strong understanding of Android app behavior and the ability to extract relevant data. - Experience with setting up conditional actions and advanced automation scenarios. - Ability to problem-sol...

...iOS and Android, and it will require the following features: - User Authentication: A secure and user-friendly login system that can protect user data and provide a personalized experience. - Push Notifications: A system that can send real-time notifications to users, helping them stay engaged with the app. - In-App Purchases: A reliable payment system integrated into the app for users to make purchases seamlessly. - Live Stream: A feature that allows users to view live video streams directly within the app. - Post: A feature that enables users to create posts and interact with them. - Chat: A chat functionality to facilitate real-time communication between users. Ideally, you should have previous experience in Flutter app development and UI design, especially for iOS and An...

Project Description: Mobile Application for Inventory Management Objective: Develop a Minimum Viable Product (MVP) of an Android application for inventory management and tracking using GPS and Bluetooth beacons. Technology: Flutter Key Requirements The Application -------------------------- - The app should primarily be developed in Flutter. However, since a Foreground service is required to run indefinitely in the background, it is acceptable to create this service in Kotlin or Java. Communication between Flutter and the native code should be done via Platform Channels (MethodChannel and EventChannel). User Interface ----------------------- The app should have three main screens: - Splash Screen: Displays the app logo. - Login Screen: User authentication with username...

I'm looking for a skilled Flutter developer to create a app for both iOS and Android platforms. Key Requirements: - Develop a complete social networking app for iOS and Android using Flutter - Implement a user-friendly interface with engaging design - Ensure compatibility with both iOS and Android platforms - Ability to integrate user authentication, push notifications, and potentially in-app purchases Ideal Skills: - Proficiency in Flutter for cross-platform mobile app development - Previous experience in developing social networking apps - Understanding of mobile app design principles - Experience with user authentication and push notification integration - Ability to collaborate and communicate effectively throughout the project If you're a Flutter de...

I'm in need of an Android application developer for a business productivity application. The project involves developing an application that will allow users to manage their accounts. Key Features: - User Account Management: This is the main feature of the application. The app should enable users to create, log into, and manage their accounts securely. Ideal Skills and Experience: - Proficient in Android app development - Experience with creating apps involving user account management - Familiarity with security considerations in app development If you have expertise in Android app development and have successfully delivered similar projects in the past, I'd love to hear from you. Please include samples of your work in your application.

I've been encountering an error while trying to launch the Medium Tablet API 29 emulator in Android Studio 4.4 on my Windows system. The message says, "The emulator process for AVD Medium_Tablet_API_29 has terminated." I've scoured online resources and tried resolving the issue myself. However, the problem persists even after reinstalling the Android Emulator. I'm looking for a competent Android Studio expert who can help me resolve this error and get my emulator up and running it is, Unable to launch Medium Tablet API 29 - The emulator process for AVD Medium_Tablet_API_29 has terminated. Key Requirements: - Proficient in Android Studio - Experienced in troubleshooting emulator issues Your assistance in resolving this issue would b...

I'm looking for a skilled Android app developer to create a user-friendly e-commerce app. The app will need to have: - User Registration and Login: The primary functionality that allows users to create their profiles and login securely. The ideal candidate should have prior experience in developing Android e-commerce apps and should be familiar with best practices in terms of user registration and login systems. Your attention to detail and commitment to producing a high-quality, reliable application are essential. Feel free to showcase any relevant portfolio items when bidding.

I'm in need of a skilled mobile app developer, ideally with experience in hybrid platforms such as Flutter. The app I'm looking to develop is a translation tool, not a translation engine. It needs to be compatible with both iOS and Android platforms, as well as a web application. Key Features: - Text Input Translation - Voice Input Translation - Camera Input Translation The app will be integrated with a third-party translation service to provide accurate translation services. The primary goal of the initial version of this app is to have a functioning and seamless translation service across these mediums. The translation service should be able to handle input using text, voice, and the camera interchangeably. You will need to implement the UI/UX and backend logic for t...

I need an Android app that includes an integrated Tapjoy offerwall. The main functionalities of the app should include: - User Registration: Users should be able to log in using their email and password. - Offerwall Integration: The app should have a single Tapjoy offerwall integrated into it. This is the core feature of the app. - User Balance: The user's balance should automatically update after they complete an offer. Ideal skills and experience for this job include: - Proficiency in Android development, including experience with integrating third-party offerwalls. - Understanding of user registration and secure login systems. - Experience in developing apps that update user balances automatically. - Knowledge of Tapjoy or similar offerwall integration is a plus.

