Android : Method Of Detecting Mobile Browsers With Javascript / Jquery?

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?

Android : Method of detecting mobile browsers with javascript / jquery?


Android :: Enable WebKit JavaScript Inspector In Mobile Web Browsers?

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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Android : No Java / Javascript On Droid Browsers / How To Get?

Jan 31, 2010

I've been following a discussion on the apparent lack of JavaScript and Java on Android browsers. One of my hot button applications requires either JavaScript or at least the ability to run a .jar file in order to save data. No one in the other discussion has been able to find a Android browser capable of supporting this application (TiddlyWiki)..

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Android : Jquery - Test For A Mobile Browser?

Aug 13, 2010

How do you test for, for example, and android browser in Jquery?

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Android :: Detecting Navigation Input Method On Device

Apr 1, 2009

Does anyone know how to detect what primary non-touch navigation method (trackball, dpad, wheel, etc) a device is using within the code?

I know that an app can structure the /res/ folders to detect it like this: /res/ drawable-nonav drawable-dpad drawable-trackball drawable-wheel

But what if I want my app to behave differently depending on the navigation input method- is there a way to do this in the code?

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Android :: Cannot Execute Javascript Function After Loading Html Content With LoadDataWithBaseURL Method

Jul 8, 2009

I have put HTML document into a string variable and load it by using webView.loadDataWithBaseURL(null, htmlString, "text/html", "utf-8", null).

After that, I tried two ways and want to execute javascript function "exec()" by using

1. webView.loadDataWithBaseURL(null, "javascript:exec()", "text/ html", "utf-8", null) -> This will overlap the content of previous "htmlString" and shows "javascript:exec()" on the screen.

2. webView.loadUrl("javascript:exec()") -> There will be "Can't find variable: exec line: ..." in Logcat

I have tried to output "htmlString" to a file located in sdcard, and tried to use webView.loadUrl("file:///sdcard/xxx/a.xhtml") + webView.loadUrl("javascript:exec()").

And...it fails again! how to execute javascript function after loading html content by "loadDataWithBaseURL"?

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Android :: Possible To Make Cross-domain AJAX Call On Mobile Browsers?

Jul 29, 2010

I have a site which makes SOAP requests to a separate domain using YUI's cross-domain AJAX transport. This is working wonderfully on my site, but unfortunately since mobile browsers don't support flash, I can't get it to work.Does anyone know of a way to make cross-domain AJAX posts on mobile browsers?

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Android :: Best Cross-mobile Javascript Framework

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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Android :: JavaScript Code After App Is Compiled Using Titanium Mobile

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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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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Android : Good Javascript Frameworks Toolkits Compatible With Mobile OSes

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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Android :: Comparing Browsers / Pros _ Cons Of Different Browsers

Mar 22, 2010

I've seen plenty of discussion here about different browser apps, but I have yet to see one listing the pros and cons of the different most popular browsers available for android. The main browsers I've been able to identify are the following: If there are any others worth mentioning, please add them to the list. I would love to hear your input regarding the pros and cons of each one.

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General :: Samsung Galaxy S Advance Mobile Network Not Detecting Properly?

Apr 22, 2013

My mobile samsung galaxy s advance GT-I9070 mobile network not detecting properly....

When i connected USB data cable mobile with pc...my mobile network working fine....

suppose i try to unplug my mobile USB data cable...my mobile network is gone....

I got error "Insert sim card to access network service".....

Model Number : GT-I9070

Android Version: 2.3.6

Baseband Version: I9070DXLK2

Kernal Version : 2.6.35.7-1211839
dpi@DELL176 #2
SMP PREEMPT Fri Nov 16 14:21:26 KST 2012

Build Number: GINGERBREAD.DXLK2

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Android : Can I Use A Different CSS Using JQuery?

Jul 31, 2010

I was designing a mobile version of my website but then realized I need to support at least three (iPhone, iPad and Android). In that case, I was thinking of using jQuery for the task where I would first detect what device it is and then load the appropriate CSS. How would I go about doing this? Is it something like this? And is this even the good way or is there a better way of achieving the same? Code...

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Android :: Browser Able To Process JQuery Scripts?

Feb 5, 2010

Is any Android browser able to process jQuery scripts?

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Android : JQuery Alternative To JQTouch With Better Droid Support?

May 26, 2010

Basically looking for a JQuery plugin with better Android browser support than JQTouch. Or even an alternative Javascript framework with better mobile support.

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Jquery On Android Is Very Slow Compared To Windows Phone

Nov 24, 2013

My website uses jQuery and the it's main feature uses a loop. On the desktop, all 3 browsers (GC, FF, IE11) executes the loop approx. 1,100 times a minute. On Windows Phone, it does 1,000 times a minute, a bit slower. But on Android in particular, it only gets about 500, and the UI updating is slow. I don't know about iPhone.why my jQuery is running much slower on Android then the rest of the platforms I've tested?

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Android : Make A JQuery Slider-like Feature On IPhone / Droid Web App?

Mar 11, 2010

In the iPhone or Android, if you have a JQuery Slider, it doesn't quite work (touchscreen will move the screen instead of drag the slider.)

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Android :: Frameworks Similar To Firefox - JQuery - Templates And Data Linking On IPhone

Nov 17, 2010

We have a great software foundation based on Microsoft MVC 2, Entity Framework 4, Repositories, POCOs, Service and Control layers, C# Views, JQuery and html. Firefox pulls 100 records in 250 ms, drops it in to a template, links the data to the markup, and we sit back and drink margaritas.

