@Override
public Object instantiateItem(ViewGroup container, int position) {
WindFragment fragment = (WindFragment) super.instantiateItem(container, position);
int day = Util.calculateDay(new Date()); // today
mFragments.put(new Integer(position), fragment);
return fragment;
}
@Override
public Fragment getItem(int position) {
WindFragment fragment = mFragments.get(new Integer(position));
if (fragment == null) {
int day = Util.calculateDay(new Date()); // today
fragment = WindFragment.newInstance(mWindSpots.get(position % mWindSpots.size()), day);
mFragments.put(new Integer(position), fragment);
}
return fragment;
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
if (mSpots != null) {
try {
outState.putString(KEY_SPOTS, Util.objectToString((Serializable) mSpots));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
if (mPager != null) {
outState.putInt(KEY_SAVED_OPEN_TAB, mPager.getCurrentItem());
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if ((savedInstanceState != null)
&& savedInstanceState.containsKey(KEY_SPOTS)
&& savedInstanceState.containsKey(KEY_SAVED_OPEN_TAB)) {
// load from the savedInstanceState
String spotsString = savedInstanceState.getString(KEY_SPOTS);
mSavedOpenTab = savedInstanceState.getInt(KEY_SAVED_OPEN_TAB);
try {
mSpots = (List<SpotData>) Util.objectFromString(spotsString);
} catch (IOException e) {
} catch (ClassNotFoundException e) {
}
}
showSpots();
loadSpotsInBackground();
initializeGoogleCloudMessaging();
startService(this);
}