check your internet connetion then Go to Settings>Apps>All, select Facebook, and Clear Cache/Clear Data, then Force Stop. Now try opening it and log in again
去设置 所有程序 找到Facebook 清理缓存 然后再次点击FaceBook Login
check your internet connetion then Go to Settings>Apps>All, select Facebook, and Clear Cache/Clear Data, then Force Stop. Now try opening it and log in again
去设置 所有程序 找到Facebook 清理缓存 然后再次点击FaceBook Login