Ios login with php jobs

...our company. We are looking for an experienced full stack developer to help develop a cloud kitchen mobile application for both iOS and Android platforms. Key Requirements: - Development of a mobile app compatible with iOS, Android, and both platforms - Design: I don't have a specific design in mind, so I'm looking for a developer who can assist with the design aspect of the app - Primary Function: The app will be used as a cloud kitchen, so experience with developing similar e-commerce applications is beneficial Ideal Skills and Experience: - Proven experience with full stack mobile app development - Experience with developing mobile applications for both iOS and Android - Strong UI/UX design skills and experience in ...

I'm looking for a skilled app developer with expertise in both iOS and Android platforms. The primary function of the app is car service booking. It should have a clean, intuitive interface and be secure to ensure user trust. Ideal Skills and Experience: - Expertise in developing apps for both iOS and Android - Experience in developing service booking apps - Knowledge of secure app development - Strong UI/UX skills Features to Include: - Users should be able to book and pay for services - The app should store previous service records for easy rebooking - Should have a system to compare prices from different service providers. Your proposal should include a timeline and cost estimates for the project.

I am initiating a new enterprise and I need a proficient mobile app developer who can create a user-friendly e-commerce application for both Android and iOS platforms. Key Responsibilities: - Develop a robust e-commerce application for Android and iOS - Ensure the app supports transactions for both selling products and services Ideal Skills and Experience: - Proficient in Android and iOS development - Proven experience in creating commercial-grade apps - Experience in e-commerce apps is a significant plus - Familiarity with secure, efficient transaction methods - Excellent problem-solving skills and attention to details.

We are looking for a talented PHP Laravel Programmer to join our team and work on our B2B ecommerce website and app development. The ideal candidate will have a strong background in PHP and Laravel, with experience in building and maintaining ecommerce platforms. This is a remote position, offering the flexibility to work from anywhere. Key Responsibilities: Develop, test, and maintain high-quality ecommerce solutions using PHP, Laravel, MySQL, HTML, CSS, JavaScript, and related technologies. Collaborate with the design and product teams to implement new features and improvements. Optimize and enhance the performance of the website and app to ensure a seamless user experience. Troubleshoot and resolve issues as they arise, ensuring the stability and rel...

I'm currently running CyberPanel version 2.3 with PHP 7.2 for hosting websites. I need to upgrade both CyberPanel and PHP to their latest stable versions. Key tasks involve: - Updating CyberPanel to the most recent stable version. - Upgrading PHP from 7.2 to the latest stable version (8.3). Ideal Freelancer: - Experienced in administering CyberPanel and PHP. - Proficient in upgrading server-side software. - Good understanding of website hosting environments.

I want someone who can create a database in MS Access for Invoices Log (tracking for already processed invoices) with the following features. 1- A list of all invoices (Master List) with the field names I will provide. 2- A list of all Contracts with the field names I will provide. 3- A list of all Purchase Orders. 4- A list of Approvers who is approving the invoices. 5- A list of Accounts. 5- All of these list should be linked with each other. The database should have a login page. After Login, there should be a a Main Page, with link to the above mentioned list pages plus, Add Invoice, Search Invoice, Search Approver, Search Contract, Search PO, Search Account and Reports pages. For Add New Invoice page, I should be able to add an invo...

I am looking for a talented professional to develop a mobile application for both iOS and Android platforms. The primary function of this app would be AI-enhancement, particularly focusing on the Computer Vision feature. Ideal Experience and Skills: * Proficient in iOS and Android development * Strong background in AI, especially Computer Vision * Experience in integrating AI capabilities into mobile apps The app will also have an in-built feature to solve questions, further incorporating the AI function. Make sure that the AI is robust enough to provide accurate solutions. Please apply if you have a proven track record in developing AI-based mobile applications. Demonstration of a similar project in your portfolio will be a plus point.

