public void setTargetFragment(Fragment fragment, int requestCode)
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getTargetFragment().onActivityResult(getTargetRequestCode(), resultCode, intentData);
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/**
 * Optional target for this fragment.  This may be used, for example,
 * if this fragment is being started by another, and when done wants to
 * give a result back to the first.  The target set here is retained
 * across instances via {@link FragmentManager#putFragment
 * FragmentManager.putFragment()}.
 *
 * @param fragment The fragment that is the target of this one.
 * @param requestCode Optional request code, for convenience if you
 * are going to call back with {@link #onActivityResult(int, int, Intent)}.
 */
public void setTargetFragment(Fragment fragment, int requestCode) {
    // Don't allow a caller to set a target fragment in another FragmentManager,
    // but there's a snag: people do set target fragments before fragments get added.
    // We'll have the FragmentManager check that for validity when we move
    // the fragments to a valid state.
    final FragmentManager mine = getFragmentManager();
    final FragmentManager theirs = fragment != null ? fragment.getFragmentManager() : null;
    if (mine != null && theirs != null && mine != theirs) {
        throw new IllegalArgumentException("Fragment " + fragment
                + " must share the same FragmentManager to be set as a target fragment");
    }
    // Don't let someone create a cycle.
    for (Fragment check = fragment; check != null; check = check.getTargetFragment()) {
        if (check == this) {
            throw new IllegalArgumentException("Setting " + fragment + " as the target of "
                    + this + " would create a target cycle");
        }
    }
    mTarget = fragment;
    mTargetRequestCode = requestCode;
}
/**
 * Return the target fragment set by {@link #setTargetFragment}.
 */
final public Fragment getTargetFragment() {
    return mTarget;
}
/**
 * Return the target request code set by {@link #setTargetFragment}.
 */
final public int getTargetRequestCode() {
    return mTargetRequestCode;
}
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