URLScheme of iOS
There has always been access to the url scheme of the app to be set, starting from the earliest facebook.At that time, it was understood that SSO was used. After successful authorization, facebook app or safari can use the given url
IOS_21 group_use block to encapsulate the proxy method of the Request tool class
Finally:
[Comment] The provided tool DPAPI uses a proxy mechanism after the request is complete. When a request succeeds or fails, the corresponding method of the
Multimedia programming-ios camera image capturing Tool
Tool class provides preview image, automatic processing of rotation, and actively capture the image (such frame rate can be infinitely large)
The interface of the system is mostly to receive
IOS library --. a and. framework
1. What is a database?
Library is a way to share program code, generally divided into static library and dynamic library.Ii. What is the difference between a static library and a dynamic library?
Static
Http requests on iOS: get, post, and synchronous and asynchronous
There is a public weather interface on the Internet: weather, click the getSupportCityDataset interface in it, and use this interface as an example to write the HTTP request Writing
Ios removes the black borders in navigationController and tabBarController.Ios removes black borders in navigationController and tabBarController by Wu xueying
-(Void) viewWillAppear :( BOOL) animated {[self. navigationController. navigationBar
Modify the font color of the status bar in iOS7
The font of the status bar is Black: UIStatusBarStyleDefault
The font of the status bar is white: UIStatusBarStyleLightContent
1. In info. plist, set View controller-based status bar
IOS _ screenshot and cropping
Use Cases:
Code segment in iOS 7
Vc3ryb25np1_vcd4kpha + PC9wPgo8cHJlIGNsYXNzPQ = "brush: java;"> // use the context and crop the specified area. The template code-(void) screenShot {// view to be taken,
Ios has to use proxy to reverse pass the value
Application Scenario: sometimes jump from interface A to interface B, and interface B needs to pass the processing result to A when returning.
Implementation logic: 1. Define A coroutine for
IOS development-network programming Overview
For Network Programming of IOS, everyone will think of libraries such as BSD, CFNetwork, and NSURL. Although many third-party libraries are very convenient, as a developer, you also need to understand
Apple pushes iOS 8 Beta 5 to developers
IOS 8 contains many new features, such as Continuity, interactive notifications, and a new QuickType keyboard that is better deeply integrated with OS X Yosemite.
Currently, iOS 8 is only available for
In-depth study of Objective-dynamic features of C Language
Objective-C has a lot of Dynamic features. Basically, it is also often referred to and used with Dynamic type Dynamic typing), Dynamic binding) and Dynamic loading ).
These dynamic
Value Transfer Between IOS views
1. Use NSUserDefaults to pass the value. This method is only applicable when a small amount of data is transferred:
For example, if you want to upload a float value, use[[NSUserDefaults standardUserDefaults] setFloat:
Ios captures the current screenIos captures the current screen by Wu xueying
-(UIImage *) getSnapshotImage {uigraphicsbeginimagecontextwitexceptions (CGSizeMake (CGRectGetWidth (self. view. frame), CGRectGetHeight (self. view. frame), NO, 1);
IOS adds touch events to Views in Mobile animationsFor Core Animation, whether it is an explicit or implicit Animation, frame setting is set immediately. For example, if you want to perform a mobile Animation for a UIView, although the frame is
IOS: learning notes, Swift namespaceIn Swift, namespace is implemented using class (extension) nesting. The following is a simple example to demonstrate the copy code /// main. swift // SwiftNameSpace /// Created by yao_yu on 14-8-1. // Copyright (c)
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