Ionic Capacitor

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Ionic Capacitor
Ionic Capacitor is a cross-platform app runtime that makes it easy to build web apps that run natively on iOS, Android, Electron, and the web.
From 07-05-2021 this project uses Capacitor 3.
We strongly recommend to use Capacitor. However, if you are not ready yet, don't worry, you can still use Cordova. 
What is Ionic Capacitor?
Capacitor is a cross-platform app runtime that makes it easy to build web apps that run natively on iOS, Android, Electron, and the web. It was created -and is maintained- by the Ionic team.
Capacitor can work with any web project, it’s not specific to Ionic apps.
It provides a consistent, web-focused set of APIs that enable an app to stay as close to web-standards as possible, while accessing rich native device features on platforms that support them. It has full support for PWAs.
It's a spiritual successor to Apache Cordova and Adobe PhoneGap. Its mantra is "Code once, configure everywhere". We love working with Capacitor because the developer experience is incredibly good.
Learn more about What is Ionic Capacitor.
How to use Capacitor to deploy your apps?
The Capacitor workflow involves a few consistent tasks:
​Develop and build your Web App​
​Sync your project​
​Run your project​
​Periodic Maintenance​
iOS Platform
This app has an iOS folder which contains the iOS native app. Read how to build this app for iOS.
Android Platform
This app has an Android folder which contains the Android native app. Read how to build this app for Android.
How to build the project with Capacitor?
Follow the steps from the Capacitor Workflow.
1. Develop and build your Web App
You must build your Ionic project at least once before adding any native platforms.
ionic build
This creates the www folder that Capacitor has been automatically configured to use as the webDir in capacitor.config.json. 
Because our project uses SSR, we don’t have www folder. We instead have to use dist/app/browser and change it in capacitor.config.json
Both android and ios folders at the root of the project are created. These are entirely separate native project artifacts that should be considered part of your Ionic app (i.e., check them into source control, edit them in their own IDEs, etc.).
2. Copy your Web Assets
When you are ready to run your app natively on a device or in a simulator, copy your built web assets using:
npx cap sync
3. Open your Native IDE
Capacitor uses the Native IDEs to build, simulate, and run your app. To open one, run:
npx cap open
4. Update the native project
In some cases, the Capacitor app needs to be updated, such as when installing new plugins.
To install new plugins (including Cordova ones), run:
npm install really-cool-plugin
npx cap update
5. Updating Capacitor
To check if there are any new updates to Capacitor itself, run npx cap doctor to print out the current installed dependencies as well view the latest available.
To update Capacitor Core and CLI:
npm install @capacitor/[email protected]
npm install @capacitor/[email protected]
To update any or all of the platforms you are using:
npm install @capacitor/[email protected]
npm install @capacitor/[email protected]
See how to do this in the following video.
Build your app for iOS with Capacitor 
Ionic Capacitor vs Cordova
There are two main major points when doing a Cordova vs Capacitor comparison: Native Project Management and Plugin and CLI Management. In our Ionic Capacitor tutorial we go through each of them to see the main changes and their benefits.
How to remove Capacitor and use Cordova?
We use and strongly recommend using Capacitor, the developer experience is SO MUCH better than it was with Cordova. However, in this section, we will show you how to remove Capacitor and add Cordova if you are not yet ready to use it.
Delete ios, android and .gradle folders
Delete capacitor.config.json
Run: ionic integrations disable capacitor
Run: ionic cordova platform add ios
Run: ionic cordova platform add android
You will have to change the Capacitor plugins for Ionic Native plugins.
Install Ionic Native by running:
npm install @ionic-native/core @ionic-native/status-bar @ionic-native/splash-screen --save
Go to app.component.tsand do the following:
Remove: 
import { Plugins } from '@capacitor/core';
const { SplashScreen } = Plugins;
Add:
import { SplashScreen } from '@ionic-native/splash-screen/ngx';
import { StatusBar } from '@ionic-native/status-bar/ngx';
import { Platform } from '@ionic/angular';
Change the initializeApp() method for the following code:
initializeApp() {
    this.platform.ready().then(() => {
      this.statusBar.styleDefault();
      this.splashScreen.hide();
    });
  }
Add the following parameters to the constructor:
  constructor(..., 
    private platform: Platform,
    private splashScreen: SplashScreen,
    private statusBar: StatusBar)
Now go to app.module.ts and add the following:
import { SplashScreen } from '@ionic-native/splash-screen/ngx';
import { StatusBar } from '@ionic-native/status-bar/ngx';
Then add them as providers of the module:
  providers: [
    StatusBar,
    SplashScreen,
    ...
  ],
Now if you run ionic serve everything should work fine.
We use Share and Geolocation plugins from Capacitor. If you want those features to work in your Cordova app, you need to change the implementation using the respective Ionic Native plugins.
Now you can safely remove the Capacitor dependencies from your package.json.
npm uninstall --save @capacitor/android
npm uninstall --save @capacitor/cli
npm uninstall --save @capacitor/core
npm uninstall --save @capacitor/ios
Ionic Capacitor Plugins
Web apps can access the full power of Native APIs with plugins. Plugins wrap common native operations that might use very different APIs across platforms while exposing a consistent, cross-platform API to JavaScript.
Find examples of how to add Ionic Capacitor Plugins to your project.
How to use this template?
Ionic Code Structure
Last modified 9mo ago
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Outline
What is Ionic Capacitor?
How to use Capacitor to deploy your apps?
How to build the project with Capacitor?
Ionic Capacitor vs Cordova
How to remove Capacitor and use Cordova?
Ionic Capacitor Plugins