sqlite tutorial ios

This article is designed to help beginners quickly build the iOS version of Baidu Map, the official website has related tutorials, but too old, now Xcode has been updated to 4.6, his tutorial should be before 4.3. It is estimated that the novice will encounter errors when building, follow my tutorial step-by-step, to ensure that you spend the least time, rapid ma

In the sandbox mechanism for iOS development, we learned how to view the sandbox content of the emulator. Go directly to the folder in Finder->, enter: /users/ligang/library/application support/iphone simulator/ This allows you to view the sandbox contents of the emulator. In peacetime development, we should mostly use the real machine test. If you need to manipulate the files in the sandbox, we can determine whether the file operation is correct

appropriate location, such as: (4) Mapping File reference header file problem In our custom mapping file, it is necessary to refer to the CPP file under the Classes folder in the project, if here we just write #include "xxx.h" in iOS is no problem, but at compile time, You will also be prompted not to find this xxx file. The need to add here is the full path of the file, such as you want to introduce the Xxx.h file, find this file, right-clic

or iOS platform can be perfectly compatible, small details, it is estimated that everyone will understand.Two. Simple introduction and use of Platform componentsSometimes we differentiate between platforms, such as top-up, adaptation issues, access to a third-party SDK, or interaction with native platform components, and so on.At this point we need to provide the Platform components of RN ~ The use is very simple, not much to repeat.Example:Code Snip

]; [Self.socket writedata:datastream withtimeout:1 tag:1]; Receive DataIn order to receive the message of the socket at all times, we read the data in the long connection method [Self.socket readdatawithtimeout:30 tag:0]; If the data is obtained, the callback method is called -(void) Onsocket: (Asyncsocket *) sock didreaddata: (NSData *) data withtag: (long) tag{//To parse and convert the resulting data value [Self.socket Readdatawithtimeout:30 tag:0];} 4. Simple use instructions We in the user

previous item name and replace it with the new item name:Note: Just replace the comment here, the real project setup requires us to do it manually.11) Global Search for the old item name comes out of the interface, we click in to change the name:Click to automatically jump to this interface, double-click the value of the change (the following steps to rename the same):After the changes, you have to change something. Don't ask why it's so troublesome, just because of caprice.Note: Continue the g

copy-paste it, if you would like to read a copy of Ah ... Quack, it's easy to make a mistake Oh!6. Last step, configuration file. Click Provisioning Profiles---YES! That's right! Click on the "+" in the upper right corner as shown below ... Or look at the figure is intuitive, said more than look at the picture:(1). Select the profile type you want(2). Select an app ID(3). Continue---Select a certificate(4). Select the device. You may just one, tick it ...(5). Go ahead--Give your project a loud

) Click Save to set a password for the. p12 file.Then locate the. p12 file in the storage Path v. Development of push and processing of production certificatesAbout push development and production certificates: 1. Double-click to install the certificate (. cer) into keychain access; 2. Export the. p12 file according to the process of exporting. p12 files, 3. Pass the password on the. p12 file and file to the third-party push platform. OK, the article ended here, if found to be wrong place welcom

describing "title=" "/>and import the resource file into it.650) this.width=650; "Src=" http://img.blog.csdn.net/20170503154836861?watermark/2/text/ ahr0cdovl2jsb2cuy3nkbi5uzxqvtg92zvnub3cwmjiw/font/5a6l5l2t/fontsize/400/fill/i0jbqkfcma==/dissolve/70/gravity/ Southeast "alt=" here to write a picture describing "title=" "/>Then just pack it up.Note: You may have questions about why you should use bundles and not just put them in. A. Because the path is not readable when you put the package direc

requires us to do it manually.11) Global Search for the old item name comes out of the interface, we click in to change the name:Click to automatically jump to this interface, double-click the value of the change (the following steps to rename the same):After the changes, you have to change something. Don't ask why it's so troublesome, just because of caprice.Note: Continue the global search substitution until the old name is not found in the global search!12) Open the project folder and contin

