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wesleyduff/Pass data FROM android app TO webView HTML JavaScript function

Created January 17, 2017 17:09
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Pass data FROM android app TO webView HTML JavaScript function
//Java
webview.getSettings().setJavaScriptEnabled(true);
webview.loadUrl("<your html file>"); //not in scope of this gist
webview.setWebViewClient(new WebViewClient(){
public void onPageFinished(WebView view, String url){
//Here you want to use .loadUrl again
//on the webview object and pass in
//"javascript:<your javaScript function"
webview.loadUrl("javascript:myJavaScriptFunc('" + argumentPassingIn + "')"); //if passing in an object. Mapping may need to take place
}
});
//HTML
<!DOCTYPE html>
<html>
<head><title>Demo</title></head>
<body>
<h1>Body</h1>
<script>
myJavaScriptFunc(val){
//Do something with val
}
</script>
</body>
</html>
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