I'm trying to write an IDE for the iOS and I stumbled on a problem. I of course wanted to be able to do syntax highlighting, but I have no idea how I have to get this to work.
I have been googling over a month now, but I haven't found anything useful. Most libraries are C++. That I find no problem, I know enough of C++, but they all use the Boost libraries and I heavily doubt if it's easy to install them on a jailbroken iOS device, or even compile them for the iOS on the Mac.
So I come here for help. What should I do? Should I use a PHP syntax highlighter, which always colors the whole document? Should I write a syntax highlighter my self, that doesn't use the Boost library? Or does somebody here know another library, which can be used on the iOS?
Thank you in advance,
ief2
i have a simillar problem about syntax highlighting, but i prefer to solved it using UIWebview than using core text, because that is a different pixel in rendering text in core text and UITextview (in my problem i was using a core text view that cover by uitextview), and then i try to solved using uiwebview, even i'm still on developing but i can say that it is better using uiwebview than core text, maybe you can take a look at this link http://alexgorbatchev.com/SyntaxHighlighter/ it is an open source code, but it develop using javascript.
Most Boost libraries are header-only. There are only a few Boost libraries, like those for threading and asynchronous I/O, that use a compiled library. If you've found some solutions that would work fine aside from your worries about using Boost, then I would look at them again, as they'll likely work. Even if you must use a Boost library that is not header-only, you can always build it as a static library and link that into your application, so that in the end the only thing that needs to be installed is just your app bundle.
I know this is old, but in case anybody is looking for a complete syntax highlighter for iOS, there's two options:
Highlightr: A Swift library for syntax highlighting, supports hundreds of languages but uses JS as backend. It's fast enough for live editing, though. (Disclaimer: I am the creator of this library).
SyntaxKit: A native solution on early stages of development. Should support any TextMate syntax in the future.
Related
My goal is to build a swift iOS framework which uses two other frameworks (included as separate projects) and which shouldn't reveal the source code after built.
Is there some text/guide/documentation which would explain and navigate me through the process of building such a framework properly and correctly?
I built framework with aggregate target adding and linking frameworks on which my custom framework is dependent using run script as indicated here. I was able to add built of my custom framework to my custom app, together with other two dependencies (again as a separate projects), and run it on the device. However, I am not convinced by the correctness of my custom framework built.
Moreover, I was not able to upload the archive to the Appstore due to the various errors of "Unsupported architectures...", "CFBundleIdentifier Collision...", "Invalid Bundle...", "Invalid Binary" and so on. After sorting these errors out according to the various stackoverflow answers and installing the app from the TestFlight, the app crashed after launch and wasn't working at all.
I was checking various blog posts, stackoverflow questions/answers and Apple Framework Programming Guide but nothing gave me comprehensive understanding on building custom framework under conditions described above.
Everything I did was just following step-by-step tutorials without explanation of the purpose of the steps. I am sure I am missing the basics. Could you please help me and give me some guides?
I can understand you frustration. I, a while ago too searched probably for many documents on how to write a framework correctly but like you I also didn't find anything really that satisfying. From my own experiences I can give a couple of advices.
NO External Libraries
In my opinion DO NOT use external libraries in your own framework. I don't really know what your frameworks purpose is but most of the stuff you want to do can be done without using external libraries. Depending on other libraries is not a good idea especially if its a framework you are working on. Anytime these libraries get updated or even worse if they don't you will have to wait for them to be updated or find another library.So rather than this happening later on I think its better if you do it from the start. So loose the external libraries.
