ios 12 iphone

1. Dispatch queue of GCD Http://www.cnblogs.com/scorpiozj/archive/2011/07/25/2116459.html 2. GCD magic in IOS Http://blog.csdn.net/favormm/article/details/6453260 3. There are a lot of official content Http://developer.apple.com/library/ios/#documentation/Performance/Reference/GCD_libdispatch_Ref/Reference/reference.html Http://developer.apple.com/library/ios/#do

suffix of this file to (. m4r).Then, copy the file to the desktop [or other directory]. It is recommended that the database-the file generated in the music [third-step generation] be deleted (the file is moved to the trash)Fifth step: Use itunes to open the suffix (. m4r) ringtone file. This way, the ringtone file is imported into the database-the ringtone.Finally, insert your iphone, select the Ringtone tab, tick the Sync ringtone selection box, and

iphone program run ProcessMAIN.M file, main entry for iOS applicationThe two parameters of the main function are command-line arguments, which are not used in iOS development, including the two parameters for consistency with standard ANSI CUiapplicationmain function:Provides the main entry point for the application, creates a new application instance, and its de

The following links provide many open-source IOS apps. developers can learn other people's code. "It can be tough to learn how to develop, especially when it comes to finding complete examples. that's why I put this list together. each of these open source iPhone apps is not just open source, but has been in the App Store, and all but one are in there right now. so if you're looking for an example of som

] inputisavailable]; } 2. Detecting Sound output devicesFor the output device detection, we only consider 2 cases, one is the device itself out (Itouch/ipad/iphone), one is currently inserted with out headphones. iOS has already provided a way to get all of the current sound devices, and we just need to check to see if we have the ones we care about in these devices.Get all current sound devices:[plain] vie

IPhone screen fit judgment and iOS system version judgment? 1 2 3 4 5 6 7 8 9 if([[[UIDevicecurrentDevice]systemVersion]floatValue]>=7.0) { // iOS7.0及以上版本系统适配 } if([UIScreen mainScreen].bounds.size.height == 568) { // iPhone 屏幕适配} can be written as a macro definition placed in a PCH file,? 1 2 3 4 // 判断是否为iPh

There must have been a lot of friends recently upgraded iOS 9, but some friends encountered white Apple problems during the upgrade. That is, the card during the upgrade process, unlimited restart. At this point, you can only go through the DFU to upgrade.iOS9 How to enter DFU mode:1. Turn off your iphone.2. Press and hold the switch key and home button simultaneously.　　3, when you see the white Apple logo,

[_outputstream write:buff Maxlength:strlen ((const char *) buff) +1] is written as data method.The ⑥ and ⑦ line code [self close] calls the Close method closed, and the Close method code is as follows:-(void) Close{[_outputstream close];[ _outputstream Removefromrunloop:[nsrunloop Currentrunloop]formode:nsdefaultrunloopmode]; [_outputstream Setdelegate:nil]; [_inputstream Close]; [_inputstream Removefromrunloop:[nsrunloop Currentrunloop]formode:nsdefaultrunloopmode]; [_inputstream Setdelegate:n

-(BOOL) Checkdevice: (nsstring*) name{nsstring* DeviceType = [Uidevice currentdevice].model; NSLog (@ "DeviceType =%@", DeviceType); Nsrange range = [DeviceType rangeofstring:name];return range.location! = Nsnotfound;}NSString * [email protected] "IPhone"; NSString * [email protected] "iPod"; NSString * [email protected] "IPAD"; bool bisiphone=false;bool bisipod=false;bool bisipad=false; Bisiphone=[self checkdevice:nsstriphone];bisipod=[self ch

horizontally, home button on the leftUideviceorientationfaceup,//Device oriented flat, face upUideviceorientationfacedown//Device oriented flat, face down */Switch (Orient){ caseuideviceorientationportrait:break; caseuideviceorientationlandscapeleft:break; caseuideviceorientationportraitupsidedown:break; caseuideviceorientationlandscaperight:break;default:break;}}Notice that the direction in this way also includes facing up or down, it is easy to see that this is entirely based on the physi

([ElementName isequaltostring:@ "book"]) { NSString *catalog = [attributedict objectforkey:@ "Catalog"]; }else if () { //...... }}This method is called when the parser finds the character between the opening and closing tags.Parser to read specific content from two nodes-(void) Parser: (Nsxmlparser *) parser foundcharacters: (NSString *) string { Record the obtained text column}-(void) Parser: (Nsxmlparser *) parser Foundcdata: (NSData *) cdatablock{ }This method i

Ios (ipad, iphone) general method of screen rotation Detection In special scenarios, screen rotation is needed. It is convenient to implement related functions in ios. Here are two methods: 1. register the UIApplicationDidChangeStatusBarOrientationNotification notification (for example, register the notification in viewdidload of a viewcontroller class). The samp

It's obviously an issue with the icon size setting.Solution: Editor > New App IconA new complete set of icons is then generated, and the icons are then dragged in.In addition Xcode6 under the new project more than XCODE5 under a few @3x icon set, etc., if you need to Xcode6 under the new project under the Xcode5 no warning, Just open the images.xcassets under AppIcon contents.json delete the corresponding array element.Xcassets:a XXxXX app icon is required for

binary file (build version is invalid) issueCause of Error: Maybe there is a problem in your project.Workaround: Look at the app ID you signed up for the application of the mailbox, because you have a problem with this build, Apple will send you an e-mail (which will explain your problem) but 50 is Baidu map of the problem need to add-OBJC here to pay attention to the caseThe-OBJC function is: When this parameter is added, the linker will load all the Objective-c classes and categories in the s

#import 　　Get iOS device model iphone ipad

Jet Robot (Jet Robot) game released Jet robot is a casual flying game, game screen or more interesting, the robot is very cute, click to fly, let the small robot fly higher the better. Game Introduction Jet bot: In this game, you have to use his jet pack to help as high as possible. But flying is not as simple as it looks. Avoid obstacles on the way, as well as avoiding deadly traps, collecting as much fuel as possible and exceeding everything. Post your score to the online High score table and

The Neon City (Neon) released Neon City is a very classic racing mobile phone game, the game has a new racing, cool special effects and beautiful game lighting screen design. Interested in the small partners to download the Neon City hand tour Try it! This is a good game yo! Game Introduction "Neon City" is a beautiful light-screen racing mobile phone games. In this game, you will be a pilot flying a space fighter. This game uses the famous film Tron's style quality HD display, acceleration sens

1, in the iphone, we open the "personal"-"Member center" effect as shown below 2, then we enter into the "Member center"-"become a member" effect as shown below 3, select the type of membership you need, click to Buy, as shown below this operation and the App Store has no relationship to the back to recharge only 4. Verify your Apple ID password for purchase 5, when the Apple ID no money need to first give the Apple ID

key value information; [settings synchronize]; synchronize the key value information to the local directory; Now let's look at the user configuration information in the sandbox. First, check the application sandbox path and use NSString *homeDirectory = NSHomeDirectory(); NSLog(@"path:%@", homeDirectory); Print result: Path:/users/Dolby/library/Application Support/iPhone simulator/5.1/applications/55c49712-ad95-49e0-b3b9-694dc7d26e94 But the

friends 12, whether the use of the ring letter, simple next ring letter realization principle Ring Letter is a service provider for instant Messaging Ring Letter uses the XMPP protocol, it is XMPP on the basis of two development, the server OpenFire and client function model of the addition and the Client SDK encapsulation, the nature of the ring letter or the use of XMPP, socket based network communication Ring letter inside the implementation o