override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        if (checkGPSPermission(android.Manifest.permission.ACCESS_COARSE_LOCATION,android.Manifest.permission.ACCESS_FINE_LOCATION)) {
            val map = supportFragmentManager.findFragmentById(R.id.map) as SupportMapFragment
            map.getMapAsync(this)
        } else {
          ActivityCompat.requestPermissions(this,arrayOf(android.Manifest.permission.ACCESS_COARSE_LOCATION,android.Manifest.permission.ACCESS_FINE_LOCATION), REQ_PERMISSION)
        }
    }