안드로이드 스튜디오 현재 위치 가져오기

package com.example.myapplication2;

import android.content.Context;
import android.content.pm.PackageManager;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Build;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;

public class MainActivity extends AppCompatActivity {
    private Button btnCheck;
    private TextView location;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        btnCheck = (Button)findViewById(R.id.btnCheck);
        location = (TextView)findViewById(R.id.location);


        // 위치 관리자 객체 참조하기
        final LocationManager lm;
        lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);

        btnCheck.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if ( Build.VERSION.SDK_INT >= 23 &&
                        ContextCompat.checkSelfPermission( getApplicationContext(), android.Manifest.permission.ACCESS_FINE_LOCATION ) != PackageManager.PERMISSION_GRANTED ) {
                    ActivityCompat.requestPermissions( MainActivity.this, new String[] {
                            android.Manifest.permission.ACCESS_FINE_LOCATION}, 0 );
                }
                else{
                    // 가장최근 위치정보 가져오기
                    Location location2 = lm.getLastKnownLocation(LocationManager.GPS_PROVIDER);
                    if(location2 != null) {
                        String provider = location2.getProvider();
                        double longitude = location2.getLongitude();
                        double latitude = location2.getLatitude();
                        double altitude = location2.getAltitude();

                        location.setText("위치정보 : " + provider + "\n" +
                                "위도 : " + longitude + "\n" +
                                "경도 : " + latitude + "\n" +
                                "고도  : " + altitude);
                    }

                    // 위치정보를 원하는 시간, 거리마다 갱신해준다.
                    lm.requestLocationUpdates(LocationManager.GPS_PROVIDER,
                            1000,
                            1,
                            gpsLocationListener);
                    lm.requestLocationUpdates(LocationManager.NETWORK_PROVIDER,
                            1000,
                            1,
                            gpsLocationListener);
                }
            }
        });
    }
    final LocationListener gpsLocationListener = new LocationListener() {
        public void onLocationChanged(Location location2) {
            // 위치 리스너는 위치정보를 전달할 때 호출되므로 onLocationChanged()메소드 안에 위지청보를 처리를 작업을 구현 해야합니다.
            String provider = location2.getProvider();  // 위치정보
            double longitude = location2.getLongitude(); // 위도
            double latitude = location2.getLatitude(); // 경도
            double altitude = location2.getAltitude(); // 고도
            location.setText("위치정보 : " + provider + "\n" + "위도 : " + longitude + "\n" + "경도 : " + latitude + "\n" + "고도 : " + altitude);
        } public void onStatusChanged(String provider, int status, Bundle extras) {

        } public void onProviderEnabled(String provider) {

        } public void onProviderDisabled(String provider) {

        }
    };

}

plugins {
    id 'com.android.application'
}

android {
    namespace 'com.example.myapplication2'
    compileSdk 34

    defaultConfig {
        applicationId "com.example.myapplication2"
        minSdk 24
        targetSdk 34
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
}

dependencies {

    implementation 'androidx.appcompat:appcompat:1.6.1'
    implementation 'com.google.android.material:material:1.10.0'
    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
    implementation 'com.google.android.gms:play-services-location:21.0.1'
    testImplementation 'junit:junit:4.13.2'
    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
}

 

 

 

 

 

 

 

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools">

    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>

    <!-- 필요에 의해 사용 -->
    <uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION"/>

    <application
        android:allowBackup="true"
        android:dataExtractionRules="@xml/data_extraction_rules"
        android:fullBackupContent="@xml/backup_rules"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.MyApplication2"
        tools:targetApi="31">
        <activity
            android:name=".MainActivity"
            android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>