Android Studio(기능) LBS(Location Test)

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package com.lcw.ex65locationtest;
 
import androidx.appcompat.app.AppCompatActivity;
 
import android.content.Context;
import android.location.Criteria;
import android.location.LocationManager;
import android.os.Bundle;
import android.widget.TextView;
 
import java.util.List;
 
public class MainActivity extends AppCompatActivity {
 
    TextView tvProviders;
    TextView tvBestprovider;
 
    LocationManager locationManager;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        tvProviders= findViewById(R.id.tv_providers);
        tvBestprovider= findViewById(R.id.tv_bestprovider);
 
        //위치정보 관리자 객체 소환하기
        locationManager= (LocationManager) getSystemService(Context.LOCATION_SERVICE);
 
        //위치정보 제공자(location provider)
        //1. gps : 가장 높은 정확도, 무료 , 실내에서 사용 불가, 기상영향 받음, 베터리 소모 많음
        //2. network(wifi, 3g, 4g, lte, 5g) : 중간 정도의 정확도, 유료, 어디서나 가능, 베터리 소모 중간
        //3. passive : 다른 앱의 마지막 위치정보를 사용. 정확도가 가장 낮음, 베터리 소모 적음, 사용빈도 거의 없음.
 
        //디바이스에서 사용가능한 위치 정보 제공자를 확인
       List<String> providers =locationManager.getAllProviders();
       String s="";
       for(String provide : providers){
           s+=provide+", ";
       }
       tvProviders.setText(s);
 
        //위치정보 제공자 중에서 최고의 제공자 판별 요청
        // 최고의 제공자를 판별하기위한 기준(criteria) 객체
        Criteria criteria= new Criteria();
        criteria.setCostAllowed(true); // 비용지불 감수, LTE써도 된다.
        criteria.setAccuracy(Criteria.NO_REQUIREMENT); //정확도를 요하는가?
        criteria.setPowerRequirement(Criteria.NO_REQUIREMENT);//베터리 소모량
        criteria.setAltitudeRequired(true);//고도애 대한 위치 필요한가?
        
        //베스트 위치정보를 얻으려면 퍼미션 필요
        String bestProvider=locationManager.getBestProvider(criteria, true);
        tvBestprovider.setText(bestProvider);
        
    }
}
 
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실행 시키면

이제 다시 앱을 지우고, 수정하자[동적 퍼미션]

( 퍼미션이 계속 실행되서, 아래 코드는 우리가 사용하는 버젼이 높은 휴대폰에 적용하려면 이렇게 코드 작성해야 한다.)

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package com.lcw.ex65locationtest;
 
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
 
import android.Manifest;
import android.content.Context;
import android.content.pm.PackageManager;
import android.location.Criteria;
import android.location.LocationManager;
import android.os.Build;
import android.os.Bundle;
import android.widget.TextView;
import android.widget.Toast;
 
import java.util.List;
 
public class MainActivity extends AppCompatActivity {
 
    TextView tvProviders;
    TextView tvBestprovider;
 
    LocationManager locationManager;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        tvProviders= findViewById(R.id.tv_providers);
        tvBestprovider= findViewById(R.id.tv_bestprovider);
 
        //위치정보 관리자 객체 소환하기
        locationManager= (LocationManager) getSystemService(Context.LOCATION_SERVICE);
 
        //위치정보 제공자(location provider)
        //1. gps : 가장 높은 정확도, 무료 , 실내에서 사용 불가, 기상영향 받음, 베터리 소모 많음
        //2. network(wifi, 3g, 4g, lte, 5g) : 중간 정도의 정확도, 유료, 어디서나 가능, 베터리 소모 중간
        //3. passive : 다른 앱의 마지막 위치정보를 사용. 정확도가 가장 낮음, 베터리 소모 적음, 사용빈도 거의 없음.
 
        //디바이스에서 사용가능한 위치 정보 제공자를 확인
       List<String> providers =locationManager.getAllProviders();
       String s="";
       for(String provide : providers){
           s+=provide+", ";
       }
       tvProviders.setText(s);
 
        //위치정보 제공자 중에서 최고의 제공자 판별 요청
        // 최고의 제공자를 판별하기위한 기준(criteria) 객체
        Criteria criteria= new Criteria();
        criteria.setCostAllowed(true); // 비용지불 감수, LTE써도 된다.
        criteria.setAccuracy(Criteria.NO_REQUIREMENT); //정확도를 요하는가?
        criteria.setPowerRequirement(Criteria.NO_REQUIREMENT);//베터리 소모량
        criteria.setAltitudeRequired(true);//고도애 대한 위치 필요한가?
 
