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Learning MIT App Inventor: A Hands-On Guide to Building Your Own Android Apps by Mark Sherman, Derek Walter

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Why More Than One Screen?

Apps rarely have all their content on one screen. For example, with news apps, you often must touch a headline or link to be taken to a second page.

Figure 8.1 shows an image from the Android Developer page that provides a sketch of the many factors to consider when developing apps. Users often enjoy interacting with vibrant, colorful icons. In addition, you should consider where the user will need to touch and ways to minimize the taps needed when navigating through an app.

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Figure 8.1 Visually compelling apps make for a better user experience.

The future of Android’s look is in what Google calls Material Design. ...

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