IOS

IOS-hide Navigationbar [seamless and smooth navigation bar hiding] and ios-navigationbar1. ViewController . M -(Void) viewDidLoad {[super viewDidLoad]; self. title = @ "Hide navigation bar"; UIButton * button = [UIButton buttonWithType:

IOS-call, send text messages, send emails [send QQ messages to specified QQ users], and ios-messages1. send text messages Header file #import Header proxy @interface ViewController () Send information -(Void) senderMessage {if

IOS-hardware authorization detection [Address Book, camera, album, calendar, microphone, positioning authorization], ios-address book In summary, there are several frequently used descriptions for obtaining mobile phone permissions. After iOS8, you

Start with iOS-RAC and start with iOS-RACWhat is RAC? In fact, RAC is a third-party library ReactiveCocoa that simplifies code. You can directly use Cocoapods to add it to the project. Add the pod 'reactivecocoa 'to the podfile file, and then

IOS11, iPhone X, Xcode9 adapter guide, ios11iphone After iOS11 is updated, it is found that adaptation is required in some areas. After sorting, the priority is divided into the following three categories: 1. changes caused by upgrade of iOS11; 2.

IOS development-RATreeView multi-layer UITableViewCell display [Expand and collapse] usage,1. Preface During iOS development, Tableview is often used to display lists. However, if Tableview is used to display multi-layer and multi-level cells,

IOS forcibly exits the APP code, and ios enforces the app code. 1. po code first // Exit program 1 12345678910111213141516171819202122232425262728293031 UIAlertView* alert = [[UIAlertView alloc] initWithTitle:self.exitapplication message:

IOS development-underline, strikethrough, and ios underline for Attribute strings Commonly used attribute string /// Define the property stringNSMutableAttributedString * att = [[NSMutableAttributedString alloc] initWithString: @ ""]; //

IOS development-image compression, /// Compressed image + (NSData *) imageCompressToData :( UIImage *) image {NSData * data = UIImageJPEGRepresentation (image, 1.0); if (data. length> 300*1024) {if (data. length> 1024*1024) {// 1 m and Above data =

UITableView, UITableView 1. Differences between cell view and contentView 1.1 addSubView You can add a subview to a UITableViewCell instance in either of the following ways: [cell addSubview: view] or [cell. contentView addSubview: view].

ApplicationLoader Logon Failed. Please sign in with an app-specific password .,     When logging on to ApplicationLoader during packaging, the following error occurs: Please sign in with an app-specific password. You can create one at

[Code Note] custom loading and note custom loading I ,. 2. Engineering Drawing. 3. Code. ViewController. h #import //loading#import "GPLoadingButton.h"@interface ViewController : UIViewController{ //loading GPLoadingButton *loadingButton;

[IOS] some third-party libraries, ios third-party Libraries BHInfiniteScrollView Image carousel library, supports image scrolling between the left and right, and up and down Https://github.com/qylibohao/BHInfiniteScrollView  

Ios determines whether the screen is displayed as @ 2x or @ 3x to call the font size, @ 2x @ 3x Traditional font size adaptation may be based on a ratio of the screen width to the iPhone 5 or iPhone 6 width. However, if you have such a requirement,

Compatible with ios11 and iphone x practices, and with ios11iphone I. Adaptation to iOS11 Problem 1: There is a native interaction with H5 in the project. When running on iOS11, it directly crashes inside the framework WebViewJavascriptBridge. Error

IOS screenshot code and ios screenshot code -(UIImage *) getScreenPhoto { CGFloat scale = [UIScreen mainScreen]. scale; NSMutableArray * images = [NSMutableArray array]; CGSize contentSize = self. view. size; CGSize imageSize = CGSizeMake

IOS development-generate a QR code image [with a small icon QR code in the middle] (QRCode), iosqrcode Generating QR code images is also commonly used in projects. There are many useful methods to scan the QR code on Git. Here we mainly discuss the

CAMediaTiming 'Protocol (9.1 layer time), camediatiming9.1 # CAMediaTiming Protocol CAMediaTimingThe Protocol defines a set of attributes used to control the elapsed time in an animation,CALayerAndCAAnimationThis Protocol is implemented, so the time

Custom buffer function (buffer 10.2) and custom buffer function 10.2Custom buffer function In chapter 8, we added an animation to the Clock Project. It looks good, but it would be better if there is a suitable buffer function. In the world of

Transaction (implicit animation), transaction AnimationTransactions Core Animation is based on a hypothesis that everything on the screen can be animated (or possibly. You do not need to manually open an Animation in Core Animation. Instead, you