Nextion example dont work

i'm trying upload example nextion folder arduino.
but comes error.

code: [select]

arduino: 1.6.8 (windows 7), board: "arduino nano, atmega328"

comppage:19: error: 'nexpage' not name type

 nexpage page0    = nexpage(0, 0, "page0");

 ^

comppage:20: error: 'nexpage' not name type

 nexpage page1    = nexpage(1, 0, "page1");

 ^

comppage:21: error: 'nexpage' not name type

 nexpage page2    = nexpage(2, 0, "page2");

 ^

comppage:22: error: 'nexpage' not name type

 nexpage page3    = nexpage(3, 0, "page3");

 ^

comppage:24: error: 'nextouch' not name type

 nextouch *nex_listen_list[] =

 ^

c:\users\uno\desktop\iteadlib_arduino_nextion-master\examples\comppage\comppage.ino: in function 'void page0popcallback(void*)':

comppage:35: error: 'dbserialprintln' not declared in scope

     dbserialprintln("page0popcallback");

                                       ^

comppage:36: error: 'page1' not declared in scope

     page1.show();

     ^

c:\users\uno\desktop\iteadlib_arduino_nextion-master\examples\comppage\comppage.ino: in function 'void page1popcallback(void*)':

comppage:41: error: 'dbserialprintln' not declared in scope

     dbserialprintln("page1popcallback");

                                       ^

comppage:42: error: 'page2' not declared in scope

     page2.show();

     ^

c:\users\uno\desktop\iteadlib_arduino_nextion-master\examples\comppage\comppage.ino: in function 'void page2popcallback(void*)':

comppage:47: error: 'dbserialprintln' not declared in scope

     dbserialprintln("page2popcallback");

                                       ^

comppage:48: error: 'page3' not declared in scope

     page3.show();

     ^

c:\users\uno\desktop\iteadlib_arduino_nextion-master\examples\comppage\comppage.ino: in function 'void page3popcallback(void*)':

comppage:53: error: 'dbserialprintln' not declared in scope

     dbserialprintln("page3popcallback");

                                       ^

comppage:54: error: 'page0' not declared in scope

     page0.show();

     ^

c:\users\uno\desktop\iteadlib_arduino_nextion-master\examples\comppage\comppage.ino: in function 'void setup()':

comppage:59: error: 'nexinit' not declared in scope

     nexinit();

             ^

comppage:60: error: 'dbserialprintln' not declared in scope

     dbserialprintln("setup begin");

                                  ^

comppage:62: error: 'page0' not declared in scope

     page0.attachpop(page0popcallback);

     ^

comppage:63: error: 'page1' not declared in scope

     page1.attachpop(page1popcallback);

     ^

comppage:64: error: 'page2' not declared in scope

     page2.attachpop(page2popcallback);

     ^

comppage:65: error: 'page3' not declared in scope

     page3.attachpop(page3popcallback);

     ^

c:\users\uno\desktop\iteadlib_arduino_nextion-master\examples\comppage\comppage.ino: in function 'void loop()':

comppage:72: error: 'nex_listen_list' not declared in scope

     nexloop(nex_listen_list);

             ^

comppage:72: error: 'nexloop' not declared in scope

     nexloop(nex_listen_list);

                            ^

multiple libraries found "nextion.h"
 used: c:\users\uno\documents\arduino\libraries\neonextion
 not used: c:\users\uno\documents\arduino\libraries\nextion-master
 not used: c:\users\uno\documents\arduino\libraries\iteadlib_arduino_nextion-master
 not used: c:\program files (x86)\arduino\libraries\iteadlib_arduino_nextion-0.7.0
exit status 1
'nexpage' not name type

invalid library found in c:\program files (x86)\arduino\libraries\nextion-master: c:\program files (x86)\arduino\libraries\nextion-master

this report have more information with
"show verbose output during compilation"
option enabled in file -> preferences.



this arduino example code:

code: [select]

#include "nextion.h"

nexpage page0    = nexpage(0, 0, "page0");
nexpage page1    = nexpage(1, 0, "page1");
nexpage page2    = nexpage(2, 0, "page2");
nexpage page3    = nexpage(3, 0, "page3");

nextouch *nex_listen_list[] =
{
    &page0,
    &page1,
    &page2,
    &page3,
    null
};

void page0popcallback(void *ptr)
{
    dbserialprintln("page0popcallback");
    page1.show();
}

void page1popcallback(void *ptr)
{
    dbserialprintln("page1popcallback");
    page2.show();
}

void page2popcallback(void *ptr)
{
    dbserialprintln("page2popcallback");
    page3.show();
}

void page3popcallback(void *ptr)
{
    dbserialprintln("page3popcallback");
    page0.show();
}

void setup(void)
{   
    nexinit();
    dbserialprintln("setup begin");
   
    page0.attachpop(page0popcallback);
    page1.attachpop(page1popcallback);
    page2.attachpop(page2popcallback);
    page3.attachpop(page3popcallback);
   
    dbserialprintln("setup end");
}

void loop(void)
{
    nexloop(nex_listen_list);
}

can link library can test please.

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