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Stock Image. Used Condition: Good Soft cover. Save for Later. About this Item The book has been read but remains in clean condition. All pages are intact and the cover is intact. Some minor wear to the spine. Binding: Paperback Book Condition: Good. Mobile applications are creeping in everywhere, starting with smartphones and tablets, to smart watches, and soon be found in other wearables, too. However, developing for each separate mobile platform can be an exhaustive task, especially if your resources are limited, or if you are a single developer rather than a mobile app development company.
In , a startup called Nitobi created PhoneGap, an open source API for accessing native mobile resources, with the goal of enabling developers to create mobile applications using standard web technologies. What happened was, Adobe acquired Nitobi in , and donated the open-source core to the Apache Software Foundation, who rebranded it Apache Cordova.
You can consider Cordova to be an application container with a web view, which covers the entire screen of the device. The web view used by Cordova is the same web view used by the native operating system. As mobile devices evolve, adding support for additional hardware is simply a matter of developing new plugins. Finally, Cordova applications install just like native applications. If you put enough effort into the development process, your users might not even realize that they are not using a native application.
App & Browser Testing Made Easy
It is usually recommended to start with the cross-platform development workflow, since switching to platform-centered development is fairly straightforward. However, if you initially start with the platform-centered workflow, you will not be able to switch to cross-platform development since the CLI will overwrite your customizations once you run the build process. Before installing and running anything related to Cordova, you will need to install the SDK for each platform that you intend to build your application for. We will focus on the Android platform in this article; however, the process involving other platforms is similar.
You should download the Android SDK found here. After you installed the SDK android command will become available in your command line. After that you will be able to create an emulator with android avd.
Cordova CLI depends on Node. You will be using npm to install Cordova CLI itself as well as for installing additional plugins, and Cordova will use git behind the scenes in order to download required dependencies. Finally, run.
HTML5 Web Development Support
Provided you have successfully installed Cordova, you should now have access to the Cordova command line utility. Open your terminal or command-line, and navigate to a directory where you would like to create your first Cordova project. To bootstrap an application, type in the following command:. The command line consists of the name of the command cordova , following by the subcommand create.
The subcommand is invoked with three additional parameters: The folder where the application will be placed, the namespace of the application, and its display name. This bootstraps the application in a folder with the following structure:. The www folder contains your application core.
This is where you will place your application code which is common for all platforms. While Cordova allows you to easily develop an app for different platforms, sometimes you need to add customizations.
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At this point you can also open up the config. Upon inspecting the platforms directory, you will notice the android folder within it. For each platform that you add, Cordova will create a new directory in platforms and duplicate the www folder within it.
However, remember that if you rebuild your application with the CLI used for cross-platform development , Cordova will overwrite the changes you have made for each platform, so either make sure you have them under version control, or you do platform-specific changes after you have finished with cross-platform development. As we mentioned earlier, moving from cross-platform to platform-specific development is easy.
Moving in the other direction is not. If you want to keep using the cross-platform workflow and still make platform-specific customizations, you should use the top-level merges folder. From Cordova version 3. This way, you can either add new source files for certain platforms, or you can override entire top-level source files with platform-specific ones. Take the following structure for example:.http://leondumoulin.nl/language/comedy/christmas-eve-off-main-street.php
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In this case, the output file for Android will contain both the app. At this point, you should only have the android. Let us build the application and deploy it to an Android device. You can use the emulator too, if you want. Cordova provides several CLI steps for building and running your apps: cordova prepare , cordova compile , cordova build which is a shortcut for the previous two , cordova emulate and cordova run which incorporates build and can run emulator too.
This should not confuse you, because in most cases you would like to build and run your app in the emulator:. If you want, you can plug your device in through the USB port, enable USB debugging mode and deploy your first Apache Cordova application straight to your device simply running:. The entire demo can be found in this GitHub repository so that you can download it and go through parts of it along with this short Cordova tutorial.
We will use the initial setup you created and add additional code. Open up index. Notice that I have added Bootstrap and jQuery Mobile as dependencies.
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You can download the stylesheets from GitHub or use your own, if you prefer. This way, all of the resources are only loaded once when the app starts, and can stay in the web view for as long as the application is running.