IOS

0 basic learning ios development notes first day, ios notes first dayShortcut for Ios operation interface Command + c Replication Command + v Paste Command + a select all Command + s save Command + z undo Command + x cut Command + space Input Method

Label auto-adaptive height based on the number of characters displayed Label adaptive height based on the number of characters displayed 1 UILabel * label = [[UILabel alloc] init]; 2 NSString * string = @ "In fact, after years of past, why didn't

IOS9 sdk upgrade GuideAfter IOS9 is upgraded, the previously integrated SDK cannot be used to determine whether to install isWXAppInstalled. Baidu found that the upgrade of IOS9 restricts access to the http protocol. SDK1.6.1 official instructions

UITableView Extension: Click cell to close the keyboard, load different cells, and listen for changes in textfeild content, In fact, you only need one sentence to click cell to close the keyboard.-(Void) tableView :( UITableView *) tableView

IOS network NSURLConnection, iosnsurlconnection NSURLRequest Used to save the request address, request header, and request body By default, NSURLRequest automatically sets the Request Header for us. Request is a GET request by default.

One-week Essays -- 15.10.19 and later -- 15.10.19A new knowledge point record in a week (15.10.19) I.Ipad-UIPopoverController UIPopoverController inherits from NSObject and therefore does not have the display capability. It displays content through

IOS-ARC mechanism and iosarc Principle Memory Management is an important topic in software development. If the memory is improperly managed, the memory is exposed, and the program in severe cases crashes. The following describes the ARC (Automatic

IOS --- precautions for using NSTimer to set scheduled tasks NSTimer is a timer mechanism in iOS development. It is often used to set scheduled tasks using its ischeduledTimerWithTimeInterval method.We will use a countdown timer to illustrate the

UIButton does not respond to cause analysis, uibutton Cause Analysis 1. the response link of the parent view is blocked. For example, UIButton is added to the UILabel and UIImageView controls. Because UILabel (the value of userInteractionEnabled is

[Reading Notes] iOS network-Cookie, ios-cookie Cookie is an important component added to the HTTP protocol after the first version. It provides the server with the ability to track the session status without maintaining the connection between the

ReactiveCocoa talk about concat and reactivecocoaconcat Today's business process is like this. 1. Get the previous data from CoreData 2. Update the interface 3. Get data from the network 4. Determine the result 5. Handle error judgment 6. Update the

IOS network programming-Day4 (using NSURLConnection to obtain data asynchronously)XCode7 uses HTTPS communication, in info. add an attribute @ {@ "NSAppTransportSecurity" in the plist file: @ {@ "NSAllowsArbitraryLoads": YES} xml International

IOS network programming-Day5 (enable Apache with MVC)1. Use xml to retrieve data 1. Write the root node of the tree structure of the xml file (1). (2 ). set root node (3 ). set the subnode. Copy the subnode directly with the same name (4 ). set the

TableViewCell does not reach the left boundary.   In. in the m file, add the following two methods to solve/*** the following two methods solve the problem that the cell split line does not reach the left boundary */-(void) viewDidLayoutSubviews

Very powerful shooting action game iOS source code, action game ios source code A horizontal version of the shooting action game. There is a joystick in the lower left to control the object for forward and jump. Click the left side of the screen to

The second method for implementing the iOS cache cleanup function, and the second method for ios /*** Second method of cache cleanup ** @ param sender */-(void) specify ache :( id) sender {// The first method to completely clear the cache UIButton *

Three steps of the Quatre 2D drawing function (context, drawing, rendering), quatre2d 1. How does qurza2d draw drawing information and drawing attributes to the drawing context? Note:Create a new project, customize a view class and storyboard

Category, categories CategoryWhen I encapsulate a class and don't want to modify it any more, but as the program function increases, we need to add a new method to that class. This is just to add a category of this class) you can.Note: The category

UIGestureRecognizer gesture operation, uigesturerecognizer UIGestureRecognizer class is used to detect, recognize the gestures used by users when using devices, and define the basic behavior of all gestures. The following is a subclass of

Ios network Judgment MethodI have summarized several methods for judging the network connection mode of ios: 1. Reachability. Reachability is a third-party library recommended by Apple to determine the current network status. The primary functions