How to check if the fragment exists
<p>I am trying to talk to the fragments from activity.</p>

<p>Here in my MainActivity I am adding multiple fragments ok so for fine.</p>

<p>My main requirement is I don't want to add if fragment is already added.</p>

<p>So how can we check this condition?</p>

<p>Please help me some one.</p>

<h2>code:-</h2>

<pre><code> private void intializingFragments(Fragment fragment) {

        FragmentManager fragmentManager = getSupportFragmentManager();

        FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
        fragmentTransaction.add(R.id.fragment_container, fragment);
        fragmentTransaction.addToBackStack(null);
        fragmentTransaction.commit();
    }

    private View.OnClickListener intialization() {

        return new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                int getId = v.getId();

                if (getId == R.id.first) {
                    intializingFragments(new Fragment1());

                } else if (getId == R.id.second) {
                    intializingFragments(new Fragment2());

                } else if (getId == R.id.third) {
                    intializingFragments(new Fragment3());
                } 
            }
        };
    }
</code></pre>