IOS

I. Overview During iOS development, many Third-party libraries are referenced in the project, and Cocoapods (https://github.com/CocoaPods/CocoaPods) can be used to facilitate the unified management of these third-party libraries (from one pit to

and accessories for communication On the iphone OS 3.0 and beyond, the External accessory Framework (Externalaccessory.framework) provides a plumbing mechanism that allows applications to be used with the iphone or ipod Touch the accessories of the

When a camera observes a picture of a rectangle, it often only gets a distorted picture: Original: The reality is that cameras often look at pictures from a point of view: Use the OPENCV perspective transformation to correct the picture to the

Nsarray and Nsmutablearray (immutable groups and variable arrays) are two arrays in OC, and in development, you often encounter the need to empty the array, and most people subconsciously think of nil this method. Even if array = nil, which not only

Publish an application todayProgramThe new version has passed the verification, but an error occurred while publishing the upload. The error message is: An error occurred uploading to the iTunes store. I used to release a good version. Why is

Core data is a way to store persistent data in IOS programming. In the previous tutorial-to read and write application settings data, we have provided three methods to store APP data: (1) User default settings-in this case, user intervention is

Reprinted please indicate the source: http://www.cnblogs.com/chenshengtai/archive/2013/04/29/ios_devices_filter.html Problem: I recently saw a problem with setting up supported iOS devices on Weibo. The problem is that some apps use a large

Article 1: Happy New Year! Thanks to my colleagues who have been paying attention to my blog. With your support, I have the motivation to become better and better! I haven't written a blog for a while, because I was very busy a while ago and had no

The original iPhone, iPhone 3G, and iPod Touch of the first and second generations only support armv6 CPU instruction sets. However, with the iPhone 3gsWith the release of this new product, Apple began to support the new instruction set armv7. All

There will inevitably be conflicts in the process of saving the iCloud documents. We must have a set of conflict resolution policies. Policy adoption depends on user needs. Some of them are simple and complicated. The simplest is to directly use the

Objective-c syntax (3): objective-c syntax Anonymous objects in oc Oc is rarely used here, because it is not suitable for the memory management of oc, but may appear in the interview test, which requires understanding. Do not write it like this in

IOS learning notes-iOS advanced controls and ios learning notes controlsUITableView There are two types of UITableView styles, one is Grouped (left) and the other is Plain (right). For example, its attribute is style and its type is UITableViewStyle,

Analysis of reference counting memory management mechanism in iOS and ios Memory Management In iOS, reference counting is the memory management method. Although the iOS5 version already supports the automatic reference counting management mode,

Voice sharing app ios source code and voice ios source code The source code is the source code of the speech sharing application. In this demo, Tencent voice recognition is used as the input method for shared content. You can also enter shared

UnderstandingObjective-CThe features and features are described in this article. Currently, only AppleObjective-CAs a supported language. Let's just look at the details. The differences with C ++ are: All classes in Objective-C must inherit from

Figure: Apple started pushing iOS 5.1 In the early morning of June March 8, Apple launched a new-generation iPad in San Francisco, USA. At the same time, cook announced the release of iOS 5.1 today, increasing siri's support for Japanese, chinese

Challenges to the navigation system Shows the common navigation of iPhone Native apps: At the bottom of the mobile phone screen: tabs A, B, C, and D form the global navigation of the Native App, which we often see. Mobile phone screen top: There

  The last time we saw the iPhone's entry function main, how does it start and initialize the Application? These are all implemented through UIApplicationMain. The flowchart of its startup is roughly shown in:   1 int retVal = UIApplicationMain

[Lab environment] Cisco Packet Tracer 5.3.2 [PURPOSE] Simulate IOS damage on a Cisco device and practice how to fix IOS in ROM Monitor mode [Experiment topology] Lab procedure] 1. Connect the device according to the topology: Cisco devices do not

The implementation of Cisco ios dhcp Server is reflected in many large networks. So today, let's take a look at this part in detail. Nowadays, large networks usually use layer-2 switches for Mbit/s or Gbit/s to switch to the desktop), and divide