iphone ios

During IOS development, we sometimes restrict some of the controls that come with the system, but cannot achieve a better user experience. Today we will introduce our own UICombox controls, first, let's take a look: This is our custom control, which enables you to click the input box to bring up the data picker effect. First, let's sort out our ideas. UICombox looks like UITextField, but there is a small image next to it. Then we can inherit UITextFi

1. App size, remove status barCGRect r = [UIScreen mainscreen].applicationframe;r=0,20,320,4602. Screen sizeCGRect rx = [UIScreen mainscreen].bounds;r=0,0,320,4803. Status bar SizeCGRect rect; When there is a navigation bar, the height of the navigation bar is 44, then the height of the entire view is 320-44-the height of the status bar4. How to get screen resolution in iphoneCGRect rect == = = Size.Height;Report:Also, when designing the UI, pay attention to the user's smallest touch area. Ther

Icon icon.png–57x57 iphone App icon icon@2x.png–114x114 iPhone Retina Display application icon icon-72.png–72x72 ipad app icon icon-72@2x.png-144x144 iPad Retina Display application icon icon-small.png–29x29 IPhone System Setup and search results icon icon-small@2x.png–58x58 iPhone Retina Display System setup and sear

we can share data between iphone and Apple Watch via app groups. Here's how:The first thing to do is add a new app group to Dev Center:Next, create a new single view application, named Sharingdatademo:Add three controls to the main interface: TextField, button, and label.Use Nsuserdefaults to save user-entered content in a button's Click event:Note Suitename must match the identifier ID of the app group defined in Dev Center.Next add Watch: Select the

Today in the project shipped to this question, is in the original xib is suitable for all the iphone screen, but now it is necessary to adapt to the iphone also to adapt to the ipad, make a very big, now in order to achieve this effect, the boss gave me two ways, is on the basis of xib modified, Directly on the code, not much to say.The first way: Modify the Xib file (source code)1. This thing will appear i

Recently because of the need for work. Because of the short time period of developmentDevelopment needs to be performed on iphone and ipad platformThe version number of the advantage1. installation package, easy to manage, distribute2. You download Iphone,ipad will download the initiative yourself3. Pass the audit once, save time on lineDisadvantages of a version number1. The installation package is very la

Copy main.storyboard, rename to Main_ipad.storyboard Add in the Info.plist file Main Storyboard File base name (IPAD)--Main_ipad Main Storyboard file base name (IPhone)---Main Main Storyboard file Base name--> Main Right-click main_ipad.storyboard--> Open as--> Source code, search Targetruntime, modify to Targetruntime= "IOS.CocoaTouch.iPad" Select item,general--> Deployment info--> Devices Cha

3.3.2 view flip AnimationClick the button in the lower-right corner of the main view to flip the main view to the back view. Click the Done button in the back view to return to the main view. In iOS, this is a view jump Method with animation effects. In this application, a root controller is used to control the controller of other controllers) RootViewController to control the main View Controller MainViewController) and the behind View Controller Fli

Http://stackoverflow.com/questions/2524326/how-to-test-an-iphone-application-update I already have an iPhone application (version 1.0) available in the App Store and am ready to submit a newer version (Version 1.1 ). how do I test the new upgrade to make sure that the current SQLite database and property list files on the earlier version do not get deleted/overwritten etc? The new version assumes the old d

Original article: cocoa and DOTNET One rowCodeShow your location Mapkit in IOS integrates the positioning function. You can use a line of code to display your current location on Google map. The Code is as follows: -(Ibaction) showlocation :( ID) sender {If ([btnshowlocation titleforstate: uicontrolstatenormal] isequaltostring: @ "show my location"]) {[btnshowlocation settitle: @ "hide my location" forstate: uicontrolstatenormal]; mapview.