Prepare a picture in advance:UIImage *image = [UIImageimagenamed:@ "red.png"];This can be used before iOS 5.0: nsinteger leftcapwidth = image. size . width * 0.5f ; nsinteger topcapheight = image. size . Height * 0.5f ;image = [Image stretchableimagewithleftcapwidth: leftcapwidthtopcapheight : topcapheight];This can be used in iOS 5.0:cgfloat top = 8;// Top Cover HeightCGFloat bottom = 8;// Bottom C

"notice before Escape" The computer system needs Mac OS X (10.8) or above; 1. Please back up your equipment data before escaping from the prison to avoid loss 2. This jailbreak is compatible with 64-bit iOS 9.1 devices (that is, the iphone 5S, ipad mini2 ipad Air and above; iOS 9.2.1 doesn't support this jailbreak) 3.OTA upgraded Apple device, it is recommended to turn off looking for the iphone before

When it comes to Apple's developer account, we need to differentiate between three types of personal accounts, company accounts and business accounts, and one is an education account, which is not much to say.Personal account: The account used for the development of the Apple app is for personal use only and is easy to apply.Company account: In the name of the company to apply for the developer account, for the company's internal developers share, the application process is relatively troublesom

switching, adding an old scene from the middle to the sides open, the new scene from the rear to the screen near the transition animation. The specific steps are as follows:Open the Gamescene.swift file, delete the code in Touchesbegan (Touches:nsset, withevent event:uievent), write code in it, implement the function of the touch screen display newgamescene scene , the code is as follows: Override Func Touchesbegan (Touches:nsset, withevent event:uievent) { var nextscene=newgamesce

IOS 11 Development Tutorial (ix) IOS11 data Cable Connection real-machine testAfter Xcode 7.0, Apple has made a lot of changes to its licensing rights and has removed some restrictions on testing apps. Prior to Xcode7.0, Apple only provided Xcode download and real-computer testing to developers registered for the developer account ($ 99 billing account), but after Xcode 7.0, developers did not have to sign

Sagit. Framework For IOS development Framework getting started tutorial 5: Message pop-up window STMsgBox,Preface: Yesterday I wrote an IT connection entrepreneurship article: IT connection entrepreneurship series: Product Design Q A module. (welcome to everyone !) I feel that I haven't written an article on IOS for a long time. Today I am taking the opportunity

IOS application resourcesThe management tutorial is the content to be introduced in this article. In ios development, you often need to deploy some resource files, such as videos, audios, and images.IosDevice, but by default, the system willResourcesCopy all to the mainBundle folder) directory, even if your resources are organized by folder. This problem is obvi

IOS framework production tutorial. This is not a static package !!! We Use A work und to create IOS Framework The preceding steps are as follows: 1. Open xcode to create a" Cocoa Touch static library, and delete the existing target. 2. Right-click the project and select Add new target. In the pop-up window, find cocoa and select "loadable bundle" in the righ

UpTo get the object moving, just add the things you created in step 3 to the view.[Self.yourView.layer pop_addanimation:anim forkey:@ "Typeanameforyouranimationhere"];This is a simple tutorial to create a pop action. You can look at examples to understand how to create a dynamic effect. Strive to become skilled.Step 6: Test the effectPop has associated file extensions as a test. The way to install the test file is to use the terminal to enter the pop

]; Self.interstitial.delegate = self; Note:edit INTERSTITIALEXAMPLEAPPDELEGATE.M to update//interstitial_ad_unit_id with your interstitial AD UNIT Id. Self.interstitial.adUnitID = interstitial_ad_unit_id; } -(void) preloadrequest {Cclog ("Pre load"); [Self initinterstitial]; [Self.interstitial loadrequest: [self createrequest]]; } Here we ' re creating a simple gadrequest and whitelisting the application For test ads. You should request test ads during development to avoid Gener