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Viewer Pane                        Components Pane
















                  Palette Pane












                                                                                                     Properties Pane
                  The important sections of the project designer window are:

                       Palette Pane: Contains components like buttons and images to add to your app.
                       Viewer Pane: The white area to arrange and view components.

                       Components Pane: Lists all added components in a hierarchy.
                       Properties Pane: Shows and lets you change the properties of selected

                      components.





                          TYPES OF UI COMPONENTS


                  User Interface (UI)  components  are the
                  visual elements that users can see and

                  interact within your app. It provides a wide
                  range of UI components that you can drag

                  and drop to design your app.
                  Here’s a list of the most commonly used UI

                  components in MIT App Inventor:

                  1.  Buttons: Triggers an action when
                      tapped,  like  opening  a  screen  or
                      showing a message.


                  2.  Label: Displays text such as messages or instructions.





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