refresh a fragment from its parent activity [android help]

refresh a fragment from its parent activity

I have almost the exact same problem as this question here: Android, How to restart/refresh a fragment from FragmentActivty?

I'm trying to call the a method of a ListFragment from the parent FragmentActivity.

However, I'm using the template Swipe + Fixed Tabs generated by eclipse. I tried calling getSupportFragmentManager().findFragmentById(R.id.myfragment) but the return value is always null. I'm guessing this might be a problem because I did not define myfragment anywhere in my app. But I am unsure where to define it as all fragments are created dynamically.

For those who are not familiar with the Swipe + Fixed Tabs template generated by the Android SDK in Eclipse, the fragments are created by overriding the FragmentPagerAdapter getItem function, returning a new instance of my fragment.

Any help would be appreciated.

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