IOS: learning notes, Swift namespace, iosswift

IOS: learning notes, Swift namespace, iosswift

In Swift, namespace is implemented using class (extension) nesting. The following is a simple example.

//// Main. swift // SwiftNameSpace /// Created by yao_yu on 14-8-1. // Copyright (c) 2014 yao_yu. all rights reserved. /// Swift namespace use the instance // import Foundation // defines the top-level namespace class YY {}// defines the second-level namespace Testextension YY {class Test in the YY namespace {}}// define the point class extension YY in the second-layer namespace. test {class Point2d {var x: Double = 0 var y: Double = 0 init (_ x: Double, _ y: Double) {self. x = x self. y = y }}func main () {// use point var pt = YY. test. point2d (123,333) println ("Point coordinate is (\ (pt. x), \ (pt. y) ") // The result is the coordinate (123.0, 333.0)} main ()

Where are ios study notes? Is it suitable for self-developed ios?

If you do not need to enter the training institution, you can learn it. If you do not need to pay the money, you must learn it. However, it depends on whether you have the self-control ability.
IOS applications are 1.4 times more than Android, while system developers are 0.38 times more than Android. This shows that the talent gap in the iOS industry is quite large. Because of this, the market is extremely pressing for Objective-C and C ++ developers, making the two occupations quite positive in employment trends, finally, it pushed the iOS industry to stride into the sunrise industry. In the current market environment that is in short supply, the increase in iOS talent salary is much higher than that of Android.

The next 10 years will be the mobile Internet era. This conclusion has become a consensus in the industry.
1: deploying iOS applications is a required strategic choice for enterprises.
2: the involvement of large enterprises will aggravate the shortage of iOS Talents
3: Code workers are rejected in the iOS field. The so-called experts are not only proficient in technology, but also understand users, the market, and design. The iOS field is dominated by compound and innovative talents.
 
Now I am getting started with IOS development using OC or SWIFT?

If you just take the shuttle bus, learn swift efficiency. If you want to go deeper, I personally think you still need to learn OC first. Otherwise, even if iOS8 is officially released, many third-party libraries are still written in OC and are not followed up, you need to understand and operate at this time. Although OC now seems that the learning cost is not commensurate with the ultimate goal.