Android 中谷歌地图中的自定义标记，带有矢量资源图标

Android中谷歌地图中的自定义标记——为地图添加矢量资源图标

groovy
implementation 'com.google.android.gms:play-services-maps:17.0.0'
implementation 'com.google.android.gms:play-services-location:18.0.0'
implementation 'com.google.android.material:material:1.3.0'

xml
    android:id="@+id/mapView"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

java
public class MainActivity extends AppCompatActivity implements OnMapReadyCallback {
    private MapView mapView;
    private GoogleMap googleMap;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mapView = findViewById(R.id.mapView);
        mapView.onCreate(savedInstanceState);
        mapView.getMapAsync(this);
    }
    @Override
    protected void onResume() {
        super.onResume();
        mapView.onResume();
    }
    @Override
    protected void onPause() {
        super.onPause();
        mapView.onPause();
    }
    @Override
    protected void onDestroy() {
        super.onDestroy();
        mapView.onDestroy();
    }
    @Override
    public void onMapReady(GoogleMap googleMap) {
        this.googleMap = googleMap;
        // 在这里可以对地图进行一些初始化操作
        // 例如设置地图类型、添加标记等
    }
}

java
@Override
public void onMapReady(GoogleMap googleMap) {
    this.googleMap = googleMap;
    // 添加一个自定义标记
    MarkerOptions markerOptions = new MarkerOptions()
            .position(new LatLng(39.9042, 116.4074))
            .icon(bitmapDescriptorFromVector(this, R.drawable.ic_marker));
    googleMap.addMarker(markerOptions);
}
private BitmapDescriptor bitmapDescriptorFromVector(Context context, int vectorResId) {
    Drawable vectorDrawable = ContextCompat.getDrawable(context, vectorResId);
    vectorDrawable.setBounds(0, 0, vectorDrawable.getIntrinsicWidth(), vectorDrawable.getIntrinsicHeight());
    Bitmap bitmap = Bitmap.createBitmap(vectorDrawable.getIntrinsicWidth(), vectorDrawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    vectorDrawable.draw(canvas);
    return BitmapDescriptorFactory.fromBitmap(bitmap);
}