[英]How to remove Fragments from backstack
有一個帶有5個片段的活動(向導)。
StartFrag -(start)-> Frag1 -(next)-> Frag2 -(next)-> SubmitFrag
-(submit)-> SuccessFrag.
在成功片段上點擊SubmitMore按鈕后,我想從后台刪除Frag1,Frag2和SubmitFrag並返回StartFrag。 怎么做?
你可以試試這個
FragmentManager fm = getFragmentManager();
int count = fm.getBackStackEntryCount();
for(int i = 0; i < count; ++i) {
fm.popBackStack();
}
試試這個
mFragmentManager.popBackStack(null, FragmentManager.POP_BACK_STACK_INCLUSIVE);
你可以試試這個
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")
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