Drupal允许为管理后台设置独立的theme，保存在系统变量variable_get('admin_theme')。Drupal使用全局变量$theme来保存当前请求对应的主题。Drupal在启动时初始化$theme变量：
function _drupal_bootstrap_full() {
...
public final class
Resources.Theme
extends Object
java.lang.Object
↳
android.content.res.Resources.Theme
Class Overview
This class holds the current attribute values for a particula...
报错如下：
Java.lang.RuntimeException: Unable to start activity ComponentInfo{com.chs.mt.gd_tosicke/com.chs.mt.gd_tosicke.main.WelcomeActivity}: java.lang.IllegalStateException: You need to use a The...
