On Aug 16, 5:39 pm, Mark Murphy <[email protected]> wrote:
> Aayush wrote:
> > Hi,
>
> > I want to show many listviews in one activity. Something like
>
> > Textview
> > Listview
> > TextView
> > Listview
> > ..........
>
> > Every listview has different type of adapter. For this, I made the
> > activity class like:-
>
> > public class ListTestActivity extends ListActivity {
>
> > public void onCreate(Bundle savedInstanceState){
> > super.onCreate(savedInstanceState);
> > setContentView(R.layout.screen); // screen.xml file
> > setListAdapter(new CustomAdapter(this);
> > ...............................
> > }
>
> > class CustomAdapter extends ArrayAdapter {
> > Activity context;
>
> > public View getView(int position, View convertView, ViewGroup parent)
> > {
> > ...............................
> > }
>
> > In screen.xml file if I define Listview like:-
>
> > <ListView
> > android:id="@android:id/list"
>
> > I can get one listview with the custom adapter in this kind of
> > arrangement.
> > But when I replace it by android:id="@+id/list2" and use it as
> > R.id.list2, it throws nullpointer exception.
>
> > Any pointers for this problem??
>
> ListView thisIsYourSecondList=(ListView)findViewById(R.id.list2);
>
> thisIsYourSecondList.setAdapter(ohSomeAdapterGoesHere);
>
> --
> Mark Murphy (a Commons
> Guy)http://commonsware.com|http://twitter.com/commonsguy
>
> Looking for Android opportunities?http://wiki.andmob.org/hado
My 5 cents :)
I assume it'll be better to use Activity instead of ListActivity to
provide common processing logic (provided by Mark Murphy) for list
views:
ListView firstList=(ListView)findViewById(R.id.list1);
firstList.setAdapter(firstAdapter);
ListView secondList=(ListView)findViewById(R.id.list2);
secondList.setAdapter(secondAdapter);
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