How to hide FAB on a particular fragment

android, android-viewpager, floating-action-button

Solution

I'd think it's as simple as this:

viewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
        @Override
        public void onPageSelected(int position) {
            if(position == 0) {
               // hide FAB
            } else {
               // show FAB
            }
        }
}

You can do a lot of cleanup to improve maintenance like assign page numbers to each page like:

private static final int PAGE_HISTORY = 0;
private static final int PAGE_TRANSACTION = 1;
private static final int PAGE_FUTURE = 2;

So instead of `if(position == 0)` you say `if(position == PAGE_HISTORY)`. That way you don't have to change a lot of code if you ever change your pages around.

Problem

Well I want to remove/hide FAB only on a particular fragment , HISTORY tab in my case . ``` viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() { .... (Overriding methods , I didnt do anything here }); ``` My methods for inflating View Pager ``` private void setupViewPager(ViewPager viewPager) { ViewPagerAdapter adapter = new ViewPagerAdapter(getSupportFragmentManager()); adapter.addFragment(new HistoryFragment(), "HISTORY"); adapter.addFragment(new TransactionFragment(), "CURRENT"); adapter.addFragment(new FutureFragment(), "FUTURE"); viewPager.setAdapter(adapter); } class ViewPagerAdapter extends FragmentPagerAdapter { private final List<Fragment> mFragmentList = new ArrayList<>(); private final List<String> mFragmentTitleList = new ArrayList<>(); public ViewPagerAdapter(FragmentManager manager) { super(manager); } @Override public android.support.v4.app.Fragment getItem(int position) { return mFragmentList.get(position); } @Override public int getCount() { return mFragmentList.size(); } public void addFragment(android.support.v4.app.Fragment fragment, String title) { mFragmentList.add(fragment); mFragmentTitleList.add(title); } @Override public CharSequence getPageTitle(int position) { return mFragmentTitleList.get(position); } } ``` Where and how should I make changes to my code to Hide my FAB from the HISTORY tab/fragment and show again on other Tabs

Original source