I'm working on an application that primarily consists of a list view.
It's backed up by my own custom array adapter whose size changes every
5 seconds. If I scroll through the list view as the array adapter
changes from a greater size to a lesser size, I get an out of bounds
exception. It makes sense to me why this occurs (since I'm scrolling
at a position beyond the new array size), but I was wondering if there
was a good way to debug it. I can't seem to come to a clear
conclusion, and I was wondering if I could get some help.
I update the adapter using the following asyncTask...
public class myTask extends AsyncTask<Void, Void, Void>{
@Override
protected Void doInBackground(Void... params) {
while(isRunning){
myData.clear();
getData();
publishProgress();
SystemClock.sleep(5000);
}
return null;
}
protected void onProgressUpdate(Void...progress){
listAdapter.notifyDataSetChanged();
}
}
myData is the ArrayList that supports listAdapter and getData() is the
function that populates myData with the relevant info that will
eventually be displayed in my list view.
Is there a good way to tackle this problem? For instance, should I try
to momentarily disable scrolling when going from larger to smaller, or
should I try to take care of it from the adapter's perspective?
Regards
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