Learn MIT-APP-INVENTOR with Real Code Examples
Updated Nov 23, 2025
Installation Setup
Create an MIT App Inventor account
Access the web editor via browser
Install MIT AI2 Companion for live testing
Familiarize with drag-and-drop UI and blocks
Set project properties for Android
Environment Setup
Create MIT App Inventor account
Access web editor
Install AI2 Companion
Start new project
Configure screens and components
Config Files
Project settings stored in MIT cloud
Assets managed within project
Screens and components managed visually
Blocks define app behavior
APK exported contains full app
Cli Commands
Most tasks handled via web editor
AI2 Companion for live testing
Export APK for offline installation
Manage project assets and screens online
No CLI required
Internationalization
Supports multiple languages via text components
Dynamic switching between languages
Layout adjustment for RTL languages
Localized assets can be added
Maintain translations for education apps
Accessibility
Screen reader support
High-contrast visual options
Keyboard navigation on Android devices
Accessible event labels
Test across devices
Ui Styling
Drag-and-drop component customization
Use layouts for responsiveness
Set colors and themes visually
Add images, icons, and media
Basic animations supported
State Management
Screen-level state via blocks
Global variables for shared data
Data persistence via Firebase or local storage
Event-driven updates using blocks
No complex state management needed for simple apps
Data Management
Store app data in Firebase
Access local storage for offline data
Handle JSON from APIs
Offline caching supported via components
Secure sensitive data with Firebase