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Android Auto: implement experimental setOnContentRefreshListener API

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has no effect yet on Android Auto 7.3
This commit is contained in:
johan12345
2022-01-28 22:46:44 +01:00
parent 7b3735f8e8
commit 04aa8d1160
1 changed files with 7 additions and 25 deletions
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32
app/src/google/java/net/vonforst/evmap/auto/MapScreen.kt
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@@ -47,18 +47,12 @@ import kotlin.math.roundToInt
/**
* Main map screen showing either nearby chargers or favorites
*/
@androidx.car.app.annotations.ExperimentalCarApi
class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boolean = false) :
Screen(ctx), LocationAwareScreen {
Screen(ctx), LocationAwareScreen, OnContentRefreshListener {
private var updateCoroutine: Job? = null
private var numUpdates = 0
/* Updating map contents is disabled - if the user uses Chargeprice from the charger
detail screen, this already means 4 steps, after which the app would crash.
follow https://issuetracker.google.com/issues/176694222 for updates how to solve this. */
private val maxNumUpdates = 1
private var location: Location? = null
private var lastChargerUpdateLocation: Location? = null
private var lastDistanceUpdateTime: Instant? = null
private var chargers: List<ChargeLocation>? = null
private var prefs = PreferenceDataSource(ctx)
@@ -67,7 +61,6 @@ class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boole
createApi(prefs.dataSource, ctx)
}
private val searchRadius = 5 // kilometers
private val chargerUpdateThreshold = 2000 // meters
private val distanceUpdateThreshold = Duration.ofSeconds(15)
private val availabilityUpdateThreshold = Duration.ofMinutes(1)
private var availabilities: MutableMap<Long, Pair<ZonedDateTime, ChargeLocationStatus>> =
@@ -151,7 +144,6 @@ class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boole
.setOnClickListener {
screenManager.pushForResult(FilterScreen(carContext)) {
chargers = null
numUpdates = 0
filterStatus.value =
prefs.filterStatus.takeUnless { it == FILTERS_CUSTOM || it == FILTERS_FAVORITES }
?: FILTERS_DISABLED
@@ -162,6 +154,7 @@ class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boole
.build())
}
build()
setOnContentRefreshListener(this@MapScreen)
}.build()
}
@@ -264,14 +257,6 @@ class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boole
// update displayed distances
invalidate()
}
if (lastChargerUpdateLocation == null ||
location.distanceTo(lastChargerUpdateLocation) > chargerUpdateThreshold
) {
lastChargerUpdateLocation = location
// update displayed chargers
loadChargers()
}
}
private fun loadChargers() {
@@ -279,13 +264,6 @@ class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boole
val referenceData = referenceData.value ?: return
val filters = filtersWithValue.value ?: return
numUpdates++
println(numUpdates)
if (numUpdates > maxNumUpdates) {
/*CarToast.makeText(carContext, R.string.auto_no_refresh_possible, CarToast.LENGTH_LONG)
.show()*/
return
}
updateCoroutine = lifecycleScope.launch {
try {
// load chargers
@@ -380,4 +358,8 @@ class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boole
println("Removing energy level listener")
hardwareMan.carInfo.removeEnergyLevelListener(::onEnergyLevelUpdated)
}
override fun onContentRefreshRequested() {
loadChargers()
}
}