μlogger

μlogger [micro-logger] is an android application for continuous logging of location coordinates, designed to record hiking, biking tracks and other outdoor activities. Application works in background. Track points are saved automatically at chosen intervals or manually and may be uploaded to dedicated server in real time. This client works with μlogger web server. Together they make a complete self owned and controlled client–server solution.

Features

• meant to be simple and small (μ)
• low memory and battery impact
• focus on privacy, doesn't use Google Play services, logs to self-owned server
• uses GPS or network based location data
• synchronizes location with web server in real time, in case of problems keeps retrying
• alternatively works in offline mode; positions may be uploaded to the servers manually
• allows adding waypoints with attached images and comments (required μlogger server version 1.0+ for synchronization)
• configurable tracking settings
• export to GPX format
• automation

Screenshots

Download

Help

• μlogger's current status is shown by two leds, one for location tracking and one for web synchronization:

led	tracking	synchronization
	on, recently updated	synchronized
	on, long time since last update	synchronization delay
	off	synchronization error

• clicking on current track's name will show track statistics

Automating

• μlogger may accept commands from other applications for starting or stopping its operations. To make it work you must explicitly enable this functionality in app settings ("Allow external commands" switch).
• commands are sent as broadcasts with following intent parameters:
  • target package: net.fabiszewski.ulogger
  • target class: net.fabiszewski.ulogger.ExternalCommandReceiver
  • action: net.fabiszewski.ulogger.intent.action.COMMAND
  • extra: "command": [command name], where command name is one of:
    • "start logger" for starting position logging
    • "start new logger" for creating a New Track and starting position logging to it
    • "stop logger" for stopping position logging
    • "start upload" for starting track data upload to server (in case live tracking is off)
• third party examples:
  • Automate (LlamaLab) – Send broadcast block with Package, Receiver Class and Action fields as above and Extras field eg. {"command": "start logger"}
  • Tasker (joaomgcd) – System → Send intent. Fields Action, Package, Class as above and Extra field eg. command:start logger
• command line: am broadcast -a net.fabiszewski.ulogger.intent.action.COMMAND -e "command" "start logger" net.fabiszewski.ulogger net.fabiszewski.ulogger.ExternalCommandReceiver

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License