I just started with the swift language and coming from java it looks great so far.
But I'm really missing something:
Eclipse had this great feature that when I added "implements XYZ" it provided me a function to automatically implement the necessary function stubs. This is a huge timesaver.
Xcode doesn't seem to have this feature, or am I missing something?
I found the accessorize plugin, but this seems only to work with Objective C..
Is there a solution?
PS. I'm using Xcode 6.1.1
NB: This answer is true for Xcode before version 9; in Version 9 Apple added the ability to automatically fix up missing protocol methods; see Guy Daher's answer.
I just created an iOS project, and headed into my UIViewController.swift file. There I declared that it implemented UITableViewDelegate:
class ViewController: UIViewController, UITableViewDelegate {
Now when I go into the body of the class, and start typing "tab...", I see the appropriate autocompletions:
Hitting Enter then inserts the function stub, with the cursor placed ready to code.
That's just the way Xcode autocompletes protocols (or inherited class methods.) If you want to do all of them at once, I don't think it's possible, sadly. But you can always Cmd-click or Option-Cmd-click (which uses a secondary editor window) on the protocol name to jump to its definition, which is basically a list of all its methods you can copy and paste into your code. You'd need to tidy up a little from there, but not much.
Xcode 9
Xcode 9 now supports conforming to protocol methods via a "fix it". It will automatically fill the missing methods for you. This was announced in WWDC 2017.
Update: This doesn't seem to work for protocols defined by you, unfortunately.
Xcode 9, takes care of implementation of mandatory methods of Swift Datasource & Delegates.
Look at these snapshots, with example of UICollectionViewDataSource:
Indicating warning to implement protocol methods:
By clicking on 'Fix' button, it has added all mandatory methods:
Alternate Option:
You can use a keyboard short key: Ctrl + Option + Command + F to fix all issues at once.
Related
I have an Objective-C project whose .ipa was tested with this tool online: https://www.immuniweb.com/mobile
It reports that my app has a high risk security issue, pointing to the canAuthenticateAgainstProtectionSpace in the NSURLConnectionDelegate protocol.
This method has been deprecated by iOS after 8.0 version. My app is not using it directly anywhere and I suppose this is not used by apple also even indirectly, since it is deprecated.
I tried a sample ipa (new project with nothing in it) with Objective-C project and the same issue came for that as well. But it did not come for a sample ipa which supported Swift. Even if this is just a warning, is there a way to fix other than just supporting Swift language only?
The tool has detected that the .h file that defines the NSURLConnectionDelegate protocol declares the canAuthenticateAgainstProtectionSpace function. This is, of course, to be expected.
It would make more sense for the tool to report implementations of the method, not simply declarations of it
Since you haven’t implemented this method you don’t need to worry about flaws in your implementation.
As for getting rid of the issue...Don’t use the tool? It doesn’t seem very good based on this.
Is there an option to tell it not to scan .h files?
TBH it seems like a bug in the tool if not any of your Libraries or Frameworks internally uses that.
In your test for the sample Objective C project it's reported as bug however for a sample swift project it's not reported Hence I guess it's more of bug from the tool side.
I would suggest you to report this issue to them.Hopefully they will get you back with some suggestions.
or
you can try some other pen-testing tools as well.
I am not very familiar with Xcode,
Since I think every decent IDE should have a shortcut for auto-fix a template of implemented protocol (such as interface in java) to save some effects of the programmers to just fill in the logic and don't have to type in the method name and parameter stuff.
Such as when we meet this:
And I googled around and some guy said that there should be a fix all in scope thing in the Editor, but seems I can't make that clickable :-(
So, how to do this with xcode? Thanks.
Unfortunately Xcode is fairly behind compared to other IDE's in features for refactoring and such.
The main Xcode version: 8.x, can't do what you wish for. But some of it will be/is available in beta Xcode 9
Xcode may suggest a fix for a compiler error. You can click the errors individually to see the suggested fix(es) and select one.
Alternatively the 'Fix All In Scope' allows you to tell Xcode to select suggested fixes of the current file.
This seems like a basic request, but I can't find the answer to it anywhere. I want to wrap some existing iOS code that I wrote, in a Appcelerator module. That's it. Important points:
I am NOT wrapping a pre-existing 3rd party iOS SDK.
I wrote the iOS code being wrapped.
Code is verified as working within xcode.
There are no .a files. There are 2x .h files and 2x .m files though.