...mobile automation tester who is proficient in Appium and TestNG framework. - Target Platforms: I need the testing to work for both Android and iOS. This includes setting up the necessary environment for this cross-platform testing. - Types of Tests: I'd like to automate Functional, Regression and Performance tests. The freelancer should have a strong understanding and experience in automating these specific types of tests. - Devices/Emulators: The tests should be performed on any available device. There is no specific device or emulator requirements. Ideal Skills: - Proficiency in Appium and TestNG framework - Experience in cross-platform mobile testing (Android and iOS) - Proven background in automating Functional, Regression and Performance tests - Ability to wo...

I'm in need of an Android app developer to create a simple yet effective Mess Attendance Application. This app is aimed at students who need to keep track of their attendance in the mess. Key Features: - **User Authentication**: The app should ensure that only registered students can use it. - **Notifications**: It should provide notifications to remind students to mark their attendance. - **Mark Attendance**: The core function of the app is to allow students to mark their attendance digitally. Current Data Recording: The attendance data is currently being recorded manually in paper registers. The goal of this application is to digitize this process, making it more efficient and accessible for all the students. Design is already in Figma File

I'm seeking a designer who can craft a visually compelling and user-friendly interface for a house hunting app running on the Android platform. The app aims to simplify the house hunting process with keen attention to detail and a seamless user experience. Key Features: - Property Search: Users should be able to quickly search for properties with immediate results. - Filter Options: Price, location and size are the 'big three' for property search. The interface should feature these elements centrally. - Save Listings: A feature to save and revisit properties is a necessity. Ideal skills and prior experience: Proficient in Android design guidelines, skilled in UX/UI design, and a portfolio showcasing prior app interface designs. Your ability to create a cle...

I need a cross-platform native mobile application for iOS and Android that will primarily be used for fund transfer, recharge, bill payment, tax accounts, and other utility services as per attachment. The app should have a user-friendly interface and must be fast, secure and reliable. Key requirements: - Develop a cross-platform native mobile application for iOS and Android. - The application should be able to facilitate fund transfers, recharge, bill payments, manage tax accounts, and provide utility services. - Ensure that the app is user-friendly, fast, secure, and reliable. I need this project completed ASAP. Please provide your portfolio and relevant experience when you submit your bid.

I'm looking for an experienced Android app developer to create a fun and educational app for children. Key Requirements: - The main focus of the app should be on providing educational content for children. - It should have a user-friendly interface designed for children. - The app should be engaging and interactive to hold a child's attention. Ideal Candidate: - A developer with experience in creating educational apps. - Someone who understands the needs and interests of children. - A creative mind to make learning fun.

I'm currently in need of an Android app developer with experience in creating educational apps. The app should be designed to deliver high-quality video lessons to users. Key Features: - The primary function of the app should be centered around educational purposes. - The app should provide an intuitive platform for users to access a range of video lessons. I'm looking for a professional who can bring this vision to life. The ideal candidate should have: - A strong understanding of Android development. - Prior experience creating educational applications. - A keen eye for user experience and interface design. - The ability to integrate video lessons into the app effectively. If you have the skills and experience necessary, please get in touch.

I am seeking a skilled app developer to create a user-friendly application compatible with both iOS and Android platforms. The main functionalities of this app are centered on online transactions and creating an engaging user interactive experience. Ideal Skills: • Proficiency in iOS and Android app development • Experience with creating transactional functionalities • Expertise in user interface and engagement features development Experience: • Should be something like urban company. This project demands innovative thinking and excellent technical skills. If this aligns with your expertise, I would love to hear from you.

...intuitive mobile application for automobile insurance. The application needs to be highly user-friendly and should be accessible on both iOS and Android platforms. Key Features: - The app should collect information from various automobile insurance companies in one location which will help users to compare and choose the best option. - The ability to generate quotes from multiple insurance companies is a must. - It should also support claim reporting and policy management functionalities. Ideal Candidate: - Experience in developing insurance related mobile applications is desirable. - Must have previous experience creating apps for both iOS and Android. - Knowledge in integrating third-party APIs to fetch data. - An understanding of the insurance industry's standard...

It is a home tuition finding application for tutor as well as parents/students. Both tutor and parent can register in the app to find tuition with best mutual benefits. Parents and tutors can post their requirements later they can connect as per their choice. It’s a kind of match-making app for tutors and parents. The project is under development, most of the features developed already. We need to develop additional features, stability need to develop to make it ready to launch. Basic features: ➔ • Registration and Login features ➔ • Simple and easy registration process for parents with OTP verification ➔ • Tutor and Student profile section ➔ • Monthly subscription for tutors ➔ • Free registration for parents Salient Features: ➔ • Posting tuition require...

