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Components Pane: This pane shows a list of all the components added to the screen in a

                     hierarchical view.
                      Properties Pane: When we click on a component in the viewer, we see its properties listed
                     here. Properties of the components can be changed from here.
                  Creating a Talking App

                  In the Project Designer window, we will design the interface by choosing buttons, images or text
                  boxes and specify the functionalities of our app.

                  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:


                      1  Click on the        2  Click on AI Companion
                                                                                         3  Open MIT A12
                      Connect menu.         from the drop-down list.
                                                                                        Companion on your device
                                                                                        and connect by scanning the
                                                                                        QR code or typing the code
                                                                                        displayed on your screen.





















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