This is an app mainly using the concepts of WEBSOCKETS to get realtime data of stocks and then concurrently display the data graphically.

App Demo Video

• Users can view realtime data (Candle Stick Graph) for their selected cryptos.
• Users can also change the interval of the Candle Stick of the graph.
• Users can search for cryptos.
• Users can also add some cryptos as their favourites so that they can access it directly.
• Users can get to know realTime PRICE , HIGH PRICE , LOW PRICE of the crypto.

• This page is the first page that you get after launching the app.
• This page has options to search Stocks and also navigate to Favourite Stock Page.
• It also has predefined stocks that are common which are always shown on the app for fast access.

• This page shows the the details of the selected stock.
• User can view Candle Stick graph of the stock and also observe realtime price, high price , low price for the stock.
• User can also choose the time interval for the candle Stick grap [1m 5m 15m 30m 1w 1D 1M].
• This page also gives you the option to add the stock to your Favourites List.

• This page shows all the list of stocks that you have set as favourite so that you can access them directly from here reducing the process to search stocks.

channel = WebSocketChannel.connect( Uri.parse('wss://ws.finnhub.io?token=c6av1iaad3ieq36s0q9g'), );

channel.sink.add('{"type": "subscribe", "symbol": "${widget.symbol}"}');

• Used StreamBuilder to continuosly listen and update changes in the app.

• After opening the page the app connects to the WEBSOCKET.
• Then an HTTP request is made to get previous data.
• A message is sent to WEBSOCKET which inturns send data
• Used a stream builder to update the widget synchronously with WEBSOCKET
• Based on the Time Interval either a new candle is added or the latest candle is updated.

• CandleStick widget - to display graph
• Hive - to store favourite cryptocurrencies