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I need to build an app that controls GarageBand on OS X.
It's an app for iPhone that would control basic functions from OS X GarageBand like play, pause, etc.
I don't know how to build this app, how can I communicate with OS X?. Some friends told me about bonjour, but I have no experience with it and I have no idea on how to use it to build this app and yes I've read the bonjour's page.
Can someone give me some direction?
Your best bet is CoreMidi
https://developer.apple.com/library/ios/documentation/MusicAudio/Reference/CACoreMIDIRef/_index.html
Garage Band speaks midi, and if your app sends midi signals either over USB or some other protocol (like Bonjour to a listening client app) you can interact with GarageBand this way.
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I need a simulator for Siemens S7-200, which operates without communication of Programmable Logic Controller with PC.And it is download able version not online version.
Please help me out here.
LibNoDave had a server example where you could simulate DB and IO so that clients think that they talk to real PLC. It was working for S7 300 and S7 400, so you might check if it works for S7 200 (since library supports all of them). However you can not run your PLC application with it. If you need that then you would have to try to replicate PLC behaviour with custom PC code.
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I was wondering if it is possible to display images in desktop the way it shows in iPad?
I am building a web application and let the user creates the images, but it needs to be displayed properly in iPad or iPhone. Is there a way to simulate the way iPad would show in the desktop webpage?
On a PC, there is no way I am aware of. On Mac, you could install Xcode, which is meant for developers but comes with a free iPad simulator. By launching Xcode, creating a project with some dummy details, hitting run in the top left (make sure the iPad option is selected), you have an iPad simulator. You may need to get out of the app being simulator by going to Hardware>Home. You can swipe over to safari and use it as if it is on an iPad. Let me know if you need some clarification.
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I have an iOS app which use the ffmpeg library, and iOS should compile in static link. According to the LGPLv2, do I release my source code related my UI or other bussiness logic ?
The interaction between the LGPL and Apple's app store is a disputed issue. The only way to get advice you can rely on is to ask a lawyer. I believe that you have two choices -- you can either open source your entire application or you can make available all the object code (.o and .a files) needed to re-link your application.
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I hope this is not outside the scope of the this forum.
I was just wondering if anyone knows of any rules or guidelines for namming your iPhone app. Particulary I want mine to start with the letter 'i' as in iAwesomeApp (for example). But I thought maybe Apple wouldn't allow it because it is too close to their own marketing scheme i.e. it is too close to iTunes, iPod, iPhone etc.
What do we think?
There are plenty if i apps but you need to stay clear of any other Apple brands like
Pod / Pad
MacBook etc
You probably want something short for your display name so to avoid the ... in the middle if it's too long.
Just look at the iTunesApp store. There are many, many apps that start with "i" for the same reasons, so I think it must be fine. There isn't anything I've read in the guidelines that disallows it.
Steer clear of any registered trademarks. You can get away with putting trademarks in your keywords sometimes, but Apple can and will reject your app for that as well so I would avoid it if possible.
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I am an experienced C/C++ programmer and have worked with assembly and many other programing language and I want to start a project as a learning process. I want to try and run a simple custom os on the iphone or ipad. What knowledge would I need to do this, and how does the iphone or ipad bootloader load the os and how could I modify it to load a custom os?
Im not really sure what to ask here so I really just need to get as much information as possible so I could ask some more informed questions to get my project started
Thanks
The first objective is to find a way to launch custom code on the iphone/ipad. Unfortunately for you this is virtually impossible. Although some jailbreaks exist for the iphone, the flaws that allowed people to put their own custom code onto the phone have mostly been closed. It's possible to do it still but it creates a tethered jailbreak, which means upon resetting your device, you will lose any custom code you managed to get onto the phone/ipad.
I would suggest finding a different device to use for your experimentation.
Take a look at the iphonelinux project. It's in a very early stage and uses the same exploits that allow jailbreaking.