I'm in need of a seasoned Flutter developer to help me with the setup and customization of a mobile application that is primarily designed for doctors. Key Tasks: - Setup the app for both Android and iOS platforms - Implement a new color scheme to enhance the app's aesthetic - Make necessary layout adjustments to improve user experience - Replace the current logo with a new one Ideal Skills & Experience: - Proficiency in Flutter with a proven track record of building and customizing apps for both Android and iOS - Strong design sense to ensure a seamless integration of the new color scheme - Experience with layout optimization for mobile apps - Previous logo design experience is a plus This project requires someone who can work eff...

I'm seeking a skilled and innovative freelancer who can develop a ride optimization algorithm platform for Uber, Lyft, IDrive, and Get Transfer drivers in the United St...pricing ride from the App ride pool, as well as automatically accept the best rides for the driver. Additional Features: - Reduce the time between rides - Show the surge zone during the rides - Allow unlimited trip destination filters The platform must be compatible with iOS and Android devices, ensuring accessibility to a wider range of drivers. The ideal candidate should have experience in developing similar ride optimization tools and have a strong understanding of the rideshare industry. Looking forward to collaborating with someone who can bring this project to life and enhance the profit...

I need a mobile app that can run on both iOS and Android devices. The primary function of this app should be to generate estimates for pressure washing services. Key Requirements: - Cross-platform compatibility: The app should be designed to work seamlessly on both iOS and Android devices. - Estimate Generation: The app should have an easy-to-use interface which allows users to input key details and get an accurate estimate for a pressure washing job. - Customization Options: I want users to be able to customize their service requests within the app. This could include options for different types of pressure washing, areas to be cleaned, etc. Ideal Skills and Experience: - Prior experience in developing and deploying cross-platform mobile applications, especially in the re...

I require development of a website and apps for iOS and Android platforms, with matching features and functionalities for a mobile data plan service. This project necessitates: - The creation of user accounts and profile management system. - Capabilities for subscribing to various mobile data plans - Seamless synchronization between website and mobile apps Ideal candidates should have prior experience in eCommerce site design and mobile app development, and be fluent in creating user-friendly interfaces. A grasp on data security measures for user account management and subscription systems is also essential. cellForRowAtIndexPath.

Need ecommerce website designers Hosting - Hostinger Domain - Recommendation Plugins 1. DIGITS: WordPress Mobile Number Signup and Login 2. Elementor Pro 3. TeraWallet 4. Razor pay Other Plugins 1. Reviews 2. Contact Form + with Recommendation plugin for woocommerce Products Categories 1. Men - Shirt ,Kurta For Mens , 2. Women’s Fashion - Kurta, Co-Ord Set, Saree, Night Suits, Top , Bodycon, Sweatshirt, Shirt, Western Dress 3. Personal Care - Face care,BABY Care,Hair Care,Hair Straightener,Massager, 4. Fitness 5. Useful items - gadgets,Trimmer , 6. Home & Kitchen

I need some to fix and the following function to my app. 1. Add name and Phone number to the Firebase. -login email and password is working.-design is ready only backend needed. 2. Create a forgot password function. Design is ready

I'm looking for a skilled UX/UI designer with experience in creating designs for websites, mobile sites, Android & iOS apps, and admin panels. The main objective of this project is to design interfaces for a car dealers service. **Key Aspects of the Project:** - **Platform:** The design needs to be compatible with the website, mobile site, and apps for both Android and iOS. - **Purpose:** The primary goal of the website, mobile site, and apps is to serve as a platform for car dealers, focusing on internal services for used car dealers. - **Specific Features:** The design should include features for vehicle inventory management, online booking for service appointments, and test drive scheduling. Ideal candidates for this project should have: - ...

I have a web application that runs on PHP and I'm looking to integrate it with APIs provided by multiple suppliers. These suppliers will send us three specific types of data through their APIs - customer information, product information, and order information. Key Requirements: - Connect the webapp with Supplier A, Supplier B, and Supplier C APIs. - Extract and process customer information, product information, and order information sent by these suppliers. - Display this data on the webpages of the application. - Store this data efficiently in a database. Skills and Experience: - Proficient in PHP and API integration. - Strong understanding of database management. - Experience in handling customer, product, and order data. - Detail-oriented to ensure acc...

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...

