有一个包含5个片段(向导)的活动。
StartFrag -(start)-> Frag1 -(next)-> Frag2 -(next)-> SubmitFrag
-(submit)-> SuccessFrag.
在成功碎片上点击“提交更多”按钮后,我想从后台删除Frag1、Frag2和SubmitFrag,并返回StartFrag。如何实现?
有一个包含5个片段(向导)的活动。
StartFrag -(start)-> Frag1 -(next)-> Frag2 -(next)-> SubmitFrag
-(submit)-> SuccessFrag.
FragmentManager fm = getFragmentManager();
int count = fm.getBackStackEntryCount();
for(int i = 0; i < count; ++i) {
fm.popBackStack();
}
试试这个
mFragmentManager.popBackStack(null, FragmentManager.POP_BACK_STACK_INCLUSIVE);
你可以尝试这个
FragmentManager fm = getFragmentManager();
FragmentTransaction ft=fm.beginTransaction();
ft.add(R.id.group,startFrag,"");
ft.addtoBackStack("startFrag");
ft.commit();
enter code here
// add other 4 fragments here
when you want to go startFrag on click of some button you can try below code.
fm.popBackStack("startFrag",0);
//where startFrag is the tag which you specify when you called
//addtoBackStack("startFrag")