I just created a function to shake the iOS device and trigger some experience. Now I searched the internet and read the development documentation. I feel that there are too many bad articles on the Internet, there are also a lot of articles that are reproduced and copied blindly, and the Implementation Principles have not yet been clarified. Instead of having to go online for time-consuming searches, it is better to take a look at the development docu

The detailed setup steps for the iOS terminal connection to the wireless network are as follows: The first step , open the iOS terminal main interface, select and click the Settings menu, as shown in the following image: Step two : in setting The main interface, find a Wireless LAN ( or Wi-Fi). As shown in the following illustration:

You can use Openurl to open some programs, not just browsers. We will demonstrate these applications in the following example:Open a browserOpen Google MapOpen emailDialerText messaging programOpen appstoreLaunch Google MapsThe URL format to GoogleMap is:Http://maps.google.com/maps? Q =$ {QUERY_STRING}You can change QUERY_STRING to change the location information: Nsstring * searchquery = @ "The Postion I want to know ";Searchquery = [searchquery stringbyaddingpercentescapesusingencoding: nsutf8

Knowledge point: (1) Image View Control The current method is pokerImage. image = [UIImage imageNamed: @”picturename.png "]; Note: + (UIImage *) imageNamed :( NSString *) nameThis method is used to search for images with supplied names in the top-level folder of application bundle. If you find the image, load it to the iPhone system to cache the image. This means that the image is (theoretically) stored in the memory as a cache, which is directly r

The following are some of your friendly support: Made a product, need popularity support a bit, Android and iPhone 91 market search # super junior mission #, or directly to the page to download the http://m.ixingji.com/m.html? P = x16 JSONIs the current popular data format, andXMLCompared,JSONMore clever. When the metadata is the same,JSONIn most casesXMLThe transfer case is small.JSONPerformance ComparisonXMLFast. InIPhone cocoa touch frameworkNot i

recommended by Apple, which is better than bitmapcontext because it seems to be accelerated using the iPhone hardware (drawing-card ). Cglayerref CG = cglayercreatewithcontext (CTX, cgsizemake (320,480), null); // you need to use cglayercontext as the cache context. This is a required cgcontextref layercontext = cglayergetcontext (CG ); cgcontextdrawimage (layercontext, cgrectmake (160,230,160,230), IMG); cgcontextdrawlayeratpoint (CTX, cgpointmake (

The client uses the iPhone application, and the screen is relatively simple. Click the send button to send some strings to the server. Click the receive button to read some strings from the server and display them on the screen. The UI section of the client application is not introduced anymore. Let's look at the code section directly. The Socket Client can adopt CFStream or NSStream. To introduce more knowledge to readers, we use NSStream in this ex

Client we use the iphone application, the screen is relatively simple. Click the Send button to send some strings to the server past. Clicking the Receive button reads some strings from the server and displays them on the screen. On the client application of the UI section is no longer introduced, we look directly at the Code section, the socket client can be implemented Cfstream or nsstream, Cfstream implementation and server-side basic. In order

stringwithcontentsofurl:ipurl encoding:1 error:error];Return IP? IP: [Error localizeddescription];} This is the IP address to get the local WiFi Matt Brown ' s get WiFi IP addy SolutionAuthor gave permission in cookbook under cookbook licenseHttp://mattbsoftware.blogspot.com/2009/04/how-to-get-ip-address-of-iphone-os-v221.html-(NSString *) localwifiipaddress{BOOL success;struct Ifaddrs * ADDRS;const struct IFADDRS * CURSOR;Success = Getifaddrs (addr

, () inside, after the comma has 1 spaces, outside the brackets, leave 1 spaces, and then declare the property4, after the method +,-, and () there are 1 spaces between5, there are 1 spaces between the return type and *, and 1 spaces between the return type and * in the method parameter6, multi-parameter method, each parameter is followed by 1 spacesThree, about Boolean values1, do not use if (Obj==nil) {}, and if (!obj) {}2, you can avoid errors by putting the constants in front of the comparis