IOS

First, functional requirements In the first page there is a button and a label,label on the default display "haha", click the button to enter the second page. On the second page there is a Uitextfield and a button2, click Button2 to go back to the

This article is an example of how the iOS last date distance from the current calculation code for your reference, the details are as follows /** * Calculate Last Date distance now * * @param lasttime Last date (required and format) * @param

Objective In the app's hybrid model development, Android development has WebView as a hybrid model development bridge, of course, in iOS also has a UIWebView component as a hybrid model development of the bridge, using the UIWebView components of

With Nstimer implementation countdown function, nonsense not much said, directly on the code, detailed explanation please refer to comments [Nstimer scheduledtimerwithtimeinterval:1.0 target:self selector: @selector (timerfiremethod:)

Final Effect Diagram: Moreviewcontroller.m MOREVIEWCONTROLLER.M//20_ handsome no Weibo////Created by Beyond on 14-8-4. Copyright (c) 2014 Com.beyond. All rights reserved. #import "MoreViewController.h" @interface Moreviewcontroller ()

Final Effect Diagram: Beyondviewcontroller.m BEYONDVIEWCONTROLLER.M//20_ handsome no Weibo////Created by Beyond on 14-8-3. Copyright (c) 2014 Com.beyond. All rights reserved. This is the main controller, divided into two, the following is

Common methods of 1,http Get gets the specified resource POST 2M submits data to the specified resource for processing requests, and is used in the restful style for the new resource head to get the specified resource header informationPut replace

The most depressing thing about iOS development is that the program crashes without warning, using the BT command to play the call stack, giving a bunch of system exc_bad_access information, and there's no way to locate the problem. First of all,

If you want to count the iOS development code, including the header file, CD to the project directory, the commands are as follows ① list the number of rows per file Copy Code code as follows: Find. -name "*.M"-or-name "*.h"-or-name

iOS has the following three kinds of random number method: The first type of Srand ((unsigned) time (0));//Do not add the random number that each generation is invariant int i = rand ()% 5; The second type of srandom (time (0)); int i = random (

I. Multiple requests for the same URLSometimes, the same URL is requested many times, the returned data may be the same, such as a picture on the server, no matter how many times the download, the returned data are the same. The above situation will

One, simple explanation 1.CLLocationManagerCommon operations and properties for CllocationmanagerStart user positioning-(void) startupdatinglocation;Stop user positioning-(void) stopupdatinglocation;Note: When the Startupdatinglocation method is

Method swizzling Principle Calling a method in Objective-c is actually sending a message to an object, and the only way to find the message is by selector's name. By using the dynamic characteristics of objective-c, we can realize the corresponding

Here to introduce the next two-dimensional code introduction The two-dimensional code (2-dimensional bar code) is a Black-and-white graphic recording data symbol information which is distributed in a plane (two-dimensional direction) by a certain

Download Demo Link: https://github.com/MinLee6/buttonShow.git There are two ways to display controls on a screen, one that varies according to the content, and one that varies according to the screen width. I will present the following two ways,

IOS JSON turn plist Read JSON data from the Xx.json file and write to the Xx.plist file with the following implementation code: NSString *path = @ "/users/android_ls/desktop/city_province.json"; Nsarray *array = [nsjsonserialization

IOS Click Push message skip to application specified page Now the push is more and more frequent, almost every application is beginning to use. In fact, how many users will go to see the push message? No way, product manager biggest Ah, just bitter

Now the push is more and more frequent, almost every application is beginning to use. In fact, how many users will go to see the push message? No way, product manager biggest Ah, just bitter we this a bunch of programmers ah! Gossip less and get to

The blog has been applying for some time and it feels like it should write something up. This article is mainly about the simple usage of some xib, hoping to help the novice who just used xib. What is Xib? What can xib do? A file used to describe

This example for you to share a simple package of iOS dropdown menu code for your reference, the specific content as follows //OrderListDownMenu.h #import @protocol orderlistdownmenudelegate -(void) Orderlistdownmenu: