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Buttons are not working to switch between screens - MIT App Inventor Help - MIT App Inventor Community
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Amazon.com: Become an App Inventor: The Official Guide from MIT App Inventor: Your Guide to Designing, Building, and Sharing Apps: 9781536219142: Lang, Karen, MIT App Inventor Project, MIT Computer Science and Artificial
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Amazon.com: Become an App Inventor: The Official Guide from MIT App Inventor: Your Guide to Designing, Building, and Sharing Apps: 9781536219142: Lang, Karen, MIT App Inventor Project, MIT Computer Science and Artificial
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