iphone ios

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

Recently the adaptation of the iphone x, found some rules, the overall adaptation is very simpleThe status bar at the top of the iphone X is 44px from the top of the security zone, and the other iphone is 20px,The IPhone x security Zone is 34px from the bottom heightAdded safe area to Xcode9Let's get to the bottom.Safe

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

Whether in the iphone development or learning process will see some not very ideal code, it is undeniable that they are constantly "contributing" to this kind of code. In the face of some code "bad taste", refactoring is obviously an effective way to solve. The "reconstruction of the iphone" series wanted to summarize and supplement some of the refactoring that was going on in the development of the

Phone also supports accessing the local database SQLite 3. Here we will briefly introduce how to use SQLite 3 on the iPhone. First, you need to reference the SQLite 3 development kit in the project. The following is the directory under the iPhone SDK 3.0:/developer/platforms/iphoneos. platform/developer/sdks/iphoneos3.0.sdk/usr/lib/libsqlite3.0.dylib Here, you need to use commands in adv

ERROR itms-9000"Your binary isn't optimized for iphone 5-new iphone apps and app updates Submitte D must support the 4-inch display on IPhone 5 and must include a launch image referenced in the info.plist under Uilaunchi Mage with a Uilaunchimagesize value set to {320, 568}. Launch images must is PNG files and located at the top-level of your bundles, or provided

This articleArticleI will use a simple example to show how iPhone requests Asp.net WebService through get and post. WebService 1. Create a WebService 2. enable http get and http post in webconfig. WebServices > Protocols > Add Name = "Httpsoap" /> Add Name = "Httppost" /> Add Name = "Httpget" /> Add Name = "Documentation" /> Protocols > WebServices >

People who buy Apple iOS devices have two pain points: 1. Apple's memory is too small, and 2. The system is too closed. The first problem is that many students who are not very familiar with iOS devices can buy iOS devices with a capacity of 1000 or even several thousand yuan. This article introduces several software to completely solve these problems. Of course,

Document directory Ios6: New Features of iPhone 5 and ios6 IPhone 5: 1. New screen size new screen size Resolution: 1136 × 640,326 DPI. 2. New simulator new Simulator The xcode 4 tool contains the iPhone 5 simulator. Ios6: 1. File uploads and camera access with media capture and file API file upload, support for media capture camera access and file API2. Web

The iOS 6 SDK has changed the previous method of controlling uiviewcontroller. To be compatible with iOS 5 and iOS 6, you need to make necessary adjustments to the code. Because the structure of each application is different, I only talked about the application structure of uitabbarcontroller + uinavigationcontroller in this article. In addition, I listed some so

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