objective-c tag

189 questions

1 answers
103 views
0

NSPredicate with CoreData, which can be retrieved with CONTAINS, but cannot be retrieved in any other way.

I saved CoreData under the entity name Story.The contents are only attributes, and This is the configuration.Use NSPredicate CONTAINS to do thisNSFetchRequest* request = [NSFetchRequest fetchRequestWi...

objective-c coredata

2 years ago

1 answers
44 views
0

Not sure about Expected a type

■ C++ Class Header → Test.h #ifndef TEST_H#define TEST_H# include TestDef.hvoid Test(TEST_STR&test_str);#endif//TEST_H■ C++ Define Header → TestDef.h #ifndef TESTDEF_H#define TESTDEF_Hstruct TEST_...

objective-c

2 years ago

1 answers
71 views
0

View iPhone app ads in cocos2d, c++ and objective-c

cocos2d-x, based on c++I'm studying to create an iPhone game app where leaflet advertisements are displayed at the bottom of the screen for free.Currently, we are using setContentScaleFactor to change...

objective-c c++ iad

2 years ago

1 answers
41 views
0

I don't know how to save it with Core data.

I don't know how to save it with Core Data.The project is an OSX app, which I could use XCode's auto-generated template and use Core Data and bindings to add, delete, and display data in Table View, b...

objective-c xcode macos

2 years ago

2 answers
76 views
0

Tapjoy offer wall ads do not appear

Thank you for your help.I would like to use Tapjoy-SDK (iOS v11.2.0) to display the offer wall advertisement, but I am having a hard time because it doesn't show up at all.*We are developing with coco...

ios objective-c cocos2d-x

2 years ago

1 answers
128 views
0

It may take some time for iBeacon to go from ExitRegion to EnterRegion

Beacon detection is taking a long time.Reproduction instructions are available.①Run self findBeacon; to initiate detection②Turn on the beacon③EnterRegion.CLRegionStateInside. appears.④FindBeacon. Beac...

objective-c ibeacon

2 years ago

1 answers
122 views
0

Questions About UIButton in Xcode

When I tap UIButton, like the check button above in the image below, the image set to UIButto turns black and becomes active, so that I can visually see that it has been pressed.Some of the attributes...

swift xcode objective-c xcode7

2 years ago

1 answers
36 views
0

I would like to continue processing even if I finish the application by pressing the home button twice.

We are developing it with Objective-C in Xcode.I'm creating a simple app that says that when I press the button, the number increases, but when I turn off the app, the number count returns to the init...

ios objective-c xcode

2 years ago

1 answers
39 views
0

Get images and text from URL

Prerequisites/What you want to achieveI would like to get text and images from the URL posted by the user.(It's a function that allows you to preview the url destination when you paste url on the Twit...

swift ruby-on-rails objective-c

2 years ago

1 answers
52 views
0

Want Swift5 and Objective-C to work together

After creating a bridge header, I was able to confirm that the ObjectiveC method works from swift.TestProvider.swiftimport NetworkExtension// @objc (TestProvider)class TestProvider:NEAPPushProvider { ...

swift objective-c swift5

2 years ago

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