/**
* This is where we perform additional setup for the fragment that's either not related to the
* fragment's layout or must be done after the layout is drawn.
*/
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
// Set member variable for whether this fragment is the only one in the activity
Fragment listFragment = getFragmentManager().findFragmentById(R.id.titles_frag);
mSoloFragment = listFragment == null ? true : false;
if (mSoloFragment) {
// The fragment is alone, so enable up navigation
getActivity().getActionBar().setDisplayHomeAsUpEnabled(true);
// Must call in order to get callback to onOptionsItemSelected()
setHasOptionsMenu(true);
}
// Current position and UI visibility should survive screen rotations.
if (savedInstanceState != null) {
setSystemUiVisible(savedInstanceState.getBoolean("systemUiVisible"));
if (mSoloFragment) {
// Restoring these members is not necessary when this fragment
// is combined with the TitlesFragment, because when the TitlesFragment
// is restored, it selects the appropriate item and sends the event
// to the updateContentAndRecycleBitmap() method itself
mCategory = savedInstanceState.getInt("category");
mCurPosition = savedInstanceState.getInt("listPosition");
updateContentAndRecycleBitmap(mCategory, mCurPosition);
}
}
if (mSoloFragment) {
String title = Directory.getCategory(mCategory).getEntry(mCurPosition).getName();
ActionBar bar = getActivity().getActionBar();
bar.setTitle(title);
}
}
/**
* Sets the current image visible.
*
* @param category Index position of the image category
* @param position Index position of the image
*/
void updateContentAndRecycleBitmap(int category, int position) {
mCategory = category;
mCurPosition = position;
if (mCurrentActionMode != null) {
mCurrentActionMode.finish();
}
if (mBitmap != null) {
// This is an advanced call and should be used if you
// are working with a lot of bitmaps. The bitmap is dead
// after this call.
mBitmap.recycle();
}
// Get the bitmap that needs to be drawn and update the ImageView
mBitmap = Directory.getCategory(category).getEntry(position).getBitmap(getResources());
((ImageView) getView().findViewById(R.id.image)).setImageBitmap(mBitmap);
}