JetpackComposeでGoogleMap埋め込んでみた

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

private val REQUEST_CODE_LOCATION = 100

if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
//現在地取得処理を書く
        }
        else {
            ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.ACCESS_FINE_LOCATION), REQUEST_CODE_LOCATION)
        }

fusedLocationClient = FusedLocationProviderClient(requireActivity())

        // どのような取得方法を要求
        val locationRequest = LocationRequest.create().apply {
            interval = 10000                                   // 最遅の更新間隔(但し正確ではない。)
            fastestInterval = 5000                             // 最短の更新間隔
            priority = LocationRequest.PRIORITY_HIGH_ACCURACY  // 精度重視
        }

        // コールバック
        val locationCallback = object : LocationCallback() {
            override fun onLocationResult(locationResult: LocationResult) {
                //locationResultに結果が入っているので後はよしなにする
		
		//removeLocationUpdatesをしないと永遠と位置情報を取得し続けるので消してあげる
                fusedLocationClient.removeLocationUpdates(this)
            }
        }

// 取得処理
fusedLocationClient.requestLocationUpdates(
                                        locationRequest,
                                        locationCallback,
                                        Looper.myLooper()!!
                                    )

private fun locationStart(
        getLocation: () -> Unit
    ) {
        // Instances of LocationManager class must be obtained using Context.getSystemService(Class)
        val locationManager =
            requireActivity().getSystemService(LOCATION_SERVICE) as LocationManager

        if (locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {
            Timber.d("debug", "location manager Enabled")
        } else {
            // to prompt setting up GPS
            val settingsIntent = Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS)
            startActivity(settingsIntent)
            Timber.d("debug", "not gpsEnable, startActivity")
        }
        if (ContextCompat.checkSelfPermission(
                requireContext(),
                Manifest.permission.ACCESS_FINE_LOCATION
            ) != PackageManager.PERMISSION_GRANTED
        ) {
            ActivityCompat.requestPermissions(
                requireActivity(),
                arrayOf(Manifest.permission.ACCESS_FINE_LOCATION), REQUEST_CODE_LOCATION
            )
            Timber.d("debug", "checkSelfPermission false")
            showDialogToGetPermission()
            return
        }

        getLocation()
    }
    
private fun showDialogToGetPermission() {
        val builder = AlertDialog.Builder(requireContext())
        builder.setTitle("現在地取得が利用できません")
            .setMessage("現在地取得を利用するには権限を許可してください")

        builder.setPositiveButton("OK") { _, _ ->
            val intent = Intent(
                Settings.ACTION_APPLICATION_DETAILS_SETTINGS,
                Uri.fromParts("package", "hogehoge", null)
            )
            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
            startActivity(intent)   // 6
        }
        builder.setNegativeButton("CANCEL") { _, _ ->
            // ignore
        }
        val dialog = builder.create()
        dialog.show()
    }