objective-c tag

189 questions


1 answers
108 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...

2 years ago

1 answers
51 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_...

2 years ago

1 answers
78 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...

2 years ago

1 answers
46 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...

2 years ago

2 answers
84 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...

2 years ago

1 answers
138 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...

2 years ago

1 answers
138 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...


1 answers
42 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...

2 years ago

1 answers
46 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...


1 answers
57 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 { ...

2 years ago
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