#86 feat : 위치 권한 확인 로직, Extensions 함수로 분리

Aos/app/src/main/java/com/avengers/nibobnebob/presentation/ui/UiExtensions.kt

@@ -1,10 +1,54 @@
 package com.avengers.nibobnebob.presentation.ui
 
 import android.content.Context
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.location.LocationManager
+import android.provider.Settings
 import android.view.View
 import android.view.inputmethod.InputMethodManager
+import android.widget.Toast
+import androidx.core.content.ContextCompat
 
 internal fun Context.hideKeyboard(view: View) {
     val imm = getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
     imm.hideSoftInputFromWindow(view.windowToken, 0)
+}
+
+internal fun Context.requestLocationPermission(
+    permissionList: Array<String>,
+    onLauncherStart: () -> Unit,
+    onTrackingChangeListener: (Boolean) -> Unit
+) {
+    var permissionFlag = false
+    permissionList.forEach { permission ->
+        permissionFlag = ContextCompat.checkSelfPermission(
+            this,
+            permission
+        ) == PackageManager.PERMISSION_GRANTED
+    }
+
+    if (permissionFlag) {
+        checkLocationIsOn(){
+            onTrackingChangeListener(it)
+        }
+    } else {
+        onLauncherStart()
+        Toast.makeText(this, "위치권한을 허용해주세요", Toast.LENGTH_SHORT).show()
+    }
+}
+
+
+internal fun Context.checkLocationIsOn(
+    onTrackingChangeListener: (Boolean) -> Unit
+) {
+    val locationManager =
+        getSystemService(Context.LOCATION_SERVICE) as LocationManager
+    if (locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {
+        onTrackingChangeListener(true)
+    } else {
+        startActivity(Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS))
+        Toast.makeText(this, "휴대폰 GPS를 켜주세요", Toast.LENGTH_SHORT).show()
+        onTrackingChangeListener(false)
+    }
 }

Aos/app/src/main/java/com/avengers/nibobnebob/presentation/ui/main/home/HomeFragment.kt

@@ -1,17 +1,10 @@
 package com.avengers.nibobnebob.presentation.ui.main.home
 
 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.view.View
 import android.widget.ImageButton
-import android.widget.Toast
 import androidx.activity.result.contract.ActivityResultContracts
-import androidx.core.content.ContextCompat
 import androidx.databinding.BindingAdapter
 import androidx.fragment.app.activityViewModels
 import androidx.fragment.app.viewModels
@@ -22,9 +15,11 @@ import com.avengers.nibobnebob.R
 import com.avengers.nibobnebob.databinding.FragmentHomeBinding
 import com.avengers.nibobnebob.presentation.base.BaseFragment
 import com.avengers.nibobnebob.presentation.customview.RestaurantBottomSheet
+import com.avengers.nibobnebob.presentation.ui.checkLocationIsOn
 import com.avengers.nibobnebob.presentation.ui.main.MainViewModel
 import com.avengers.nibobnebob.presentation.ui.main.home.adapter.HomeFilterAdapter
 import com.avengers.nibobnebob.presentation.ui.main.home.model.UiMarkerData
+import com.avengers.nibobnebob.presentation.ui.requestLocationPermission
 import com.naver.maps.geometry.LatLng
 import com.naver.maps.map.LocationTrackingMode
 import com.naver.maps.map.MapFragment
@@ -107,16 +102,17 @@ class HomeFragment : BaseFragment<FragmentHomeBinding>(R.layout.fragment_home),
         }
     }
 
-    private fun initEventObserver(){
+    private fun initEventObserver() {
         repeatOnStarted {
-            viewModel.events.collect{
-                when(it){
+            viewModel.events.collect {
+                when (it) {
                     is HomeEvents.NavigateToSearchRestaurant -> findNavController().toSearchRestaurant()
                     is HomeEvents.SetNewMarkers -> {
-                        viewModel.uiState.value.markerList.forEach {  data ->
+                        viewModel.uiState.value.markerList.forEach { data ->
                             setMarker(data)
                         }
                     }
+
                     is HomeEvents.RemoveMarkers -> removeAllMarker()
                     else -> {}
                 }
@@ -128,7 +124,14 @@ class HomeFragment : BaseFragment<FragmentHomeBinding>(R.layout.fragment_home),
         repeatOnStarted {
             viewModel.uiState.collect {
                 when (it.locationTrackingState) {
-                    is TrackingState.TryOn -> requestLocationPermission()
+                    is TrackingState.TryOn -> {
+                        requireContext().requestLocationPermission(
+                            locationPermissionList,
+                            ::startPermissionLauncher,
+                            ::onTrackingChangeListener
+                        )
+                    }
+
                     is TrackingState.On -> naverMap.locationTrackingMode =
                         LocationTrackingMode.Follow
 
@@ -139,41 +142,21 @@ class HomeFragment : BaseFragment<FragmentHomeBinding>(R.layout.fragment_home),
         }
     }
 
-    private fun requestLocationPermission() {
-        var permissionFlag = false
-        locationPermissionList.forEach { permission ->
-            permissionFlag = ContextCompat.checkSelfPermission(
-                requireContext(),
-                permission
-            ) == PackageManager.PERMISSION_GRANTED
-        }
-
-        if (permissionFlag) {
-            checkLocationIsOn()
-        } else {
-            requestPermissionLauncher.launch(locationPermissionList)
-            Toast.makeText(requireContext(), "위치권한을 허용해주세요", Toast.LENGTH_SHORT).show()
-        }
+    private fun startPermissionLauncher() {
+        requestPermissionLauncher.launch(locationPermissionList)
     }
 
     private val requestPermissionLauncher = registerForActivityResult(
         ActivityResultContracts.RequestMultiplePermissions()
     ) { resultMap ->
         val isAllGranted = locationPermissionList.all { resultMap[it] == true }
-        if (isAllGranted) checkLocationIsOn()
+        if (isAllGranted) requireContext().checkLocationIsOn(::onTrackingChangeListener)
         else viewModel.trackingOff()
     }
 
-    private fun checkLocationIsOn() {
-        val locationManager =
-            requireContext().getSystemService(Context.LOCATION_SERVICE) as LocationManager
-        if (locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {
-            viewModel.trackingOn()
-        } else {
-            startActivity(Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS))
-            Toast.makeText(requireContext(), "휴대폰 GPS를 켜주세요", Toast.LENGTH_SHORT).show()
-            viewModel.trackingOff()
-        }
+    private fun onTrackingChangeListener(state: Boolean) {
+        if (state) viewModel.trackingOn()
+        else viewModel.trackingOff()
     }
 
     // todo markerData model을 정의하여, 파라미터로 해당 데이터를 삽입
@@ -200,7 +183,7 @@ class HomeFragment : BaseFragment<FragmentHomeBinding>(R.layout.fragment_home),
     }
 
     // todo 모든 marker 데이터 markerList 에 저장해 놨다가, remove 다음 방식으로 진행
-    private fun removeAllMarker(){
+    private fun removeAllMarker() {
         markerList.forEach {
             it.map = null
         }