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https://issues.apache.org/jira/browse/CB-13092?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16100323#comment-16100323
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Kerri Shotts commented on CB-13092:
-----------------------------------
If you can contribute a better translation of the German content, it would be
greatly appreciated, I'm sure.
To your issue -- you've two errors, only one of which is related to the plugin.
The last error ( {{"Uncaught TypeError: Cannot read property 'querySelector' of
null"}} ) is unrelated to plugins.
The other error ( {{"Uncaught TypeError: undefined is not a function"}} )
indicates that your plugin isn't clobbering {{window.echo}}. This is typically
specified with your plugin.xml file. Alternatively, if you're clobbering
{{window.echo}} yourself (as the example does), we'd need to see your full code
so that we can see when and where that's actually happening. It's possible that
you aren't waiting for {{deviceready}}, or, aren't waiting for {{window.echo}}
to be assigned. (My suggestion: use plugin.xml. It's described in more detail
here: https://cordova.apache.org/docs/en/latest/plugin_ref/spec.html#js-module)
> Plugin addition fails | Uncaught TypeError: undefined is not a function
> -----------------------------------------------------------------------
>
> Key: CB-13092
> URL: https://issues.apache.org/jira/browse/CB-13092
> Project: Apache Cordova
> Issue Type: Bug
> Components: AllPlugins
> Affects Versions: 7.0.1
> Environment: Windows 8 64 bit Enterprise
> Android Studio 2.3.3
> {code:java}
> $ cordova -v
> You have been opted out of telemetry. To change this, run: cordova telemetry
> on.
> 7.0.1
> $ npm --version
> 3.10.10
> $ git --version
> git version 2.13.2.windows.1
> $ grunt --version
> grunt-cli v1.2.0
> $ bower --version
> 1.8.0
> {code}
> Reporter: Dawid
> Priority: Minor
>
> Hey guys,
> For a few days now, I am trying to add a plugin myself based on the
> documentation on the cordova homepage.
> [https://cordova.apache.org/docs/en/latest/guide/hybrid/plugins/index.html]
> I started with the German version (because I am from Germany) and was
> disappointed. It is written terribly. Just the quality of the text itself is
> bad. I didn't go far enough to evaluate the content.
> I switched to the English version which is good, and I think I followed every
> step and have everything set up as it should be, but when I try to run my
> project (or a blank project for that matter) with the plugin added, I get the
> following error:
> {code:java}
> 07-24 03:51:15.036 29983-29983/? D/CordovaWebViewImpl:
> onPageDidNavigate(file:///android_asset/www/index.html)
> 07-24 03:51:15.247 29983-29983/io.cordova.hellocordova D/JsMessageQueue: Set
> native->JS mode to EvalBridgeMode
> 07-24 03:51:15.286 29983-29983/io.cordova.hellocordova
> D/SystemWebChromeClient:
> file:///android_asset/www/plugins/cordova-plugin-echo-js/www/echo.js: Line 28
> : Uncaught TypeError: undefined is not a function
> 07-24 03:51:15.286 29983-29983/io.cordova.hellocordova I/chromium:
> [INFO:CONSOLE(28)] "Uncaught TypeError: undefined is not a function", source:
> file:///android_asset/www/plugins/cordova-plugin-echo-js/www/echo.js (28)
> 07-24 03:51:15.290 29983-29983/io.cordova.hellocordova D/CordovaWebViewImpl:
> onPageFinished(file:///android_asset/www/index.html)
> 07-24 03:51:15.384 29983-29983/io.cordova.hellocordova
> D/SystemWebChromeClient: file:///android_asset/www/js/index.js: Line 36 :
> Uncaught TypeError: Cannot read property 'querySelector' of null
> 07-24 03:51:15.384 29983-29983/io.cordova.hellocordova I/chromium:
> [INFO:CONSOLE(36)] "Uncaught TypeError: Cannot read property 'querySelector'
> of null", source: file:///android_asset/www/js/index.js (36)
> {code}
> line 28 is the first line from following code:
> {code:java}
> window.echo("echome", function(echoValue){
> alert(echoValue == "echome");
> });
> {code}
> I googled a bit of course and tried various "solutions". Removing the
> plugins, removing the platforms adding them back up. Starting a project from
> scratch. Adding the plugins in different ways and other stuff that I am
> missing now for sure.
> I appreciate any kind of help. This problem is really annoying me.
> Best regards
> Dawid
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