IOS

Explore iOS network development and data parsing ., Ios Let's take a look at the oc network programming and data parsing (json) through the development of the public comments platform)   First, we need to apply for a key on the public comment

IOS study notes, ios2015-03-18 Objective -- C key word 1 KVC dynamic value setting, dynamic value, similar to reflection in java, in addition, you can also set and obtain the second function 2, the second function 1, and the retain to reference the

UITableView: This section only describes the proxy method and uitableview sorting. # Pragma mark-proxy method # Pragma mark setting cell table height -(CGFloat) tableView :( UITableView *) tableView heightForRowAtIndexPath :( NSIndexPath *)

IOS Learning Log, ios2015-3-17 Objective -- C One keyword @ class import existing class id object type indicates any ObjC object type Block object type. In OC, it is called a code Block. Similar to the function type pointer in C, typedef defines the

IOS-dynamically calculates the text width to define the frame size of the control ., Ios-frame // Dynamically calculates the size occupied by the text based on the uploaded text content, text size, and maximum size. -(CGSize)

# Define collection commonly used in iOS, 1. Define Constants When defining constants, it is best to start with a lower-case letter k to give people an insight, (1) Navigation Bar Height: We all know that the height of the navigation bar is 44 when

IOS Learning Log, ios2015-3-16 Objective -- the C keyword self is equivalent to this in java, but it can replace an object or a class, that is to say, it can be used in both static and dynamic methods. Super is equivalent to the parent class. You

IOS basics-Four Range types of instance variables and four types of ios instance variables 1. to force an object to hide its data, the compiler limits the scope of instance variables to restrict its visibility in the program. However, to provide

IOS basics-alloc, init, and new methods, iosallocinitnew Alloc: memory allocation. Init: initialization. New: instead of the above two functions: allocate memory and initialize.   Note: 1. In actual development, new is rarely used. Generally,

FormSheet mode view, click the method of hiding the modal view outside the modal view, formsheet Mode # Pragma-mark click a blank area outside the modal view to hide the modal View -(Void) viewDidAppear :( BOOL) animated { [Super viewDidAppear:

Teach you to write IOS libraries that can be comfortably and comfortably called and call the ios Library Directory Preface Opening your mind Analysis Plastic surgery Conclusion  Preface   It was so fast in 2014 and so fast in the new year. In 2015,

Xcode compilation error and warning summary, xcode compilation Summary 1. error: macro names must be identifiers YourProject_prefix.pch Cause: Because you have corrupted the Preprocessor macro, you modified it when it is in . Solution: Select All

Comparison of Two Methods for creating objects in iOS development: ios objectsComparison of Two Methods for creating objects in OC Syntax: 1. Using new to create objects; 2. Using alloc and Init to create objects. Using new to create an object, the

IOS Study Notes 20150314, ios20150314 Objective -- class C and object 1 keyword @ interace class definition @ end class end @ implementation class implementation: inherit @ public @ private @ protected internal subclass can access @ proterty

ISO study notes, Study Notes Objective -- C One keyword @ property defines the variable function @ synthesize to implement the Variable Function two function alloc allocation memory init initialization new replace the above two functions to allocate

IOS Baidu map track record road fitting Recently, I am working on a small demo to try track records. The recording track must be constantly retrieved and recorded to the database. During the discount, the link will be directly connected at the

Network request image, request Image   :   Code: -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. UIImageView * imageView = [[UIImageView alloc] initWithFrame: CGRectMake (50,100,200,

06-image browser, 06-BrowserIntroduction to the image browser Case Study Next we will use UIImageView, UILabel, and UIButton to implement a comprehensive case study. Function Analysis Step Analysis Master Change the image of UIImageView

Obtain the number of weeks and the number of weeks Code: -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. NSLog (@ "current week: % @", [self getWeekFromLocal]);} // Date of the

Attribute List in IOS ---- Property List, ios ---- property Attribute list is a file used to store serialized objects. Because the extension is plist, it is usually called a plist file. Plist files are usually used to store user settings, and can