The Designer
When you open a project or start a new project, App Inventor will take you to the Designer. This window is a graphical editor where you can create the look and feel of your mobile app by choosing components (buttons, labels, images, and so on), layouts (horizontal/vertical alignments), colors, fonts, and more. The next screenshot is a layout of the Designer (with some helpful navigation hints):
The name of the open project is displayed in the upper-left corner. In the upper-right corner, you will see toggle buttons for the Designer and Blocks Editor (the Designer button is disabled at the moment, since we are currently in the Designer ...
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