Learn ONSEN-UI with Real Code Examples
Updated Nov 23, 2025
Installation Setup
Install Node.js and npm/yarn
Install Onsen UI via npm (`npm install onsenui`) or include CDN
If using a framework, install corresponding bindings (e.g., `react-onsenui`)
Set up Cordova or Capacitor for native builds
Run app in browser or mobile simulator/device
Environment Setup
Install Node.js and npm/yarn
Install framework CLI (React/Angular/Vue)
Install Onsen UI and bindings
Set up Cordova or Capacitor for native deployment
Run app in browser and on devices
Config Files
package.json - dependencies and scripts
index.html - app entry point
src/ - app source code
www/ - Cordova/Capacitor output
node_modules/ - installed packages
Cli Commands
npx create-onsen-app MyApp
npm start - run in browser
npm run build - build web app
cordova run android - build and run on Android
cordova run ios - build and run on iOS
Internationalization
Use i18n libraries for text localization
Support RTL and LTR layouts
Localize dates, numbers, and assets
Centralize translations in a resource file
Ensure component-level localization support
Accessibility
Follow web accessibility standards
Use semantic HTML and ARIA roles
Ensure keyboard navigation
Test screen readers
Platform-specific accessibility support via bindings
Ui Styling
Use Onsen CSS classes and platform themes
Custom styles via CSS/SCSS
Responsive design using Flexbox/Grid
Platform-specific adjustments automatically handled
Reusable style modules and themes
State Management
Local state via framework (React useState, Angular services, Vue reactive data)
Global state via Redux, Vuex, or NgRx
Ensure state updates propagate to UI components
Optional integration with RxJS for reactive updates
Maintain cross-page state for navigation
Data Management
Fetch data via Axios, Fetch, or framework HTTP client
Persist data locally using localStorage or IndexedDB
Use Cordova/Capacitor plugins for SQLite
Handle JSON encoding/decoding
Synchronize state between pages/components