I'm in need of a talented Android developer who can bring my vision to life - an investment app and website. Key Features: - User Registration and Login: The platform will need a secure, user-friendly registration and login system to ensure that users can access their accounts easily, while keeping their information safe. - Product Listing and Search: The app and website should allow for the listing of different investment products and enable users to search for and view these products. - Payment Gateway Integration: Users must have access to a secure and reliable payment gateway, as they will be investing money through the app. Design: I prefer a colorful and vibrant design that is pleasant to the eye yet still professional and trustworthy. Ideal Skills: - Profici...

I am in need of a skilled iOS app designer to help develop a start-up program aimed at addressing the ubiquitous problem of lost phones. Key Duties: - Conceptualize, design, and implement app features and functionality Ideal Skills and Experience: - Proficient in iOS platform app design - Prior experience in start-up or related app development - Solid understanding of user experience and interface design - Excellent problem-solving skills and creativity - Ability to work within deadlines and multi-task effectively. This project requires someone who can intuitively understand the needs of a start-up and bring creative solutions to the table. I look forward to hearing from you. I have searched the app store and have not found anything like this but it is very much ne...

...application similar to the Vinted App for both iOS and Android platforms. Key Requirements: Development for both iOS and Android platforms. Robust e-commerce functionality with a strong emphasis on user experience and security. A streamlined and intuitive shopping experience with a mobile-friendly interface. Scalability to handle a large number of users and transactions efficiently. Experience: Proven track record of successfully launching cross-platform mobile applications. Experience in developing e-commerce apps is highly desirable. Strong understanding of mobile development with a focus on user experience, performance, and security. If you're confident in your ability to develop a scalable, user-friendly, and secure e-commerce app for both ...

I'm looking for a skilled web developer who can bring my vision for a site to life. The site I have in mind is an information sharing/educational content platform. It will serve as a hub where users can access and contribute to various types of educational content. Key Functionalities: - **User Registration and Login**: The site should allow users to create accounts and log in securely. - **Payment Gateway Integration**: I want a seamless payment system for premium content or memberships. - **Content Management System (CMS)**: The platform should support easy content uploads and management. The ideal candidate for this project would have experience in: - Developing similar informational or educational websites - Integrating payment gateways - Implementing secure user authen...

...customization, as well as be built on Elementor for easy management and updates. Key project requirements include: - Creation of a professional and user-friendly website with Elementor - Integration and customization of the Learndash feature - Focus on user registration and login for course access - Ensuring a seamless e-commerce functionality for course purchase. Ideal candidate should have: - Proven experience in developing Wordpress sites with Elementor - Strong understanding and experience with integrating and customizing Learndash - Ability to create a user-friendly and visually appealing interface - Previous experience with e-commerce functionality in online course platforms - Understanding of the target audience (professionals seeking skill de...

...engaging and user-friendly interface for a social networking mobile app that is set to be launched on both iOS and Android platforms. Key Points: - The primary goal of the app is social networking, so the design should be conducive to communication, content sharing, and community building. - The UI should be optimized for mobile devices, ensuring seamless and intuitive user experience on both iOS and Android platforms. - A clean, modern, and visually appealing design is essential to attract and retain users. - The designer should be able to incorporate social networking-specific features such as chat interfaces, profile views, news feeds, notifications, etc. - Experience with designing for both iOS and Android is highly desirable. The ideal candidate would ...

Requirements: - Vuejs, Nuxtjs - Tailwind CSS - Supabase/PostgreSQL - Nodejs/Deno - Typescript - Responsive Design - Maintainable and r...Nuxtjs - Tailwind CSS - Supabase/PostgreSQL - Nodejs/Deno - Typescript - Responsive Design - Maintainable and readable code - APIs - Authentication, Authorization, Roles & Permissions - Docker - Bonus: Tests Job: - Program members portal (tasks, events, payments, backoffice) - Blog & Blog backoffice with - Create and use queries and mutations - Newsletter: manage emails and newsletter backoffice (sendgrid and others) - Manage registrations (calendly like) 12 Pages: - Portal Login - Registration - Portal Dashboard - Portal Events - Portal Tasks - Portal Profile - Portal Settings - Portal Payments - Backoffices - Blog Main - Blog...

