Data passing between screens

Data passing
between screens
Data application


One way – Send data
 Global (Should avoid)
 Source screen: Public static variable (Should
avoid)
 Destination screen: Constructor parameter


Global
 Use Global class to store & retrieve data
 Easy, fast
 Not recommended! (Why?)

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Global example

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Public static
 The source screen has public static variable

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Constructor parameter

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TwoWay – Get back data
 Public static (again?)
 Public property
 Delegate & event

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Public property

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Delegate
Another demo

Demo
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In short

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Lambda expression

Siêu ngắn

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