backendlessGeoQuery.setMeatadata() parameter has been changed as follows;
Backendless SDK v1.10 for Android
BackendlessGeoQuery.setMetadata(Map<String, String> metadata)
==>
Backendless SDK v1.12 for Android
BackendlessGeoQuery.setMetadata(Map<String, Object> metadata)
So, following document also should be changed.
http://backendless.com/documentation/geo/android/geo_category_search.htm
http://backendless.com/documentation/geo/android/geo_radius_based_search.htm
http://backendless.com/documentation/geo/android/geo_search_in_a_rectangular_area.htm
For example, a following sample code like below;
HashMap<String, String> metaSearch = new HashMap<String, String>();
...
geoQuery.setMetadata( metaSearch );
should be changed as follows;
HashMap<String, Object> metaSearch = new HashMap<String, Object>();
...
geoQuery.setMetadata( metaSearch );