UI Dynamics is a new component of Uikit, which provides physics-related features and animations to the views in iOS. Allows you to introduce force and physical properties into the view, allowing your view to bounce, dance, be affected by gravity,
Optional Chain (Optional Chaining)We all know what "can be chosen" is. So what are the optional chains, for example, to explain:struct myname{var name}struct MyInfo {var myname:myname? = MyName ()}Class MyClass {var structinstance:myinfo?= MyInfo ()}
There is a big difference between ranges in swift and Objective-c in Nsrange, and I find it takes more time than I thought to deal with ranges related issues in Swift. However, now look back and find that the use of ranges in Swift is reasonable,
String is the newly added type in swift, and it can be easily converted to each other with the original nsstring. But in the actual development, how should we choose?1, the string type can be used as much as possible for the following reasons:(1)
In addition to the use of uilocalnotification to enable the push of local messages (you can set the push content, push time, beep), you can also set the number of reminders in the top right corner of the application.The following shows how to set
We invite you to study togetherSwift, Apple New Launch of the a new script-based programming language. Swift has a Python-like ease of use and a strong operational efficiency. It can be said that its birth is a miracle in the Internet field. It
1, Technical introduction(1) The Avfoundation.framework framework provides the Avaudiorecorder class. It can realize the recording function.(2) while using the Avaudioplayer class of the frame, the sound playback can be realized.2, make a recorder
The 1,cabasicanimation class has only three properties: fromvalue: Start value tovalue: End value Duration: The time of the animation 2. Set different animation effects by Animationwithkeypath key-value
The following is a demo of the collapse spread effect of cell cell. When you click a cell, the cell expands to show some details. Clicking on another cell will turn off the original and animate.The effect is as follows:The code is as follows:
Like the Address Book in iOS, by clicking the alphabetical index to the right of the Contact table, we can quickly navigate to the group of contacts that are headed with that letter.to implement the index, we only need two steps:(1) Implementing an
So, that's where Swift lives, after you ' ve installed XCode 6 Beta:/applications/xcode6-beta.app/contents/developer/too Lchains/xcodedefault.xctoolchain/usr/bin/swift Also, there's a directory named Swift which has various libraries:/appli
The end of the list cell can add various styles of attachments, such as exclamation marks, triangular arrows, and so on. and click on the content area and click on the attachment of the two response events are different, so that we can achieve
Below, you will create a swift project and then introduce 3 libraries:
Snappy simplifying the library of AutoLayout code
Alamofire HTTP network library, written by afnetworking authors
Sdwebimage picture loading, OBJC project, via
With the class's computed property set and get, we can protect the addition and subtraction of the index. Here is a sample, the index initial value is 0, the valid range is 0~2. Whether it is index++ or index--, the index is always able to iterate
1,swift continues to use Object-c's original set of threads, including three multithreaded programming techniques:(1) Nsthread(2) Cocoa nsoperation (Nsoperation and Nsoperationqueue)(3) Grand Central Dispath (GCD)2, this article emphatically
1 Appdelegate.swiftappdelegate.swift//qqdemo////Created by Carrie on 14-6-21.//Copyright (c) 2014 Carrie. All rights Reserved.//import Uikit@uiapplicationmainclass Appdelegate:uiresponder, uiapplicationdelegate {
Here is an example of an asynchronous request to load a picture data
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//定义NSURLlet imgURL:NSURL=NSURL(string:"http://hangge.com/blog/images/logo.png")!//定义NSURLRequestlet
We usually inherit skspritenode to implement the elements in the game, in addition to using the image as a textured skin. We can also use animated texture sets for animation playback. The animation texture set is also very simple to make, first of
1, problem descriptionSometimes we need to initially set the "Confirm" button to be unavailable when we develop, and then make the input button available after entering text in the text box.2, the principle of implementation(1) To detect changes in
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