Fix obtainItemColor-method.

Author: michael-rapp

library/src/main/java/de/mrapp/android/dialog/builder/AbstractListDialogBuilder.java

@@ -56,9 +56,14 @@ public abstract class AbstractListDialogBuilder<DialogType extends ListDialog, B
  private void obtainItemColor(@StyleRes final int themeResourceId) {
  TypedArray typedArray = getContext().getTheme()
  .obtainStyledAttributes(themeResourceId, new int[]{R.attr.materialDialogItemColor});
- int defaultColor = ThemeUtil
- .getColor(getContext(), themeResourceId, android.R.attr.textColorSecondary);
- setItemColor(typedArray.getColor(0, defaultColor));
+ ColorStateList color = typedArray.getColorStateList(0);
+
+ if (color == null) {
+ color = ThemeUtil.getColorStateList(getContext(), themeResourceId,
+ android.R.attr.textColorSecondary);
+ }
+
+ setItemColor(color);
  }
 
  /**