报错: cantnot find the declaration of element 'LinearLayout' 解决: 原本为了解决报错我把Android support关掉了,然后百度到解决办法是打开它,在setting-plugin 接着, 报错:Write access is allowed from event dispatch thread only 解决:点击菜单“File-->Project Structure-->SDK Location,勾选JDK Location下边…