IOS

IOS: local notification UILocalNotification 1. Create a local notification UILocalNotification * local = [[UILocalNotification alloc] init]; 2. Set the notification display time Local. fireDate = [NSDate date]; 3. Set the Default Time Zone

IOS Date Processing-resolution date To obtain accurate time from a string, you must specifyCorrect Format StringAnd the correspondingTime zone ID 1. Date Format 1. Year yDisplay the year (0-9) as a number without leading zero

Specify the rounded corner of iOS development If you want to set all the four corners of the UIView to rounded corners, the procedure is quite simple. You only need to set the cornerRadius attribute of the Layer (the QuartzCore framework is required

IOS skills, features, and specifications I. compiler features 1. ARC. ARC is a compiler feature. If ARC is used in the project, the compiler automatically adds the OC object counter release code during project compilation. If ARC is used, the

IOS uses UIDocumentInteractionController and Quick Look to open or preview a documentDuring App development, we cannot avoid opening software files, such as Excel files and Word files, if you want to open files in different formats such as image

OC, oc Language  Features of the OC language 1. hyperset of the C-language statement, which allows the C-language program source code to be used in the OC. the compiler is compatible with the C-language program. 2. It has a complete pipeline object-

WatchKit App Submission Issues, watchkitsubmission View Original: http://leancodingnow.com/watchkit-app-submission-issues/   I submitted a new version of my app Pomodoro Tracker yesterday, adding support for Apple Watch. I encountered several issues

IOS basics-UIImageView UIImage is to define an image, while UIImageVIew is to define a view, and then put the image in   -(Void) viewDidLoad {[super viewDidLoad]; // UIImageView * imageV = [[UIImageView alloc] initWithImage: [UIImage imageNamed: @ "1

IOS basics-UILabel The most common text tag. To put it bluntly, it is a collection of strings used to display text. The following describes the label attributes in detail.   -(Void) viewDidLoad {[super viewDidLoad]; UILabel * label = [[UILabel alloc]

IOS basics-UITextField UITextField is usually used for external text input, which is a common input box. The following code describes various UITextField attributes and methods.   -(Void) viewDidLoad {[super viewDidLoad]; // text input box

UITableView table view and reconstruction mechanism, uitableviewTable view UITableViewThe table view UITableView is the most important view in IOS. It can be seen everywhere. A table view is usually used to manage a group of data with the same data

IOS slides tableView to change the color of the navigation bar-(Void) viewDidLoad {[Super viewDidLoad];[Self initTableView];}-(NSInteger) numberOfSectionsInTableView :( UITableView *) tableView {Return 1;}-(NSInteger) tableView :( UITableView *)

IOS programming UITabBarController, uitabbarcontroller IOS programming UITabBarController 1.1 View controllers become more interesting when the user's actions can cause another view controller to be presented. When a user's action can lead to other

IOS notes (common knowledge points) This is some notes I made when I was working on projects at the company ....... // 1. iphone development-change the color of the dot in UIPageControl PageControl. currentPageIndicatorTintColor = [UIColor

Cancel button click delay on iOS UITableViewCell This phenomenon is not displayed when you touch the button in the highlighted state. The solution is to disable the delay of scrollView. Code: Add the following line to the place where tableView is

IOS data persistence-plist   The previous article mentioned how to use NSUserDefaults to store user preferences. This article describes how to use plist and common files to store structured data, generally, Plist is used to store data that does not

Shortcuts for Xcode IOS development environment Shortcut Key Edit File CMD + N: New file; CMD + SHIFT + N: new project; CMD + O: open; CMD + S: Save; CMD + SHIFT + S: Save; CMD + W: Close the window; CMD + SHIFT + W: Close the file Edit CMD +

Coordinate issues in iOS Game templates IOS Game usually has a horizontal screen, so what will happen when the screen is vertical. The cup has occurred, and the coordinates have encountered problems. When the horizontal screen is displayed, the

IOS animation-what? Can AutoLayout still perform animation? Yes. It is clear that AutoLayout can indeed be used as an animation. AutoLayout is used to make various constraints and adapt to different screens. When we change some of these constraints

Objective, objectivec   Objective-c Chapter 1 Hello world 1.1 1.2.On the Welcome screen, click "Create a new Xcode project" (see Figure 2-1), or just chooseFile-> New Project.   1. 3. Write the following code in main   #import int main(int argc,