Android :: IPhone Single Codebase Cross Development
Jun 15, 2010
Is there a way, apart from using HTML and JavaScript on a web control, to have an (almost) single codebase for an application that should run on iOS and Android?The big issue is of course that they use a different language (Java for Android, Objective-C for iOS) for application development. It would be nice to have some sort of meta-language that will be translated in Java and in Objective-C.What about Flash? Adobe wasn't supposed to release a tool to create flash-based apps in iOS?
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May 4, 2010
Are there any viable approaches for creating multiple .APKs out of a single codebase? The apps may share the same code, but they could have different manifest files, different resources, or different external libraries (for example in an app with both free and paid versions, the free version could have a library for display ads). Ideally, this would be a single Eclipse project, with a way to specify which app to build/debug, and possibly a command line way to batch build everything.
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Feb 8, 2010
I am a C++ programmer interested in developing applications for Android as well as the iPhone platform. I have explored both these platforms by writing simple applications in Java (Android) and Objective-C (iphone). But the fact is that I am not comfortable with either of these languages, and it bothers me that I have to write 2 very different versions of the same application to support both platforms. (And then what do I do to run it on a Nokia phone?)Is using web technologies (JavaScript/HTML/CSS) a viable solution for writing apps which will run on multiple mobile platforms? I have heard of Appcelerator and PhoneGap, but I am not sure how mature these products are. I'd appreciate any feedback from folks who have used web apps as a solution for developing cross platform mobile apps.
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Oct 2, 2010
iPhone MMOG Pocket Legends To Go Cross-Platform News can be found there. Finally is all I can say.For those who don't want to read it it doesn't list a date that it should be ready by but it does indeed say Android will be one of the platforms they are porting to.
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Oct 7, 2009
I want to learn mobile programming, specifically Android or iPhone programming, but not sure if it is necessary to learn J2ME before working with Android or iPhone. I know only core Java (and OOP concepts very well).
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Feb 3, 2010
I am trying to set up multiple Android development environments on single Linux Debian machine. Everything works fine for one user. But whenever second user on the same machine tries to launch Eclipse (with ADT) there is an error displayed, that 8700 port is being used. Therefore, the second user is unable to debug. I have researched this issue myself and tried following solutions, but I am yet unsuccessful: 1) I have changed the DDMS port in Eclipse, for the second user to 8740 (Window -> Preferences -> Android -> DDMS -> Base local debugger port). No use: Eclipse still opens 8700 port for listening (showed by netstat and strace). 2) I have run the DDMS before running Eclipse, changed the port in it to be 8740 (File -> Preferences -> Debugger -> Port of selected VM). Not handy to have DDMS running outside Eclipse, Eclipse still opens 8700 port for listening. 3) Tried looking in the source code of ADT, found the reference where the 8700 port is passed and opened, it looks ok though and leaves me without a clue. 4) I have found several similar threads, but none of them helped my case (piled below for reference): 4.1) http://groups.google.com/group/android-developers/browse_thread/threa...
4.2) [url]4.3) [url}
Using: Eclipse 3.5.1 ADT 0.95 Debian Lenny
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Jul 31, 2010
I consider myself an Android developer, after having created four apps and learned a lot by creating them. Now I've begun my venture into the iPhone app development world, and I don't remember the Android learning curve being this extreme. It doesn't help, though, that I was very familiar with Java and Eclipse whereas I hardly even know how to use OS X. I learn fast and I know exactly what I want to make, I just need the means to get there. I'm really floundering with Xcode and the new project templates (of which there are several, and I hardly know what they mean). I know there are many books and things out there for starting from scratch but I feel like my Android knowledge should count for something. Is there a good resource for learning the basics of iPhone development, given that I am quite familiar with the Android platform? I'm looking for anything that converts Android knowledge to iPhone knowledge; a table of UI element names in each platform, or of concept equivalents, or a compare/contrast of the frameworks involved, or anything that will increase the rate of learning given that I know the Android platform already.
