public String getMediaId() {
MediaBrowserFragment fragment = getBrowseFragment();
if (fragment == null) {
return null;
}
return fragment.getMediaId();
}
private void navigateToBrowser(String mediaId) {
LogHelper.d(TAG, "navigateToBrowser, mediaId=" + mediaId);
MediaBrowserFragment fragment = getBrowseFragment();
if (fragment == null || !TextUtils.equals(fragment.getMediaId(), mediaId)) {
fragment = new MediaBrowserFragment();
fragment.setMediaId(mediaId);
FragmentTransaction transaction = getFragmentManager().beginTransaction();
transaction.setCustomAnimations(
R.animator.slide_in_from_right, R.animator.slide_out_to_left,
R.animator.slide_in_from_left, R.animator.slide_out_to_right);
transaction.replace(R.id.container, fragment, FRAGMENT_TAG);
// If this is not the top level media (root), we add it to the fragment back stack,
// so that actionbar toggle and Back will work appropriately:
if (mediaId != null) {
transaction.addToBackStack(null);
}
transaction.commit();
}
}