Notifier app (for covid vaccine )
As individuals are finding very difficult to book vaccine , slots disappears within minutes , Notifier can help you with this , This app is very simple you need to select pincode and age for which you need to receive notification (18 or 45) , then press on start checking Whenever there is vaccine slot available it will play a siren sound for 10 seconds and will notify you , stating the number of centers and their names with the button which opens cowin self registration portal. How it works: https://apisetu.gov.in/public/marketplace/api/cowin provides various apis one is calendarbypin which gives all slot for 7 days . The app send request to this at an inteval of 20 seconds in background , whenever your age matches it checks if dose is available , once available it shows you alert . It maps each center with a boolean variable whether to show alert or not to avoid double notification display . Example - 3 center (A - 0 available ,B - 2 available ,C - 0 available)...