O'Reilly logo

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

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

The List Block

In App Inventor, we will be using the blocks in the Lists menu (see Figure 6.1). For reference, an entire list of the different list blocks is located on the App Inventor support site.

Image

Figure 6.1 The list blocks.

You can expand or shrink some of the list blocks by clicking the gear in the upper-left corner (refer to Figure 6.1). This enables you to add smaller blocks to the larger block (see Figure 6.2).

Image

Figure 6.2 The make a list block, with the item-adding menu (called a mutator) open.

For example, consider the make a list ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required