IOS

Examples of this article share the way iOS images are magnified, as follows The first way: Frame to change the x value Y value to enlarge the picture, starting from the left to enlarge. The frame changes the width of the control to enlarge the

One, the effect chart. Second, engineering drawings. Three, code. ViewController.h #import #import #import "MapLocation.h" @ Interface Viewcontroller:uiviewcontroller { mkmapview *_mapview; NSString *addressstring; }

Uistepper can continuously increase or decrease a value. The control's appearance is made up of two horizontal buttons, one shown as "+" and one shown as "-".An interesting feature of this control is that when the user presses the "+", "-" button,

Creating Uilabel Objects Copy Code code as follows: uilabel* label = [[Uilabel alloc] initWithFrame:self.view.bounds]; Set display text Copy Code code as follows: Label.text = @ "This is a uilabel Demo,";

The first way to create a uiswitch component is to create it dynamically in your code. 1, open Xcode, new project switch, select Single View application. 2, open the viewcontroller.m file in the Viewdidload method to add code: Copy Code code

In the development of IOS , multithreading is mainly implemented in three kinds of ways, Nsthread, Nsoperation and GCD, in my previous blog to Nsoperation and GCD have a more detailed implementation, in order to learn the integrity, Today, we mainly

Uitextfield is an important control in iOS development for user interaction, often used to do account password boxes, input information boxes and so on. Observation Effect Chart Uitextfield has the following characteristics: 1. The default

Creation of UidatepickerUidatepicker is a control that can be used to select or set a date, but it is a control that is like a runner and is an apple-made control for the calendar, as shown in the following illustration: In addition to the

First let's look at the original Muipicker example --> & lt;/a> picker (selector) Native select item-1 item-2 item-3 item-4 item-5 Native Select (selection box) on different devices, the UI may have differences, and

During the development process, we often use NSLog to track debugging, but the products that are released may not want these debug code to be run. Here's a little tip to share. You can use the following methods when writing code: #ifdef debug

Prior to iOS 7, iOS officials did not provide the ability to hide apps or folders, and if you wanted to do this, you had to jailbreak your iOS device and then install a third party app that was not officially licensed by Apple, and now Apple has

PrefixHeader. pch 'file not found and how to add a pch file in Xcode,   During the development process, if you have access to the old project, the error 'prefixheader. pch' file not found is reported!   Before Xcode6, when creating a project,

Resolve the gesture conflict between the right-sliding returned gesture and UIScrollView. The gesture uiscrollview A page in the project displays two different functions using a horizontal Tab of scrollview, such as message and announcement

IOS fingerprint unlock verification TouchID, iostouchidIOS fingerprint unlocking 1. First, introduce the dependency framework LocalAuthentication. framework #import 2. Then, determine whether the system is iOS8 or above. // Only after iOS8.0 is

IOS multi-size screen adaptation, ios size adaptation PointPoint can be understood as the size unit in the eyes of iOS programmers. It is an abstract concept in the iOS operating system. Rendered Pixels can be understood as the size unit in

IOS and ios Due to the needs of the new project, we need to draw a circular chart. Since we have never touched this kind of project before (I am a cainiao), I found a case in cocochina. I think it is okay to share it. Github address

Channel marketing management system and Marketing Management System Channel marketing management system Consulting Manager Wang 155*212*77766 micro-electricity. As enterprises grow and agents increase, various management problems are inevitable.

Create a table Class View for iOS wbdview dview, ioswbdatagri Create a table in the project and reference the header file # Import "WBDataGridView. h" -(Void) viewDidLoad { [SuperviewDidLoad]; // Do any additional setup after loading the view. Self.

IOS development-UI (8) TableView,-uitableview Knowledge point: 1. Use UITableView 2. UITableView Segmentation 3. UITableViewCell reuse mechanism   ====================================== Use UITableView 1. Role of UITableView 2. Create

IOS development-UI (10) Use UIScrollView and UIPageControl,-uiuiscrollview Knowledge point: 1. Use UIScrollView 2. Use UIPageControl @ Interface RootViewController () ====================================== Use UIScrollView 1. Create UIScrollView 2.