Other:个人记录

((AppCompatActivity) getActivity()).setSupportActionBar( toolbar);
http://stackoverflow.com/questions/28761017/setsupportactionbartoolbar-toolbar-inside-fragmentactivity

thread = new Thread(tutorialRunnable);
thread.start();
http://stackoverflow.com/questions/3148186/thread-already-started-when-resuming-the-activity

ViewPager 共享元素
http://stackoverflow.com/questions/30628543/fragment-shared-element-transitions-dont-work-with-viewpager
http://stackoverflow.com/questions/27304834/viewpager-fragments-shared-element-transitions
https://stackoverflow.com/questions/29022386/shared-element-transition-between-fragments
http://www.ophome.cn/question/39129