...like you're encountering a MySQL error related to an incorrect DATETIME value in your query. This error typically occurs when the format of the date and time being used in the query does not match the expected format in MySQL, or when an empty string is being used where a datetime value is resolve this issue, you should first check the format of the 'date_scheduled' values in your 'banners' table to ensure they are in the correct DATETIME format. You might also need to modify your query to handle cases where 'date_scheduled' might be empty or incorrectly you're not sure how to proceed or need further assistance with checking or adjusting your database, you can manage and review your MySQL databases and their tables from Site...

I'm seeking an experienced Android developer to create a custom application for educational video distribution. Key Features - The primary objective of this app is to facilitate the sharing of educational content. - The app should support user-generated content uploads. User Accounts - The app should have different access levels for students accessing the content and teachers who will be uploading content. Experience - Prior experience in developing video sharing platforms is a plus. - Proficiency in Android development is a must. - Experience in handling user accounts and differing access levels is highly preferred. If you think you're suitable for the job, I'd love to hear from you.

I'm in need of a proficient mobile app developer to create a cross-platform (iOS/Android) social networking app using Flutter. The app will have essential features such as user registration and profile management, as well as real-time chat functionality. Key Responsibilities: - Develop a cross-platform mobile app using Flutter. - Implement user registration and profile management features. - Integrate real-time chat functionality into the app. - Optimize the app for both iOS and Android devices. Ideal Skills and Experience: - Proven experience in mobile app development, specifically with Flutter. - Strong understanding of user registration, profile management, and real-time chat systems. - Familiarity with social networking app development. - A strong portfolio demonst...

...The goal is to manipulate webcam settings within an Android emulator environment via adb. Here's what I need: - Modify the current webcam resolution to be higher. - Improve the webcam image quality to support High Dynamic Range (HDR). - Ensure frida-tools can adjust parameters to emulate native library detection. What I require from you: - Experience with frida-tools and adb commands. - Understanding of Android emulator environments. - Proficiency in webcam technology, including resolution and HDR. - Capability to simulate native Android library detections. Freelancers with prior projects involving webcam customization or Android emulation will be preferred. If you have the technical expertise to enhance an Android emulator's webcam capa...

...of an experienced Android app developer to create a social networking application. The key features of the app are: - User profiles and authentication: The app should allow users to register, create profiles, and securely authenticate themselves. - In-app messaging and notifications: The app needs to have a messaging system where users can communicate with each other, as well as a notifications feature to keep users updated on activity. - Photo and video sharing capabilities: The app should enable users to share photos and videos with their network. The project has no strict deadline, but a timely completion is appreciated. I'm looking for a developer with a strong background in building social networking apps, as well as the following skills: - Proficiency in Androi...

...calls. - **Points System**: Customer Loyalty: Implement a points system where customers can earn points on purchases, which can be redeemed for rewards or converted to wallet credit. - **Mobile Apps**: iOS and Android Development: Develop mobile apps for both iOS and Android platforms, ensuring users can access the marketplace via smartphones and tablets. - **Multi-Language Support**: Support for multiple languages, including English and Arabic (RTL), across all platforms. **Key Deliverables:** - A fully functional multi-vendor marketplace platform. - Mobile apps for iOS and Android, supporting the specified menu structure.- - Backend web application for management. - Integration with support and ticketing systems and chat. - Full source code. - Installation o...

As a business owner, I am in need of an Android developer who can construct a ride booking application. This application's main feature will be user login, which would primarily cater to Riders and Drivers. Key Requirements: - Develop a user login feature - Design the application for two types of users: Riders and Drivers Ideal Experience and Skills: - Previous experience in building ride-booking or similar applications - Proficiency in Android development - Deep understanding of user login functionalities - Knowledge in providing intricate personalized content. The role would require significant contributions in the planning, designing, and execution of the complex user login feature. This role is best suited for a developer who is well equipped with a solid techn...

...Match Confirmation and History: System to confirm match agreements between teams. Record of past matches, including scores and feedback/rating system. Design and User Experience: The app should have an intuitive and user-friendly interface. A clean and modern design is essential to ensure that users can easily navigate and utilize all features. Technical Specifications: Platforms: iOS and Android Backend: Cloud-based server to handle user data, match schedules, and communication Frontend: Responsive design compatible with various screen sizes Database: Secure storage for user profiles, match history, and communications Project Timeline: I would like to discuss the estimated timeline and milestones for the project with you. Please provide an initial estimate for the developmen...

