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Listen for changes to a preference

Listen for changes to a preference: Android App Development Essentials: Local Data Storage
Listen for changes to a preference: Android App Development Essentials: Local Data Storage

There are many scenarios in an Android application where you need to instantly react when a preference is changed and update the user interface in some way. When you need to this, you can create a preference listener, an event listener that will let you know when a preference has been updated and let you add code that executes when that happens.

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Skill Level Intermediate
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