我想向Google地图显示自定义标记并将它们聚类。标记包含将显示从网络下载的头像的ImageView
。这是我的目标:Andorid Google地图显示自定义标记和聚集问题
万物都OK,但是,当我实现了Google Maps Android Marker Clustering Utility,该ImageView
显示相同的头像(有时两种错误的做法化身)。
这里是我的自定义MarkerRender:
public class MarkerRender extends DefaultClusterRenderer<Image> {
private static final String TAG = MarkerRender.class.getSimpleName();
private IconGenerator clusterGenerator;
private IconGenerator markerGenerator;
private ImageView mImgMarkerThumbnail;
private ImageView mImgMarkerClusterThumbnail;
private TextView txtSizeCluster;
private Activity activity;
private Bitmap mask, background;
private AtomicInteger imageDownloadCounter;
private int totalItem;
private ImageSize imageSize;
public MarkerRender(FragmentActivity activity, GoogleMap mMap, ClusterManager<Image> mClusterManager) {
super(activity, mMap, mClusterManager);
this.activity = activity;
imageDownloadCounter = new AtomicInteger(0);
mask = BitmapFactory.decodeResource(activity.getResources(),
R.drawable.annotation_behind);
background = BitmapFactory.decodeResource(activity.getResources(),
R.drawable.annotation_behind);
setUpClusterIcon();
setUpMarker();
}
private void setUpClusterIcon() {
clusterGenerator = new IconGenerator(activity);
View clusterView = activity.getLayoutInflater().inflate(R.layout.custom_marker_cluster, null);
txtSizeCluster = (TextView) clusterView.findViewById(R.id.tv_number_marker);
mImgMarkerClusterThumbnail = (ImageView) clusterView.findViewById(R.id.img_load);
clusterGenerator.setContentView(clusterView);
clusterGenerator.setBackground(null);
}
private void setUpMarker() {
markerGenerator = new IconGenerator(activity);
View markerView = activity.getLayoutInflater().inflate(R.layout.custom_marker, null);
mImgMarkerThumbnail = (ImageView) markerView.findViewById(R.id.img_load);
markerGenerator.setContentView(markerView);
markerGenerator.setBackground(null);
}
@Override
protected void onBeforeClusterItemRendered(final Image image, final MarkerOptions markerOptions) {
initImageSizeIfNeed();
Bitmap icon = markerGenerator.makeIcon();
PFLogManager.INSTANCE.logE(TAG, "maken icon: " + icon.hashCode());
markerOptions.icon(BitmapDescriptorFactory.fromBitmap(icon));
icon.recycle();
}
@Override
protected void onClusterItemRendered(final Image image, Marker marker) {
super.onClusterItemRendered(image, marker);
ImageLoader.getInstance().loadImage(image.getMapImageLink(), imageSize,
new SimpleImageLoadingListener() {
@Override
public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) {
Bitmap croppedBitmap = Helpers.makeCroppedBitmap(loadedImage, background, mask);
mImgMarkerThumbnail.setImageBitmap(croppedBitmap);
}
});
}
@Override
protected void onBeforeClusterRendered(Cluster<Image> cluster, MarkerOptions markerOptions) {
initImageSizeIfNeed();
Bitmap icon = clusterGenerator.makeIcon();
markerOptions.icon(BitmapDescriptorFactory.fromBitmap(icon));
icon.recycle();
}
@Override
protected void onClusterRendered(Cluster<Image> cluster, Marker marker) {
super.onClusterRendered(cluster, marker);
ArrayList<Image> list = new ArrayList<>(cluster.getItems());
setTextNumberMarker(cluster);
String urlFirstImage = list.get(0).getMapImageLink();
ImageLoader.getInstance().loadImage(urlFirstImage, imageSize,
new SimpleImageLoadingListener() {
@Override
public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) {
final Bitmap croppedBitmap = Helpers.makeCroppedBitmap(loadedImage, background, mask);
mImgMarkerClusterThumbnail.setImageBitmap(croppedBitmap);
}
});
}
private void loadClusterThumbnail(String url) {
}
private void setTextNumberMarker(Cluster<Image> cluster) {
int size = cluster.getSize();
if (size > 99) {
txtSizeCluster.setText("99+");
} else {
txtSizeCluster.setText(String.valueOf(cluster.getSize()));
}
}
@Override
protected boolean shouldRenderAsCluster(Cluster cluster) {
return cluster.getSize() > 1;
}
}
我一直想这个问题是我只用一个ImageView
显示这些化身,所以我尝试使用独特ImageView
每个标记(由inflat新每次需要一个xml),但结果是他们都显示空白标记(只是背景,没有头像)。
我花了3天的研究没有结果,请帮帮我!
你如何创建标记掩码和自定义视图标记? –