FragmentTransaction

Fragment操作管理的抽象类类。BackStackRecord为实现类。 通过FragmentTransaction对象我们能够对fragment进行add、replace、remove、hide、show、detach、attach等。

添加Fragment

• add(Fragment fragment, String tag)
• add(int containerViewId, Fragment fragment)
• add(int containerViewId,Fragment fragment,String tag)

替换Fragment

• replace(int containerViewId,Fragment fragment)
• replace(int containerViewId,Fragment fragment,String tag)

移除Fragment

• remove(Fragment fragment)

显示、隐藏Fragment

• hide(Fragment fragment)
• show(Fragment fragment)

挂载和脱离View

• attacth(Fragment fragment)
• detacth(Fragment fragment)

当前Fragment是否有操作

• isEmpty()

Fragment动画相关

• setCustomAnimations(int enter,int exit)
• setCustomAnimations(int enter,int exit,int popEnter,int popExit)
• addSharedElement(View sharedElement,String name)
• setTransition(int transit)
• setTransitionStyle(int styleRes)

后退栈相关

• addToBackStack(String name)
• isAddToBackStackAllowed()
• disallowAddToBackStack

设置title相关？

• setBreadCrumbTitle
• setBreadCrumbShortTitle

提交

• commit()
• commitAllowingStateLoss()