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The Project Designer window appears. It is divided into four panes:
Viewer Pane Components Pane
Properties
Palette Pane
Pane
• Palette Pane: On the left, there is a palette pane from where we can select components like
buttons, images, and other functions required for our app.
• Viewer Pane: To the right of the palette is the white area where we can view and arrange
added components.
• 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.
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App Development

