카카오 맵 api 이용 오류

sdk 정보

applicationId "com.example.road"
minSdkVersion 18
targetSdkVersion 30
versionCode 1
versionName “1.0”

오류 로그

2021-06-21 13:33:37.195 5718-5718/com.example.road E/MapViewLocationManager: init failed
2021-06-21 13:33:37.204 5718-5718/com.example.road D/AndroidRuntime: Shutting down VM
2021-06-21 13:33:37.208 5718-5718/com.example.road E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.road, PID: 5718
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.road/com.example.road.Mygps}: java.lang.RuntimeException: DaumMap does not support that two or more net.daum.mf.map.api.MapView objects exists at the same time
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2778)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2856)
at android.app.ActivityThread.-wrap11(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1589)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6494)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)
Caused by: java.lang.RuntimeException: DaumMap does not support that two or more net.daum.mf.map.api.MapView objects exists at the same time
at net.daum.mf.map.api.MapView.init(MapView.java:409)
at net.daum.mf.map.api.MapView.(MapView.java:446)
at com.example.road.Mygps.onCreate(Mygps.java:15)
at android.app.Activity.performCreate(Activity.java:7036)
at android.app.Activity.performCreate(Activity.java:7027)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1214)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2731)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2856)
at android.app.ActivityThread.-wrap11(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1589)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6494)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)

Mainactivity.java

mygps_btn= (ImageButton) findViewById(R.id.map_view);
mygps_btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(MainActivity.this , Mygps.class);

            startActivity(intent); // 액티비티 gps로 이동
        }
    });

해당 클래스.java

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

    MapView mapView = new MapView(this);

    ViewGroup mapViewContainer = (ViewGroup) findViewById(R.id.map_view2);
    mapViewContainer.addView(mapView);
}

}

오류난 위치의 xml

<?xml version="1.0" encoding="utf-8"?>

<net.daum.mf.map.api.MapView
    android:id="@+id/map_view2"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

카카오 맵 api를 실행하려고 하면 앱 중지가 뜨면서 튕겨나갑니다… 뭐가 문제인가요?