Tips for application that might be skinned.

[changxiangzhong]

• Never hardcode color/textColor/textSize in XML layout. (source code is not allowed either)

• Use styles, but don't combine layout related attributes. Such the following

  <item name="android:layout_width">match_parent</item>

• For resources names (both file names & entry names) such as layout, drawable, styles and color, use prefix, if it's a project comprises multiple modules, to avoid naming collision.