Android only: "Add payment form and API on existing app" & "fix Crash bugs" & "Create a Manage Student account page"

1. Android Application. 2 Existing app code is available 3 Apps are already live on App Store. 4 Download the apps here: 4A [login to view URL] 4B [login to view URL] 5. Install the app, go through the app What needs to be done: 1 Fix the bug of crashing in the existing Android App. Crashes happen specially on the Registration page after registering, and the Directory page when all teachers are shown and then scrolling down to the bottom of approximately 1000+ tutors, the app will crash. 2A Add a Manage Student Account Page (5th tab, now there are 4 tabs). This will be almost Similar to Tutor Registration page, with Sign in, Create New account button. In database, create a new "students" table. 2B. Also Create the corresponding Page: Student Registration Page, Edit Student Account Page 3A. Go to any individual Tutor's individual profile page on the app, such as: "Ngo Wai Koon" or "Joanne Chew" 3B. Add a "Pay Tutor for Video Chat" button above the Video Chat button 3C. Bring user to a form after pressing the button. Show an option for Purchasing 15 Mins or 30 Mins with Tutor, at the rate of USD10 per 15 Min or USD 15 for 30Mins. Allow Tutor to suggest 3 timings. 3D. Redirect Tutor to pay through a payment gateway 3E. For all payments made, myTutor requires a split of the fees. TWO OPTIONS ARE POSSIBLE: Total Fee: Split into 80%, 20%. 80% will go into teacher's accoun. First, 100% Fee all goes into myTutor app's account. After the video is done, 20% from myTutor app's account payment goes into the teacher' account. After payment is made, do a pop up notification saying that Payment has been made. 3F. Send a receipt of payment to the Student who purchased in an email. Also send the list of top 3 scheduled timings to the same email. Then, send another email to the Teacher containing the top 3 scheduled timings. 3G. On Teacher's version of the myTutor app, show a pop-up notification outside the app, and inside the app, on the video call payment made. 3H. In order for us to test the app first, the payment fees can be set at $0 first. 4A. At Edit Tutor Account page, Add a button "Upgrade to Tutor Premium Account" at the top on top of the user details. Show this text at the bottom of the button: "One-off lifetime payment. Upgrade to Premium Account to: Be prioritized higher in search results. YOur row will also appear in highlighted colour. " 4B. if button is pressed, bring user to Payment page for paying $50. 4C After user pays, send a receipt to the teacher's email 4D. For the teacher's row in the directory page, when it is shown, please highlight it in light blue and display a "Premium Tutor" icon beside the Tutor's name. Also, prioritize it to appear at the top of the search results. Payment Gateway options you can use: Stripe, Paypal Payflow, WooCommerce, PaySimple, Paylane, goEMerchant, Worldpay