json for mobile application

For mobile web terminals, you need to know the application of devicePixelRatio in terms of devicepixelratio and devicePixelRatio. What we are talking about heredevicePixelRatioActually, it referswindow.devicePixelRatioSupported by all WebKit browsers and Opera.Concept DevicePixelRatioIt is the ratio of physical pixels on the device to device independent pixels (device-independent pixels (dips), that is, dev

Hello, I can see that the new version of RAD Studio XE6 has a new mobile development feature. After installation, FireMonkey Mobile Application cannot be found, so that I cannot perform IOS/Android development. Why? What should I do? I have Delphi XE6 but do not have an option to build a FIremonkey Mobile App. Why?

agent information has content, if there is a WAP mode READAPN (context);//Determine which APN is selected} if (!iswifi !ismobile) { return false; } return true; }/** * APN is selected, the agent information is content, if there is a WAP way * * @param context */PR ivate static void Readapn (context context) {Uri Preferred_apn_uri = Uri.parse ("Content://telephony/carriers /PREFERAPN ");//4.0 simulator screen out this permission//operation contact simila

Crossapp is a fully open source, free, cross-platform mobile application development engine based on the most relaxed MIT open source protocol, so developers can use Crossapp to develop any commercial project completely free of charge and with no worries, and the official will provide a free 8-hour online page question-and-answer service every day. The rate of feedback for each question was about 30 minutes

BrewThe auto-install application service is dominated by the carrier. It is a technical promotion method to automatically install the application on a specified user's mobile phone through the background download server. Currently,Brew3.xMobile phones of different versions and later versions Support automatic installation. For DevelopmentBrewAutomatically install

fully open source.In fact, I do not think that the process of open source is a fundamental mistake. I would be happy to discuss it with you if you think so, but allow me to put that discussion on another topic.Because if you are interrupted by this discussion, you may miss the discussion we have today on how to write the current trend of native mobile apps through react native. The biggest change is that it's more like writing a Web application.I hav

Detailed analysis of mobile application encryption tool instances With the popularization of the mobile Internet, more and more mobile applications are falling into the security door, and various information leaks and hacking storms emerge one after another. More and more hackers are eyeing

Article Description: the promotion channel of mobile application. "Editor's note" This article extracts from the " Geek observation: a way to promote mobile Internet applications"The article, the author for Oakmikeoak, has changed. "I don't know how to get on the charts," Fred Wilson said in the article " occupy the app Store". We didn't open the app St

In the Windows Mobile Application, select the Icon size In Windows Mobile applications, how does one correctly select the Icon size? This will make our applications look more friendly and beautiful. However, there is no specific document to describe this issue. Fortunately, two days ago, Mel Sam wrote a article titled "which icon sizes shoshould I use in my

Ck2104-angular JS Imitation pull hook net WEBAPP Development Mobile single-page applicationEssay background: In a lot of times, many of the early friends will ask me: I am from other languages transferred to the development of the program, there are some basic information to learn from us, your frame feel too big, I hope to have a gradual tutorial or video to learn just fine. For learning difficulties do not know how to improve themselves can be added

In Windows Mobile systems, users can access control Panel applications by setting them, and software developers can access some of the control Panel's information through the API functions provided by Windows Mobile, such as adding a control panel to the application. The Control Panel application is implemented as a D

For ease of development, a brew-based mobile value-added service generally needs to develop its Simulator version first. After debugging on the simulator, then, use the cross compiler to compile the code into the target code executed on the target mobile phone and complete the test on the mobile phone. The following uses the integrated development environment of

HTML5 is suitable for mobile application development.1. offline caching provides HTML5 Web Storage APIs for HTML5 mobile app development. They can be seen as enhanced cookies without data size restrictions, providing better elasticity and architecture, data can be written to the ROM of the local machine, and the data can be restored when the browser is closed aga

72ppi (pixels/inch) .There are no explicit rules for the size of the navigation bar, toolbar, etc. in the Android specification. But according to the 48DP principle, as well as some mainstream Android application analysis, summarize the size requirements:status bar height: pxnavigation bar, Action Bar height: px=48dp x 2main Menu bar height: pxcontent Area Height: 1038 px (1280-50-96-96=1038)Android recently out of the

Product Introductionsi Jie(Citrix)delivers enterprise-class mobile application management in its comprehensive enterprise mobility solution(MAM)function. XenMobile MAMversion byCloudgatewaydevelopment. CloudgatewayIt was Scarlett who enteredMAMthe Springboard. All features of the product areXenMobileof theMAMversion, now calledAppversion, Citrix also has an Enterprise Edition with full functionality. XenMob

Official documents: http://ionicframework.com/docs/v2/ Ionic (Ionicframework) is a near-native HTML5 mobile app development framework. Ionic is currently the most potential HTML5 mobile phone application Development framework. Building an application through SASS, it provides a number of UI components to help develope

1, we in the mobile phone standby state Press the "Home screen" key about 2-3 seconds later will appear a list. 2, then we click on the "Task Manager" icon. 3, after entering the interface to find "active application." 4. If you want to end a program running in the background, click on the right side of the program "End"; You can also click "End All". 5, click "OK" can be run in the backgrou

characteristics of the reading behavior of the new design, so that it more in line with the user's reading habits. Only in this way can we fully excavate the potential of the barrage function, so that it is accepted by more users, rather than being abandoned after a period of hot time. (New discoveries of science and Technology, Constantine/Wen)If you need to reprint this article, please contact qq:102927545 and indicate the sourceNew technology Discovery official public number: KEJXFXThis arti

Each application must have a valid digital signature (. Sig file) file to run on the target mobile phone. There are two types of digital signature files: · Test signature: this is provided for registration developers' requests. A test Signature allows any application to run on a single device and only on this device. When applying for a test signature, you must p