The Cordova Command Line Interface (CLI) does most of the heavy lifting for Visual Studio when you build and run a Cordova app. To make the process of installing and managing Cordova native code plugins easy, the CLI uses plugman, another command line tool. The CLI requires a specific folder structure, shown here. Most of this folder structure is mirrored by Visual Studio.
To leverage the CLI from the Visual Studio project, Visual Studio uses a CLI pre-processor called vs-tac, which is a Node.js (npm) package. The first time you build and run a project built using Visual Studio Tools for Apache Cordova, vs-tac installs Cordova, the Ripple Emulator, and other required dependencies. It is the job of vs-tac to accept a build, pre-process the Visual Studio project, execute the specified Cordova CLI build system command, and run (or emulate) the app.
When building, Visual Studio injects its own custom hooks into the project to enable features that the CLI does not support. Visual Studio automates the process of adding platforms (using the cordova platform add command) and installation/uninstallation of Cordova plugins (using the cordova plugin add command) based on user selections in Visual Studio. Visual Studio uses the CLI to build for the requested platform for the selected configuration (for example, cordova build android debug). CLI native platform projects and the Cordova CLI project itself are not intended for editing, so don’t add these projects to your source control. They are updated and edited by the build process. However, if you choose, you can use the generated native platform projects to get an exported copy of the project. Following are a few platform-specific details on the build and deployment process.
The CLI supports both building and running Android apps on Windows. To run the app on the Android emulator, Visual Studio runs the CLI command cordova emulate android. This command deploys the app to an already running emulator, or, if none are available, it starts up the last emulator that was created. To run the app on a connected Android device, Visual Studio runs the CLI command cordova run android. To configure your Android device or emulator, see Run Your Apache Cordova App on Android.
Because Windows cannot build an iOS app directly, Visual Studio uses a remote agent called remotebuild to build and run your app on a remote Mac machine. (You can build locally if you are using Visual Studio inside a Windows VM on a Mac.) To build for iOS, vs-tac prepares the CLI project in exactly the same way as it does for any platform, but for iOS it then transfers the contents over to remotebuild on the Mac. The remote agent unzips the contents, adds the iOS platform (with the command cordova platform add ios), compiles the iOS app (cordova prepare ios; cordova compile ios), and then transfers the resulting package (IPA) back to the Windows host machine. To configure the remotebuild and host Visual Studio for iOS build, see Install tools for iOS. To run apps on iOS, Visual Studio builds the app using remotebuild and then uses ios-sim to start up the simulator on the remote Mac machine. If you are running on an iOS device attached to your Mac, remotebuild starts the app directly (the ideviceinstaller must be installed from HomeBrew). If you run the app on an iOS device attached to Windows, Visual Studio builds and then adds the app to iTunes so you can deploy it to your device from Windows.
When building for Windows/Windows Phone 8.1 and 10, Cordova generates a Windows Runtime app (APPX). When building for Windows Phone 8, it generates a Silverlight (XAP) WebView app. These apps are launched in the same way as a native Windows 8 or Windows Phone 8 project in Visual Studio. For more information, see Run Your Apache Cordova App on Windows and Run Your Apache Cordova App on Windows Phone.
To make the Ripple build process to be as fast as possible, the CLI is used to generate the needed plugin code, but otherwise, Visual Studio provides the web content directly (instead of providing content from the generated native project). When you run the app, the Ripple emulator is initialized, and Chrome is started using a Ripple URL (for example, http://localhost:4400/index.html?enableripple=cordova-3.0.0-Nexus7 for the Nexus7 tablet device). All Chrome settings are stored locally to your Visual Studio instance so that your normal browser experience is not affected. For more information, see Run Your Apache Cordova App on the Apache Ripple Simulator.
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