        //베스트 위치정보를 얻으려면 퍼미션 필요
        String bestProvider=locationManager.getBestProvider(criteria, true);
        tvBestprovider.setText(bestProvider);
 
        //마시멜로우(api 23버전)부터 동적 퍼미션 필요 : 앱을 다운도르할 때 뿐만 아니라, 사용할 때도 퍼미션을 체크하는 방식
        if(Build.VERSION.SDK_INT>=Build.VERSION_CODES.M){
            //퍼미션이 허가되어 있지 않은지?
            if( checkSelfPermission(Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED){
                //퍼미션을 요청하는 다이얼로그 보이기..
                String[] permissions= new String[]{Manifest.permission.ACCESS_FINE_LOCATION};
                requestPermissions(permissions,10);//다이얼로그를 보여주는 메소드
            }
        }
    }//onCreate Method..
 
    //requestPermissions()메소드의 호출을 통해
    //보여진 다이얼로그의 선택이 종료되면
    //자동으로 실행되는 메소드
    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
 
        switch (requestCode){
            case 10:
                if(grantResults[0]== PackageManager.PERMISSION_GRANTED){
                    Toast.makeText(this, "위치정보제공에 동의하셨습니다.", Toast.LENGTH_SHORT).show();
                }
                break;
        }
    }
}//MainActivity class..
 
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이제 내 위치 얻어오는 코드를 써보자.

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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="16dp"
    tools:context=".MainActivity">
    <TextView
        android:id="@+id/tv_providers"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="위치정보 제공자들"/>
 
    <TextView
        android:id="@+id/tv_bestprovider"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="최고의 위치정보 제공자"/>
 
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="내 위치 얻어오기"
        android:onClick="clickBtn"
        android:layout_marginTop="16dp"/>
    <TextView
        android:id="@+id/tv_mylocation"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="위도, 경도"
        android:padding="8dp"/>
 
 
</LinearLayout>
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http://colorscripter.com/info#e" target="_blank" style="text-decoration:none;color:white">cs

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package com.lcw.ex65locationtest;
 
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
 
import android.Manifest;
import android.app.Activity;
import android.content.Context;
import android.content.pm.PackageManager;
import android.location.Criteria;
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.TextView;
import android.widget.Toast;
 
import java.util.List;
 
public class MainActivity extends AppCompatActivity {
 
    TextView tvProviders;
    TextView tvBestprovider;
    TextView tvMylocation;
    
 
    LocationManager locationManager;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        tvProviders = findViewById(R.id.tv_providers);
        tvBestprovider = findViewById(R.id.tv_bestprovider);
        tvMylocation = findViewById(R.id.tv_mylocation);
      
 
        //위치정보 관리자 객체 소환하기
        locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
 
        //위치정보 제공자(location provider)
        //1. gps : 가장 높은 정확도, 무료 , 실내에서 사용 불가, 기상영향 받음, 베터리 소모 많음
        //2. network(wifi, 3g, 4g, lte, 5g) : 중간 정도의 정확도, 유료, 어디서나 가능, 베터리 소모 중간
        //3. passive : 다른 앱의 마지막 위치정보를 사용. 정확도가 가장 낮음, 베터리 소모 적음, 사용빈도 거의 없음.
 
        //디바이스에서 사용가능한 위치 정보 제공자를 확인
        List<String> providers = locationManager.getAllProviders();
        String s = "";
        for (String provide : providers) {
            s += provide + ", ";
        }
        tvProviders.setText(s);
 
        //위치정보 제공자 중에서 최고의 제공자 판별 요청
        // 최고의 제공자를 판별하기위한 기준(criteria) 객체
        Criteria criteria = new Criteria();
        criteria.setCostAllowed(true); // 비용지불 감수, LTE써도 된다.
        criteria.setAccuracy(Criteria.NO_REQUIREMENT); //정확도를 요하는가?
        criteria.setPowerRequirement(Criteria.NO_REQUIREMENT);//베터리 소모량
        criteria.setAltitudeRequired(true);//고도애 대한 위치 필요한가?
 
