Basic Huawei Map

BasicHuaweiMap.kt

class MainActivity : AppCompatActivity(), OnMapReadyCallback {
  
    private var hMap: HuaweiMap? = null

    companion object {
        private const val MAPVIEW_BUNDLE_KEY = "MapViewBundleKey"
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        
        // Set Api Key and content
        MapsInitializer.setApiKey("Your API Key");
        setContentView(R.layout.activity_main)

        // Init UI
        initHuaweiMap(savedInstanceState)
    }

    /**
     * Initialize the Huawei Map
     */
    private fun initHuaweiMap(savedInstanceState: Bundle?) {
        var mapViewBundle: Bundle? = null
        if (savedInstanceState != null) {
            mapViewBundle = savedInstanceState.getBundle(MAPVIEW_BUNDLE_KEY)
        }
        map_view?.apply {
            onCreate(mapViewBundle)
            getMapAsync(this@MainActivity)
        }
    }

    override fun onMapReady(map: HuaweiMap?) {
        hMap = map
        hMap?.isMyLocationEnabled = true // Enable the my-location overlay.
        hMap?.uiSettings?.isMyLocationButtonEnabled = true // Enable the my-location icon.
    }

    override fun onStart() {
        map_view?.onStart()
        super.onStart()
    }

    override fun onStop() {
        map_view?.onStop()
        super.onStop()
    }

    override fun onDestroy() {
        hMap?.clear()
        hMap = null
        map_view?.onDestroy()
        super.onDestroy()
    }

    override fun onPause() {
        map_view?.onPause()
        super.onPause()
    }

    override fun onResume() {
        map_view?.onResume()
        super.onResume()
    }

    override fun onLowMemory() {
        map_view?.onLowMemory()
        super.onLowMemory()
    }

    override fun onSaveInstanceState(outState: Bundle) {
        super.onSaveInstanceState(outState)
        var mapViewBundle = outState.getBundle(MAPVIEW_BUNDLE_KEY)
        if (mapViewBundle == null) {
            mapViewBundle = Bundle()
            outState.putBundle(MAPVIEW_BUNDLE_KEY, mapViewBundle)
        }
        map_view.onSaveInstanceState(mapViewBundle)
    }
}