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Adding a Button
Drag and drop a Button from the Palette pane to the Viewer pane.
Testing the App
App Inventor allows us to test our app while creating. To test your app, connect your android device
to the Internet and download MIT AI2 Companion. Then, follow the given steps:
Step 1: Click on the Connect menu.
Step 2: Select AI Companion from the drop-down list.
Step 3: Open MIT AI2 Companion on your device and connect by scanning the QR code or typing the
code displayed on your screen.
Make sure your device and computer are connected to the same wireless network to perform these
steps.
If you do not have any android device, you can download Emulator on your computer which works
just like an Android device but works on the computer. The commonly used Android Emulators are
Android Studio, LD Player, Make Your Own etc.
App Development 81

