iphone problem with

at - returnYES; - } - //The program is about to cancel the active state callback method. -- (void) Applicationwillresignactive: (UIApplication *) Application {} - in //how the program actually goes back in the background -- (void) Applicationdidenterbackground: (UIApplication *) Application {} to + //the procedure is about to enter the foreground callback method -- (void) Applicationwillenterforeground: (UIApplication *) Application {} the * //method that will callback when the

I. game scenario Switching In iPhone game development, there are many animations available in scenario development between games. The specific animations are as follows: Cctransitionrotozoom // Scale down the image from large to small and beat it Cctransitionjumpzoom // The three-dimensional jump from the Left Cctransitionmoveinl // Move from left to right Cctransitionmoveinr // Move from right to left Cctransitionmoveint // Move fro

[Code Note] iOS-iphone development-getting system fonts, ios-iphone Fonts Code: -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. NSLog (@ "-- all system fonts -- % @", [self getAllSystemFonts]); NSLog (@ "-- Current System font -- % @", [self getCurrentFont]);} // obtain all fonts of the system-(NSArray *) getAllSystemFonts; {NSMutableArray * array = [[NSMutable

The iPhone determines the current network connection status, and the iphone current network connection Import header files #include Determine the network connection status // Determine the current network connection status-(BOOL) isNetworkAvailable {// create a zero address. The address 0.0.0.0 indicates querying the network connection status of the local machine. struct sockaddr_in zeroAddress; bzero (

Add the website to the iPhone's home screen and the iphone's home screen I have an article about how to fix a website to the Start Menu of Windows and customize icons, colors, and Windows push notifications. In fact, Apple has similar functions, by adding a link tag to the head of a Web page, you can easily add a website to the iPhone's home screen in Safari to make it look like a normal app. To implement this function, you only need to place a file named"Apple-touch-icon.png"Image, just like a

Iphone development: Getting system fonts and iphone development Fonts Code: -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. NSLog (@ "-- all system fonts -- % @", [self getAllSystemFonts]); NSLog (@ "-- Current System font -- % @", [self getCurrentFont]);} // obtain all fonts of the system-(NSArray *) getAllSystemFonts; {NSMutableArray * array = [[NSMutableArray

How can I log on to facebook on iPhone 7? As we all know, China cannot log on to the official website of facebook. Users must use VPN to change the IP address of their mobile phones. Let's take a look.Step 1: Click"Set"Icon to enter settingsStep 2: Click"General"Go to general settingsStep 3: Click"VPN"Enter VPN settingsStep 4: Click"Add VPN configuration"Step 5: Select"IPSec", In the"Descripti

Preparatory work We're going to sync and go to the website to download a sync assistant installed on your computer. Use the following methods: 1. Now we open the Sync Assistant in the computer and then click Sync Ringtones: 2. As pictured, we click Sync Music: 3. Then we click on the add in the picture above and click on the music you uploaded, then click Make ringtones. 4. We can directly convert the MP3 to m4r so it is much more convenient: 5. Then we choose to ring our favorite

　 1. Remove scratches with toothpaste Toothpaste is commonly used in daily life cleaning products, in addition to our daily teeth tooth protection, toothpaste can also be used to remove the iphone screen scratches oh. In the selection of toothpaste, as long as the general toothpaste on it, please do not use gel-type toothpaste. Remove screen scratches with toothpaste: The first step is to squeeze a small amount of t

We first put the iphone device on the phone to the computer on itunes to identify the iphone icon as shown below. Then click "Backup" in the interface and click "Back Up Now". ITunes asks "Do you want to back up the Application" window after clicking "Back up Now". Finally, just wait for the backup to complete. If your iOS device is the first time you connect to a computer an

　　 　　"Iphone firmware upgrade Tutorial" 1, to ensure that your equipment has been connected to the WiFi network, and mobile phone power not less than 50%. 2, into the device's "set-general-Software Update" interface, when the page is entered, the system will automatically detect the current updatable updates of the latest firmware. 3, click the "Download and update" button, you need to confirm the terms of the update, and then the system will au

The first step, Baidu search to download and install ringtones more version of PP Assistant in your computer, and then the iphone to connect to the computer. After the connection is successful, find the ringtone in the software and download your favorite ringtones. The second step, then we export the use of software download ringtones to the computer. The third step, and then in the PP assistant to open the "audio

will automatically shut down. You need to plug in the power source or press the power key home together for 15 seconds to start up. In the first two cases, if the power plug-in cannot be started, it can only be sent for repair detection.6. iPhone 4 often prompts (not ipone special accessories) or (with audio interference, You need to enable the flight mode) that is generally caused by water inflow. Some of them can be removed and cleaned up. Some of

introduced to China.650) this.width=650; "src=" Https://s5.51cto.com/wyfs02/M02/9D/74/wKioL1mAT_zwLwbDAAGMg4N-EIs804.jpg "title=" 005m94j9ly4fh3edyka95j30hs0ls47l.jpg "alt=" Wkiol1mat_zwlwbdaagmg4n-eis804.jpg "/>The iphone 4 features a new design language and presents the "Retina Display" concept, and the first iphone with a "sandwich" structure. Until now, you can still see the iconic "sandwich" structure

Andy -- breeze original, reproduced Please note: http://www.cnblogs.com/huangdongcheng/archive/2011/11/05/2236916.html 1. Window: uiwindow The iPhone rule is a window with multiple views. The window is the bottom layer that you see in the app. It is fixed and can be ignored basically, but you need to know the architecture of each layer. 2. View: uiview Uiview is the basis for the user to build the interface. All the controls are drawn on this

From:Use uiimagepickercontroller to retrieve images from the iPhone photo library or camera Using uiimagepickercontroller to select a photo library is very simple: In the corresponding response: Uiimagepickercontroller * picker = [[uiimagepickercontroller alloc] init]; Picker. Delegate = self; // The controller must follow the response's delegate protocol of course. Picker.Sourcetype=Uiimagepickercontrollersourcetypephotolibrary;// Specify p

Introduction I will demo some sample to present how to send SMS in iPhone programming. Sample 1 The easiest way is this demo. [[Uiapplication sharedapplication] Openurl: @ "SMS: 12345678"]; Html links: Sample 2 We can use messageui framework and mfmessagecomposeviewcontroller to send SMS. -(Ibaction) sendinreceivms :( ID) sender You have to handle a callback method of mfmessagecomposeviewcontrollerdelegate so as to dismiss the modal View Con

As a first step, we can download a "hardware housekeeper" from the App Store and install it on your phone, and then we open it. The second step, in access to the hardware housekeeper click on "Battery Maintenance" open access, the effect is as follows; The third step, after entering the battery maintenance, so that you can see your iphone battery temperature, we note that the best not to exceed 35 degrees, then the battery temperat

In the Chrome and UC browsers of the iphone, when JSONP is used across domains, the request's accept will be: */*;IMAGE/WEBP.When there is no special handling of content-type on the backend, the IMAGE/WEBP will be returned directly, and chrome and UC will not be able to perform the JS returned by JSONP.Solution:1, abandon the Jsonp form cross-domain, instead of setting access-control-allow-originHttp://www.alloyteam.com/2012/11/html5-cors/?wpmp_switch

objc Foundation is ready (I actually practice some iphone applications first, because I still need to use the UIKit and Cocoa Foundation frameworks to play games later ), xcode is also familiar with it. (You can use xcode to set breakpoint debugging, use Zombie to solve memory problems, and use instruments to detect memory leaks, memory allocation, and cpu usage, you can create a target and create a schema of 4.0.) At this time, it is easier for you