        //베스트 위치정보를 얻으려면 퍼미션 필요
        String bestProvider = locationManager.getBestProvider(criteria, true);
        tvBestprovider.setText(bestProvider);
 
        //마시멜로우(api 23버전)부터 동적 퍼미션 필요 : 앱을 다운도르할 때 뿐만 아니라, 사용할 때도 퍼미션을 체크하는 방식
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            //퍼미션이 허가되어 있지 않은지?
            if (checkSelfPermission(Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
                //퍼미션을 요청하는 다이얼로그 보이기..
                String[] permissions = new String[]{Manifest.permission.ACCESS_FINE_LOCATION};
                requestPermissions(permissions, 10);//다이얼로그를 보여주는 메소드
            }
        }
    }//onCreate Method..
 
    //requestPermissions()메소드의 호출을 통해
    //보여진 다이얼로그의 선택이 종료되면
    //자동으로 실행되는 메소드
    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
 
        switch (requestCode) {
            case 10:
                if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                    Toast.makeText(this, "위치정보제공에 동의하셨습니다.", Toast.LENGTH_SHORT).show();
                }
                break;
        }
    }
 
    public void clickBtn(View view) {
        //퍼미션 체크.. 안되어 있으면 하지마!!
        if (ActivityCompat.checkSelfPermission(this,Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this,Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
 
            return;
        }
 
        //현재 내 위치 정보 얻어오기
        Location location = null;
 
        //매니저를 이용하여 위치정보 얻어오기
        if (locationManager.isProviderEnabled("gps")) {
            location = locationManager.getLastKnownLocation("gps");
        }else if (locationManager.isProviderEnabled("network")){
            location = locationManager.getLastKnownLocation("network");
        }
 
        if(location==null){
            tvMylocation.setText("내 위치 못찾았어");
        }else{
            //위도, 경도 얻어오기
            double latitude=location.getLatitude();
            double longitude=location.getLongitude();
 
            tvMylocation.setText(latitude+" , "+longitude);
        }
    }
 
   
}//MainActivity class..
 
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http://colorscripter.com/info#e" target="_blank" style="text-decoration:none;color:white">cs

이제 실시간 위치도 얻어 보자,]

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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="16dp"
    tools:context=".MainActivity">
    <TextView
        android:id="@+id/tv_providers"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="위치정보 제공자들"/>
 
    <TextView
        android:id="@+id/tv_bestprovider"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="최고의 위치정보 제공자"/>
 
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="내 위치 얻어오기"
        android:onClick="clickBtn"
        android:layout_marginTop="16dp"/>
    <TextView
        android:id="@+id/tv_mylocation"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="위도, 경도"
        android:padding="8dp"/>
 
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="내 위치 자동 갱신"
        android:onClick="clickBtn2"
        android:layout_marginTop="16dp"/>
 
    <TextView
        android:id="@+id/tv_automylocation"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="lat, lng"
        android:padding="8dp"/>
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="내 위치 자동 갱신 종료"
        android:onClick="clickBtn3"/>
 
 
</LinearLayout>
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package com.lcw.ex65locationtest;
 
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
 
import android.Manifest;
import android.app.Activity;
import android.content.Context;
import android.content.pm.PackageManager;
import android.location.Criteria;
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.TextView;
import android.widget.Toast;
 
import java.util.List;
 
public class MainActivity extends AppCompatActivity {
 
    TextView tvProviders;
    TextView tvBestprovider;
    TextView tvMylocation;
    TextView tvAutomylocation;
 
    LocationManager locationManager;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        tvProviders = findViewById(R.id.tv_providers);
        tvBestprovider = findViewById(R.id.tv_bestprovider);
        tvMylocation = findViewById(R.id.tv_mylocation);
        tvAutomylocation= findViewById(R.id.tv_automylocation);
 
        //위치정보 관리자 객체 소환하기
        locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
 
        //위치정보 제공자(location provider)
        //1. gps : 가장 높은 정확도, 무료 , 실내에서 사용 불가, 기상영향 받음, 베터리 소모 많음
        //2. network(wifi, 3g, 4g, lte, 5g) : 중간 정도의 정확도, 유료, 어디서나 가능, 베터리 소모 중간
        //3. passive : 다른 앱의 마지막 위치정보를 사용. 정확도가 가장 낮음, 베터리 소모 적음, 사용빈도 거의 없음.
 