I'm looking for a mobile app developer to create an Android app that will serve as a platform for users to engage. Key Features: - **User Login and Registration:** The app should allow users to create accounts and log into them. User data should be stored securely. - **Push Notifications:** I want the ability to send push notifications to users through the app. This feature should be robust, allowing for targeted and engaging notifications. I'm eager to see your past work in mobile app development, particularly for the Android platform. Experience with push notification systems and secure user authentication is a plus. If you're confident in your ability to deliver a solid app that fulfills the outlined requirements, please get in touch.

I'm looking for a skilled professional who can meticulously guide me in video call through setting up a VPN using Google Cloud and OpenVPN. The primary aim is to ensure secure remote access to a MySQL database from my Windows laptop. Key requirements: - In-depth knowledge of Google Cloud and OpenVPN - Proven experience in configuring secure VPNs - Expertise in MySQL database security and remote access Your role will be to provide detailed, step-by-step instructions on how to properly configure the VPN to meet my security needs. Please bear in mind that I may require access to the MySQL database from multiple remote locations, but most likely will only need it running from 1 remote laptop - the VPN should be flexible enough to accommodate this added funct...

I'm in need of an exceptional landing page that focuses on promot...provide examples of your previous landing page designs and any relevant experience in product promotion. The new version of the app has the following features which I think will be interesting for new users: - How much car/house can the user afford? - How much does the user saves if he pays his debt earlier using extra payments - How much time until FIRE. The app is available on iOs, MacOs and Android and I have the links for all of the platforms and I would like the landing page to have the standard AppStore/PlayStore download links/buttons. I am opened to suggestions for the hosting part, maybe Wix can be a good candidate, not sure. The only requirement will be to be able to connect a domain because I have...

...Migrate the current backend code to Laravel 11 while ensuring functionality and logic remain unchanged. Database Optimization: Optimize MySQL queries for improved performance without altering the existing database structure. Bug Fixing: Identify and fix any existing bugs to enhance the overall stability and performance of the application. API Output: Ensure the new Laravel backend provides a consistent and reliable API output, compatible with current requirements. Performance Enhancement: Implement best practices to improve the performance of the backend system. Requirements: Proven experience in both CodeIgniter and Laravel frameworks. Strong understanding of MySQL database management and optimization techniques. Ability to maintain existing database structures and logic....

I am looking for an experienced Android app developer to create a cutting-edge e-commerce platform. The app needs to support multiple languages and integrate the Google Pay payment gateway. The ideal candidate for this project should have: - Proficiency in Android development and a solid portfolio showcasing similar e-commerce app projects. - Experience with integrating payment gateways, preferably Google Pay. - Ability to implement multi-language support within the app. - Excellent communication skills and a proactive work approach. If you have the skills and experience required, please submit your proposal, including your relevant past work and an estimated timeline for the completion of this project.

I am in need of a skilled developer to build me an Android app specifically for tourism and car booking services. Key Features Required: - The app must have a Payment Gateway feature incorporated into it for efficient and user-friendly transactions. Ideal Skills & Experience: - Proven experience in Android app development - Previous work with tourism and/or car booking apps is a plus - Knowledge about implementing Payment Gateway features for app transactions will be highly valued - Demonstrable capacity to deliver quality work on time. The final deliverable should be a fully-functioning Android app as per the described specifications. I value open communication and expect frequent progress updates. Looking forward to seeing your bids.

We are seeking a professional and experienced develo...character, location, edition size, etc. Community Features: Forums and groups for discussions and community engagement Events calendar for community events, including live sales and meetups Leaderboard showcasing top collectors and traders SEO Optimization: SEO-friendly URLs and meta tags Content optimization for better search engine visibility Mobile App Development: Development of native iOS and Android apps with all web platform features Seamless integration with the web platform to ensure a consistent user experience Push notifications for real-time updates, messages, and alerts User-friendly interface optimized for mobile devices Security Measures: Secure user authentication and data encryption Regular security audits a...

I'm seeking an experienced developer to create an Android app for my e-commerce business. The app should possess a minimalist design, aiming for simplicity yet effectiveness in terms of user experience. Key Features: - Product Search and Filtering: To help users find and sort products with ease. Ideal Skills: - Expertise in Android App Development, specifically in building e-commerce applications. - Strong understanding and experience in creating minimalist designed apps. - Skills in implementing useful product search and filtering features. The end product should deliver an easy-to-use platform for shoppers with a clean and minimalistic aesthetic. Experience in e-commerce app development with a focus on product search and filtering will be highly appreciated.

