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Before we move on, I wanted to
point out a cool feature of Android

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layouts that I'm using in this app.

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If you look at
the activitysongplayback.xml file,

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you'll notice that I have an interesting
looking tag called include.

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Although it isn't something that
directly relates to styles and

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themes, I wanted to share this cool trick
as it's used a couple of times in the app.

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And it's a great way to isolate
layouts that are semantically similar.

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To utilize the include tag, you simply
have to declare your layout file in

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one file, and you use the include tag in
another layout that you want to use it in.

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Then, specify the layout attribute with
the name of the file your layout you'd

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like to include was created in.

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Now that you've got another cool
Android trick under your belt,

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I'm going to challenge you to extract
another couple of styles for this app.

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Try and see if you can create a style for

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the song's playback time and
the song's duration.

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Then, if you want to go above and beyond,

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try styling the album artwork with the
rounded corners in the playback activity.

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Come back when you're ready for
my solution.