Universal Framework Binary
Second one is pretty easy. Generating a universal framework. I suggest you don't use a script. Most of the scripts I found were either outdated or they didn't work at all. Later on I found out that actually it was pretty easy to generate one on your own. You can do this by building your project once for a real device and one for the simulator.Then you can generate a universal binary by using the command lipo -create "Your simulator executable path" "your iOS device executable path" -output "your framework name". What this does is that it combines your two executable files and generates a universal one. Then you can just go and copy your simulator documents from the modules file and paste them in you iphoneos modules file. I am going to share a link were you can go through the walkthrough yourself. https://medium.com/wireless-registry-engineering/create-a-universal-fat-swift-framework-b7409bbfa18f
Use Objective-C(If you can)
This one is bit of a tricky one unless you know objective-c. What I would recommend is that you implement your framework using Objective-C and writing a swift wrapper around it. I would not have said this if you were creating an iOS app but in case of a framework I still think you should go for objective-c. This is because Objective-c has been around for over 30 years and most of the very old apps are in objective-c. If you want your framework to easily be used by older apps coded in objective-c I recommend you go with it. I have read tons of posts on how people have problems trying to use frameworks written in swift in their objective-c apps. Swift will be the first and probably only choice in the near future but not just yet. On the plus side if you still haven't you will have learnt Objective-C which will give definitely give you a better understanding on how things work. It will be challenging but I promise you it will be worth your while .I have a good read on this which you can checkout yourself. https://academy.realm.io/posts/altconf-conrad-kramer-writing-iOS-sdk/
Naming Conventions
This is a pretty straight forward one. I suggest you stick to apples naming conventions. This is because you will be sharing your code this time and people will look for familiarity when trying to integrate your framework. This will make your code easier to understand. You can check out these two links for more info.https://github.com/raywenderlich/objective-c-style-guide (obj-c) https://github.com/raywenderlich/swift-style-guide (swift)
Access Control
This in my opinion is an important one. When working on you framework think before you implement a class or a function. Consider if you would like someone else to be able to use that part of your code. You may want to limit the user while they use your framework and correct access control is the way to do it. You can easily guide the users so the users do exactly what you want them to do with your framework.
Document Your Code
This is a must if you want your framework be a professional one. You should be documenting every function and variable the user will use. Documenting and explaining what your code does makes a lot of peoples lives easy. You don't one anyone trying to understand what your code does for half an hour while you could have easily written a small explanation for what the parameters do and one that function or variable should be used for.
Test Your Code
Last but not least do write tests for your code. This does take some time but it assures you that your code works the way it should.
Look at other good frameworks
You should definitely checkout other open source libraries and look at what they have done. Usually there is no point in reinventing the wheel unless you are doing something absolutely different but even then there are very familiar ways to do things. I can suggest you check out the mantle sdk(https://github.com/Mantle/Mantle). Another one is the very popular Alamofire sdk(https://github.com/Alamofire/Alamofire) and also the Realm sdk(https://github.com/realm/realm-cocoa). These are good examples of frameworks. Take a look at them. Look how they have done things. It will give you an insight on how your framework should look like.
I know all of these points may also be valid if you were writing an app but what makes these a must is the fact that you will be sharing your code with others. You may manage by not doing some of these while implementing an app but for a framework things do change a little bit. It is always a pleasure to work with easy to use frameworks which make coding a pleasure. These types of small things will make your framework preferable. Happy coding.
I have created an iOS mobile application. Is there a way to generate a UML class diagram for the Swift programming language?
I have tried Omni Graffle, but it keeps saying that the project doesn't contain Objective-C interfaces. And Omni Graffle only does this for Objective-C.
I remember looking at this question a while ago and was disappointed that there wasn't any tool like this so I created one myself with the help of a colleague. It's free, it's open source, it's looking for contributors...
https://github.com/yoshimkd/swift-auto-diagram
And here's a tutorial on how to use it (don't worry it's very simple):
https://martinmitrevski.com/2016/10/12/swift-class-diagrams-and-more/
Happy diagraming :)
The answer unfortunately is: you can't do it. At least not automatically. Swift as compiler itself has enough flaws left. Leave alone some tool will be able to swallow any Swift code. Your only alternative is the good old manual way.
I know that Enterprise Architect has a possibility to define a language syntax based on BNF. But Swift is (again unfortunately) not context free. (In fact it's so context sensitive that it often swallows its own rear.) So that won't work either.
P.S.: Now that Swift is open source someone might take the opportunity to tap the compiler's output for the class interfaces. I guess that should not be too difficult, but it's a lot of work still.
Inspired by swift-auto-diagram and similar open-source tools I started to work on such utility with the goal to write it in Swift (to make contribution easier by Swift developers) and to integrate it in Xcode and the Swift ecosystem.
Xcode extension: https://github.com/MarcoEidinger/SwiftPlantUML-Xcode-Extension
You are able to generate a class diagram from selected lines of code or from a whole file displayed in Xcode. The class diagram will then be opened in your browser. There you can modify the diagram with PlantUML notation
To generate a class diagram from multiple source files you can use the underlying CLI tool and Swift Package: https://github.com/MarcoEidinger/SwiftPlantUML
There is a size limitation to the visible diagram content (but you can delete content in the browser with PlantUML notation)
Hi, I'm just wondering how you could obfuscate functions in iOS binary?
