14.4. User interface

NextGIS Tracker app has two principal screens:

  • Main screen;

  • Settings screen.

14.4.1. Main screen

The main screen of the app is shown on Pic. 14.6..

../../_images/tracker_main_en.png

Pic. 14.6. Main screen

The main screen shows information about track recording.

In the Current location section:

  • Information about the track in progress (if GPS is available);

  • No information about the track in progress (no GPS access);

In the Status section:

  • If no recording is in progress, the message is: “Stand by. Tap Start to start collecting tracking data.”;

  • If a recording is in progress, the message is “Collecting tracking data and syncing …”;

In the Tracks section:

  • If you have recorded tracks, they are shown in this section. Tracks can be exported to GPX file;

  • If there are no tracks, the section is empty;

  • Button that starts/stops track recording.

14.4.2. Settings

Settings screen is shown on Pic. 14.7..

../../_images/tr_settings_en.png

Pic. 14.7. Settings screen

On the Settings screen you can configure the following parameters:

In the Sync section:

  • “Sync with the cloud” - enable or disable synchronization with Web GIS;

  • “Device ID” - copy the ID of your device;

In the Tracks section:

  • “Divide tracks by days” - at midnight the current track stops and a new one begins;

  • “Coordinate pick time interval” - how often the app detects and records coordinates. Select from a dropdown list an interval between 1 second and 45 min.;

  • “Minimum distance to pick coordinates” - select the smallest change in distance to be marked as a new location (1-300 m);

  • “Sync interval, sec” - select from a dropdown list how often to synchronize tracks with Web GIS (min 1 sec., max 45 min.);

  • “Max points to send at once” - select from a dropdown list a number between 1 and 300.