What is a Swift Bridging Header?

A Swift bridging header is the communication media  with your Objective-C classes from your Swift classes.

Bridging header plays an important role in Swift that allows to run the Swift code along with some codebase written in Objective C. 

1.How to Convert int to NSString in Objective C?
​ Answer:
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int anyNumber = 123;
NSString *anyString = [NSString stringWithFormat:@"%d", anyNumber];

If you search this issue in Google you will get a number of different solutions.I have tried the solution below in a step by step manner and resolved the issue.

1.How to convert  integer to String in Objective C ?
​Answer:
​
NSString *AnyStringValue = @”1000″;
int convertedValue = [AnyStringValue intValue];

Here I have a list of most frequently used other linker flags in iOS mentioned below.
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-ObjC, -all_load, -force_load

1. What is the use of -ObjC linker flag ?
2.What is the use of -all_load ?
3. What is the use of -force_load ?

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You cannot just return something in Objective C  to Unity expect it to appear in Unity / C#. 
It's basically a two way communication.If you look at the asset store you can get several plugins to achieve this functionality.

In order to exchange message between Objective C and Unity,we need to follow the steps below.

What is Unity 3D ?
​Answer:
It is a  multiplatform game engine which gives outof-box functionality to developing best 2d and 3D  games as well as non-game interactive simulations and visualizations.

Apple introduced a grand addition in September 2017 event known as iPhone X or iPhone 10.
​
Let's highlight some some ultimate features.

 If you are planning to upgrading your phone, you are likely to be curious to know  how the new model will suit you best.

if we run a device with iOS version (10.3), which may not be supported by the version of Xcode(8.2.1).It shows an alert with warning "Could not find Developer Disk Image".

It clearly indicates that you must have to update your Xcode (8.2.1) to Xcode(8.3).It's really hectic way to download such a heavy file within a short period of time and meet your project deadline. 

Remote notification or push notifications play a vital role in mobile apps to inform users about some new content or updates.

They are used to promote your mobile apps and to increase user retention .

Here is the big challenge for the developers to grant a requested permission from the app user, should the user allow or disallow notifications.

2017 is the year of billions of smartphone users.Now the major problem with app developers are they are techies and not a marketer. As a developer,it’s very tough to understand your audience’s behaviour and the secrets of App Marketing.
​
You’ve developed a nice app, and now it’s already live in the App Store.The you need to think: How can you make people easy to discover it ?

when we have our NSDate object and we can compare it to another NSDate and get an NSTimeInterval which is the difference in seconds.
​I think we can use  a category to evaluate some results.
In order to compare two dates please follow the below steps:

Local notifications are best way to retain user in your game or app.It gives  alert to users via app that might not be running.
Local notifications can be scheduled at the time when user's app is running in foreground or background.You just need to schedule notification to be triggered at a specific time, It's the system who manages to deliver it at appropriate time.

You must have observed that since iOS 11, the App's "App Icon" asset in the catalog requires a 1024x1024 sized icon to submit your app to the App Store review.
​
If we look into the apple's guideline for metadata of a particular app,1024x1024 icon was mandatory to upload in iTunesConnect app page.
​ 
Can we get that icon from iTunes app page?

Step1:
Pair a wireless device with Xcode (iOS)
First of all, you need to pair your device with Xcode in order to launch your app on a wireless device.
The required configurations for debugging your app on network device are (Xcode 9.0 or later running on macOS 10.12.4 or later, and on the device, requires iOS 11.0 or later, or tvOS 11.0 or later)

Xcode 9 is surprisingly a fast and very much smooth while working  even with the bigger files.

​It also understands your code better than ever, so you can select and edit the structure or even transform the selection directly in the editor.

Let's dive into some best features of Xcode 9 below

In this article I have mentioned some most frequent issues that we face while developing apps using Xcode in iOS platform and the tips -how to fix errors related to Xcode.
I must continue adding some more issues and in future to help the beginners