...Developer to assist with updating our existing Art Prizes app for both iOS and Android. We've made additions to the underlying .NET solution and now require integration of new pages and features. It's crucial that you have a solid understanding of Flutter as well as knowledge on integrating APIs. Previous experience in updating existing apps and implementing push notifications is highly desired. If you don't have a rating of 4.9 or higher I won't be contacting you. You will have a formal process for versioning the iterations and you will have inhouse testing available. If you deliver an initial solution that is full of bugs we won't continue working with you. First deliverable will be the IOS version FOLLOWED by the android version. Key Tasks:...

As the client, I am in need of an extraordinary Android app developer with a knack for 2D animation design. The primary purpose of this application is to provide assistance to users. In addition, the app must incorporate remarkable graphic aesthetics for better engagement. Key requirements: * Mastery in Android app development: Your proficiencies must lie in this area as it is crucial for the success of this project. * Experience in 2D animation graphics design: Your unique touch in this field will give the app an exceptional look as desired. * Show your expertise: In your application, kindly provide your previous experiences and proven knowledge in Android app development. This information will majorly contribute to the selection process for this task. In conclus...

I've developed an app for Android TV, and have successfully submitted it. However, I failed to realize that opting in and adding images are necessary steps for android tv. Key Responsibilities: - Assist with submitting the app to Android TV. - Complete the submission to Google TV. Please note that the only images required for the submission is android tv related. You will help me with getting them and to correct sizes. You can take scteen shots of app.

I'm in desperate need of a talented technical expert to help me create a seamless P2P money transfer app for both iOS and Android platforms. Key features this app needs to include are: - Person-to-person money transfers, similar to Venmo or Cash App - Integration with a secure and efficient payment gateway Ideal candidate should have: - Extensive experience in iOS and Android development - Prior experience with e-commerce or payment applications - A strong understanding of payment gateway integration Let's connect if you have the requisite skills and experience to deliver this project successfully. I am excited to hear your ideas and approaches.

Build an ISO for a raspberry pi (with cellular notecard) to scan for unique cell phones in a specific range and log the unique phone ID and timestamps/ping (distance) from the raspberry pi and store in mysql database using cellular adapter.

I'm looking for an experienced mobile app developer who can build a feature-rich e-commerce app that will work seamlessly on both Android and iOS. The app will cater to a WordPress-based online shop, ensuring customers have a smooth shopping experience with access to unique features. Key Features & Functionalities: - User Registration & Login: A seamless and secure process for users to create accounts and log in. - Push Notifications: Utilizing notifications to engage with users and keep them updated with the latest offers, deals, and more. - Connected to WordPress Shop: The app should effectively fetch and display product data from the existing WordPress shop, ensuring real-time updates of the product catalog. - Custom Stock Management: Admin should have the capabilit...

...backend developer who can build a robust REST API. The ideal candidate should be proficient in MySQL, and have experience in user authentication, data retrieval, and data modification. Key Requirements: - Develop User Authentication: The API should include secure user authentication functionality. - Implement Data Retrieval: The API must be able to retrieve data from MySQL database as needed. - Data Modification Capability: The API should also support updating and deleting data in the database. Additional Needs: - Third-Party Integrations: The API will need to integrate with a payment processing system and also be able to send WhatsApp messages. If you have a strong background in Node.js, MySQL, and building REST APIs, I'd like to hear from you. Please incl...

I'm searching for a professional w...professional who can address the issue of an incorrect .p12 key in my Android application. Key Tasks: - Troubleshoot the current .p12 key to identify the cause of the issue - Generate a new key for the application - Update the app with the new key to ensure proper functionality Experience and Skills: - Demonstrable experience with Android app development - Proficiency in handling .p12 key issues - Strong knowledge of Android security protocols and practices I'd appreciate someone who can take care of this process. The applicant should also be able to confirm compatibility of the new key with the versions of Android the app is currently supporting. Please include any relevant experience you have in maintaining an...

I need a mobile application for warehouse inventory management, to be used on both Android and iOS devices. The app should have the following features: - Real-time inventory updates Key Requirements: - Development of a custom mobile app using AppSheet by Google - Compatibility with both Android and iOS devices Please note: - Offline functionality is not required. - The main focus is on inventory tracking Ideal Skills and Experience: - Proficiency in AppSheet by Google - Proven experience in developing mobile apps for inventory management - Familiarity with inventory tracking systems - Knowledge of Android and iOS development to ensure cross-platform compatibility.