代码从windows下visual studio到andriod平台迁移实现步骤

代码从windows下visual studio到andriod平台迁移实现步骤：
前言

前言也是迁言，从windows的visual studio 2012平台迁移到Android平台上，需用修改挺多的代码和需用注意地方。

我们当然的平台当初就考虑了其他平台跨平台的应用问题，所以一开始在windows下就是用cmake来完成工程的建立的，cMakeLists.txt文件都做了一些处理，但是此时只是更针对或说首先保证windows下的编译和使用。

谨此做个记录。

1. modify cMakeLists.txt file,add android define and macro.2.cmake ./../Build files have been written to: /home/andriod_a/build3.size_t problem add <cstddef> head file.4.error: extra qualification "rw::scoped_lock::" on member "scoped_lock" [-fpermissive] remove the class identifier. 5. memcpy define in <string.h> .so change it.6.no match for "operator=" in "inverse = rw_math::matrix3f::operator*（float） const（（1.0e+0f / det））"//inverse = inverse * （1.0f/det）;matrix3f temp = inverse * （1.0f/det）;inverse = temp;7.no match for "operator=" in "rot_mat = rw_math::matrix4f::make_rotation_matrix（ matrix4f matrix4f_tmp = make_rotation_matrix（axis_,angle_in_rad_）;rot_mat = matrix4f_tmp;8.warning: inline function "double const& rw_math::vector3d::operator[]（int） const" used but never defined [enabled by default]9.error: "memcmp" was not declared in this scope #include <string.h> 10.initializing argument 2 of "char* strncat（char*, char const*, size_t）" [-fpermissive]11.compile jpeg library. copy source code,then write or change cMakeLists.txt,then create a buid file,open terminal in the new build file.cmake ./../ ,the last is make ,and it will show u.12.multiple definition of "std::__lg（int）i define the inline,so error.13. the inline function which must achieve in head file ,and could not in *.cpp file. or,u can delete inline word in head files.14. conflicts with previous declaration "typedef class rw::rw_shared_ptr<rw_json::json_value_iterator> rw_json::json_value_iterator::ptr" multidefine .15.no matching function for call to "transform（）transform（ext_.begin（）, ext_.end（）, ext_.begin（）, ::tolower）;16. temp varity can"t assign to non-const reference.rw_shared_ptr_shadow temp_shadow = entity_.to_shared_ptr_shadow（）;pt2model_entity_define::ptr temp_ptr = temp_shadow.to_shared_ptr<pt2model_entity_define>（）;build_pt2model_entity（_pGeometry,_pSymbol,temp_ptr）;17.fatal error: jsonjson.h: No such file or director#include <jsonjson.h> ----->#include <json/json.h>18.fatal error: zlib\zconf.h: No such file or directory----->#include "zlib/zlib.h"19. error: cannot pass objects of non-trivially-copyable type "const mapped_type {aka const struct std::basic_string<char>}" through ".--->（content_type_field）.c_str（）;20.537:49: error: invalid initialization of non-const reference of type "std::string& {aka std::basic_string<char>&}" from an rvalue of type "std::string {aka std::basic_string<char>}"string temp_str = request_.get（）->get_url（）;string& tmp_req_url = temp_str;21. error: no matching function for call temp variaty problem. make a temp variaty.matrix4d temp_mat = world_mat * t_mat;render_system_->set_world_matrix（temp_mat）;22.abs（）--->fabs（）;23.rw_terrian_manager.h:69:12: error: "terrian_tile" was not declared in this scopecan not recongize the friend class in GCC ,so chang forward declaration.#ifdef __linux__class terrian_tile;#endif24. Windows.h: No such file or directorylinux not compile this model,and commit it.25.itoa---->#include <sstream>std::ostringstream oss;std::string str = "";oss << _counter;str = oss.str（）;26.error: taking address of temporary box3d bbox = （instances_[i]->get_bounding（））;if （！manipulate_geo_hash（instances_[i]->get_id（）, &bbox, update_geo_hash））ta27.error: no matching function for call to "transform（std::basic_string<char>::iterator, std::basic_string<char>::iterator, std::basic_string<char>::iterator, <unresolved overloaded function type>）"transform（_texture_type.begin（）, _texture_type.end（）, _texture_type.begin（）, ::tolower）;28.GetModuleFileName（（HINSTANCE）&__ImageBase,buffer,256）;#include <stdio.h>------->string buffer = getcwd（NULL, 0）;string execution_path= buffer;29. xstring ----><string>30.invalid cast of an rvalue expression of type "rw::multi_point::ptr {aka rw::rw_shared_ptr<rw::multi_point>}" to type "rw::multi_point*&"temp variable error.31.error: "atof" was not declared in this scopestd::stringstream oss;int temp_int;oss << _pri_string;oss >> temp_int;_var = temp_int;32.error: conflicts with previous declarationu known, have more than one define in u"s file.so,find and delete it.33.malloc no declear.#include <malloc.h>34. image_info_->image_type = image_type_; rw_image :image_type（"ccccccccccccccccc"）, 35. don"t write like this._runtime->register_service（_aaaa_multi_service_pid, get_aaa_multi_service（））;（（_driver_multi_service_impl*）get_aaa_multi_service（））->init（_runtime）; （（_driver_multi_service_impl*）get_aaa_multi_service（））->set_runtime（_runtime）; 36. register_service at last place when add_multi_service.（（terrian_data_sqlite_service_impl*）tms）->init（）;_runtime->register_service（terrian_data_sqlite_service_pid, tms ）;37.dom does not show,because android system does not support multi-therad rendering.so ,put the upload in draw thread.38.please set RW_INDEX rw_uint16 in rw_render_object_creator.cpp when u compile the code in android system,otherwise leave it alone.

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