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README.md

MobileEventLog

A cross plattform project for android and ios to log events offline everywhere and sync them to sensor. Developed with flutter.

Minimum Concept

  • Config page: Select the collection and get corresponding devices, get all event types. Store all this to a local configuraion.json file.

  • Log page: Allow selection of a device and adding a new event with all details. Add button adds the event to the staged events. Fields are not cleared but kept as they are.

  • Staged Event: Show all entered and not yet uploaded events. Allow modification of all fields here.

  • Synced Event: Show all uploaded events. Optionally filter by device.

Questions:

  • How to store not uploaded events locally? Dumping jsons to a file?, ObjectBox, SharedPreferences,

Local Base Data Concept

  • The configuration.dart age widget is used to get the online available information for available devices and event creation.
  • This includes: All collections, All devices part of a selected collection, Event operation types
  • This "base data" is required to provide the dropdown menu options on the addevent.dart page.
  • This "base data" needs to be stored persistently, so that it is available also offline!

Add Event Widget

  • Usw Switch for automatic GNSS and Time update.
  • Show "now" time button only if GNSS is disabled. This button shall fill the timestamp with the current utc time.

View Events Widget

  • Events added on the addevent.dart page have to be stored locally persistently. They can be displayed in the view events widget. Each event has a flag which shows if the event is already exported to sensor. Shall exported events be displayed here? Slide switch to also show exported events?
  • Functionality to export events locally for backup in the field!

Configuration Page

  • Dropdown "Collection" to select a collection
  • Textfield to show current locally selected and offline available collection
  • Button "get Collection devices from Sensor"
  • Button "store Collection devices locally"
  • Select a Mission from the new Sensor-Mission-Management to get a set of devices.
  • Also input username und passwort on this page. "Test login on store even if not required here"

GNSS

  • Checkbox on add event page which activates GNSS locationing. A field shall signal "no fix" or presision in meter. The fields lat, long, elevation are updated automatically if checkbox is checked.

Input validation

a-z , A-Z , _ , 0-9 , ,(Comma) , ( , ) , + , - , . , :

-90 => Latitude <= +90 -180 => Latitude <= +180 Elevation: any numer