Android :: Anyway To Get Javascript Error / Iphone Mobile Webkit Browser?
Feb 26, 2010
I have built a website for mobile webkit browsers, there is an interval update to refresh data. But it turns out that the pooling refresh will stop at some time after run for a while (some minutes or hours, different by each time).I thought there may be something error occurred in my refresh data functions, but it works well in my laptop browser. I also tried to listen window.onerror event, but webkit browser seems do not support that event. What else can I do?And I am also doubting is there any problem with setTimeout and setInterval functions in mobile webkit browser?
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Nov 17, 2009
I would love to use the Web Inspector development tools that come with webkit on a mobile browser.Does anyone know if it is possible to enable web inspector on say the Android web browser?
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Jan 24, 2009
I'm building (for lack of a better description) a mobile web app targeting Android users. I need to know what JavaScript events are available to me. I have been able to make the following work
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Nov 16, 2010
I am trying to pass 2 parameters to a javascript function.This code webview.loadUrl("javascript: function_to_call();"); works fine without parameters but i couldn't use it with parameters. code...
And this is how i call it from java . code...
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Sep 16, 2009
Is there any way to disable the WebKit JavaScript security for XMLHttpRequest? I need an HTML file in the local assets to access remote URLs for AJAX style calls.
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Jun 30, 2010
Is it possible to detect that the viewport is being dragged by a touch event?
Using the following code I am able to get the position of where the finger touched the screen, what node started the event and where it was dragged to. Which solves one of the problems but I would really like to detect when the user has dragged the page/window/viewport down.
To attempt to be more clear as to what I am trying to do: I would like simulate the refresh activity in Tweetie 2/Twitter for iPhone but in HTML5 and JavaScript. Code....
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Aug 18, 2009
If an html file is locally loaded from the assets directory into the webkit and if that html has an "alert" on it, what could be a reason it won't show a dialog?
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Mar 19, 2010
Is there any plans to support the onGestureXXX set of events like the iPhone's webkit has?
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Aug 13, 2010
for(var myLine = 0; myLine < 100; myLine++)
document.getElementById("myDiv").innerHTML += "line " + myLine + "<br>";
...............
<div style="position:...etc; overflow:auto;" id="myDiv"></div>
this works without a glitch in every browser on all non mobile platforms. However... when this is implemented on iPhone (Safari) or Android (webkit) the div gets filled up with the text but no scrollbar is generated when the text runs past the height of the div and the user can't "push" the content down either. So effectively overflow is always "hidden" no matter what. I'm curious if there's some alternative approach that I'm overlooking or if this is just a bug I have no way to get around at the moment.
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Jul 21, 2010
Is it possible to update WebKit behind the Android 1.5/1.6/etc (prior to 2.2) browser? I know latest nightly WebKit builds has great HTML5 support. So, my intention is to provide html5 video streaming (and other features) support on all those droids. Previously I was able to update WebKit engine on different devices with older Safari to meet my requirements (on any mac os x distros it's easy as updating WebKit.framework).
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Jan 28, 2010
I could display the box around the URL link, but if my URL link spans over more than one line, then my code shows the one rectangle on 1 line. But, in android-browser, in the same case, whole URL (still if it spans over multiple lines) gets surrounded by single large rectangle. I am not getting how this is achieved in android ?
Can anyone please give me some pointer on this ? I could not able to find out exact code for this in android-webkit code.
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Sep 22, 2010
Is it possible to add a JavaScript interface to the Android Browser the same way one can be added to the WebView Component as illustrated in this demo. My particular use case only needs JavaScript -> android so that I can send it back to the previous activity.
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Jan 18, 2010
Id like to create a small cross-mobile javascript application, which consists of a form and a grid as result. I also want to display some images, with something similar to lightbox. I coded an home maded prototype but id like to add 'touch' effects and support multiple screens easyly.I looked at JqTouch but its very slow on my HTC magic/android. Also found XuiJs but cant find any working example.Anyone found something light, nice, and iPhone+Android compatible ?
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Nov 18, 2010
I installed Titanium from appcelerator and built the "KitchenSink" example application.All works well, I'm just wondering where does the javascript code ends up in a built app.I grep-ed the Xcode project and also the result application as I found it in Library/Application Support/iPhone Simulator/KitchenSink.app, but I can't find any function names from .js files, not even string texts used within the application. Nearest information I found is an answer here : How Does Appcelerator Titanium Mobile Work? but I do not understand clearly how the process works.Is the javascript code being compiled into a binary code (what compiler is used then?), or is it just transformed in some special data-format and interpreted in a running application ?
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Jul 28, 2010
Or am I going to have to write an app to do that??
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Jul 15, 2010
For a site I'm working on I'm implementing image preloading with javascript however i most certainly do not want to call my preload_images() function if someone is on slow bandwidth.
For my market the only people with slow bandwidth are those using mobile Internet on a smartphone.
What's the best approach for detecting these users so i can avoid image preloading for them?
option 1 : detect browser width
if($(window).width() > 960){ preload... }
option 2: detect user-agent with a list of browser to preload for
if($.browser in array safelist){ preload... }
are there any better options?
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Feb 15, 2010
How can you detect that a user swiped his finger in some direction over a web page with JavaScript?
I was wondering if there was one solution that would work for websites on both the iPhone and an Android phone.
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Feb 6, 2010
HelloWebview code (and other WebView code samples) all result in "web page not available" error. Javascript is enabled. Permissions set for INTERNET, ACCESS_NETWORK_STATE, CHANGE_NETWORK_STATE in Manifest.xml. Does not work on either emulator or device (Samsung Moment -- Android 1.5). GOOGLE.com comes up on both emulator and device. I have looked for s solution for this for several days. I'm a real newbie to Android, and a pretty new user of JAVA but can follow an example / sample.