I'm looking for a skilled developer to help me customize my current PHP SMS system. It's primarily used for sending notifications. I have the script and has been working with twilio, however all of a sudden it stopped working due to twilio changes I need assistance in modifying the script

...app for both 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 de...

...logo. - Login Screen: User authentication with username and password. When the login button is pressed, a POST request should be made to an API (which I will provide) sending the username and password in JSON format. The API will respond with the login status (granted/denied) and a token for future requests. On successful login, the Foreground scan service should be started and navigate to the Status screen. The login state should be saved locally (in local storage). If the user is already authenticated, future app accesses should go directly to the Status screen. - Status Screen: Displays the scan status and an updated list of the latest detected beacons, ordered by the most recent. User Authentication --------------------------------...

...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 d...

...intended for young adults on both iOS and Android platforms. I envision this app with a focus on ingestible enhancement coupled with an easy-to-use interface that appeals to the youth, and adults. Key functionalities to be included are: Sign in and log in option Message option to contact the users Relations system like in LinkedIn Research button for users - Social Media Integration: This app should allow users to easily share and communicate through the application. As for the skills and experience I'm looking for the freelancer to possess, they should be: - Highly proficient in both iOS and Android app development. - Highly skilled in UI/UX design with a portfolio that showcases apps developed for young adults. - Experience in developin...

I'm in need of an experienced mobile app developer who can build a video content platform for both iOS and Android. The app will function similarly to a video-sharing website such as Youtube. Key Features: - User Profiles: Users should be able to create personalized profiles to track their video watching history, subscribe to content creators, and access other features. - Video Recommendations: The app should recommend videos to users based on their viewing history and preferences. - Search Functionality: A powerful search engine that allows users to find videos based on keywords, categories, and content creators. Your expertise in cross-platform app development and video content platform creation will be crucial for the success of this project. Please provide examples of sim...

...batch file or script that performs a specific set of tasks on a local W10/11computer. The tasks I need accomplished are: - Connect to the remote QNX computer via SSH (Secure Shell)( login/ password in config file.) -send some command (must be configurable - Run certain commands via batch file on windows 10/11 computer. (Configurable) - Run local bat comands on Windows computer (configurable) - Send key combinations on Windows computer (configurable) Managing errors if they occurs. Keep CMD open for manually entering other commands ( in feature can be automated as another project or add-on) Prior experience with batch file creation and QNX systems is necessary. Proficiency in SSH connections is also essential for this project. The ideal freelancer would be meticulous and...

I am trying to integrate custom theme into wordpress . My intention is for each section of the website to react dynamically in wordpress so that I can build my site in wordpress itself. I need help to complete this process as I am facing a lot of errors.

I am seeking a skilled web developer to create a comprehensive MLM website. This project requires: - Member registration and login system: An intuitive interface for users to create accounts and securely log in. - Multi-level commission tracking: A functional system to monitor and provide updates for all commission levels. - Downline management: An effective tool for managing and tracking growth within the MLM hierarchy. - Online payments: A secure payment gateway that uses Paytm and UPI for seamless online transactions. While I am open to design suggestions from the chosen freelancer, the overall look and feel should mirror the professionalism and credibility that our MLM organization stands for. An experience in MLM website development will be highly useful but not mandatory. A ...

I need a skilled PHP developer to help me with a bug that's causing our login functionality to malfunction. Key Requirements: - The bug currently prevents users from logging in, and an error message is displayed upon failure - We need this bug fixed so that users can successfully log in without any issues Ideal Skills and Experience: - Proven experience in PHP development, particularly with login systems - Strong debugging skills to identify and rectify the issue - Solid understanding of database connections in PHP - Good communication skills to understand the problem and provide a timely fix

I'm interested in application development for both Android and iOS platforms. The key feature is to allow sending SMS messages to a selected database. Any professional stepping into this project should be able to handle: - Database development: The backend needs to be designed to store contact details efficiently. Expectation is to accommodate less than 100 contacts initially, with potential for future expansion. Strong database management skills are a prerequisite. - App development: Looking for someone with profound knowledge of Android and iOS app development. Familiarity with SMS integration in apps is essential. Don't shy away from illustrating your previous experience in similar projects when bidding.

