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    TEST YOUR APP

                     To test your app, go to the connected device or Emulator and click on the button. Your
                     phone will read the phrase aloud. Keep the volume of your phone/laptop high.

                            REVISIT

                       ▶ Apps or Applications are software that run on mobile phones, computers, tablets, etc.
                       ▶ Mobile apps are divided into three types: Native Apps, Web Apps and Hybrid Apps.
                       ▶  Apps that are developed for a specific platform (Operating System) and device are called
                         Native apps.
                       ▶  Web-based apps on mobile phones are apps that you open in your phone’s web browser
                         instead of downloading them from an app store.

                       ▶ Hybrid apps are apps that are a combination of both native and web apps.
                       ▶  Mobile apps are divided into three types: Native Apps, Web Apps and Hybrid Apps which
                         is used to create apps for smartphones.

                       ▶  Block Editor is the place where we code the components added in the Design Window and
                         instruct them about the actions to be performed by them.
                       ▶   Built-in blocks contains all the predefined blocks in the application. They are responsible for
                         handling operations like Math, Text, Logic and Control.
                       ▶  Component blocks contains relevant blocks for the components we have added in the
                         Design window.

                       ▶  Workspace arranges all the blocks for coding in the workspace.
                       ▶  Trash It is used for deleting blocks that are not required.
                       ▶  Backpack stores the copy of all the blocks even when we exit App Inventor.

                                                                                     Introduction to Mobile Apps and MIT  89

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