3.5 Default Theme and Customizing Theme Colors
Each app has a theme that defines the default look-and-feel of the standard views you use. The theme is specified in the app’s AndroidManifest.xml file (Section 3.7). You can customize aspects of the theme, such those that define an app’s color scheme, by defining style resources in the styles.xml file located in the in the app’s res/values folder.
3.5.1 parent Themes
The style.xml resource file contains a style with the name "AppTheme" that’s referenced from the app’s AndroidManifest.xml file to specify the app’s theme. This style also specifies a parent theme, which is similar to a superclass in Java—the new style inherits its parent theme’s attributes and their default values. Just as in a Java ...
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