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@georgiecasey
Created April 27, 2012 22:53
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public class ListViewPagerAdapter extends PagerAdapter {
protected static final String TAG = "ListViewPagerAdapter";
protected static final int NUM_VIEWS = 3;
protected final Activity mActivity;
public ListViewPagerAdapter(Activity activity) {
mActivity = activity;
}
@Override
public int getCount() {
return NUM_VIEWS;
}
@Override
public void startUpdate(View container) {}
@Override
public Object instantiateItem(View container, int position) {
// ViewPager
ViewPager viewPager = (ViewPager) container;
// Wird verwendet, um die Views aufzurufen
LayoutInflater layoutInflater = mActivity.getLayoutInflater();
// Standardmäßig ist news eingeblendet
View view = layoutInflater.inflate(R.layout.news_fragment, null);
// Falls sich die Position verändert, so verändert sich auch die View
if (position == 0) {
view = layoutInflater.inflate(R.layout.favorite_fragment, null);
} else if (position == 2) {
view = layoutInflater.inflate(R.layout.videos_fragment, null);
}
// View einblenden
viewPager.addView(view, 0);
return view;
}
@Override
public void destroyItem(View container, int position, Object object) {
// ViewPager
ViewPager viewPager = (ViewPager) container;
// View
View view = (View) object;
// View löschen
viewPager.removeView(view);
}
@Override
public void finishUpdate(View container) {}
@Override
public boolean isViewFromObject(View view, Object object) {
View _view = (View) object;
return view == _view;
}
@Override
public Parcelable saveState() {
return null;
}
@Override
public void restoreState(Parcelable state, ClassLoader loader) {}
}
private View mCurrentView;
@Override
public void setPrimaryItem(ViewGroup container, int position, Object object) {
mCurrentView = (View)object;
}
Map<Integer, Object> views = Maps.newHashMap();
@Override
public Object instantiateItem(View container, int position) {
/* Create and add your View here */
Object result = ???
views.put(position, result);
return result;
}
@Override
public void destroyItem(View container, int position, Object object) {
/** Remove your View here */
views.remove(position);
}
protected View findViewForPosition(int position) {
Object object = views.get(position);
if (object != null) {
for (int i = 0; i < getChildCount(); i++) {
View view = getChildAt(i);
if (isViewFromObject(view, object)) {
return view;
}
}
}
return null;
}
private View getCurrentView()
{
for (int i = 0; i < pager.getChildCount(); i++)
{
View v = pager.getChildAt(i);
if (v != null)
{
if (v.getTag().equals(pageList.get(pager.getCurrentItem()).getTag())) return v;
// pageList is a list of pages that I pass to page adapter
}
}
return null;
}
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