This course will be retired on July 14, 2025.

Heads up! To view this whole video, sign in with your Courses account or enroll in your free 7-day trial. Sign In Enroll

Styles and Themes in Android

Well done!

You have completed Styles and Themes in Android!

Sign up for Treehouse Back to Library

Including One Layout in Another

0:57 with Strange Learning

The 'include' tag is a powerful trick used in Android layouts to decrease duplicated code. Let's see how to use them in our music application. Toward the end of the video, I 'll issue you a challenge to create your first style on your own.

Documentation

Project Files

Related Discussions

Have questions about this video? Start a discussion with the community and Treehouse staff.

Sign up

    Related Discussions

    Have questions about this video? Start a discussion with the community and Treehouse staff.

    Sign up

    Before we move on, I wanted to point out a cool feature of Android 0:00
    layouts that I'm using in this app. 0:03
    If you look at the activitysongplayback.xml file, 0:04
    you'll notice that I have an interesting looking tag called include. 0:08
    Although it isn't something that directly relates to styles and 0:11
    themes, I wanted to share this cool trick as it's used a couple of times in the app. 0:13
    And it's a great way to isolate layouts that are semantically similar. 0:17
    To utilize the include tag, you simply have to declare your layout file in 0:20
    one file, and you use the include tag in another layout that you want to use it in. 0:24
    Then, specify the layout attribute with the name of the file your layout you'd 0:28
    like to include was created in. 0:32
    Now that you've got another cool Android trick under your belt, 0:38
    I'm going to challenge you to extract another couple of styles for this app. 0:40
    Try and see if you can create a style for 0:44
    the song's playback time and the song's duration. 0:46
    Then, if you want to go above and beyond, 0:49
    try styling the album artwork with the rounded corners in the playback activity. 0:51
    Come back when you're ready for my solution. 0:55

    You need to sign up for Treehouse in order to download course files.

    Sign up

      You need to sign up for Treehouse in order to set up Workspace

      Sign up