...product catalog. The app should be able to display and categorize products effectively, making it easy for users to navigate and find what they're looking for. Platform Support: - The application should be designed to support both Android and iOS platforms. It should be optimized for both mobile devices and tablets across both systems. Ideal Skills: - Proficiency in Flutter development is a must. I expect a polished, user-friendly interface that is consistent across both platforms. - Previous experience with e-commerce applications is a plus. Familiarity with shopping cart and payment integration functionalities would be highly beneficial. Please provide examples of your previous work, particularly within the e-commerce sector, when applying. Please check ...

I'm in need of an all-round developer who has strong experience in both Python and PHP, specifically for the creation of an e-commerce website. The desired professional should be well-versed in crafting custom web solutions as well as knowledgeable in leveraging the WordPress CMS beneficially. Skills and Experience Required: - Demonstrated expertise in Python and PHP web development. - Proven experience in developing successful e-commerce websites. - Proficiency with WordPress CMS. - Understanding of e-commerce website security essentials. - Articulate in communicating project progress and potential hurdles. Freelancers who can showcase previous work on similar projects will be given priority. I look forward to your enticing bids and am eager to form a produc...

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.

...upload PDF files for students to view or download. - Test/Quiz Management: I need a feature where I can create and manage online tests or quizzes for the students. In addition, the website should have stringent access control measures. Specifically, the following measures need to be implemented: - Password Protection: The website should require a password for users to access the content. - User Login and Registration: Students should have to create an account on the website to access the course content. - Restrict Access to Specific Batches: The website should allow me to restrict access to specific batches, ensuring that students can only view content from the batch they are enrolled in. I am looking for a sleek, modern design for the website to attract and retain students. I...

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 an...

in general I don't get the Greek characters in the description and all the buttons "complete", "delete" etc. throw this error and the reports are not generated its probabely some issue with the path or smtp notifications. please have a look at the video. i will send you the site and db on chat budget: $15-$20 USD deadline: 20/5

I'm looking for an experienced mobile automati...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 work with...

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 passw...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 ...

I'm looking for an experienced mobile automati...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 work with...

Hi Bhawan, creating this milestone to record the hours to date. Tracking of 14.5 hours as of 19 May.

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 have a iOS application with a few bugs that needs fixing and adding the function of inviting phone contacts to our app. iOS applicaiton built in: - Objective C - Native App and UIKit I will share the speciication document when we speak in freelancer chat.

...cross-platform e-commerce website. Key Requirements and Deliverables: - Create a user-friendly e-commerce website that functions seamlessly on both iOS and Android platforms - The website should have a clean and modern design, conducive to a positive shopping experience - Implement essential e-commerce features, such as product listings, shopping cart, secure payment gateways, and customer account management Skills and Experience: - Proven expertise in website development, particularly in e-commerce - Experienced in creating cross-platform websites for both iOS and Android - Strong understanding of user experience and responsive design principles - Familiarity with integrating payment gateways and other e-commerce functionalities If you have a portfolio or examp...

...should have iOS developing environment including MacOS and iPhone.*** I require a skilled Flutter developer with specific experience in OpenVPN, as well as iOS and Android app development. I have early built iOS project built with swift and I want you to recreate this iOS project to Flutter with 1:1 conversion. I will share the project if you have proven experience with flutter, iOS and Android. This app should also work properly on Android TVs also. Key Project Details: - Development for both iOS and Android platforms - Primary function: OpenVPN connectivity - Utilization of pre-existing iOS project for design Key Responsibilities: - Develop an OpenVPN application with Flutter for both iOS and ...

I'm in need of an experienced developer to build a robust social networking mobile app that runs seamlessly on both Android and iOS platforms. Key Requirements: - Developing a social networking mobile application for both Android and iOS. - Ensure smooth functionality across all devices and versions. - The app should offer high performance and security. Ideal Skills: - Proficiency in using both Android and iOS SDKs. - Experience in building and deploying social networking apps. - Understanding of user interface and user experience (UI/UX) design for mobile apps.