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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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Summary

Lists are a powerful and versatile tool for programming. They can help you keep track of any number of entries, or they can work as small data structures to organize related pieces of data. You can grow or shrink them, select them, print them, and manipulate them in many other ways.

The Android Quiz app makes use of lists and can serve as a practical example for further exploration. If you still find the list-making process somewhat fuzzy, you might want to review the steps in this app. In future apps with larger data sets, you will see that efficient use of lists is important.

This chapter covers many concepts and techniques. You might have to read through it multiple times as your App Inventor skills grow before everything sinks in. ...

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