IOS

IOS neon effect (oc) // Initialize the view-(Void) initViews {// Red ViewUIView * redView = [[UIView alloc] initWithFrame: CGRectMake (20, 20,280,280)];RedView. backgroundColor = [UIColor redColor]; // View label, indicating a view object

IOS: Android-like unlock effect [go], iosandroid The principle is very simple. Listen to a series of touch events in the view. When the finger position is near a button, judge the selected button and draw a line. As follows:     You

IOS dictionary to Model quickly, ios dictionary to model In general, the process for IOS to load partial pages is to create a Model, associate the Nib file with the Model, and then quickly obtain the control instance on the Nib file. Operation

Objective-C memory management-reference count, objective-c Memory Management When learning Objective-c, it is easy for beginners to get confused about the memory management part. A major reason is that the reference counting principle is not clear,

In iOS UIAlertView, UIActivityindicatorView prompts loading pending   1. SignInViewController. h   #import @interface SignInViewController : UIViewController { UIAlertView *remoteAlertView;}@end   2. SignInViewController. m   #

IOS-NSThread/NSOperation/GCD for thread operations 1NSThread. Declare the thread and start the thread: (the first parameter declares the target class, 2nd parameters declare the target method, and 3rd parameters are parameters of the

IOS app screenshot Since the launch of the iPhone, it has provided the screenshot function, which is simple and easy to use. Therefore, there is no need for screenshots for applications. However, sometimes we will still encounter this requirement.

IOS custom page switching animation and Interactive Animation Before iOS7, developers sought to customize the Push/Pop animation of the Navigation Controller. They could only subclass A UINavigationController or overwrite it with a custom animation.

Compile and configure ffmpeg on iOS To use ffmpeg for audio and video development, you must first compile the ffmpeg source code into a static library. Compilation is not a big problem. The key issue is how to set various configurations during

IOS sets a blank interval between cells in TableView. 1. Set the number of sections, that is, how many cells do you have? - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { return 3; // in your case, there are 3 cells} 2. Return

The ios implementation program is switched to the background to implement background tasks. -(Void) applicationDidEnterBackground :( UIApplication *) application { // Use this method to release shared resources, save user data, invalidate timers,

IOS uses GDataXML-HTML to generate XML XML classes that come with iOS versions can only be parsed and cannot be generated. Open-source library GDataXML-HTML not only supports XML parsing, but also supports generating XML.1. Add GDataXML-HTML to the

Ios view creation process The master sent me a bunch of view creation functions to let me know the view creation process. - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{ self = [super

Runtime of Objective-C 1-first recognized Runtime, objective-cruntime [0] Outline -- [1] version and Platform -- [2] interaction with Runtime System -- [3] dynamic resolution of methods -- [4] Message forwarding -- [5] type Encoding -- [6] attribute

The automatic Version Detection Method After the ios application is started, and the ios application Detection Method Today, it was unexpectedly discovered that appstore still provides links to obtain client information in json format through

A general image cache solution for Mobile Application Development (IOS/android, etc.) (with a flowchart) In mobile application development, we often encounter scenarios from network request images to display on devices. If a request is initiated

Ios File Upload The ASIHTTPRequest framework supports file upload; Use ASIFormDataRequest to upload files; NSString * s = @ "file transfer"; NSURL * url = [NSURL URLWithString: @ "http: // localhost: 8080/text"]; // transmission address

Simple use of IOS Basic _ Block syntax I didn't have much access to block statements when I started learning IOS. I had to learn more and more block statements later. It was difficult to understand at the beginning, then I made an example and

Ios click to generate Ripple EffectIos click to generate ripple effect by Wu xueying - (void)viewDidLoad{ [super viewDidLoad]; RippleView = [[UIView alloc] initWithFrame:(CGRect){0,0,300,300}]; RippleView.backgroundColor = [[UIColor

Open Platform for ios application access I tried to access the public platform on the server a few days ago, and yesterday I checked the application access to the open platform.Differences between open platforms and public platforms The public