IOS

Use of FMDB in iOS development and FMDB in iOS development 1. In daily development, we need to use the offline cache to store data information to the database and load data when there is no network. In IOS, we use the sqlite3 database, we can also

[Code notes] the background color is displayed randomly, and the code notes are displayed randomly. I ,. 2. Engineering Drawing. 3. Code. RootViewController. h RootViewController. m -(Void) viewDidLoad {[super viewDidLoad]; // Do any

[Code Note] 3DES + Base64 encryption and decryption, 3desbase64 1. project directory. Ii. Code. RootViewController. m # Import "RootViewController. h "# import" NSString + TripleDES. h "# import" handler "@ interface RootViewController () @ end @

IOS: swift gets the name of the Wi-Fi connection and the mac address of the ap. After searching for the Internet for half a day, they all use various copy versions, not the swift version. After several experiments, we finally completed integration.

ARC mechanism, arcI. Basic Introduction ARC is a new feature added since iOS 5, completely eliminating the hassle of manual memory management. The compiler will automatically insert appropriate retain, release, and autorelease statements in

Block in OC, OCBlock Block encapsulates a piece of code that can be executed at any time A Block can be used as a function parameter or return value, and it can contain an input parameter or return value. Apple officially recommends using block as

After the SVN version is updated and the upData project is completed, the Xcode project file cannot be opened. Solution: svnxcode After svn updates the code, open the xcode project file and xxx. xcodeproj cannot be opened because will appear.The

GPUImageFramebufferCache class for GPUImage API documentation, The GPUImageFramebufferCache class is used to manage GPUImageFramebuffer objects. It is the cache of A GPUImageFramebuffer object. 　　Method -(GPUImageFramebuffer *)

IOS9 Spotlight and ios9spotlight 1. What is Spotloight? Spotlight has made some new improvements on iOS9, that is, opening up some new APIs. With the Core Spotlight Framework, You can integrate Spotlight in your app. Apps integrated with Spotlight

XCActionBar "Alfred in Xcode", xcactionbarxcode : Https://github.com/pdcgomes/XCActionBar   Basic commands: (1) "command + shift + 8" or double-click "command" to open the "Action input box" window 」 (2) "command + option + 7" or double-click the

IOS basic UI (10) UIPickerView and UIDatePicker UIPickerView and UIDatePicker are relatively simple to use. The following is a simple example to learn more about them.  UIPickerView1.UIPickerView attributes   // Data source (used to tell

[Reading Notes] iOS network-protects network transmission and Reading Notes for ios 1. Verify the server communication.   2. HTTP authentication.   Mobile banking applications have two authentication modes: standard verification and quick

OC, oc Language I. Encapsulation 1> encapsulation Definition Hides the attributes and implementation details of an object and only exposes the interface to control the read and modify access levels of attributes in the program. 2> advantages of

First involved in Runtime (1), first involved in runtime Objective-C is a dynamic language, and many things are determined by runtime. For example, the code first declares that testObject is an NSString, then creates an NSData Object, and saves the

About Swift set types and swift Sets Swift sets are represented by arrays and dictionaries. It perfectly stores everything you want to store. An array is a set of serialized lists of the same type. It is used to store different values of the same

MZN's understanding of iOS (1) -- personal understanding of proxy delegate, mzndelegate After one year of iOS, I want to record my understanding of the knowledge point.   Original: http://www.cnblogs.com/A--G/p/4900241.html reproduced please

An example of a custom view hud Based on MBProgressHUD, mbprogresshudhud A hud used in the project, based on MBProgressHUD, is implemented using a custom view. The animation effect is referenced online and is not ideal.If you need it, you can see

Reading Notes-basics, basics of Reading Notes 1. iOS system architecture is divided into four layers: Cocoa Touch layer, Media layer, Core Services layer and Core OS layer. 2. Auto Layout is first applied to the development of Mac 0 s x 10.7. It

IOS-Andriod Baidu map imitation Baidu takeout-ELE. Me-select my address-POI search/, ios-andriod-poi Bytes/ Baidu take-out select delivery address: ELE. Me select delivery address: Baidu map api Official Website Figure 1Put a UIImageView In The

Detects the orientation of the mobile phone to the UIDevice and the orientation to the uidevice. -(Void) viewDidLoad {[super viewDidLoad]; // you can call the UIDevice and begingeneratingdeviceorientationconfigurations method to send the orientation