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The other great thing about the various IDEs is that there are loads of tutorials and ¡°getting started¡± guides. Going from a bare-essentials installation of the IDE to running your first program will take you 15 minutes or less. In fact in most cases you can run ¡°Hello, world!¡± or similar by creating a new app from a template without writing any code yourself. That really is impressive.All great so far, then. So what's the catch? Well, writing decent applications is not a simple task. There is more to it than drawing a few GUI objects in a pretty design window on your PC or Mac.There is a pile of documentation for each of the offerings detailing how to use the IDE, describing the various libraries and system calls and so on. The documentation doesn't teach you how to write efficient code, or how to write properly in the various available languages. You will have to learn that separately.Which brings us to the development language you use. For iOS you have a choice of good old Objective-C, or the newer Swift which is kind of a derivative. They are both C-like but also sufficiently different that it takes a little while to get used to them. Of the three platforms it is probably the least like what the average developer is used to.In the Windows world you have the standard .NET choice of C# and Visual Basic. If you are used to full-fat Windows development you will probably find yourself thinking the mobile version feels cut down, though Microsoft will point out that it still acts as a common language which can still reach up from the handset to the back office.


On Android, Java is the way to go. Because the developer kit is Eclipse-based the IDE should feel familiar to any of the bazillion users who have used this for bigger Java development tasks.We have established that all of the platforms are pretty simple to get up and running, and that (quelle surprise) to do effective software development you will need people with software development skills. You will need a few other things as well, though.First is the ability to read the vendors' GUI guidelines. There is a reason why all good iPhone or Windows Phone or Android applications look similar and hence have transferable usability properties. They have been written by people who have read the vendors' guidelines on how to present things, what to put in the standard menus and so on.Read and digest the design guides and make your Windows Phone aplication, say, look like a Windows Phone application. Think of the desktop apps you have come across over the years and recall the ones that you hated most: they are the ones whose developers thought their way of presenting the GUI was better than the vendor's.Secondly, as you would for desktop applications, build yourself libraries of common code and re-use them wherever you can. Never code the same functionality twice, and let version control underpin your development cycle so that you can always roll back to the previous version if you screw something up royally.



Thirdly, you need design talent. I can write, say, an effective Windows application if it relies on windows, menus, dialog boxes, radio buttons and the like. The design guidelines tell me how to do it and the IDE's cool design features make it idiot-proof to align things correctly.But I am graphically challenged. Ask me to design an icon or a logo or to make a phone-based app that has the look and feel of my company's funky web site and I'm stuffed.Fourth, you must have a test regime. If you are building a corporate app there are two possible audiences: your staff, who will berate you hideously if the app is difficult to use or is as flaky as a flaky thing; or your customers, who will moan about you on social media if the app doesn't do what they want. Lack of testing equals shonky apps.The fifth but by no means least thing you will need is a policy dictating which platform(s) you develop for. If you are writing for internal users then you have some level of control over the range of devices you have to support. If you adopt a single platform as the corporate standard then you have only a single device to develop against.If you are developing something for customers to use then in an ideal world you would support all three platforms, but since there is no single language that works on all three you find yourself having to employ either multi-skilled developers (a scarce resource) or more bodies, each of which has more focused skills.You might well decide that priorities should follow market share. Whatever you decide, it is better to do fewer platforms well than to do all of them shoddily.


If you want your customers or staff to use applications on the move, give really strong consideration to writing apps for their mobile devices.Leaving aside the fact that any kind of software development requires skills in software engineering, modern IDEs are gobsmackingly easy to get to grips these days.It is genuinely realistic to consider writing your own applications and you will be able to achieve a remarkable amount in a relatively short time.Choose your platform(s) carefully, make sure you underpin development with version control and proper design and code control, and go for it. You will be surprised at how doable it is. If you're letting users connect from their own devices you have no domain-style control over them and can't enforce VPN settings and the like, it's essential to use a two-factor authentication mechanism. They're dead cheap, and although in the old days you'd end up carrying around a pocketful of six-digit-LCD-readout tokens for your various services that's no longer necessary. The Symantec one I use, along with many others, now has a virtual token that runs as an iPhone or Android app. Oh, and if you're wondering what the aforementioned ¡°domain-style control¡± means, check out Microsoft's Direct Access: it's an utter git to set up, but is an insanely good and transparent way of making your Windows client devices connect securely into the corporate network.


Oh, and, if you're thinking: ¡°What about the Cloud?¡±: fair point, but actually all of the above applies just as much if you host applications in the Cloud as it does when you host them in-house. Just because your apps are sitting in an Internet hosting centre somewhere doesn't mean you don't want to secure them properly against access by people not in your organisation. So you'll still want to wrap two-factor authentication and proper firewalling around the Cloud-based applications just like you would if they were in your office.The thing is, though, that although I've just said you can present (say) your email via ActiveSync through the firewall, you probably don't want to. Even if you could do something funky two-factor-securityish on it. The reason you don't want to be doing this is again security ¨C but perhaps not in the sense you'd immediately imagine. Yes, it's probably a general security concern if you permit any old device on the Internet to make an inbound ActiveSync connection to your Exchange world, but as long as you're using sensible precautions such as strong passwords the risk is often acceptable. The actual security problem is that your users can point any old device at the corporate systems, authenticate perfectly correctly with their credentials, and suck out all their data. And if they leave the company, they simply stroll off with that data.



Mobile Device Management, or ¡°MDM¡± as everyone knows is, is the Current Big Thing. A couple of years ago it was the Next Big Thing; now, though, mobile data speeds are up to scratch and so the desire to compute on the move is finally supported by a service that is no longer infuriatingly slow to use. MDM is, in short, a mechanism that allows the organisation to take control of all or part of a client device and do useful things like forcing the user to have a passcode on the device, in case it's nicked, or erase corporate data in the event the user leaves the company. Total control is great for corporately-owned devices, partial control for when you want to let users run some apps and read their mail on their own device.There are more MDM packages on the market than you can shake a stick at, and each has its own particular selling points. So you have the likes of JAMF Software, which aims firmly at the Apple market. You didn't know that iOS has built-in client software that lets you push profiles from a server and erases the settings and data when you tell it to? Shame on you. Then you have Good Software, whose Good For Enterprise product provides stuff like an email, contact and calendar sandbox that's ultra-secure and can even be told to lock if the device hasn't talked to the server for a few hours/days. Or there's BlackBerry Enterprise Server 10, in which RIM realised that the world doesn't really like BlackBerry any more but wants to make its Android gadgets and iPhones work like the BlackBerry handsets they just dumped because they didn't work any more. And then you have the likes of IBM, specifically its FiberLink subsidiary, that has a really cool MDM offering that's Cloud-based and requires a minimal in-house software footprint. Actually, that¡¯s only if you need particular features ¨C for the basic MDM service it's 100 per cent in the Cloud. The point of all of the above, though, is that if the user leaves the company the proprietary data on their devices is either secured or completely erased, which is a whole lot better than opening up general access to the corporate network, two-factor-authenticated or otherwise.

Message déposé le 13.12.2017 à 05:34 - Commentaires (0)




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