Archived:How to use MWS to provide local device functionality
The 'Mobile web server' was discontinued in February 2010. See here for more information.
Article Metadata
Many Widset/Widget applications are limited by the fact that their APIs does not provide support for much of the functionality that is available to native applications. This could be functions like:
- Getting locations using the GPS module
- Taking photos with the camera
- Bluetooth connections
- Accessing Contacts, Inbox or External Applications
- Sending SMS
- and much more..
As for now, according to the Web Developers' Library- messaging, media and location are available since WRT 1.1. An easy fix to obtain these functions in Widgets is to use the Archived:Mobile Web Server to provide these functions.
This can be achieved in a few steps:
Connecting to MWS from a Widset/Widget
The examples below shows how to get information from MWS
* Widget Example
function queryMWS()
{
// This code uses Prototype, but a standard javascript request will work just as well
new Ajax.Request("http://localhost/hello.py",
{
method: 'get',
asynchronous: 'false',
onSuccess: function(transport, json)
{
return true;
},
onFailure: function()
{
return false;
}
});
}
* Widset Example
void queryMWS()
{
// Prepare the URL.
String URL = "https://MWS_username:MWS_password@MWS_username.mymobilesite.net/hello.py";
// Fetch from the URL.
call(null, "httpLocalhost", "get", ["url" => URL], success, failure);
void success(Object state, Value ret)
{
setBubble(null, "The server successfully returned " + ret);
return;
}
void failure(Object state, String error)
{
setBubble(null, "Local server is not responding properly.");
return;
}
}
Using Python modules with MWS to provide local device functionality
Two files is necessary to get python executing on MWS:
*ht.acl
Invalid language.
You need to specify a language like this: <source lang="html4strict">...</source>
Supported languages for syntax highlighting:
4cs, 6502acme, 6502kickass, 6502tasm, 68000devpac, abap, actionscript, actionscript3, ada, algol68, apache, applescript, apt_sources, asm, asp, autoconf, autohotkey, autoit, avisynth, awk, bascomavr, bash, basic4gl, bf, bibtex, blitzbasic, bnf, boo, c, c_loadrunner, c_mac, caddcl, cadlisp, cfdg, cfm, chaiscript, cil, clojure, cmake, cobol, coffeescript, cpp, cpp-qt, csharp, css, cuesheet, d, dcs, delphi, diff, div, dos, dot, e, ecmascript, eiffel, email, epc, erlang, euphoria, f1, falcon, fo, fortran, freebasic, fsharp, gambas, gdb, genero, genie, gettext, glsl, gml, gnuplot, go, groovy, gwbasic, haskell, hicest, hq9plus, html4strict, html5, icon, idl, ini, inno, intercal, io, j, java, java5, javascript, jquery, kixtart, klonec, klonecpp, latex, lb, lisp, llvm, locobasic, logtalk, lolcode, lotusformulas, lotusscript, lscript, lsl2, lua, m68k, magiksf, make, mapbasic, matlab, mirc, mmix, modula2, modula3, mpasm, mxml, mysql, newlisp, nsis, oberon2, objc, objeck, ocaml, ocaml-brief, oobas, oracle11, oracle8, oxygene, oz, pascal, pcre, per, perl, perl6, pf, php, php-brief, pic16, pike, pixelbender, pli, plsql, postgresql, povray, powerbuilder, powershell, proftpd, progress, prolog, properties, providex, purebasic, pycon, python, q, qbasic, rails, rebol, reg, robots, rpmspec, rsplus, ruby, sas, scala, scheme, scilab, sdlbasic, smalltalk, smarty, sql, systemverilog, tcl, teraterm, text, thinbasic, tsql, typoscript, unicon, uscript, vala, vb, vbnet, verilog, vhdl, vim, visualfoxpro, visualprolog, whitespace, whois, winbatch, xbasic, xml, xorg_conf, xpp, yaml, z80, zxbasic
AuthType Basic AuthName 'Hello' AuthBasicProvider file AuthUserFile conf/passwords.txt AuthGroupFile conf/groups.txt # If you want to give access to all users #Require valid-user # If you want to give access to only yourself or some groups (add all needed groups delimited with space) Require group admin # If you want to give access to some users (add all needed users delimited with space) #Require user quest AddHandler mod_python .py PythonHandler hello PythonDebug On Options None Order Deny,Allow Allow from all <FilesMatch "\.(pyc)$"> Deny from all </FilesMatch>
*hello.py
Invalid language.
