December 2014
Beginner to intermediate
240 pages
6h 54m
English
book
Learning MIT App Inventor: A Hands-On Guide to Building Your Own Android Apps
by Derek Walter, Mark Sherman
Content preview from Learning MIT App Inventor: A Hands-On Guide to Building Your Own Android Apps
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TinyDB
As previously mentioned, two components are used to manage databases: TinyDB and TinyWebDB. TinyDB is used to store persistent data on the Android device itself. This is important for apps when the user has no need to share the data with another person or device (and the data presents no security risk).
Both TinyDB and TinyWebDB are found in the Blocks Editor with the other storage components (see Figure 11.1).
Figure 11.1 Storage components in the Designer.
With TinyDB, the data is stored directly on the device and is available for your app. For example, if you program an app to provide an automatic response to a button press or some ...
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