How can I call Android JavaScript functions in WebView?
Let’s learn how can I call Android JavaScript functions in WebView. The most accurate or helpful solution is served by Stack Overflow.
There are ten answers to this question.
Best solution
I am trying to call some javascript functions sitting in an html page running inside an android webview. Pretty simple what the code tries to do below - from the android app, call a javascript function with a test message, which inturn calls a java function back in the android app that displays test message via toast. The javascript function looks like: function testEcho(message){ window.JSInterface.doEchoTest(message); } From the WebView, I have tried calling the javascript the following ways...
Answer:
I figured out what the issue was : missing quotes in the testEcho() parameter. This is how I got the...
user163757 at Stack Overflow Mark as irrelevant Undo
Other solutions
// Java Code: public class A extends Applet{ public void foo(int[] a) { a[0]=3; } } //Javascript Code: var arg = new Array(1); arg[0]=2; Applet.foo(arg); But `arg[0]` remains `2`
Answer:
You are right, JavaScript arrays are copied and converted before they are passed to Java Code. From...
David Tanzer at Quora Mark as irrelevant Undo
When Android gets all caught up in itself [frozen by App's, or whatever], it ALSO means that you can't even make a call? How is that useful to a User?
Answer:
Well, the "phone" is just another application on the system that needs to run like everything...
Cliff Gilley at Quora Mark as irrelevant Undo
I have a situation where I'd like for some data to be passed from a mobile web site to a native Android app. A complication is that, in the normal case, the native Android app might not be installed when the mobile web site is loaded. Here's an example...
Answer:
yes you can - you use data intent filters to catch certain protocols or URLs.have a look at http://developer...
Warren Miller at Quora Mark as irrelevant Undo
For example there is a class Sample.cs public class Test { publiv void TestFunction() { // set of code } } the TestFunction is to be called in the javascript function <script type="C#/javascript"> function TestCall() { Test.TestFunction...
Answer:
It really depends that which technology stack are you in. I have asp.net background so I will answer...
Muhammad Haseeb Asif at Quora Mark as irrelevant Undo
Whats the best way to create a web app in Android? I want to use all the native functions of android. I also want to implement the sliding menu API in action bar. Link: SlidingMenu. One way is using android webView and the other way is PhoneGap. Which...
Answer:
I think using cordova (phonegap) is the best approach since there are plugins available for most of...
Prabhu Swaminathan at Quora Mark as irrelevant Undo
I have a very popular web app that I've discovered a number of people are re-publishing as Android and iOS apps without my permission. Id like to present users with a link to our official apps. Is there a way to use Javascript to probe the environment...
Answer:
Do you have your own iOS and Android apps? If so, you can add a custom header to the page requests...
Pat Roberts at Quora Mark as irrelevant Undo
I am really struggling with this. If I use a submit button and then say: <?php if isset($_POST['buttonName']){ ?> call some javascript function. <?php } ?> The above code does not work properly. if do an onclick for the submit button...
Answer:
I would like you to go through Browser — Server Communication good discussion on this. What...
Ashish Kasama at Quora Mark as irrelevant Undo
There's this android_webview directory in the source code of Chromium:http://src.chromium.org/viewvc/c... For speed, I want to use it instead of the default webview in Android. I built Chromium for Android (http://code.google.com/p/chromiu... AndroidBuildInstructions...
Answer:
It isn't as simple as copying a few .so files into your application resource directory. You have built...
Sahaj Sawhney at Quora Mark as irrelevant Undo
In JavaScript, since global variables are available to functions, is there ever any reason to pass them to functions through arguments?
Answer:
Namespace pollution. Also, you often will want to pass different variables/values to the same function...
judytaos at Ask.Metafilter.Com Mark as irrelevant Undo
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