PPTGoogleMapManager.java 文件源码

/**
 * Loads a marker icon via URL and places it on the map at the required position.
 *
 * @param googleMap
 * @param latLng
 * @param uri
 */
private void markerWithCustomIcon(final GoogleMap googleMap, final LatLng latLng, Uri uri, final String publicId) {
    try {
        Target target = new Target() {
            @Override
            public void onBitmapLoaded(Bitmap bitmap, Picasso.LoadedFrom from) {
                MarkerOptions options = new MarkerOptions();

                options.position(latLng)
                        .icon(BitmapDescriptorFactory.fromBitmap(bitmap));

                Marker marker = googleMap.addMarker(options);

                publicMarkerIds.put(marker.getId(), publicId);

                protectedFromGarbageCollectorTargets.remove(this);
            }

            @Override
            public void onBitmapFailed(Drawable errorDrawable) {
                System.out.println("Failed to load bitmap");
                protectedFromGarbageCollectorTargets.remove(this);
            }

            @Override
            public void onPrepareLoad(Drawable placeHolderDrawable) {
                System.out.println("Preparing to load bitmap");
            }
        };

        protectedFromGarbageCollectorTargets.add(target);

        Picasso.with(reactContext)
                .load(uri)
                .into(target);
    } catch (Exception ex) {
        System.out.println(ex.getMessage());
        markerWithDefaultIcon(googleMap,latLng, publicId);
    }
}