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- I'm David Gassner.

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And this is Android App Development Essential Training.

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This course is designed to help you

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get started building apps for mobile devices

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that run the Android Operating System.

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After a brief look at the history of Android,

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I'll show you how to set up Android Studio

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and the Android SDK on your development computer,

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and how to prepare both virtual and physical devices

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for testing.

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I'll then describe how to create brand new

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Android Studio projects, how to define

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an app's visual presentation with XML layout files

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and widgets, and how to control an app's behavior

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with Java Code.

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I'll show you how to navigate between screens,

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how to present lists of data and images,

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and how to support the enormous variety of screen sizes

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and pixel densities that we see in Android devices.

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I hope that this course helps you get started building apps

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for the ever-expanding world of the Android Operating System

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and application framework.