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save temp track only every 9+ seconds (see #96)

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y20k 2021-03-15 11:47:25 +01:00
parent dbad7bb1cb
commit c193e8a475
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GPG key ID: 824D4259F41FAFF6
2 changed files with 35 additions and 19 deletions
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1
app/src/main/java/org/y20k/trackbook/Keys.kt
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@ -97,6 +97,7 @@ object Keys {
const val EMPTY_STRING_RESOURCE: Int = 0
const val REQUEST_CURRENT_LOCATION_INTERVAL: Long = 1000L // 1 second in milliseconds
const val ADD_WAYPOINT_TO_TRACK_INTERVAL: Long = 1000L // 1 second in milliseconds
const val SAVE_TEMP_TRACK_INTERVAL: Long = 9000L // 9 seconds in milliseconds
const val SIGNIFICANT_TIME_DIFFERENCE: Long = 120000L // 2 minutes in milliseconds
const val STOP_OVER_THRESHOLD: Long = 300000L // 5 minutes in milliseconds
const val IMPLAUSIBLE_TRACK_START_SPEED: Double = 250.0 // 250 km/h

53
app/src/main/java/org/y20k/trackbook/TrackerService.kt
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@ -62,6 +62,7 @@ class TrackerService: Service(), CoroutineScope, SensorEventListener {
var gpsOnly: Boolean = false
var locationAccuracyThreshold: Int = Keys.DEFAULT_THRESHOLD_LOCATION_ACCURACY
var currentBestLocation: Location = LocationHelper.getDefaultLocation()
var lastSave: Date = Keys.DEFAULT_DATE
var stepCountOffset: Float = 0f
var resumed: Boolean = false
var track: Track = Track()
@ -247,8 +248,10 @@ class TrackerService: Service(), CoroutineScope, SensorEventListener {
/* Stop tracking location */
fun stopTracking() {
// save state
// save temp track
track.recordingStop = GregorianCalendar.getInstance().time
GlobalScope.launch { FileHelper.saveTempTrackSuspended(this@TrackerService, track) }
// save state
trackingState = Keys.STATE_TRACKING_STOPPED
PreferencesHelper.saveTrackingState(this, trackingState)
// stop recording steps and location fixes
@ -270,21 +273,21 @@ class TrackerService: Service(), CoroutineScope, SensorEventListener {
}
/* Saves track recording to storage */
fun saveTrack() {
// save track using "deferred await"
launch {
// step 1: create and store filenames for json and gpx files
track.trackUriString = FileHelper.getTrackFileUri(this@TrackerService, track).toString()
track.gpxUriString = FileHelper.getGpxFileUri(this@TrackerService, track).toString()
// step 2: save track
FileHelper.saveTrackSuspended(track, saveGpxToo = true)
// step 3: save tracklist
FileHelper.addTrackAndSaveTracklistSuspended(this@TrackerService, track)
// step 3: clear track
clearTrack()
}
}
// /* Saves track recording to storage */ // todo remove
// fun saveTrack() {
// // save track using "deferred await"
// launch {
// // step 1: create and store filenames for json and gpx files
// track.trackUriString = FileHelper.getTrackFileUri(this@TrackerService, track).toString()
// track.gpxUriString = FileHelper.getGpxFileUri(this@TrackerService, track).toString()
// // step 2: save track
// FileHelper.saveTrackSuspended(track, saveGpxToo = true)
// // step 3: save tracklist
// FileHelper.addTrackAndSaveTracklistSuspended(this@TrackerService, track)
// // step 3: clear track
// clearTrack()
// }
// }
/* Creates location listener */
@ -462,11 +465,23 @@ class TrackerService: Service(), CoroutineScope, SensorEventListener {
// reset resumed flag, if necessary
resumed = false
}
// check, if waypoint was added
if (result.second) {
// reset resumed flag, if necessary
if (resumed) {
resumed = false
}
// save a temp track
val now: Date = GregorianCalendar.getInstance().time
if (now.time - lastSave.time > Keys.SAVE_TEMP_TRACK_INTERVAL) {
lastSave = now
GlobalScope.launch { FileHelper.saveTempTrackSuspended(this@TrackerService, track) }
LogHelper.e(TAG, "TEMP SAVE: $lastSave")
}
}
// update notification
displayNotification()
// save temp track using GlobalScope.launch = fire & forget (no return value from save)
GlobalScope.launch { FileHelper.saveTempTrackSuspended(this@TrackerService, track) }
// re-run this in 10 seconds
// re-run this in set interval
handler.postDelayed(this, Keys.ADD_WAYPOINT_TO_TRACK_INTERVAL)
}
}