Adding a Fragment with add() method doesn't hide previous fragments

I'm experiencing "unexpected behaviour" when using add() method to add a new fragment.

I want to add a new fragment on a FrameLayout, but when I do it the previous fragment stills visible.

• Is this the expected result when using add() method?

• It is because I am using a FrameLayout and add() method just place a fragment over the FrameLayou开发者_运维知识库t without affect the previous one?

Thx

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Not a bug. Try replace(..). instead adding to the back stack if required.

EDIT I think that using replace or remove() add() will solve your problem but as you highlight in your related post there is a bug which manifests itself under your particular set of circumstances.

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Other simple thing what you can do is to call

FragmentTransaction t = getFragmentManager.beginTransaction();
t.hide(<your_fragment>);
t.add(<container, <new_fragment>);
..do the rest here..
t.commit();

Let me know if this helps.