IOS

Our IOS apps contain a lot of images. Creating attractive views relies heavily on a large number of decorative images, all of which must first be obtained from a remote server. If each open application to get each image from the server again and

Uitextfield is a very common control used in iOS to receive user input and complete application and user interaction. Its primary properties are set as follows: Initialize the TextField and set the position and size uitextfield *text =

First, Uigesturerecognizer simple introduction We have learned to touch event processing, but touch event processing is cumbersome, each touch event processing needs to implement 3 touches methods, more cumbersome, in fact, we can use a more simple

The effect chart is as follows Code implementation and the following analysis of ideas:Code to create a navigation controllerIn APPDELEGATE.M #import "AppDelegate.h" #import "ViewController.h" @interface appdelegate

The Uipickerview control is a more common picker control than the Uidatepicker control, which can be understood as a specially made date-selected control that is processed from the Uipickerview control.The use of Uipickerview controls is a bit more

In GitHub, there are many third-class libraries packaged by Daniel, which have a class library with adaptive cell heights. Download Address: Https://github.com/gsdios/SDAutoLayout Model class Commentsmodel #import "JSONModel.h" #import

Key attributes After you use the IB in Xcode to drag a text box to the view, select the text box to set its various properties in the attribute Inspector. Attribute Inspector is divided into three parts, namely Text Field, Control and View section.

I. Event distribution processing "from outside to Inside" When a touch occurs in iOS, the event is added to the UIApplication event queue, and UIApplication takes the first event out of the event queue for distribution, which is usually distributed

On the basis of the project more mature, encountered such a demand, the application needs to introduce a new font, need to replace all the label's default font, but at the same time, for some special settings of the font label does not need to be

1. Create and initialize @property (nonatomic, strong) Uitextview *textview; Create Self.textview = [[Uitextview alloc] initWithFrame:self.view.frame]; Set TextView inside the font color self.textView.textColor = [Uicolor blackcolor];

Basis@ derives from UIView, so it is a view, or it can be attached to a view.I. Creating Copy Code code as follows: Because the size of the Uiactivityindicatorview is fixed, you can set it directly. Center uiactivityindicatorview*

Single case mode is a common software design pattern. In its core structure, there is only one special class called a single example. A single example mode can guarantee that a class in a system has only one instance and that the instance is easy to

How to format time correctly This is also our two days encountered problems, after several communication with the user, finally caught log, found that the problem is the format caused. How to solve it? The importance of Nslocale at this time is

Looking at the mobile market, a mobile app, to long-term in the mobile market foothold, at least to include the following elements: Practical features, a strong user experience, gorgeous and concise appearance. Behind the gorgeous appearance, the

Today encountered the following figure this problem, the text is too long, the display is not complete. Toss for a long time, online search for half a day can not find a solution. So I asked my colleague, and my colleague mentioned , which was a

Cause of SSZipArchive decompression failure: ssziparchive Decompression The reason why SSZipArchive fails to be decompressed is that, after the path is unzipped, the unzipping will fail again after the path is corrected, and the proxy method will

Two methods to determine whether the iPhone WiFi is enabled are connected to WiFi and iPhone WiFi In iOS, the API used to query the network information of the current connection is CNCopyCurrentNetworkInfo. This API is located in SystemConfiguration.

The Storyboard cannot be opened because it cannot be opened. When you edit a Storyboard in an Xcode version and store it (for example, 8.1) in another version (for example, 8.2.1), you may not be able to open the Storyboard. Therefore, when

IOS development-UI (1) supplement UIWindow UIView UIlabel,-uiuiwindow I forgot to sort it out before. Now I want to add that I should put it in front Knowledge point: 1. Preliminary understanding of UI 2. UIWindow 3. UIView 4. UIlabel   =============

UIImagePickerController of iOS displays the Chinese interface and uiimagepicker Chinese During iOS development, we often encounter the function of obtaining photos and photos in albums, which means that UIImagePickerController is indispensable.