Boss walks in and says he wants an iPhone app. I bet we need an Android app too.

What frameworks could we use to easily jump from our Microsoft comfort zone in to the wide, wide world of the Apple iPhone / iPad, along with a follow-up Android baby.

I imagine we could use our JSON controller methods to communicate. Is there some type of a client side JavaScript consuming app framework we could get a reasonable Website like interface re-working? They didn't like the idea of simply running the whole thing in Safari, which works pretty well.

Needs:

Send and receive JSON objects
Some type of template engine so we can pair up objects to markup, or at least some way to separate design from programming
Something similar to JQuery would be nice
A good editor with auto-complete and highlighting, something that compares to VS2010

It took us two years to incorporate design patterns, Agile methods, and Domain Driven concepts using MVC and Javascript. We may have two or three months to re-produce the same functions.

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Android :: Method OnBackPressed() Of Type FirstGroup Must Override Superclass Method

Sep 7, 2010

I'm trying to override the onBackPressed() method of the ActivityGroup class:

public class MyClass extends ActivityGroup {

@Override
public void onBackPressed() {
// do something
return;
}

but I'm getting the error The method onBackPressed() of type MyClass must override a superclass method. I'm relatively new to Java, I've seen here that people do it and it works for them Why I'm getting this error? I'm writing an app for android 1.5, could the problem be here?

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Android :: Show Method Definition - Eclipse Recognizes Warning On Method

Nov 22, 2010

In Eclipse, when I mouse hover over a built-in method, it displays a method definition including stuff like what the method does, input objects, return objects etc. If I have a yellow line (warning) under the method I'm trying to use, I can't get the mouse-over to show the definition. If I try hitting F3, I get a "The Jar of this class file belongs to container "Android 1.6" How do I show the definition of the method I am using when there is a warning?

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Android :: Method.getAnnotation( ) Or Method.isAnnotationPresent( ) Not Working

May 12, 2010

I am trying to use annotation - method.getAnnotation( ) or method.isAnnotationPresent( ) and it is not working. I am using eclipse emulator for 2.1 OS version with JDK 1.6. Following is information about what I did..................

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Android :: How To Switch Windows Like Browsers?

Jun 15, 2009

I want to do the function of switch windows, like the browsers do now, eg: when i open a web1 and web2,i can use the "Window" function in the "menu" button.

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General :: Scroll Lag On Browsers In Android?

Aug 11, 2013

I just got a new Samsung Galaxy S III and am on CM10. But I see that there is quite a bit of lag when scrolling webpages on Chrome. Interestingly, the stock browser is ultra smooth. Is this a problem with the ROM or is there something deeper here?

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General :: Can Install Old Android Browsers

May 7, 2012

Is that possible to install an old Android browser apk in a newer version?

I have a Galaxy SII running ICS but I wanted to test my mobile websites using Froyo or Gingerbread browsers.

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Android :: Detecting Where Has Been Touched

Jul 7, 2010

I have a single bitmap with several individual pictures in (each one is an option) and I would like to detect when the user touches these pictures. I am using the event.getX and event.getY to detect where is pressed, I know the top left X Y and bottom right location of each of the pictures. What is the best way of detecting which one is pressed? (i.e. tieing up the event press and which picture has been pressed?

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Android :: Does Hdmi Out / Tv Out Work With Any Of Internet Browsers?

Aug 6, 2010

Ok so i have been searching the forums for an answer to my questions but cannot seem to find anything definitive. Does hdmi out/tv out work with any of the Internet browsers? Do any of the emulators support hdmi out/tv out? Is there any android device the supports tv out for its home screen and all apps? If not when will we get any of this?

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Android :: Web Browsers With User Agent Switching?

Sep 16, 2010

I am trying to see if there is more than the normal popular web browsers out there that support user agent switching. I am looking for those that support either custom or iOS settings.

Before I get attacked for wanting to emulate a iOS product I will explain.

The company I work for uses a 3rd party vendor for eBooks for our students we work with. They use a proprietary software that only worked on Mac or PC's to download the book as well as a online website.

Yesterday the vendor launched an app for the iOS that allows the users to download the books to their devices. They also altered the online version of the site to work perfectly with iOS devices.

They refuse to take into consideration Android devices and the website will not display the eBooks properly on any android device.

However, when playing around with Dolphin and xScope the User Agent settings have iPhone/iPad in them. After enabling them, the site thinks its a iOS device and the content works beautifully with it.

What I am trying to do is catalog the other browsers out there that support user agent switching to try to catalog the ones we can suggest to students to use.

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Android :: Detecting Hardware Capabilities

Jun 3, 2009

There are return values and such that allow handling if SensorManager sensors and location providers aren't available, but what about the camera and microphone for audio recording? Is there a way to detect those in software, or are we just to assume that every device running Android (even the rumored set-top box) is going to have a camera and microphone and try to use them?

In the case of the camera, it would seem that Camera.open() returning null would indicate the lack of hardware. I don't know if that assumption is valid or not, though, considering it isn't documented as such.

In the case of the microphone, though, I don't see anything that could possibly be checked. The same goes for the camera if you're wanting to do video with the MediaRecorder class.

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Android :: Detecting When Launched By An Alias

Sep 2, 2009

I'm trying to figure out how my Activity can detect if it was launched by an alias as opposed to by the main icon.

Is it possible to do this?

CODE:............

alias1 and alias2 appear as expected in the Launcher, but I don't see any way in multipleEntryPointTestActivity to tell which of these icons launched the application.

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