IOS

iOS function tertiary encapsulation and block function In iOS, two times, three encapsulation of commonly used modules or public modules, two encapsulation of known APIs to make it easier to use in your project. Here is an example: +

-(void) test1 { Nsmutablearray *_array = [[Nsmutablearray alloc] initwithobjects:@ "B1000", @ "AB100", @ "AA108", @ "009", @ "10000", @ "30000", nil]; _array = [[Nsmutablearray alloc] Initwitharray:[_array

Navigation view is similar to Viewpager in Android The navigation bar is related to Navigationitem, the controller is related to Navigationcontroller 0: First, or through the pure code to achieve 0: Delete 3 files

Today I met a very strange problem, integrated cloud chat, to get the number of unread group, I wrote a notice to update the number of messages in the TableView cell, but the number of messages changed very slowly, and sometimes not update I was

[CPP]View Plain copy @interface NSObject (nsdelayedperforming)-(void) Performselector: (SEL) Aselector withobject: (ID) anarg   Ument Afterdelay: (nstimeinterval) Delay inmodes: (Nsarray *) modes;   -(void) Performselector: (SEL) Aselector

First type: NSString * timestampstring = @ "1423189125874";NSDate *date = [nsdate datewithtimeintervalsince1970:[timestampstring Doublevalue]/1000];NSLog (@ "%f", ([Date timeIntervalSince1970] * 1000.0)); The second type: NSString * timestampstring

Reference article: http://www.2cto.com/kf/201301/186676.html NSString * Headerdata = model.content;Headerdata = [Headerdata stringbytrimmingcharactersinset:[nscharacterset Whitespaceandnewlinecharacterset]]; Get rid of the blank and newline

IOS Learning -- the difference between UITableViewCell and iosuitableviewcell UITableView is used in the development process today. When setting the cell, I found that there are two ways to set the reuse of UITableViewCell, at the beginning, I was

For ios, I usually have some questions during my own interview. For details, I have some questions about ios. Record the interview questions you have seen at ordinary times, and add the questions you will encounter later. IWhat is the essence of

Objective-C Data Encapsulation, All Objective-C programs are composed of the following two fundamental elements: Program statements (code): This is the part of a program that performs actions and they are called methods. Program data: The data is

Dynamically create Plist files and dynamically create plist filesIntroduction Property List, an attribute List file, which is used to store serialized objects. The property list file extension is. PlistTherefore, it is usually called a plist file.

Objective-C Log Handling,NSLog method In order to print logs, we use the NSLog method in Objective-C programming language which we have used right from the Hello World example. Let us look at a simple code that wocould print the words "Hello World ":

Block application description, block Application I. Block Definition Block can be understood as a function pointer (that is, a pointer pointing to a function)ReturnType (^ blockName) (parameter list) = ^ (parameter list) {code block

IOS: Time Related (more), ios18-01-24 Sort out time-related programs and then write them into a singleton if you are free.   1. Calendar (NSCalendar) 2. Time Format () 3. Timestamp     1. Calendar (NSCalendar) 1. To obtain information such

Ios encapsulates UITableView for details, iosuitableviewReason I have been working on ios for a while, and UItableView is frequently used. In this process, I have repeatedly created and added it to the proxy, Which is troublesome and also makes the

IOS uses scripts to automatically copy target and iostarget After some projects are mature, automatic configuration is required to generate a brand new project. Developers do not need to manually modify the project file and hand over the

[Code Note] iOS-JQIndicatorViewDemo, I ,.   2. Engineering Drawing. 3. Code. # Import "ViewController. h "# import" JQIndicatorView. h "@ interface ViewController () @ end @ implementation ViewController-(void) viewDidLoad {[super

IOS-UINavigationBar [color settings], ios-uinavigationbar Some color settings of UINavigationBar. I used to forget this time. -(Void) setNavigationBar {// NavigationBar backgroundcolor [background color] [UINavigationBar appearance]

IOS-PYSearch perfect search page, ios-pysearch search APP search pages are basically indispensable, such as popular searches and search records. Here we recommend PYSearch, written by ko1o, which has a good open-source Image Browsing:

City selector, Effect   Source code Https://github.com/YouXianMing/Animations /// CustomCityPickerViewController. m // Animations /// Created by YouXianMing on. // Copyright 2017 YouXianMing. all rights reserved. // # import