ViewPager gridview how to update data in it, seeking expert. . .

In viewpager the gridview data after an item is deleted, gridview how to update it, I used notifyDataSetChanged (), no response. The getItemPosition return value to POSITION_NONE, is useless. Paste code PagerAdapter the second floor, who gave a look at what was wrong.<-! Main posts under Banner (D4) -><-! Posts under the main text (D5) ->
Reply:

 
class GuidePageAdapter extends PagerAdapter {

@ Override 
public int getCount () {
return pageView.size (); 
} 

@ Override 
public boolean isViewFromObject (View arg0, Object arg1) {
return arg0 == arg1; 
} 

@ Override 
public int getItemPosition (Object object) {
return POSITION_NONE; 
} 

@ Override 
public void destroyItem (View arg0, int arg1, Object arg2) {
((ViewPager) arg0) removeView (pageView.get (arg1));. 
} 

@ Override 
public Object instantiateItem (View arg0, int arg1) {
((ViewPager) arg0) addView (pageView.get (arg1));. 
return pageView.get (arg1); 
} 

@ Override 
public void restoreState (Parcelable arg0, ClassLoader arg1) {
} 

@ Override 
public Parcelable saveState () {
return null; 
} 

@ Override 
public void startUpdate (View arg0) {
} 

@ Override 
public void finishUpdate (View arg0) {
} 
} 

Reply:
I have encountered this problem, I finally item.setVisible (View.GONE) to resolve
Reply:

reference to the second floor of the reply:

I have encountered this problem, I finally item.setVisible (View.GONE) to solve

< / fieldset>
Is one way, but if there is to join the data?
Reply:
LZ Can viewpage code containing all posted gridview
Reply:
Since I was fixing a viewpage have four item, only with View.GONE
To really solve should be remove from the parent control in the fall, he will automatically disappear
Reply:

references, 5th Floor reply:

Since I was fixing a viewpage has 4 item, only with View.GONE
To really solve should be remove from the parent control in the fall, he will automatically disappear

Should
@ Override
public void destroyItem (View arg0, int arg1, Object arg2) {
((ViewPager) arg0) removeView (pageView.get (arg1));.
}
Thus it is possible, but I do not know when he will call this method. He does not automatically invoked.

        


Reply:
You onClick time, it removeView
Reply:

reference to the 7th floor of replies:

onClick when you're on removeView

Seemingly, can not, in the end I had to determine if the user did not delete the application deleted it. I still forget to restart the activity. Do not know the system overhead so big?
Reply:
Restart activity too unscientific, who will help me ah ........
Reply:
Why not follow it