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Apr 16, 2010
I am entering mobile development. I have been working primarily in .NET since 1.0 came out in beta. Before that, I was mostly a C++ and Delphi guy and still dabble in C++ from time to time. I do web apps quite a bit so I am reasonably proficient with Javascript, JQuery and CSS. I have also done a few Java applications. I started web programming with CGI and live mostly in the ASP.NET MVC world these days.
I am trying to decide on which platform/OS and tool to select. I am concerned with the size of the market available for my applications as well as the marketibility of the skills I will pick up.
The apps I have in mind would work on both phones and pads. Some aspects of what I have in mind will play better on the bigger screens that will be available on pads.
Here are the options I am considering:
Apple iPhone/iPad using pure Apple SDK (Objective-C)
Apple iPhone/iPad using Mono Touch (C#)
Android using pure Android SDK (Java)
Multiple platforms using something like Titanium to generate native apps from web technologies (HTML, CSS and Javascript)
Multiple platforms using HTML5 web applications that run in the browser (HTML, CSS and Javascript).
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Jul 24, 2010
I would like to ask all of you if you know any good books, articles etc ... on development for these mobile platforms. I'm looking for learning material where the whole technology, OSes and development is discussed in great detail so i could gain a deeper understanding of the system as a whole.
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Jul 15, 2010
If I wanted to develop my mobile app's front end using js,css,html in order to target both Android and iPhone, what gotchas do I need to look out for?I'm not looking for the comparison of native vs web development as much as I'm concerned about performance and development issues.
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Apr 21, 2010
I'm planning to develop a game for iphone and android. what programming language can i use to create a shared codebase between the two platform. i understand that there are some parts which are device specific.
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Feb 8, 2010
I'm looking at jumping on the band-wagon and knock out a couple iPhone and Android apps.
I'm not a complete beginner as I have programmed in quite a few languages, with my current focus on PHP and Drupal development, but I have not developed for either the iPhone or Android before.
I have downloaded the respective SDKs, but I was hoping to find some good quality tutorials that with step-by-step guides getting your development environment up and building your first app.
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Jul 23, 2010
Is there any decent application for cross platform instant messaging? My wife has an iPhone and I have a Samsung Captivate.I really don't see the point in using SMS to send quick messages back and forth while I'm at work or wherever when we could easily use some IM client.
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Nov 4, 2010
I am trying to install Android on Beagleboard (TI's OMAP35x chip). They have provided toolchain to build the OS and port it on the chip. Now the next question is developing Android apps. I am interested in knowing about the Java SDK for android. So can I use the standard SDK provided by google, so far I cannot find any SDK provided by TI for Java.Putting it in simple terms, will an application developed on standard Android SDK work on beagleboard.
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Oct 8, 2010
We have a desktop/web java application and also getting into Android development.Ideally we would like one app that runs both on desktop and android.From what we can tell, it's not much possible to run normal java apps on android. But wondering if it can do it the other way? That is, run android apps easily on the desktop (without the user install the sdk or android emulator)?In a prefect world we'd like one app for both platforms. Realistically though it seems like we're going to have to have one app with two front ends?
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Sep 14, 2010
Can I have one Activity listen for a message from another?I have a TabActivity and I need to call a function/send a message to the associated tabs.How do I go about doing that?
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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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Jan 16, 2010
I'm looking for a way to collaborate on a "note" with a friend of mine on a Palm Pre. In our case, we want to maintain a collection of quotes together. It'd be nice if we could maintain updates in the same place and have them be in sync. Not necessarily looking for an "app," but a mobile site that would let us accomplish this would work as well. Does anyone have any ideas?
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Oct 19, 2010
i need an app that has a pc counterpart for video chat. i want top be able to get in touch with my momma via my EVO as soon as i get out of Basic Training. i have been trying every app. fring does not have a working pc app, qik does not seem to plan on this either. skype just released a app who only supports Voip phone calls no video(fail) and none of the conventional im apps are supporting video either: aim, talk, yahoo. did i miss something? is there one?
