App Inventor or Android App.

What you need is a button which sends up a flag when you click it and then and app which recognizes it. You're gonna need to use a back-end server for this. I have a good experience using back-ends like firebase for such tasks. I can easily and efficiently create your application for you.

Hello, I have viewed your requirements and found our self the most appropriate for the project Please share all the requirement details across to me So i can go through it and start working on it. I am having more than 5 years of ndroid Phone / Tablet / New Generation Android Device or iPhone/iPad, Hybrid Apps, react native and native or Any technology (PHP/CMS/Hybrid Apps etc) in mobile application almost all area of mobile & web development whether it is Android Phone / Tablet / New Generation Android Device or iPhone/iPad, Hybrid Apps or Any technology (PHP/CMS/Hybrid Apps etc) My previous similar development experienced worked on the Social Media, Property Portal,Taxi booking, Book Order and Delivery, Fitness,Finding restaurant by near by location, Classified(Buy & Sell), Multi Vendor eCommerce application i I built 100+ apps in android and iPhone,iPad with webadmin panel and website Being an honest person I do my work with sincerity which develops very good relation with customer Looking forward to your response Regard YashTech Thanks

No Upfront Payment. Payment After Delivery. We have already designed, developed & successfully delivered many Android & iOS Mobile apps for various clients similar to your requirements in the past. Respond to discuss about your requirements & get demo. We are professional expert team of 100 Mobile app & website developers each having an experience of more than 8+ years. We design & develop as per the Google Store and ITunes standards. OUR SKILLS: APPS: Android/iOS/iPad, Android studio, Swift, Reactnative, Ionic, Xamarin Etc. Website & Backend: Php, Codeigniter, Laravel, Wordpress, Magento Etc. Database: Mongodb, firebase, Mysql, Nodejs, AWS, Nosql. ADDITIONAL BENEFITS: a. Extensive Quality Check & Testing. b. Documentation and Suggestions for improvements. c. Support and Maintenance with quick turnaround time. d. Free uploading apps into app stores e. Free UI/UX Designing f. Aggressive Marketing on Pay for App Downloads. Please leave a message with your available timings if I'm Offline. I will reach you ASAP Awaiting for your response. Regards, Martin

Hello I understand you need I have experienced Android and web mobile development I can help you. I have built a similar project in my past experience so I have experience in your project, I am full stack developer and designer, I have worked much Application, I will provide you initial features which you require with a simple and elegant design. I will available full time for the work and available until you satisfied with work. Quality coding, Efficient Solution on fixing bugs and available for quick communication during the development period. I would like to talk on each feature you are in need of so we can discuss on them in FREELANCER CHAT WINDOW PLEASE Regard Thanks Nikita