Call Javascript from Phonegap outside of Plugin?

Question

I'm new to PhoneGap/Cordova, and would like to call some javascript outside of the CDVPlugin interface.... In code that isn't part of a plugin.

Is this possible? If I could get a reference to the webview that PhoneGap uses, I should be able to call something like:

[webView stringByEvaluatingJavaScriptFromString:@"myJSFunction()"];

or

[super writeJavascript::@"myJSFunction()"];

Community · Accepted Answer · 2017-05-23 12:03:41Z

0

You can do this for ios by getting a reference to the WebView from the AppDelegate:

+(void) fireJavascript:(NSString*) javascript
{
    AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];

    [appDelegate fireJavascript:javascript];
}

and in your AppDelegate, define a method like so:

- (void) fireJavascript:(NSString *)javascript
{
    NSLog(@"About to fire js:%@", javascript);
    [self.viewController.webView stringByEvaluatingJavaScriptFromString:javascript];
}

Note that you can get a reference for the app delegate in your app using info from this question on StackOverflow.

edited May 23, 2017 at 12:03

CommunityBot

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answered Mar 8, 2014 at 3:23

Brad Parks

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