If you tried to reverse iOS binaries using tools like ida you will see part of the binaries have obfuscated functions like all or partly named sub_xxxxxxxx but the other have human readable functions
Someone said, add those lines to the top of your header without any further explaining:
#define SecurityClass ah7p
#define checkCopyProtection xcyc
What the methods used to secure your App?
Sorry for the dumb question, but I'm new there and I ended up with no answer explained what I need.
There are a couple of ways to obfuscate an iOS binary.
Open Source compiler named llvm-obfuscate (https://github.com/obfuscator-llvm/obfuscator/wiki) It has some nice features to obfuscate during compilation. You are replacing your default compiler with that one.
There are for Windows of course VMWare oder Themdia that can post process but that is not the case.
Besides that I just know one more which is Liasoft antispy. It is a very advanced anti analysis toolkit that allows you to encrypt functions and much more during compilation using mixed Objective-C and C++ code. ( https://www.liasoft.de/en/products/antispy/ )
Not sure if one of these is the right one for you. Except these things you are pretty lost since Objective-C is a compiled language with lots of metadata.
Hope I could help you, this is my first post.
If you only care about obfuscating method names then the easiest way is to write relevant parts of your application in C or C++. For instance, you can rewrite your SecurityClass as a C++ class instead of Objective-C class. This will not make your code reverse-engineering-proof, but it will at least raise the bar a bit. (NOTE: I'm not saying this is the right thing to do from software engineering point of view, though).
If you need to obfuscate code, then you are in a search for a tool that can do this. There are several such tools, both commercial and free. One project for doing exactly this is obfuscator-llvm.
I was doing a quick experiment and I was wondering if I have to use MvxTabsFragmentActivity or is it possible to do this using the standard ActionBar logic? I tried to implement it but if I do something similar to this example I get issues with MvxFragment not being able to be converted to Android.App.Fragment.
I was researching this a little and it may be due to a namespace conflict with the v4 support library. Can anyone shed any light on this?
Is MvxTabsFragmentActivity Android's "old" way of doing tabs?
Is MvxTabsFragmentActivity Android's "old" way of doing tabs?
No - Android's old way of doing tabs is using Activities
MvxFragment not being able to be converted to Android.App.Fragment
MvxFragment is based on the support library's Fragment implementation, allowing use back to Android 2.x
You can read more about this support library at http://developer.android.com/tools/support-library/index.html and there's an intro to the mvx fragment implementation at http://slodge.blogspot.co.uk/2013/06/n26-fragments-n1-days-of-mvvmcross.html
Xamarin's support for the support lib is documented in http://docs.xamarin.com/guides/android/platform_features/fragments/part_4_-_providing_backwards_compatibility_with_the_android_support_package
However, there seems to be some problem with Xamarin supporting the latest version - see
http://forums.xamarin.com/discussion/7018/xamarin-support-for-the-new-july-2013-revision-18-v7-compatibility-library for discussion and possible alternatives - from my reading on that thread, Xamarin's suggestion seems to be to use ActionBarSherlock - although I'd also consider LegacyBar
I see three20 a very powerful lib, spicily because Facebook and Twitter use it. I just want to know if there are any competitors/alternatives for Three20? or even simple.
nimbus seems to be a project that will address some of the issues.
I use Three20 a lot, but I'm always in search of an alternative, because Three20 is not a lightweight framework and because importing only a few features of Three20 is not practical. But I don't know any good alternative. If you only need a few features I prefer to write my own code for it or use another library.
For some features of Three20 I know other libraries that does the same thing. It's always a better way to use small libraries, because of file size and side-effects.
UILabel with styled text: OHAttributedLabel
Load and cache images asynchroniously: ImageLoader
Pull to refresh on a table view: PullToRefresh
In addition to this list you can have a look at TapkuLibrary which adds features like CoverFlow or a CalendarView to your app.
Finally GitHub is always a good resource, when you search libraries for special features.
Check this list of iOS controls.
You'll find over 200 open source custom controls there. I've used some of them (star rating, confirm button), it's lightweight and easy to embed. Check that the license suits your needs before though!
THree20 is one of the few libs but if you look around github you can find plenty of sample ios projects with source code to learn from and adapt to your app.
Three20 provides a lot of useful wrapper to facilitate development. It's biggest advantages and until know nothing could replace it.