bugfix: #138，内存泄漏问题

modules/mogo-module-common/src/main/java/com/mogo/module/common/drawer/SnapshotSetDataDrawer.java

@@ -103,6 +103,10 @@ class SnapshotSetDataDrawer extends BaseDrawer implements IMogoMarkerClickListen
             mCloudSnapshotMarkersCaches.clear();
         } catch ( Exception e ) {
         }
+        clearTargetTypeMarkers();
+    }
+
+    private void clearTargetTypeMarkers() {
         try {
             MogoApisHandler.getInstance().getApis()
                     .getMapServiceApi().getMarkerManager( mContext )
@@ -118,14 +122,16 @@ class SnapshotSetDataDrawer extends BaseDrawer implements IMogoMarkerClickListen
      */
     public void renderSnapshotData( MogoSnapshotSetData data,
                                     boolean machineVision ) {
-        recordTimeFlag();
         if ( !MogoApisHandler.getInstance().getApis().getStatusManagerApi().isMainPageLaunched() ) {
+            if ( !mCloudSnapshotMarkersCaches.isEmpty() ) {
+                clearOldStyleMarkers();
+            }
             return;
         }
         if ( data == null || (
                 ( data.getAllList() == null || data.getAllList().isEmpty() ) &&
                         ( data.getNearList() == null || data.getNearList().isEmpty() ) ) ) {
-            MogoApisHandler.getInstance().getApis().getMapServiceApi().getMarkerManager( AbsMogoApplication.getApp() ).removeMarkers( DataTypes.TYPE_MARKER_CLOUD_DATA );
+            clearOldStyleMarkers();
             return;
         }
         List< CloudRoadData > allDatumsList = new ArrayList<>();
@@ -220,21 +226,6 @@ class SnapshotSetDataDrawer extends BaseDrawer implements IMogoMarkerClickListen
         purgeCloudSnapshotData( out );
     }
 
-    /**
-     * 记录时间
-     */
-    private void recordTimeFlag() {
-//        if ( mLastReceiveTime != 0 ) {
-//            mAnimationDuration = System.currentTimeMillis() - mLastReceiveTime;
-//            if ( mAnimationDuration > 1000L ) {
-//                mAnimationDuration = 500L;
-//            }
-//        } else {
-//            mAnimationDuration = 500L;
-//        }
-//        mLastReceiveTime = System.currentTimeMillis();
-    }
-
     /**
      * vr 模式下显示合并数据，否则只显示上报位置的车辆
      *