Questions tagged as 'objective-c'

Tagged questions
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Motion sensor

How do I identify the rotation of the iPhone on its own axis (same rotation as a top)? I was able to identify practically all possible rotations and could not identify this, which is precisely what I need for a game I'm developing. The iPhone wi...
asked by 04.03.2015 / 15:17
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How to maintain a real-time synchronization?

I'm working on an app and I already have the database handling done. But a question arose as to how I can create a real-time synchronization system from the app's local bank to the remote server's database. If anyone knows how to explain or h...
asked by 07.02.2015 / 20:26
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Do not insert repeated annotations on the map

I'm inserting some annotations that are coming from a JSON server, but I wanted to check if annotation is already on the map, if so, do not add it again . For they are being added one over the other. Can someone help me solve this problem?...
asked by 08.04.2015 / 05:22
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Best practice of data persistence

When it comes to persisting data with Core Data . What is the best way to persist the data? For example:    I have an object Pessoa (subclass of NSObject ). And at the time of   persistence I "convert" PessoaMO (s...
asked by 20.11.2014 / 17:54
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Splash screen no ios

What's the easiest way to do a Splash Screen on ios? I always see different tutorials, and I can not. I just want to load an image for 3 seconds before entering my application     
asked by 27.09.2014 / 23:06
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How to group Markers in Google Maps API iOS?

How can I group the markers of an area when the user zooms out the map to reduce the visual pollution of marker's on the map and show only a marker with a number inside to indicate the number of points in that region? p>     
asked by 15.02.2015 / 02:24
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Outlets in Xcode 6 (Universal Application)

I have a problem / doubts. Until today due to some needs I have developed only for iPhone or iPad separately, however today I am starting in the development of universal application, iPhone and iPad. I'm using Xcode 6 and developing directly...
asked by 03.02.2015 / 02:28
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XCode - array position value is not displayed

I have an array with 30 positions and in each position of the array I have several objects type: NumProcess, Name, Age, Sex, DateNation. I would like to display all these objects from each position in a single line using NSLog , but I do not...
asked by 16.06.2014 / 17:17
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Home screen on storyboard

I'm using Xcode to develop an app. In it I use storyboard for the screens. Suppose the screen structure is as follows: I have 5 sequential screens, which one takes to the next one, until it reaches the fifth (last) screen. My home s...
asked by 03.12.2015 / 14:25
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IOS - How to create a custom TableView cell?

I want to make a custom cell for my TableView. But she's presenting problems that I can not solve. It worked normally when I did with the default cell, but when I did custom it gave problem I was using this explanation to help: link I ma...
asked by 11.02.2016 / 18:40