do not keep useless images

contrib/mobile/CMakeLists.txt

@@ -183,6 +183,17 @@ if(ENABLE_BUILD_ANDROID)
       get_filename_component(DIRNAME ${DIR} NAME)
       add_custom_command(TARGET androidProject POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy_directory
                       ${DIR} ${CMAKE_CURRENT_BINARY_DIR}/models/${DIRNAME})
+      add_custom_command(TARGET androidProject POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy_directory
+                      ${DIR} ${CMAKE_CURRENT_BINARY_DIR}/models/${DIRNAME})
+      file(GLOB PNG ${DIR}/*.png)
+      foreach(IMG ${PNG})
+	get_filename_component(IMGNAME ${IMG} NAME)
+	if(NOT (IMGNAME MATCHES ".*_128.png"))
+          message("${CMAKE_CURRENT_BINARY_DIR}/models/${DIRNAME}/${IMGNAME}")
+          add_custom_command(TARGET androidProject POST_BUILD COMMAND ${CMAKE_COMMAND} -E remove
+                      "${CMAKE_CURRENT_BINARY_DIR}/models/${DIRNAME}/${IMGNAME}")
+	endif()
+      endforeach(IMG)
     endforeach(DIR)
     find_program(ZIP_COMMAND zip)
     add_custom_command(TARGET androidProject POST_BUILD COMMAND cd ${CMAKE_CURRENT_BINARY_DIR}/models/ && zip -r