You need to specify a language like this: <source lang="html4strict">...</source>
Supported languages for syntax highlighting:
4cs, 6502acme, 6502kickass, 6502tasm, 68000devpac, abap, actionscript, actionscript3, ada, algol68, apache, applescript, apt_sources, asm, asp, autoconf, autohotkey, autoit, avisynth, awk, bascomavr, bash, basic4gl, bf, bibtex, blitzbasic, bnf, boo, c, c_loadrunner, c_mac, caddcl, cadlisp, cfdg, cfm, chaiscript, cil, clojure, cmake, cobol, coffeescript, cpp, cpp-qt, csharp, css, cuesheet, d, dcs, delphi, diff, div, dos, dot, e, ecmascript, eiffel, email, epc, erlang, euphoria, f1, falcon, fo, fortran, freebasic, fsharp, gambas, gdb, genero, genie, gettext, glsl, gml, gnuplot, go, groovy, gwbasic, haskell, hicest, hq9plus, html4strict, html5, icon, idl, ini, inno, intercal, io, j, java, java5, javascript, jquery, kixtart, klonec, klonecpp, latex, lb, lisp, llvm, locobasic, logtalk, lolcode, lotusformulas, lotusscript, lscript, lsl2, lua, m68k, magiksf, make, mapbasic, matlab, mirc, mmix, modula2, modula3, mpasm, mxml, mysql, newlisp, nsis, oberon2, objc, objeck, ocaml, ocaml-brief, oobas, oracle11, oracle8, oxygene, oz, pascal, pcre, per, perl, perl6, pf, php, php-brief, pic16, pike, pixelbender, pli, plsql, postgresql, povray, powerbuilder, powershell, proftpd, progress, prolog, properties, providex, purebasic, pycon, python, q, qbasic, rails, rebol, reg, robots, rpmspec, rsplus, ruby, sas, scala, scheme, scilab, sdlbasic, smalltalk, smarty, sql, systemverilog, tcl, teraterm, text, thinbasic, tsql, typoscript, unicon, uscript, vala, vb, vbnet, verilog, vhdl, vim, visualfoxpro, visualprolog, whitespace, whois, winbatch, xbasic, xml, xorg_conf, xpp, yaml, z80, zxbasic
def handler(req):
from mod_python import apache
import httplib
try:
#
# Execute any python code here
#
req.write("Hello World")
req.status = 200
return apache.OK
except Exception, e:
req.status = 404
return apache.OK
Good examples of how to use python modules can be found at the Mobile Python Book and Python section.
* Example of using python to get the current location
Invalid language.
You need to specify a language like this: <source lang="html4strict">...</source>
Supported languages for syntax highlighting:
4cs, 6502acme, 6502kickass, 6502tasm, 68000devpac, abap, actionscript, actionscript3, ada, algol68, apache, applescript, apt_sources, asm, asp, autoconf, autohotkey, autoit, avisynth, awk, bascomavr, bash, basic4gl, bf, bibtex, blitzbasic, bnf, boo, c, c_loadrunner, c_mac, caddcl, cadlisp, cfdg, cfm, chaiscript, cil, clojure, cmake, cobol, coffeescript, cpp, cpp-qt, csharp, css, cuesheet, d, dcs, delphi, diff, div, dos, dot, e, ecmascript, eiffel, email, epc, erlang, euphoria, f1, falcon, fo, fortran, freebasic, fsharp, gambas, gdb, genero, genie, gettext, glsl, gml, gnuplot, go, groovy, gwbasic, haskell, hicest, hq9plus, html4strict, html5, icon, idl, ini, inno, intercal, io, j, java, java5, javascript, jquery, kixtart, klonec, klonecpp, latex, lb, lisp, llvm, locobasic, logtalk, lolcode, lotusformulas, lotusscript, lscript, lsl2, lua, m68k, magiksf, make, mapbasic, matlab, mirc, mmix, modula2, modula3, mpasm, mxml, mysql, newlisp, nsis, oberon2, objc, objeck, ocaml, ocaml-brief, oobas, oracle11, oracle8, oxygene, oz, pascal, pcre, per, perl, perl6, pf, php, php-brief, pic16, pike, pixelbender, pli, plsql, postgresql, povray, powerbuilder, powershell, proftpd, progress, prolog, properties, providex, purebasic, pycon, python, q, qbasic, rails, rebol, reg, robots, rpmspec, rsplus, ruby, sas, scala, scheme, scilab, sdlbasic, smalltalk, smarty, sql, systemverilog, tcl, teraterm, text, thinbasic, tsql, typoscript, unicon, uscript, vala, vb, vbnet, verilog, vhdl, vim, visualfoxpro, visualprolog, whitespace, whois, winbatch, xbasic, xml, xorg_conf, xpp, yaml, z80, zxbasic
def handler(req):
from mod_python import apache
import location
import positioning
req.content_type = 'text/xml'
req.write("<?xml version='1.0' encoding='utf-8'?>")
req.write("<twitnflick>")
req.write("<modules count='" + str(len(positioning.modules())) + "' default='"
+ str(positioning.default_module()) + "'>")
for x in positioning.modules():
req.write("<module id='" + str(x['id']) + "'>")
req.write("<name>" + x['name'] + "</name>")
req.write("<available>" + str(x['available']) + "</available>")
req.write("</module>")
req.write("</modules>")
positioning.set_requestors([{"type":"service","format":"application","data":"test"}])
gpspos = positioning.position()
req.write("<position>")
req.write("<latitude>" + str(gpspos['position']['latitude']) + "</latitude>")
req.write("<longitude>" + str(gpspos['position']['longitude']) + "</longitude>")
req.write("<altitude>" + str(gpspos['position']['altitude']) + "</altitude>")
req.write("<horizontal_accuracy>" + str(gpspos['position']['horizontal_accuracy'])
+ "</horizontal_accuracy>")
req.write("<vertical_accuracy>" + str(gpspos['position']['vertical_accuracy'])
+ "</vertical_accuracy>")
req.write("</position>")
req.write("</twitnflick>")
return apache.OK
29 Sep
2009