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Nov 4, 2010
I am looking for a lightweight cross platform GUI library for different signal-processing applications. An ANSI-C program must be statically linked with it and the size matters. A finished application must have the same look on any platform like iPad, iPhone, Android, Ubuntu, Leopard, Windows, etc.Qt is not appropriate, because it is C++, too big, and doesn't work on iOS devices. I lean toward OpenGL-based GUI library, because OpenGL is supported by every modern target platform and an OpenGL application will have the same look and feel on every device. Preferably, such GUI must support forms definitions using the declarative semantics, e.g. from C strings or from external textual files.
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Feb 15, 2010
I have a Bluetooth service that I programmed for .Net on a Windows machine and I would like my Android 2.1 phone to connect to it. The server is listening for the same UUID which the Android is using to connect. But the connection is failing.When I try to connect to devices that are not listening for that UUID, I get an exception with the message "Service discovery failed", but when I try to connect to the server that is listening for the right UUID a message box pops up saying:"There was a problem pairing with bluetooth device."And I get an exception with the message "Connection timed out." So it looks like the server and the Android are communicating, but there is some sort of failure during handshaking. I know that the Android requires that the server is paired with the phone and also encrypts the communication channel. Does anyone know which specifications are used to do this? I would love to get my server to respond properly to the connection attempt.
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May 7, 2010
It is clear that cross compilers will not be allowed by the Apple App Store, so a developer will need to be familiar with Objective-C to create applications for the iPhone.I was wondering, is there a cross compiler that will take Objective-C application code and rebuild it into a similar Java application that can be packaged for Android? That way, a developer could still learn just one language (obj-c) but put out applications on many devices.I understand that the Java port would be less optimal than a natively coded application, but could conceivably save a developer some time.
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Nov 7, 2010
The behavior of XMLHttpRequests in Android is very odd when doing cross domain requests. The browser should either fail with an error and not perform the request, or it should follow CORS (http:// www.w3.org/TR/access-control/) and start with an OPTIONS request to the remote domain. The Android browser (2.1 and 2.2) instead performs the request, which is received by the remote server (and this is the dangerous part both for data leaking and remote attacks), but the response is not set in the javascript (status of 0 and responseText null)
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Jul 30, 2010
More and more mobile platforms are being launched and sdk's are available to developers. There are various mobile platform are available,Android,iOS,Moblin,Windows mobile 7,RIM,symbian,bada,maemo etc.
And making of corss platform application is headache for developers. I am searching common thing across the platforms which will help to developers who want to port application to all platforms.Like what is the diff screen resolution, input methods, open gl support etc. please share details that you know for the any of platform . or is there possibilities , by writing code in html (widget type of thing) and load it into native application. I know about the android , in which we can add the web view into application. by calling setContentView(view)
Please share the class details where we can add the html view into native application of different type of platforms that you know.
Purpose of this thread is share common details across developers. marking as community wiki.
Cross platform tools & library
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Apr 18, 2010
I need as simple as possible solution for uploading files (eg. photos) to my website from mobile devices (iPhone, Android, BB, Nokia). Is it possible to do it in same way? Using Java or XHTML?
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Oct 14, 2010
How to we setup scratchbox for android to do cross compilation?What type of target do we choose?
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May 22, 2012
I need compiling a lib (ODE) for android - problem is it uses automake and I can't seem to find any decent documentation/how to cross compile a static/dynamic lib for android.
BTW, I'm using ubuntu 12.04 as a dev environment (latest up-to-datest SDK and NDKs are installed) and I have no problem with making the wrapper library - just need to get the static (or dynamic) lib built.
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Nov 19, 2010
I want to use somthing like: MyLogger.e("MyApp","I have an error.");
In a cross-plattform project, where MyLogger should be static to make it available in the whole project.
So I was trying something like:
CODE:.........
The compiler complains about the static. How do I do this? Is it possible at all? If not, what's the right approach?
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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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Nov 4, 2013
Umi Cross running on android 4.2.1 when is going to update or upgrade to android 4.3 or 4.4?
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