IOS

Method 1: -(Void) setRefreshWindow {CGRect frame = CGRectMake (0.0, 0.0, 320.0, 20.0); statusbarWindow = [[UIWindow alloc] initWithFrame: frame]; [statusbarWindow setBackgroundColor: [UIColor clearColor]; [statusbarWindow setWindowLevel:

Code the header file directly. // Image processing 0 semi-gray 1 gray 2 dark brown 3 reversed color + (UIImage *) imageWithImage :( UIImage *) image grayLevelType :( UIImageGrayLevelType) type; // how much is the color value dimmed? 0.0-1.0 +

The most basic macro definition usage # Define aaa bbb The content of bbb is replaced by aaa. Macro scope Macros are used in the current file, If you want to act on other classes (for example, calling Class a's defined macro in Class B), you

Recently I used it in the program. In the pop-up box at the bottom, I read the code written by my predecessors and searched the internet. I found that I did not solve the problem very well. So I studied it, share the code and share it with you. If

Tag View Controller-comprehensive use of UITabBarController custom UITabBarItem custom navigation bar and tag Bar background imageI. The tag View Controller UITabBarControllerUITabBarController has the following important attributes: View Controller

The SBJson package is in the previous article. You can use the key-value pairs in NSDictionary to splice Json data, which is very convenient and can also be nested and directly run the Code: // Start splicing the Json string NSDictionary *

KCATransitionFade fade outKCATransitionMoveIn overwrites the source ImageKCATransitionPushThe bottom of kCATransitionReveal is shown PageCurl page upPageUnCurl flip down one pageRippleEffect dripping EffectSuckEffect contraction effect, such as a

Sort 24 documents related to iOS OpenGLES framework Beautiful Life of the sun and fire god (http://blog.csdn.net/opengl_es) This article follows the "signature-non-commercial use-consistency" creation public agreement Reprinted please keep this

-(UIColor *) colorAtPixel :( CGPoint) point { // Cancel if point is outside image coordinates If (! CGRectContainsPoint (CGRectMake (0.0f, 0.0f, self. size. width, self. size. height), point )){ Return nil; } NSInteger pointX = trunc (point. x

Reference: if Apple is not so cool, we don't need to customize it. Unfortunately, UIActivityIndicator has only one initialization method, initWithActivityIndicatorStyle. I. It cannot be changed at Will-sometimes we need an invincible firewheel that

First of all, the following two methods can obtain the mac address of the mobile phone, but there is a limit that can be obtained only on iOS. After iOS7, Apple performed technical processing on sysctl and ioctl. the MAC address returns 02: 00: 00: 0

    When I added the sharing in the afternoon, I still liked the default sharing Function of ios7 with so many third-party sdks, Which is concise and generous. It also displays your installed social apps. Next I will explain how to use it in cocos2

Question 1: error message: Check dependenciesCode Sign error: No matching provisioning profiles found: None of the valid provisioning profiles allowed the specified capabilities: inAppPurchase.CodeSign error: code signing is required for product

In IOS apps, the comment is very simple. You only need two sentences: 1. Obtain the URL address: NSString * nsStringToOpen = [NSString stringWithFormat: @ "itms-apps: // itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?

Let's talk about the adaptation between different ios versions. Let's talk about one thing first: In xcode, there is one thing called targets. Apple's official documentation says this: A target specifies a product to build and contains the

I used a small App last year. The key feature was to send a local notification to the user. Unfortunately, I didn't write my blog at the time, so I didn't record the corresponding knowledge. Recently, I encountered the use of this function. This

The home page of the project needs a 3D effect. You can refer to this Demo. What about this example? I got one from the Internet, but I don't know. It's amazing that the people who wrote the Demo can do it easily. It's amazing, I watched it for an

Create UIButton objects in two ways. (1) UIButton * button = [[UIButton alloc] initWithFrame: CGRectMake (100, 50,100, 75)];[Button setTitle: @ "close" forState: UIControlStateNormal];Button. backgroundColor = [UIColor greenColor]; // the background

When the autorelease method is executed, the object is added to the Auto Release pool. When the automatic release pool is destroyed, all objects in the pool are automatically released for the release operation. After the object executes the

In-APP purchase (Nonconsumable) If you buy it, you will have the title and function (Consumable). If you buy it, you will use it. If you use it, you will not have it.    Product defined       Products defined # Define kIAPBomb @