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Jun 25, 2010
I was recently hired to work on mobile Ajax applications. This is the first time I do this, as I always worked on usual Ajax sites on common web browsers. I'd need a framework and possibly a toolkit that works both on IPhone and Android... capable of abstracting the mobile browser the same way jQuery does with desktop browsers. I've seen JQTOUCH, but it seems very much IPhone oriented. I'd like something more cross platform and lighter. Do you have any idea?
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Jul 12, 2010
Instead of launching a UI I was wondering if I could have a process monitor the execution of a javascript in the emulator's browser and read in the output data. Is it possible to execute a local javascript file using the phone's browser?
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Apr 15, 2010
Is it possible to write "extensions" for the webkit based browser found on Android devices?
i.e. extensions akin to Google Chrome's ?
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Jun 20, 2013
I found disabling javascript on my dolphin web browser make navigation really really fast almost 3 times faster and use a lot less data to charge a web and battery last longer...
The thing is most of the website i browse during the day i don't really need javascript plus if i use roaming i can browse a lot of more with my restricted data plan but some times for certain site i really need javascript or they don't even work or work really bad.
I tought would be really useful a shortcut wich enable/disable javascript on demand with just one click instead of going in setting every time.Do you think is possible trought a bookmarklet enable or disable js?Do you know other browsers at the same level of dolphin with this feature?
GT-I9505 on Tapatalk 2
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Nov 6, 2010
Does anyone know how to download javascript for x10? i cant log in to hotmail using the browser.. it keeps prompting javascript required to sign in.
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Aug 9, 2012
I am creating an Android-Phonegap app using Eclipse IDE. I have created an HTML file containbing an image and 2 buttons. I have written the following code inside html file.
<!DOCTYPE HTML>
<HTML lang="en">
<HEAD>
<meta charset="utf-8"/>[code]....
When I run my app on Android emulator and click the buttons, I get Uncaught reference error in file. the say, "zoom and zoomOut" is undefined.t does not produce any of the dialog boxes.
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Oct 10, 2010
I'm writing a JavaScript for an open source browser available for Android to replace the text in the body tag of the pages loaded into the browser with some different text. This should be worked in away that once a page get loaded into the browser, this JavaScript executes & the replacements take place & finally the page with replaced text is visible in the browser.
This is the replacing part of the code:
var textnodes, node, i;
textnodes = document.evaluate("//body//text()[not(ancestor::script) and not(ancestor::style)]",document,null,XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,null);
replace();
function replace() {
for (i = 0; i < textnodes.snapshotLength; i++) {
node = textnodes.snapshotItem(i);
text = node.data;
text = text.replace(/'/g, "'");
//The rest of the replacements node.data = text;
However document.evaluate seems to be not working. How to correct this code or any suggestions to do this replacing body text task in any other way?
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Jun 3, 2010
I'm writing an application which connects to a back office site. The backoffice site contains a whole slew of JavaScript functions, at least 100 times the average site. Unfortunately it does not load them, and causes much of the functionality to not work properly. So I am running a test. I put a page out on my server which loads the FireBugLite javascript text. Its a lot of javascript and perfect to test and see if the Android WebView will load it. The WebView loads nothing, but the browser loads the Firebug Icon. What on earth would make the difference, why can it run in the browser and not in my WebView? Any suggestions.
More background information, in order to get the stinking backoffice application available on a Droid (or any other platform except windows) I needed to trick the bakcoffice application to believe what's accessing the website is Internet Explorer. I do this by modifying the WebView User Agent.Also for this application I've slimmed my landing page, so I could give you the source to offer me aid. package ksc.myKMB;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.Window;
import android.webkit.WebChromeClient;
import android.webkit.WebView;
import android.webkit.WebSettings;
import android.webkit.WebViewClient;
import android.widget.Toast;
public class myKMB extends Activity {
I already have JavaScript on the web browser on, the problem is the web view is acting to different from the web browser.
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Apr 12, 2010
I am planning a web app using GWT. How well will it be supported on mobile devices like iphone, android?
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Dec 3, 2008
1. Make sure all of your contacts from your current phone are synced up with Outlook.
2. Goto File
3. Import and Export
4. Select "Export to a file" and Click Next
5. Select "Comma Seperated Values (Windows)" and click Next
6. Select Contacts and click Next
7. Choose a destination for the file to be saved and click next
8. Click Finished
If you have excel or a spreadsheet program, go ahead and open the file. In the last name field make sure that each person either has a last name or has some letter in the field or they will not import correctly. They will just end up showing up with a phone number w/o a name. After doing this, resave the file........
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Jul 21, 2010
Wondering here if there is a way I could trigger an event, so that any library listening for these events (e.g. jQTouch, Sencha touch, iUI, ... ).
If I could extend or use jQuery for such task e.g. $(...).trigger('event') that would be great to know.
Usage example:
I need to debug a few web apps by simulating multi touch with my mouse. This seems a little complicated, so if I could trigger the multi-touch events using Javascript I could therefore test the app more efficiently.
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Apr 7, 2010
I have just created and iPhone web app, which has some x264 (mp4) video files on it. When I link directly to the file on the iPhone and the user taps the link, the video player is loaded and the video starts playing. Using the app on an Android phone causes the browser to download the video instead of just playing it. Is there a way to force a video player to just boot up and play the video not download it?
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