pass string from C# to Javascript with Phonegap and Windows Phone 8

Question

When developing a plugin, how is possible to get the result of my C# function to my javascript.

For instance having the echo plugin as in the official cordova doc

When I pass a result from C# to Javascript calling

DispatchCommandResult(new PluginResult(PluginResult.Status.OK, "{result:\"super awesome!\"}"));

Please How can I get the result inside my javascript code (how can I get: "super awesome")?

So you want to pass a variable from C# to JavaScript ?

aloisdg
– aloisdg

2014-12-18 16:39:54 +00:00
Commented Dec 18, 2014 at 16:39 — aloisdg
– aloisdg, Commented Dec 18, 2014 at 16:39

jcesarmobile · Accepted Answer · 2014-12-22 11:03:28Z

1

When you dispacth the plugin result with status OK from C#, the win callback is called, and it brigns the result with this.

Example, your javascript plugin calls this from javascript:

cordova.exec(win, fail, "Echo", "echo", ["input string"]);

So you have to create a win function that will get the result:

function win(result) {
    alert(result);
}

answered Dec 22, 2014 at 11:03

jcesarmobile

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Community · Accepted Answer · 2017-05-23 12:05:52Z

0

You could just write the string directly :

<script> var JavascriptBlah = '<%=yourString%>'</script>

or use the method InvokeScript to call a function to set the string :

webBrowser.InvokeScript("yourStringSetter", "yourString");

demo of a simple setter in js

source for the first solution

edited May 23, 2017 at 12:05

CommunityBot

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answered Dec 18, 2014 at 16:45

aloisdg

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7 Comments

eeadev Over a year ago

Please could you edit it and kindly provide an example with echo plugin?

aloisdg Over a year ago

I dont know how works echo plugin. I asked you if you want to pass a string because I know how to do that. I use the second solution. If you can execute c# and if you have wrap your application in a webbrowser you could do it too.

eeadev Over a year ago

I can execute a method C# using Phonegap, and call it via javascript (wrapping it). Then I want to pass a variable that I obtain into this method to JS. This is possible but not very well explained here: docs.phonegap.com/en/3.5.0/….

aloisdg Over a year ago

here a full example on github

aloisdg Over a year ago

This is the line of code to call in your JS : cordova.exec(win, fail, "Echo", "echo", ["input string"]);

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