mobile app with nearby item searching

Abstract: need an ionic app for Android and iOS. A user should be able to list items to sell and search an item to buy Deliverable: all source code for ionic app and any scripts for server (web services) Mandatory: ϖ utf-8 for Asian languages should be supported ϖ data usage should be minimal for 3G or slower wireless network ϖ bottom tab is consisted of 5 tabs: #1, #2, #3, #4, #5 ϖ each tab has a set of first and detailed item window ϖ #1 ¬ First window ♣ Show all listed items that sorted by nearby item or the most clicked items or high/low price ♣ There are three icons: search, saved item, notification in top menu bar ♣ Search window can search all list item and tag on every tab and show in the searched result that also sorted by nearby, the most clicked items, high/low price ♣ Advanced searched such as price range, item condition should be available with the searched result above ¬ Detail item window ♣ Detailed list item when a user clicks the item ♣ If the seller info is clicked, a user takes to the seller’s user profile window ϖ #2 ¬ tab #2 has the same function like #1 tab; however, it shows up 16 different category list is shown at first and a user can select one item and all item in that selected category was shown up and everything else is working like #1 ϖ #3, ¬ tab #3is the same as #1; however, each item has a quick comment/reply function instead of QnA in #1 ϖ #4 directs user to user profile window ϖ #5 opens html text file with sending email function for special help ϖ common windows for each tab except #5 ¬ Login window • Email and password • A user has to log in before listing item to sell or only place a bid on searched item based on his location • Signup button to direct an unregistered user to signup window ¬ Signup window • Also a user can signup/login with other well-known SNS such as Facebook or Google or any other third party that provides API ¬ List item window • A seller can list an item with item name, number of item, category, price, description, item condition (A ~ D), less than 4 pictures from camera or existing photo library, add up to 3 multiple locations by adding automatically GPS or a buyer’s specific location, buyer’s specific keyword for searching ¬ User profile window (for each user) • A user name, profile picture(optional), item listed to sell or bid if any, current or last known location, average feedback (1~5 stars) with all comment and number of transaction, saved keyword (only view by user only), chat button • Logged user can leave comment with feedback (1~5) on a user profile • As a seller, a user should be able to share the selling item with existing social network service such as Facebook, Instagram, twitter, and etc) • User profile window is popped up when the user icon was clicked on the screen ϖ List item window should be shown up once Add button is click and item should be added to clicked tab. For example, the add button is always floating at all the time; however, it adds item to list on the tab current selected. When tab #1 is selected and add button was clicked, add item through list item window to only tab 1 list ϖ Tab #1 and #2 is shared the same item; however, all other item is separated by tab # currently selected ϖ A user can get separately notification (sound or vibration or both) by the following condition and turn on/off the notification ϖ A user can edit/delete comments or reply the user wrote ϖ Administrator can send push to all registered user(phone) ϖ Detailed ui/ux will be delivered in soft copy Condition: Strictly use ionic framework and Angular JS, php, MySQL or any compatible alternatives should be discussed beforehand, not to use free or commercial third party API or cloud service such as firebase should be deployed common cloud service such as AWS or MS azure able to chat between the users Preferred: able to add online payment service such as paypal, alipay or so on Delivery: Within a month