IOS

IOS: heap and stack Objects in Object-c are allocated with memory space in heap mode, and the heap memory is released by you, that is, release. 1. stack: the stack is automatically allocated and released by the compiler, storing the parameter

Several animation methods in IOS1. UIView first animation (gradient effect) [UIView animateWithDuration:...] After modifying the constraints of the automatic layout, execute the following code to achieve the animation effect.[UIView

Touch event UITouch application, touch event uitouch Because both UIView and UIViewController are inherited and UIResponder, there is a UITouch event. When a user clicks the screen, a touch event is triggered. With the UITouch event, we can monitor

Delete unused images in ios project using scripts I recently learned a major trick in reading Tang Qiao's "iOS development advanced": using scripts to delete unused images in ios. (there is a small problem in the paper. Refer to the issue on github:

Xmpp organizing notes: import and introduction to the xmppFramework framework, xmppxmppframework To develop an xmpp project, we recommend that you import the framework as soon as the project is created to avoid unnecessary losses caused by some

[IOS Weibo project, [iOS blog ProjectGithub: https://github.com/hellovoidworld/HVWWeiboA. Light gray background of Weibo1. Requirements The background color needs to be set for the Weibo part. Use an image as the background 2. IdeasMethods:

Basic knowledge of IOS development-fragment 8, basic knowledge of ios-Fragment 1: UIImageView is used as the background, but a button or UITextField cannot be placed on the background. Solution: the default value of UserInteractionEnabled in

IOS Development notes-Basic UI (3) button usage (zoom in and out, change location, first and last animation) and learning cases, iosuiThe UIKit framework provides a lot of UI controls, but not all of them are commonly used. Some controls may not be

Objective-c syntax (1), objective-c syntax There is a certain c ++ or java Foundation. Once the oc syntax is passed, it is the same. In my opinion, the difficulty is the oc memory management. Even with the ARC, you also need to learn, because of

In ios development, how does one call Apple's built-in map navigation? I have been working on projects for some time ago. I am hard at work in outsourcing companies. If I work overtime every day, my work is linked to the construction period contract.

Xcode6.1 simulator ios8.1 simulator cannot bring up the virtual keyboard and the virtual keyboard cannot switch Chinese Input solution, xcode6.1ios8.1 1. Solution to the failure to bring up a virtual keyboard Simulator menu Hardware-> Keyboard->

Refresh other UITableView and viewuitableview from a subview or View I was asked a question: how to refresh other uitableviews from a subview or a View. The general syntax may be as follows: TestTVC*testTVC =[[TestTVC alloc] init];[testTVC loadData];

IOS control -- viewWithTag of UIView :( int) findTag method description, viewwithtagfindtag UIView has a viewWithTag :( int) findTag method. The call method is [MyView viewWithTag: integer]. This method returns the tag = findTag control. The ios

The map used in ios8. In the past, ios8 was difficult to locate system maps, To use map location for ios8, you need to set Step 1: Add two fields to the info. plist table. NSLocationAlwaysUsageDescription VcD4KPHA + signature + CjxwPiA8L3A +

Custom navigation bar in the parent and child Controllers When talking about the custom navigation bar, you first think of writing a custom navigation controller and then setting the topic of your own navigation controller. Then fill in the class of

IOS Development notes-singleton Mode I transferred from java to IOS and developed it. I learned some of the skills used in the project by myself in concert with the actual project. The APP is relatively small, and the knowledge involved is

IOS: OpenURL method of the UIApplication class 1. Call the app store Interface In actual development, we often recommend other applications and recommend our own paid software, so we need to directly connect to the corresponding page of the app

IOS: [NSString hash] the same hash value problem occurs. Cause: At least there are special circumstances for which this unreliability kicks in. Comparing [a hash] and [B hash] of two different NSString is safe when: The strings 'length is shorter

Basic ios ui controlsBasic ios ui controls Directory (?) [+] 31 Button control 32 switch control 33 slider control 34 segment control 34 toolbar 35 WebView 3.1 Button control 3.2 Switch Control 3.3 slider Control 3.4 Toolbar 3.5

[IOS Weibo project, [iOS blog ProjectGithub: https://github.com/hellovoidworld/HVWWeiboA. encapsulate network requests1. To avoid code redundancy and excessive coupling caused by multiple use of the AFN framework, You Need To encapsulate network