Weather app #19 : isLocationEnabled()

MainActivity

import android.Manifest
import android.content.Context
import android.content.Intent
import android.content.pm.PackageManager
import android.location.LocationManager
import android.os.Bundle
import android.provider.Settings
import android.util.Log
import androidx.fragment.app.Fragment
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.Toast
import androidx.activity.result.ActivityResultLauncher
import androidx.activity.result.contract.ActivityResultContracts
import androidx.core.app.ActivityCompat
import androidx.fragment.app.FragmentActivity
import androidx.fragment.app.activityViewModels
import com.android.volley.Request
import com.android.volley.toolbox.StringRequest
import com.android.volley.toolbox.Volley
import com.google.android.gms.location.FusedLocationProviderClient
import com.google.android.gms.location.LocationRequest
import com.google.android.gms.location.LocationServices
import com.google.android.gms.location.Priority
import com.google.android.gms.tasks.CancellationTokenSource
import com.google.android.material.tabs.TabLayoutMediator
import com.meter_alc_rgb.weatherappcursey.DialogManager
import com.meter_alc_rgb.weatherappcursey.MainViewModel
import com.meter_alc_rgb.weatherappcursey.R
import com.meter_alc_rgb.weatherappcursey.adapters.VpAdapter
import com.meter_alc_rgb.weatherappcursey.adapters.WeatherModel
import com.meter_alc_rgb.weatherappcursey.databinding.FragmentMainBinding
import com.squareup.picasso.Picasso
import org.json.JSONObject

const val API_KEY = "Ваш API ключ"

class MainFragment : Fragment() {
private lateinit var fLocationClient: FusedLocationProviderClient
private val fList = listOf(
HoursFragment.newInstance(),
DaysFragment.newInstance()
)
private val tList = listOf(
"Hours",
"Days"
)
private lateinit var pLauncher: ActivityResultLauncher<String>
private lateinit var binding: FragmentMainBinding
private val model: MainViewModel by activityViewModels()

override fun onCreateView(
inflater: LayoutInflater, container: ViewGroup?,
savedInstanceState: Bundle?
): View {
binding = FragmentMainBinding.inflate(inflater, container, false)
return binding.root
}

override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
checkPermission()
init()
updateCurrentCard()
}

override fun onResume() {
super.onResume()
checkLocation()
}

private fun init() = with(binding){
fLocationClient = LocationServices.getFusedLocationProviderClient(requireContext())
val adapter = VpAdapter(activity as FragmentActivity, fList)
vp.adapter = adapter
TabLayoutMediator(tabLayout, vp){
tab, pos -> tab.text = tList[pos]
}.attach()
ibSync.setOnClickListener {
tabLayout.selectTab(tabLayout.getTabAt(0))
checkLocation()
}
}

private fun checkLocation(){
if(isLocationEnabled()){
getLocation()
} else {
DialogManager.locationSettingsDialog(requireContext(), object : DialogManager.Listener{
override fun onClick() {
startActivity(Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS))
}
})
}
}

private fun isLocationEnabled(): Boolean{
val lm = activity?.getSystemService(Context.LOCATION_SERVICE) as LocationManager
return lm.isProviderEnabled(LocationManager.GPS_PROVIDER)
}

private fun getLocation(){
val ct = CancellationTokenSource()
if (ActivityCompat.checkSelfPermission(
requireContext(),
Manifest.permission.ACCESS_FINE_LOCATION
) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(
requireContext(),
Manifest.permission.ACCESS_COARSE_LOCATION
) != PackageManager.PERMISSION_GRANTED
) {
return
}
fLocationClient
.getCurrentLocation(Priority.PRIORITY_HIGH_ACCURACY, ct.token)
.addOnCompleteListener{
requestWeatherData("${it.result.latitude},${it.result.longitude}")
}
}

private fun updateCurrentCard() = with(binding){
model.liveDataCurrent.observe(viewLifecycleOwner){
val maxMinTemp = "${it.maxTemp}ºC / ${it.minTemp}ºC"
tvData.text = it.time
tvCity.text = it.city
tvCurrentTemp.text = it.currentTemp.ifEmpty { maxMinTemp }
tvCondition.text = it.condition
tvMaxMin.text = if(it.currentTemp.isEmpty()) "" else maxMinTemp
Picasso.get().load("https:" + it.imageUrl).into(imWeather)
}
}

private fun permissionListener(){
pLauncher = registerForActivityResult(
ActivityResultContracts.RequestPermission()){
Toast.makeText(activity, "Permission is $it", Toast.LENGTH_LONG).show()
}
}

private fun checkPermission(){
if(!isPermissionGranted(Manifest.permission.ACCESS_FINE_LOCATION)){
permissionListener()
pLauncher.launch(Manifest.permission.ACCESS_FINE_LOCATION)
}
}

private fun requestWeatherData(city: String){
val url = "https://api.weatherapi.com/v1/forecast.json?key=" +
API_KEY +
"&q=" +
city +
"&days=" +
"3" +
"&aqi=no&alerts=no"
val queue = Volley.newRequestQueue(context)
val request = StringRequest(
Request.Method.GET,
url,
{
result -> parseWeatherData(result)
},
{
error -> Log.d("MyLog", "Error: $error")
}
)
queue.add(request)
}

private fun parseWeatherData(result: String) {
val mainObject = JSONObject(result)
val list = parseDays(mainObject)
parseCurrentData(mainObject, list[0])
}

private fun parseDays(mainObject: JSONObject): List<WeatherModel>{
val list = ArrayList<WeatherModel>()
val daysArray = mainObject.getJSONObject("forecast")
.getJSONArray("forecastday")
val name = mainObject.getJSONObject("location").getString("name")
for (i in 0 until daysArray.length()){
val day = daysArray[i] as JSONObject
val item = WeatherModel(
name,
day.getString("date"),
day.getJSONObject("day").getJSONObject("condition")
.getString("text"),
"",
day.getJSONObject("day").getString("maxtemp_c").toFloat().toInt().toString(),
day.getJSONObject("day").getString("mintemp_c").toFloat().toInt().toString(),
day.getJSONObject("day").getJSONObject("condition")
.getString("icon"),
day.getJSONArray("hour").toString()
)
list.add(item)
}
model.liveDataList.value = list
return list
}

private fun parseCurrentData(mainObject: JSONObject, weatherItem: WeatherModel){
val item = WeatherModel(
mainObject.getJSONObject("location").getString("name"),
mainObject.getJSONObject("current").getString("last_updated"),
mainObject.getJSONObject("current")
.getJSONObject("condition").getString("text"),
mainObject.getJSONObject("current").getString("temp_c"),
weatherItem.maxTemp,
weatherItem.minTemp,
mainObject.getJSONObject("current")
.getJSONObject("condition").getString("icon"),
weatherItem.hours
)
model.liveDataCurrent.value = item
}

companion object {
@JvmStatic
fun newInstance() = MainFragment()
}
}

DialogManager

import android.app.AlertDialog
import android.content.Context

object DialogManager {
fun locationSettingsDialog(context: Context, listener: Listener){
val builder = AlertDialog.Builder(context)
val dialog = builder.create()
dialog.setTitle("Enable location?")
dialog.setMessage("Location disabled, do you want enable location?")
dialog.setButton(AlertDialog.BUTTON_POSITIVE, "OK"){ _,_ ->
listener.onClick()
dialog.dismiss()
}
dialog.setButton(AlertDialog.BUTTON_NEGATIVE, "Cancel"){ _,_ ->
dialog.dismiss()
}
dialog.show()
}
interface Listener{
fun onClick()
}
}

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