According to android documentation, android:startColor can take attributes
as a value:
This may also be a reference to a resource (in the
> form "@[package:]type:name") or theme attribute (in the
> form "?[package:][type:]name") containing a value of this type.
I am trying to add an attribute to my gradiant drawable, however I get an
error. Here is the code for the drawable:
<?xml version="1.0" encoding="utf-8"?>
<layer-list
xmlns:android="http://schemas.android.com/apk/res/android";>
<item>
<shape>
<gradient
android:startColor="?startColor"
android:endColor="#0b2749"
android:angle="90" />
</shape>
</item>
</layer-list>
Here is the code in style.xml:
<style name="test" parent="android:Theme">
<item name="android:startColor">#0b2749</item>
<item name="startColor">#0b2749</item>
</style>
When I try to run the activity I get this error message:
01-10 20:47:30.810: E/AndroidRuntime(7279): Caused by:
java.lang.UnsupportedOperationException: Can't convert to color: type=0x2
I tried changing ?startColor to ?attr/startColor and still got the same
error. I also applied the theme to the activity in the AndroidManifest.xml
file.
How can I add a theme attribute to the gradient drawable?
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