        //디바이스에서 사용가능한 위치 정보 제공자를 확인
        List<String> providers = locationManager.getAllProviders();
        String s = "";
        for (String provide : providers) {
            s += provide + ", ";
        }
        tvProviders.setText(s);
 
        //위치정보 제공자 중에서 최고의 제공자 판별 요청
        // 최고의 제공자를 판별하기위한 기준(criteria) 객체
        Criteria criteria = new Criteria();
        criteria.setCostAllowed(true); // 비용지불 감수, LTE써도 된다.
        criteria.setAccuracy(Criteria.NO_REQUIREMENT); //정확도를 요하는가?
        criteria.setPowerRequirement(Criteria.NO_REQUIREMENT);//베터리 소모량
        criteria.setAltitudeRequired(true);//고도애 대한 위치 필요한가?
 
        //베스트 위치정보를 얻으려면 퍼미션 필요
        String bestProvider = locationManager.getBestProvider(criteria, true);
        tvBestprovider.setText(bestProvider);
 
        //마시멜로우(api 23버전)부터 동적 퍼미션 필요 : 앱을 다운도르할 때 뿐만 아니라, 사용할 때도 퍼미션을 체크하는 방식
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            //퍼미션이 허가되어 있지 않은지?
            if (checkSelfPermission(Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
                //퍼미션을 요청하는 다이얼로그 보이기..
                String[] permissions = new String[]{Manifest.permission.ACCESS_FINE_LOCATION};
                requestPermissions(permissions, 10);//다이얼로그를 보여주는 메소드
            }
        }
    }//onCreate Method..
 
    //requestPermissions()메소드의 호출을 통해
    //보여진 다이얼로그의 선택이 종료되면
    //자동으로 실행되는 메소드
    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
 
        switch (requestCode) {
            case 10:
                if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                    Toast.makeText(this, "위치정보제공에 동의하셨습니다.", Toast.LENGTH_SHORT).show();
                }
                break;
        }
    }
 
    public void clickBtn(View view) {
        //퍼미션 체크.. 안되어 있으면 하지마!!
        if (ActivityCompat.checkSelfPermission(this,Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this,Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
 
            return;
        }
 
        //현재 내 위치 정보 얻어오기
        Location location = null;
 
        //매니저를 이용하여 위치정보 얻어오기
        if (locationManager.isProviderEnabled("gps")) {
            location = locationManager.getLastKnownLocation("gps");
        }else if (locationManager.isProviderEnabled("network")){
            location = locationManager.getLastKnownLocation("network");
        }
 
        if(location==null){
            tvMylocation.setText("내 위치 못찾았어");
        }else{
            //위도, 경도 얻어오기
            double latitude=location.getLatitude();
            double longitude=location.getLongitude();
 
            tvMylocation.setText(latitude+" , "+longitude);
        }
    }
 
    public void clickBtn2(View view) {
        //퍼미션 체크.. 안되어 있으면 하지마!!
        if (ActivityCompat.checkSelfPermission(this,Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this,Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
 
            return;
        }
        //내 위치 자동 갱신하도록..
        if(locationManager.isProviderEnabled("gps")){
            locationManager.requestLocationUpdates("gps",5000,2, locationListener);
        }else if(locationManager.isProviderEnabled("network")){
            locationManager.requestLocationUpdates("network",5000,2,locationListener);
        }
    }
 
    public void clickBtn3(View view) {
        //퍼미션 체크.. 안되어 있으면 하지마!!
        if (ActivityCompat.checkSelfPermission(this,Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this,Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
 
            return;
        }
 
        //내 위치 자동갱신 제거
        locationManager.removeUpdates(locationListener);
    }
 
    //위치정보 갱신을 듣는 리스너 멤버 변수
    LocationListener locationListener= new LocationListener() {
        @Override
        public void onLocationChanged(Location location) {
            double latitude=location.getLatitude();
            double longitude=location.getLongitude();
 
 
            tvAutomylocation.setText(latitude+", "+longitude);
        }
 
        @Override
        public void onStatusChanged(String s, int i, Bundle bundle) {
 
        }
 
        @Override
        public void onProviderEnabled(String s) {
 
        }
 
        @Override
        public void onProviderDisabled(String s) {
 
        }
    };
}//MainActivity class..
 
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특정 위치에 가면 다이얼로그 띄우기.

이러면 특정 위치(코드에 정해놓은)에 가면 다이얼로그가 뜰 것이다.

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