Accent ColorStateList generator

AccentColorStateList.java

/*
 * The new Design Support Library NavigationView generates a ColorStateList that tints the 
 * selected item with the theme Primary Color
 * This method generates a ColorStateList the same way but with the theme Accent Color
 * instead.
 */

/**
 * Util method that builds a themed Color State List with the theme Accent Color as the selected
 * tint (instead of the Primary Color that NavigationView uses by default)
 * @param context used to get the current theme
 * @return the ColorStateList
 */
public static ColorStateList themedStateList(Context context) {
    TypedValue value = new TypedValue();
    
    // Remove this conditional and set colorAccent to another color if desired
    if (context.getTheme().resolveAttribute(R.attr.colorAccent, value, true)) {
        int colorAccent = value.data;
        if (context.getTheme().resolveAttribute(android.R.attr.textColorPrimary, value, true)) {
            ColorStateList baseColor = context.getResources().getColorStateList(value.resourceId);
            if (baseColor != null) {
                return new ColorStateList(
                        new int[][]{
                                {android.R.attr.state_checked},
                                {} // Null state list sets default colors
                        },
                        new int[]{
                                colorAccent,
                                baseColor.getDefaultColor(),
                        }
                );
            }
        }
    }
    return null;
}