In Objective-C, the principles of strong and weak pointers under ARC are interpreted, and objective-cweak
Tip: in this article, "instance variables" are "member variables" and "local variables" are "local variables"
I. Introduction
ARC is a new
You are my little alpaca game ios source code, you are my little alpaca
source code download: http://code.662p.com/view/8582.htmlYou may have noticed that neurocat is replaced with a cute little alpaca :)Online Game address:
IOS WebP image format
Google produces high-definition images with small sizes. The following describes how to use these images in iOS.
Add header file
#import UIImage+WebP.h
#import ViewController.h#import UIImage+WebP.h@interface ViewController (
IOS development tips-regular verification of ID cardsNote: ID card verification may be required in many places during ios project development. Generally, during development, many people directly go to Baidu to change the related regular expressions
Shows user location cannot be located using a map on ios8.
In xcode6, the positioning method of the apple map has been modified, and it used to be unavailable.
Error Description: Trying to start MapKit location updates without prompting for location
Listener network connection for iOS development, change, and disconnect
During iOS development, we need to monitor/monitor network conditions. Apple provides Reachability. h and Reachability. m.
Import Reachability. h
You can write the following in
[Basic iOS control and basic ios ControlA. Requirements1. Convert the navigation bar like QQ, top, or bottom windows 2. Add corresponding content to each pageB. UITabBarController1. basic concepts: (1) content height before iOS7: screen
No security, no privacy, security, and privacy
I 'd like to show you a picture, but it may be a bit shocking...
Maybe you don't know what it is saying, so please continue reading...
This does not look like a four-cell cartoon, but it is of
. Net Time Format and sleepless me,. net Time Format
The night is deep, and the wind outside is still screaming. My feet are cold and cold... From till now, I have been testing why the 400 error is still reported after the strings in the correct
Get the device model and Device
Code:
- (void)viewDidLoad{ [super viewDidLoad]; // Do any additional setup after loading the view. NSLog(@"--self-machine-%@",[self machineName]); }- (NSString*) machineName{ struct utsname
Common image functions for iOS: capture the current screen/select local image/Image Compression
Capture current screen
UIGraphicsBeginImageContextWithOptions(CGSizeMake(CGRectGetWidth(self.superview.frame), CGRectGetHeight(self.superview.frame)),
[Ios] The splitViewController under the ipad makes your APP look cool !, Ipadsplitview
You can use splitViewController on ipad
The splitViewController contains two viewcontrollers.
This is a way to split the screen into two parts.
In the horizontal
What is the difference between Retain and Copy in IOS? iosretaincopy
1. Readability: readonly and readwrite@ Property (readwrite,...) valueType value;This attribute is the default attribute of the variable. If you (readwrite and readonly are not
IPhone development-UIButton setImage also displays the title
If you want to create a button, the upper part of the button displays the Image, and the lower part displays the Title (the text position is not fixed). The display effect is as follows:
Suggestions on iOS development learning path
A friend in the iOS Forum asked to answer the post. The post title is:To learn more about IOS development, start fromAnd then I wrote a lot of answers. Since I typed so many words, I posted my replies to
The ios project bypasses the certificate to access the https program, and the ios project bypasses the certificate https
For a single webview or request, directly implement NSURLConnectionDelegate in the file h of the request, and add the following
IOS converts a simple image into a circle, and ios image into a circle.
Push is a defined button.
Push. layer. masksToBounds = YES;
Push. layer. cornerRadius = 100;
Push. layer. borderWidth = 10;
Push. layer. borderColor = [[UIColor blackColor]
IOS development-invalid reloadData (UI update error in sub-thread)
Today, I encountered a problem while writing a chat tool.
In the registered notification, Every time another user sends a message, the UITableView must be updated.
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