There are no UI elements in the iOS code as it is only designed to connect the native bluetooth hardware to the app.
I have created a generic appcelerator iOS module project, built it, and successfully called the generic ID function within my app.
I cannot figure out how to successfully edit the generic module so that it utilizes my code. Every attempt results in it refusing to compile, and it's maddening.
I do not have access to Hyperloop.
Once I can successfully build the wrapped module, I would call an initialization function which triggers a native bluetooth hardware search. Once connected, there are functions within the module to send commands to the hardware and receive data back. This is the official documentation I've followed so far:
http://docs.appcelerator.com/platform/latest/#!/guide/iOS_Module_Quick_Start
That helped me build the blank module, include it in the app, and ensure that it worked by calling the built in test property. From there it stops short of actually telling me what I need to know. These are the closest things I've found so far, while still not being what I need:
http://docs.appcelerator.com/platform/latest/#!/guide/iOS_Module_Project-section-43288810_iOSModuleProject-AddaThird-PartyFramework
appcelerator module for existing ios project sdk
Heck, I still don't even know if I can do this within studio or if I have to edit the generic module in Xcode. Help! :) Many thanks in advance.
so first of all, this is not best practice and will cause possible problems in the future when the SDK changes and your module still relies on outdated core API's.
Regarding your question, you could either create a new component that subclasses the existing class, e.g.
class TiMyModuleListViewProxy : TiUiListViewProxy {
}
and call it with
var myList = MyModule.createListView();
or you write a category to extend the existing API with your own logic, e.g.
#interface TiUIListViewProxy (MyListView)
- (void)setSomethingElse:(id)value;
#end
#implementation TiUIListViewProxy (MyListView)
- (void)setSomethingElse:(id)value
{
// Set the value of "somethingElse" now
}
#end
I would prefer the second option since it matches a better Objective-C code-style, but please still be aware of the possible core-changes that might effect your implementation in the feature. Thanks!
In XCode 7.2.1, when working in swift code, I can command tap a function and it will bring me directly to the swift source code where that func is declared.
However, if I tap the same function from objective-c code, it brings you to the Swift.h Generated header file - not a very useful place.
Is there a way to go more directly to a function to the swift code using a key + tap combination? Currently, I have to command + space and type in the class name/function and choose it from Open Quickly, which is not ideal.
No, there isn't. The problem seems to be that Objective-C can't "see" Swift at all; all it sees is, as you rightly say, the generated "...-Swift.h" bridging header. This would make an excellent enhancement request at http://bugreport.apple.com (though whether anything can actually be done is anybody's guess).
First of all it's not the duplicate of this question because i couldn't find any discussion about offline documentation, suitable answers and about future release of updates in Xcode there.
Actually I am from android and java background and currently starting to develop iOS apps too. As we all know we use to implement all methods of an Interface easily with the help of suggestions given in IDE by pressing Alt + Enter.
And here in the iOS we have to see the reference each time and search for all required & optional methods, and implement them manually one by one which consumes times It's fine for a moment But
My Questions are :
Is there Any easiest way to view all required method at first lookup in documentation OR implement all required methods of protocol with the help of IDE ?
Is it possible that we will get this feature in future release of Xcode's update ?
I can't be ensure availability of Internet all the time, And How can I see the documentation at that time ?
Just go ahead and declare that your class adopts the protocol in question.
Xcode will point the error if you fail to implement any of the required methods:
From the list under the disclosure triangle (items with gray "!" icons), you can get a hint of the names of the missing methods. You can start to type and autocomplete will do the rest.
Update for Xcode 9:
It looks like now, you can auto-fill the methods with one click:
Refactoring
Rename a symbol in a single file or in a project across Swift, C, Objective-C, C++ files, and Interface Builder files.
View all the possible changes in one editor pane.
Convert method signatures between Swift and Objective-C formats.
Update properties, getters, setters, and synthesized iVars as needed.
Apply a fix-it everywhere with one button.
Automatically fill in missing cases in switch statements, and mandatory methods for protocol conformance with one click.
Extract method functionality for all supported languages, along with other language-specific local refactoring.
(emphasis mine)
And indeed:
Clicking "Fix" adds the necessary method stubs.
Go to Xcode -> preferences(on top-left corner) -> downloads -> here you will see list of items that can be downloaded. Download the documentation for iOS x.x version. So now, whenever you are offline.. you can go to help(top bar in window) -> documentation and search for whole ios documentation.. all the development guides etc