app for web scada: this app is use for anyone who register account at our company website(http://iot.vidagrid.com), the main feature show below: 1.show alarm information and register value of our company devices which is buy with consumers 2.show register history chart in projects item 3.provide scan barcode feature that login our website(http://iot.vidagrid.com) by this app; to use this feature, this app will access camera of your phone