Skip fragments onBackPressed (add/hide)

Question

I am using fragmentTransaction to proceed through fragments, it looks like this:

        FragmentManager fm = oldFragment.getFragmentManager();
        FragmentTransaction fragmentTransaction = fm.beginTransaction();
        fragmentTransaction.add(oldFragment.getId(), newFragment, tag);
        fragmentTransaction.hide(oldFragment);
        fragmentTransaction.addToBackStack(tag);
        fragmentTransaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
        fragmentTransaction.commit();

Having several fragments I want to skip some of them when going back.

Example:

Frag1 -> (Press Next) -> Frag2 -> (Press Next) -> Frag3 -> (Press Back) -> Frag1

This solution works when I use replace instead of add and hide

getFragmentManager().popBackStack(
    tag, 
    FragmentManager.POP_BACK_STACK_INCLUSIVE);

Reference` Skip some fragments onBackPressed

But in my case the skipped fragments are shown for a brief moment. How can I make it as if the fragments in between were never there?

I don't know if I'm understanding it right but did you try to use fragmentTransaction.remove(FRAGMENT_YOU_NEED); and do it twice — Francisco Castro, Jun 20 '16 at 11:05
Yes it works correctly, the fragments are removed, but the intermediate fragments are shown for a brief moment — Belzebub, Jun 24 '16 at 10:01

score 0 · Answer 1 · answered Jun 24 '16 at 22:22

I use this function to remove fragments tell me if I helped .

public static void removeFragment(FragmentActivity activity) {
    try {
        FragmentManager supportFragmentManager = activity.getSupportFragmentManager(); // getFragmentManager();
        FragmentTransaction fragmentTransaction = supportFragmentManager.beginTransaction();
        fragmentTransaction.setCustomAnimations(R.anim.slide_down, R.anim.slide_up);
        fragmentTransaction.remove(supportFragmentManager.getFragments().get(0));

        try {
            fragmentTransaction.commit();

        } catch (Exception e) {
        }
        supportFragmentManager.popBackStack();

    } catch (NullPointerException exception) {
        exception.printStackTrace();
    }
}

There is no getFragments() method. (min api is 19, I am not using support) — Belzebub, Jun 27 '16 at 08:48
can you replace that to supportFragmentManager.findFragmentByTag("TAG") ? check if this works — Francisco Castro, Jun 27 '16 at 10:04

Skip fragments onBackPressed (add/hide)

1 Answers1