[Android] 현재 내 위치 가져오는 법

※ 모든 코드는 예시 코드기 때문에 사용하려면 반드시 예외처리, 리팩토링 후 사용한다

 

libs.version.toml 파일에 라이브러리를 하나 추가하고 앱 gradle에 적용한다.

 

[versions]
playServicesLocation = "21.3.0"

[libraries]
play-services-location = { module = "com.google.android.gms:play-services-location", version.ref = "playServicesLocation" }

implementation(libs.play.services.location)

 

그리고 매니페스트에 권한을 추가한다.

 

<!-- Always include this permission -->
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />

<!-- Include only if your app benefits from precise location access. -->
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

 

액티비티 파일은 아래와 같이 작성한다.

 

import android.Manifest
import android.content.pm.PackageManager
import android.location.Geocoder
import android.location.Location
import android.os.Bundle
import androidx.activity.enableEdgeToEdge
import androidx.activity.result.contract.ActivityResultContracts
import androidx.appcompat.app.AppCompatActivity
import androidx.core.app.ActivityCompat
import androidx.core.view.ViewCompat
import androidx.core.view.WindowInsetsCompat
import com.example.locationtestapp.databinding.ActivityMainBinding
import com.google.android.gms.location.FusedLocationProviderClient
import com.google.android.gms.location.LocationServices
import java.util.Locale

class MainActivity : AppCompatActivity() {

    private lateinit var fusedLocationClient: FusedLocationProviderClient
    private lateinit var binding: ActivityMainBinding

    private val requestPermissionLauncher =
        registerForActivityResult(ActivityResultContracts.RequestPermission()) { isGranted: Boolean ->
            if (isGranted) {
                getCurrentLocation()
            }
        }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        binding = ActivityMainBinding.inflate(layoutInflater)
        setContentView(binding.root)

        enableEdgeToEdge()
        ViewCompat.setOnApplyWindowInsetsListener(binding.main) { v, insets ->
            val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)
            insets
        }

        fusedLocationClient = LocationServices.getFusedLocationProviderClient(this)

        requestLocationPermission()
    }

    private fun requestLocationPermission() {
        if (ActivityCompat.checkSelfPermission(
                this,
                Manifest.permission.ACCESS_FINE_LOCATION
            ) != PackageManager.PERMISSION_GRANTED
        ) {
            requestPermissionLauncher.launch(Manifest.permission.ACCESS_FINE_LOCATION)
        } else {
            getCurrentLocation()
        }
    }

    private fun getCurrentLocation() {
        if (ActivityCompat.checkSelfPermission(
                this,
                Manifest.permission.ACCESS_FINE_LOCATION
            ) == PackageManager.PERMISSION_GRANTED
        ) {
            fusedLocationClient.lastLocation.addOnSuccessListener { location: Location? ->
                location?.let {
                    val latitude = it.latitude
                    val longitude = it.longitude
                    binding.tvLocation.text = getAddressFromLocation(latitude, longitude)
                }
            }
        }
    }

    private fun getAddressFromLocation(latitude: Double, longitude: Double): String {
        val geocoder = Geocoder(this, Locale.getDefault())
        val addresses = geocoder.getFromLocation(latitude, longitude, 1)
        if (!addresses.isNullOrEmpty()) {
            val address = addresses[0]
            val city = address.adminArea // OO시
            val district = address.subLocality // OO구
            val neighborhood = address.thoroughfare // OO동

            return "$city $district $neighborhood"
        } else {
            return "something is wrong!"
        }
    }

}

 

이렇게 하면 getAddressFromLocation()의 리턴값으로 OO시 OO구 OO동이라는 문자열을 받게 된다. 얻은 문자열은 추가로 가공하거나 어딘가에 표시해서 사용하면 된다.

글 시작에 적어뒀듯 예시 코드기 때문에 사용하려면 반드시 필요한 예외처리와 리팩토링 후 사용하길 권장한다.