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docs: add information about using color resources as drawables

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Change-Id: I24d82292b700104294d268894b660bc8b7e5ddb0
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Scott Main
2010-07-20 09:59:35 -07:00
parent 9bc4039a58
commit 2316d62608
2 changed files with 13 additions and 5 deletions
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13
docs/html/guide/topics/resources/drawable-resource.jd
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@@ -12,9 +12,10 @@ parent.link=available-resources.html
</div>
</div>
<p>A drawable resource is a general concept for a graphic that you
can retrieve with {@link android.content.res.Resources#getDrawable(int)}
and draw on the screen. There are several different types of drawables:</p>
<p>A drawable resource is a general concept for a graphic that can be drawn to the screen and which
you can retrieve with APIs such as {@link android.content.res.Resources#getDrawable(int)} or apply
to another XML resource with attributes such as {@code android:drawable} and {@code android:icon}.
There are several different types of drawables:</p>
<dl>
<dt><a href="#Bitmap">Bitmap File</a><dt>
<dd>A bitmap graphic file ({@code .png}, {@code .jpg}, or {@code .gif}).
@@ -51,6 +52,12 @@ current level value. Creates a {@link android.graphics.drawable.ScaleDrawable}<
<p>Also see the <a href="animation-resource.html">Animation Resource</a> document for how to
create an {@link android.graphics.drawable.AnimationDrawable}.</p>
<p class="note"><strong>Note:</strong> A <a
href="{@docRoot}guide/topics/resources/more-resources.html#Color">color resource</a> can also be
used as a drawable in XML. For example, when creating a <a href="#StateList">state list
drawable</a>, you can reference a color resource for the {@code android:drawable} attribute ({@code
android:drawable="@color/green"}).</p>

5
docs/html/guide/topics/resources/more-resources.jd
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@@ -114,8 +114,9 @@ boolean screenIsSmall = res.{@link android.content.res.Resources#getBoolean(int)
<h2 id="Color">Color</h2>
<p>A color value defined in XML.
The color is specified with an RGB value and alpha channel. You can use color resource
any place that accepts a hexadecimal color value.</p>
The color is specified with an RGB value and alpha channel. You can use a color resource
any place that accepts a hexadecimal color value. You can also use a color resource when a
drawable resource is expected in XML (for example, {@code android:drawable="@color/green"}).</p>
<p>The value always begins with a pound (#) character and then followed by the
Alpha-Red-Green-Blue information in one of the following formats:</p>