mobile

PayPal transaction in mobile app

I want to develop a mobile app that allow user to finish PayPal transaction without redirecting to web browser, all stuff (login, paying, etc) are done in app itself. I don't know how to perform PayPal login in the app, almost all examples on internet are redirecting to paypal site to finish login. Is there a way to perform login witho...

Rails link_to not automagically using request.format as extension in links

I'm setting request.format = :mobile within an ApplicationController before_filter. before_filter :some_filter def some_filter request.format = :mobile end I have this mapping in routes: map.my_list '/my_list.:format', :controller => "of_no", :action => "significance" When I do the following: <%= link_to "My List", my_list_path...

Difference between jQTouch and jQuery mobile

What is the difference between jQTouch & jQuery Mobile Framework ? Are they related (other than being both based on jQuery) ? Do they have the same goal ? ...

What do you think of Rhodes framework?

When developing for mobile applications I want to target multi platforms, thus, i found that Rhodes Framework allows to code "a single application that works on all major smartphones". As it's a ruby framework and I'm not a ruby programmer, I want to know if it's worth it ! Is Rhodes working well in a production enviroment what custo...

Clearing preferences in SharedPreferences in Android, not just Values

Hello there, from what I can incur out of the SharedPreferences documentation, I can update a preference, add one or clear all preference values in a shared preference file. But I want to completely clear everything inside a shared preference file, not just the values, but the preferences they refer to as well. ...

Detecting mobile browsers on the web?

I'm curious to know how to check for iPhone, iPad and other mobile browsers.(JavaScript or CSS) Edit: Not user agent string, please. That can be faked. Possible Dupes: http://stackoverflow.com/questions/1005153/auto-detect-mobile-browser-via-user-agent and http://stackoverflow.com/questions/142273/standard-way-to-detect-mobile...

Risk of using Airplay and MobiOne Studio?

Hello everybody, I would like to know if using Airplay or MobiOne Studio to develop iPhone apps on a PC is actually a viable idea in terms of actual deployment into Apple's App Market. Will my app face the horror that is rejection from the app store or something like that? Didn't Steve Jobs say they will reject apps that are not made us...

did anyone know why the prg shows no subitem ?

the listview shows in this test no subitem, the base is net cf 3.5 and wm6. and i become no error and no subitem but why Dim i As Integer For i = 0 To 3 Dim item As New ListViewItem piclist.Images.Add(getuserpic(Mainform.nickname_1.ToString, Mainform.mainurl)) item.ImageIndex = i item.Text = "tester...

How to tell when AudioTrack object has finished playing?

I'm trying to play a PCM file in Android using the AudioTrack class. I can get the file to play just find but I cannot reliably tell when playback has finished. AudioTrack.getPlayState says playback has stopped when it hasn't. I'm having the same problem with AudioTrack.setNotificationMarkerPosition, and I'm pretty sure my marker is set ...

What mobile framework is suitable for a project which requires frequent database communication?

I have been struggling between jqtouch, iphone sdk and sencha touch for the past week. I still cannot make up my mind which is the most suitable mobile framework for my project. My project need users to submit content based on their current geological location, thus often fetching and submitting data into the database. It's abit like fou...

Listening for javascript touch events but still allowing default scrolling behaviour

I am trying to implement a scrollable element for a mobile app and it looks like you must use preventDefault on the initial touchStart event, otherwise the browser will not fire all the touchMove events (presumably for performance reasons). So it would seem that if I want to allow touch scrolling on an overflown element, the user will n...

android css transitions stop animating

Has anyone else run into an issue where a CSS transition stops animating? I am trying to animate an element scrolling it left or right by applying -webkit-transition: left 500s linear; it works fine at first, but if you make the element scroll back and forth from repeated user actions, at some point the transition just stops animating....

Google Maps slow when markers on it

Im writing a small webapp based on the idea of openspot for training proposal. When I open the map with my desktop pc everything is fine, but when I open it with my HTC Desire and add a marker the map hangs. You can find a demo here (in german) http://park-a-lot.de Just go to "eintragen" and set a marker. Then go hack and click on "...

500 Internal Server Error when mobile web app is accessed via a BlackBerry 9000 (Bold)

Hey everyone, I have a mobile web application and I'm testing the site by using various BlackBerry phones. I've noticed that if I use a BlackBerry 9000 (Bold) and I try and login, I receive a "500 Internal Server Error", but the login works fine when I use another BlackBerry model with a different operating system. Any ideas? ...

Accessing .NET Services from Mobile Clients

Hello, I have some HIGHLY sensitive data that I need to expose to Android and iPhone clients. My backend is completely in .NET. I'm trying to figure out the best approach to providing this sensitive data to the iPhone and Android platforms. I'm getting lost in all of the opinions circling around the internet. Some say use SOAP because...

How to authenticate a mobile App without username and password?

I'm building a Webapp that uses OpenId to authenticate users, like Stackoverlfow does. There will be a mobile App too, e.g. Android or iPhone. These Apps have to authenticate or login somehow, to access data and update stuff that belongs to the user. Since there is no username and password one could provide to authenticate the mobile dev...

Windows 7 with VS2008, Mobile Device Emulator Not Working

I have a windows mobile app developed under windows XP / Visual Studio 2008. When I try and run it on windows 7 through visual studio I cant get the emulator to connect to the internet. Other posts on the web have suggested windows 7 / VS2008 dosn't work for mobile device emulation. Is this true? ...

making iphone picker/combo box links

I'm building a navigation drop down/combobox menu for a mobile website. it works fine on no iphones. essentially you click an item from the drop down and then it links you to the appropriate page. when I do this with the iphone it brings up the picker wheel, I click my selection, and then nothing happens. I'm fairly new to building s...

954 Loader Error for Java Midlet download

Hi there, We are using IIS6 to serve mobile games (J2ME Midlet), we have set the MIME type for both the .jad and jar files on the server. However, there are quite a few 954 Loader error responses, from Google results I discovered such 954 error is due to the OMA download descriptor (as this error code does not belongs to the J2ME Midle...

J2ME multiple form/screen pattern

I can't seem to find any examples on the web on J2ME apps with multiple "forms" or screens. What is the best pattern to handle multiple screens in a MIDlet and keep the memory consumption low? Here's a sample display structure (any can be a form or plain canvas with custom items), Main Menu - Sync - Settings - Item ...