pch app ios

IOS Time Processing Do not have to do the app to deal with time, about the processing of time, there are many doorways, far from a row of API calls, get the current system time so simple. We need to understand the differences between the various APIs related to time, and then design the corresponding mechanism for different scenarios. The form of time Before we get into the deep discussion, we need to be

iOS applications are typically made up of code and system frameworks that are written by themselves (System frameworks), and the framework provides some basic infrastructure for all apps to run, And you provide your own code to customize the look and behavior of your app. Therefore, understanding iOS infrastructure and how they work can be helpful for writing app

Reference Link: http://stackoverflow.com/a/4080720 When the IOS app runs for the first time, if you use some sensitive features (such as visiting albums, sending tweets, etc.), a prompt box will pop up asking if the user is allowed. Once the user has chosen to allow or not, there seems to be no regrets after the pill, because even if you reload the app, this box

as two of the most popular systems for developers, Android and Apple iOS have been a subject of concern, and the contrast between the two systems, especially the security of secure iOS apps, has been debated for years. The openness of Android makes it universal and risky, and the closeness of Apple iOS makes developers more constrained but also secure, so it has

IOS ice and fire songs-App Hook on a non-jailbreaking mobile phone 0x00 Ice refers to the user State, and fire refers to the kernel state. How to break through the user State sandbox like a refrigerator and finally reach and control the burning kernel like a flame is what will be described in the "Song of iOS ice and fire" series of articles. But before talking

Turn: http://www.jianshu.com/p/16fa56eacb5e PrefaceNumb up, hey! See so many tutorials on the internet, still in my beloved love fart on shelves encountered various J8 problems, the biggest problem is: Xcode certificate what, Provisioning profile what, Debug what, Production and distribution What disorderly 78 bad all confused me, online many tutorials are good old (although the idea is the same, but not enough detail), so I intend to put my this year has shelves of dry goods (, introduction add

[IOS] integrated Flurry mobile app statistics Platform As a benchmark platform in the field of mobile application statistical analysis, Flurry provides comprehensive functions, not only for data statistics and analysis, but also for App Circle advertising and promotion platforms. It can be said that Flurry is currently the most comprehensive mobile application st

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Performance concerns for IOS appsWhile the iphone is getting better, its functionality is becoming more complex, and performance has always been one of the core concerns of mobile development. We say an app performance is good, not simply refers to the feeling of running fast, but should be the application starts quickly, the UI feedback response timely, the list scrolling operation is smooth, the memory us

Guide: This is an article from the IOS developer in Singapore, Kent Nguyen, published at the end of January. This piece of text is widely circulated in the IOS Development circle, which is reflected in more than 150 comments from the original text and is now translated as follows.　　Let's get to the point: how much does it cost to make an iphone app?This is the mo

Although the biggest change in iOS 7 is the user interface, Apple's engineers have added a lot of new features, big and small, and don't know if any of the following have been found? Depending on the app's different computational data flow consumption: In the settings, users can view the data traffic consumed by each app. Users can allow a single app to open a d

Background information One feature of VoIP-type apps is the need to keep running in the background to be able to receive incoming calls at any time. Because of this special mechanism that the system provides to the VoIP process, we are unable to completely kill the VoIP process by killing command directly. For more detailed information on this point, refer to the following Apple Developer Web site Introduction: "Because VoIP apps need to stay running in order to receive incoming calls, the sys

Performance concerns for IOS appsWhile the iphone is getting better, its functionality is becoming more complex, and performance has always been one of the core concerns of mobile development. We say an app performance is good, not simply refers to the feeling of running fast, but should be the application starts quickly, the UI feedback response timely, the list scrolling operation is smooth, the memory us

Original author of Australian 19-year-old--davis Allie----addressWhen the Mid-Autumn Festival, to the outside of the program Ape!Sao years, write an expression on your own. Dou-seal.svg.png First. Introduced With the release of iOS10 , Apple has opened the messages app to developers, and developers can now create their own IMessage appswith various types that can inline iMessage content. Contains a simple emoticon package to a complex in

When the developers have been through the ordeal, the completion of an iOS project, the final step is the application of the beta, deployment. So, in this final shot, where do you need the attention of the developer? What are some of the ways we can better help us with the release deployment of iOS apps?This article focuses on the final stages of iOS

There are a few common ways that you might want to share content across apps on the iOS platform:The first is to realize the sharing of documents and data between apps of different devices through airdrop;The second is to define a URL scheme for each app that accesses an app directly by accessing a URL that specifies a URL scheme;The third is to send data, share

1. What is a crash log and where can I get it ?When an app on an iOS device flashes, the operating system generates a crash report, also known as a crash log, to be on the device.There is a lot of useful information on the crash log, including the circumstances in which the app is being rolled out. Typically, there is full stack trace information for each executi

One, add iconYour app's standard icon on the iphone home screen (icon.png) is a square of 57 pixels *57 pixels, png format, cannot have transparency effect or layer, 72DPI. In addition, you can provide a high-resolution icon in the same format as a 114-pixel *114 pixel ([ Email protected]). This icon will come in handy when the user's device is a retina screen. If you are developing an ipad app, the size of the Home screen icon (icon~ipad.png) should

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service"; ssize_t size_t = Send (Self.sock, SendData, strlen (SendData), 0); NSLog (@ "%zd", size_t); } -(void) recvdata{ //acceptance data, placed in the child thread ssize_t bytesrecv =-1; Char recvdata[32] = ""; while (1) { bytesrecv = recv (self.sock, RecvData, 0); NSLog (@ "%zd%s", bytesrecv,recvdata); if (Bytesrecv = = 0) {break ; }} } All right, I'm going to use the socket for two apps on the local phone. The first time to write a blog, one is to record thei