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Debouncing location updates

This commit is contained in:
Maxime NATUREL 2022-05-03 16:55:14 +02:00
parent 7860173fa2
commit c61412520d
1 changed files with 18 additions and 7 deletions
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25
vector/src/main/java/im/vector/app/features/location/LocationTracker.kt
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@ -44,6 +44,8 @@ class LocationTracker @Inject constructor(
private var hasGpsProviderLiveLocation = false private var hasGpsProviderLiveLocation = false
private var lastLocationUpdateMillis: Long? = null
private var lastLocation: LocationData? = null private var lastLocation: LocationData? = null
@RequiresPermission(anyOf = [Manifest.permission.ACCESS_COARSE_LOCATION, Manifest.permission.ACCESS_FINE_LOCATION]) @RequiresPermission(anyOf = [Manifest.permission.ACCESS_COARSE_LOCATION, Manifest.permission.ACCESS_FINE_LOCATION])
@ -84,7 +86,7 @@ class LocationTracker @Inject constructor(
} else { } else {
Timber.d("## LocationTracker. lastKnownLocation: ${latestKnownLocation.provider}") Timber.d("## LocationTracker. lastKnownLocation: ${latestKnownLocation.provider}")
} }
notifyLocation(latestKnownLocation, isLive = false) notifyLocation(latestKnownLocation)
} }
} }
} }
@ -123,14 +125,10 @@ class LocationTracker @Inject constructor(
} else { } else {
Timber.d("## LocationTracker. onLocationChanged: ${location.provider}") Timber.d("## LocationTracker. onLocationChanged: ${location.provider}")
} }
notifyLocation(location, isLive = true)
}
private fun notifyLocation(location: Location, isLive: Boolean) {
Timber.d("## LocationTracker. notify location")
when (location.provider) { when (location.provider) {
LocationManager.GPS_PROVIDER -> { LocationManager.GPS_PROVIDER -> {
hasGpsProviderLiveLocation = isLive hasGpsProviderLiveLocation = true
} }
else -> { else -> {
if (hasGpsProviderLiveLocation) { if (hasGpsProviderLiveLocation) {
@ -140,9 +138,22 @@ class LocationTracker @Inject constructor(
} }
} }
} }
val nowMillis = System.currentTimeMillis()
val elapsedMillis = nowMillis - (lastLocationUpdateMillis ?: 0)
if (elapsedMillis >= MIN_TIME_TO_UPDATE_LOCATION_MILLIS) {
lastLocationUpdateMillis = nowMillis
notifyLocation(location)
} else {
Timber.d("## LocationTracker. ignoring location: update is too fast")
}
}
private fun notifyLocation(location: Location) {
Timber.d("## LocationTracker. notify location")
val locationData = location.toLocationData() val locationData = location.toLocationData()
lastLocation = locationData lastLocation = locationData
callbacks.forEach { it.onLocationUpdate(locationData) } callbacks.forEach { it.onLocationUpdate(location.toLocationData()) }
} }
override fun onProviderDisabled(provider: String) { override fun onProviderDisabled(provider: String) {