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Appcelerator Titanium Smartphone App Development Cookbook - Second Edition by Jason Kneen

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Passing custom variables between windows

You'll often find a need to pass variables and objects between different screen objects in your apps, such as windows, in your apps. One example is between a master and a child view. If you have a tabular list of data that shows only a small amount of information per row, and you wish to view the full description, you might pass that description data as a variable to the child window.

In this recipe, we're going to apply this very principle to a variable on the settings window (in the second tab of our LoanCalc app), by setting the variable in one window and then passing it back for use in our main window.

How to do it...

Under the declaration for your second window, win2 in the app.js file, include the following ...

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