amethyst/app/src/main/java/com/vitorpamplona/amethyst/service/LocationUtil.kt

115 wiersze
4.0 KiB
Kotlin

/**
* Copyright (c) 2024 Vitor Pamplona
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
* Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package com.vitorpamplona.amethyst.service
import android.annotation.SuppressLint
import android.content.Context
import android.location.Geocoder
import android.location.Location
import android.location.LocationListener
import android.location.LocationManager
import android.os.HandlerThread
import androidx.compose.runtime.MutableState
import androidx.compose.runtime.mutableStateOf
import kotlinx.coroutines.CancellationException
import kotlinx.coroutines.flow.MutableStateFlow
class LocationUtil(context: Context) {
companion object {
const val MIN_TIME: Long = 1000L
const val MIN_DISTANCE: Float = 0.0f
}
private val locationManager =
context.getSystemService(Context.LOCATION_SERVICE) as LocationManager
private var locationListener: LocationListener? = null
val locationStateFlow = MutableStateFlow<Location>(Location(LocationManager.NETWORK_PROVIDER))
val providerState = mutableStateOf(false)
val isStart: MutableState<Boolean> = mutableStateOf(false)
private val locHandlerThread = HandlerThread("LocationUtil Thread")
init {
locHandlerThread.start()
}
@SuppressLint("MissingPermission")
fun start(
minTimeMs: Long = MIN_TIME,
minDistanceM: Float = MIN_DISTANCE,
) {
locationListener().let {
locationListener = it
locationManager.requestLocationUpdates(
LocationManager.NETWORK_PROVIDER,
minTimeMs,
minDistanceM,
it,
locHandlerThread.looper,
)
}
providerState.value = locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER)
isStart.value = true
}
fun stop() {
locationListener?.let { locationManager.removeUpdates(it) }
isStart.value = false
}
private fun locationListener() =
object : LocationListener {
override fun onLocationChanged(location: Location) {
locationStateFlow.value = location
}
override fun onProviderEnabled(provider: String) {
providerState.value = true
}
override fun onProviderDisabled(provider: String) {
providerState.value = false
}
}
}
class ReverseGeoLocationUtil {
suspend fun execute(
location: Location,
context: Context,
): String? {
return try {
Geocoder(context)
.getFromLocation(location.latitude, location.longitude, 1)
?.firstOrNull()
?.let { address ->
listOfNotNull(address.locality ?: address.subAdminArea, address.countryCode)
.joinToString(", ")
}
} catch (e: Exception) {
if (e is CancellationException) throw e
e.printStackTrace()
return null
}
}
}