Viewing the app using the Ionic CLI

So far, you have been testing the web app portion of Ionic. Most of the time, you will need to actually run the app on a physical device or at least an emulator to see how the app behaves and whether all native features work.

Getting Ready

You will need to have the emulator installed. iOS emulator comes when you do npm install -g ios-sim and the Android emulator comes with Android Studio. To test the app on a physical device, you must connect the device to your computer via a USB connection.

How to do it…

  1. Add the specific platform (such as iOS) and build the app using the following command line:
      $ ionic platform add ios
  $ ionic build ios

    Note

    Note that you need to do the platform add before building the app. However, ...

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