Markers at the same location

library/src/com/google/maps/android/clustering/Cluster.java

@@ -13,4 +13,6 @@ public interface Cluster<T extends ClusterItem> {
     Collection<T> getItems();
 
     int getSize();
+
+    boolean isOneLocation();
 }

library/src/com/google/maps/android/clustering/algo/NonHierarchicalDistanceBasedAlgorithm.java

@@ -184,5 +184,10 @@ public Set<T> getItems() {
         public int getSize() {
             return 1;
         }
+
+        @Override
+		public boolean isOneLocation() {
+        	return false;
+        }
     }
 }

library/src/com/google/maps/android/clustering/algo/StaticCluster.java

@@ -41,6 +41,31 @@ public Collection<T> getItems() {
     public int getSize() {
         return mItems.size();
     }
+
+    private static boolean isEqual(double d0, double d1) {
+        final double epsilon = 0.0000001;
+        return Math.abs(d0 - d1) < epsilon;
+    }
+
+    private static boolean isEqualPosition(LatLng position0, LatLng position1) {
+    	return isEqual(position0.latitude, position1.latitude) && 
+    		   isEqual(position0.longitude, position1.longitude);
+    }
+
+    @Override
+	public boolean isOneLocation() {
+    	LatLng position = null;
+    	for (T item : mItems) {
+    		if (position == null || isEqualPosition(item.getPosition(), position)) {
+    			position = item.getPosition();
+    		} else {
+    			position = null;
+    			break;
+    		}
+		}
+
+    	return position != null;
+    }
 
     @Override
     public String toString() {

library/src/com/google/maps/android/clustering/view/DefaultClusterRenderer.java

@@ -84,7 +84,7 @@ public class DefaultClusterRenderer<T extends ClusterItem> implements ClusterRen
     /**
      * If cluster size is less than this size, display individual markers.
      */
-    private static final int MIN_CLUSTER_SIZE = 4;
+    private int mMinClusterSize = 4;
 
     /**
      * The currently displayed set of clusters.
@@ -213,7 +213,15 @@ protected int getBucket(Cluster<T> cluster) {
         return BUCKETS[BUCKETS.length - 1];
     }
 
-    /**
+    public int getMinClusterSize() {
+		return mMinClusterSize;
+	}
+
+	public void setMinClusterSize(int minClusterSize) {
+		mMinClusterSize = minClusterSize;
+	}
+
+	/**
      * ViewModifier ensures only one re-rendering of the view occurs at a time, and schedules
      * re-rendering, which is performed by the RenderTask.
      */
@@ -275,8 +283,8 @@ public void queue(Set<? extends Cluster<T>> clusters) {
     /**
      * Determine whether the cluster should be rendered as individual markers or a cluster.
      */
-    protected boolean shouldRenderAsCluster(Cluster cluster) {
-        return cluster.getSize() > MIN_CLUSTER_SIZE;
+    protected boolean shouldRenderAsCluster(Cluster<T> cluster) {
+        return cluster.getSize() > mMinClusterSize;
     }
 
     /**