Android Question Location (Latitude & Longitude) Couldn't be find in Samsung Galaxy M30s

Sub Process_Globals
    Private gr_runtimepermission As RuntimePermissions
    Public gg_gps As GPS
    Private gg_gpsStarted As Boolean
End Sub

Sub Activity_Create(FirstTime As Boolean)
    Activity.LoadLayout("layout")

    gg_gps.Initialize("GPS")
End sub

Sub Activity_Resume
    If gg_gps.GPSEnabled = False Then
        ToastMessageShow("Enable the GPS device.", True)
        StartActivity(gg_gps.LocationSettingsIntent) 'Will open the relevant settings screen.
    Else
        gr_runtimepermission.CheckAndRequest(gr_runtimepermission.PERMISSION_ACCESS_FINE_LOCATION)
      
        Wait For Activity_PermissionResult (Permission As String, Result As Boolean)
        StartGps
    End If
End Sub

Sub Activity_Pause (UserClosed As Boolean)
    StopGps
End Sub

Public Sub StartGps
    If gg_gpsStarted = False Then
        Log("Gps Started")
        gg_gps.Start(0, 0)
        gg_gpsStarted = True
    End If
End Sub

Public Sub StopGps
    If gg_gpsStarted Then
        gg_gps.Stop
        gg_gpsStarted = False
    End If
End Sub

Sub GPS_LocationChanged(Location1 As Location)
    is_latitude = Location1.Latitude
    is_longitude = Location1.Longitude
    Log("Latitude value : " & is_latitude)
    Log("Longitude value : " & is_longitude)
    StopGps
End Sub

AddManifestText(<uses-feature android:name="android.hardware.location.gps"/>)
AddPermission(android.permission.ACCESS_FINE_LOCATION)