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# Style Resource

## See also

1. Styles and Themes

A style resource defines the format and look for a UI. A style can be applied to an individual `View` (from within a layout file) or to an entire `Activity` or application (from within the manifest file).

For more information about creating and applying styles, please read Styles and Themes.

Note: A style is a simple resource that is referenced using the value provided in the `name` attribute (not the name of the XML file). As such, you can combine style resources with other simple resources in the one XML file, under one `<resources>` element.

file location:
  `res/values/filename.xml`
  The filename is arbitrary. The element's `name` will be used as the resource ID.
resource reference:
  In XML: `@[package:]style/style_name`
syntax:

      <?xml version="1.0" encoding="utf-8"?>
      <resources>
          <style
              name="style_name"
              parent="@[package:]style/style_to_inherit">
              <item
                  name="[package:]style_property_name"
                  >style_value</item>
          </style>
      </resources>

elements:
  `<resources>`
    Required. This must be the root node.

    No attributes.

  `<style>`
    Defines a single style. Contains `<item>` elements.

    attributes:

    `name`
      String. Required. A name for the style, which is used as the resource ID to apply the style to a View, Activity, or application.
    `parent`
      Style resource. Reference to a style from which this style should inherit style properties.
  `<item>`
    Defines a single property for the style. Must be a child of a `<style>` element.

    attributes:

    `name`
      Attribute resource. Required. The name of the style property to be defined, with a package prefix if necessary (for example `android:textColor`).
example:
  XML file for the style (saved in `res/values/`):

        <?xml version="1.0" encoding="utf-8"?>
        <resources>
            <style name="CustomText" parent="@style/Text">
                <item name="android:textSize">20sp</item>
                <item name="android:textColor">#008</item>
            </style>
        </resources>

  XML file that applies the style to a `TextView` (saved in `res/layout/`):

        <?xml version="1.0" encoding="utf-8"?>
        <EditText
            style="@style/CustomText"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:text="Hello, World!" />

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