Time for action - developing specialized content views

In many situations, you'll need a specific type of interactive logic that you would want to reuse in many parts of your application. On a content screen, some parts of the display will need to be updated, driven by changes that are made to other parts of the display. This is often because while some area of the screen is giving the user information, the other parts are capturing new data from them. Next, we'll build a simple widget responsible for displaying an amount of money to the user. Its main reason for its existence is the fact that it not only animates between changes, but also feeds back to the user whether the amount has gone up or down by changing its color.

  1. Create a new Java source ...

Get Android User Interface Development now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.