Page 86 - KEC Khaitan C5 Flipbook
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They serve specific purposes, like input, output, or navigation.
IMPORTANCE OF UI COMPONENTS IN MIT APP INVENTOR
Following are the importance of UI components in MIT App inventor:
Ease of Use: UI components are easy to customise, making app development accessible
for beginners.
Rapid Prototyping: Quickly test and iterate app ideas with a variety of pre-built UI
elements.
Customisation: Tailor the appearance and behaviour of components to fit your app’s
needs.
Interactivity: Enable user interaction, data input, and trigger actions within the app.
Consistency: Standard components ensure a uniform design across the app.
Accessibility: Components can be designed for a wider audience, including those with
disabilities.
Integration with Logic: UI components work with backend logic to create dynamic apps.
Cross-Platform Compatibility: Components are optimised for both Android and iOS
devices.
TYPES OF UI COMPONENTS
MIT App Inventor has 14 categories of components. Out of them,
User Interface category contains the most commonly used UI
components:
Button: It allows users to perform an action when clicked.
Checkbox: It allows users to make a selection or toggle between
two states: checked or unchecked.
CircularProgress: It represents progress of an action in a circular
format.
DatePicker: It allows users to select a specific date using a pop-
up calendar interface.
Image: It allows users to display icons, images, logos on the app.
Label: It lets uses display text on the app, like instructions,
headings, or messages.
LinearProgress: It is used to display progress in a linear format,
such as a horizontal bar.
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