apps crashes when listview item is clicked
I'm working on application which is showing all contacts of in list view, now i want to edit the contacts, i wrote code on setOnItemClickListener event so that i will get contact details. i have written following code.My application is crashing whenever i clicked on listview item please help me.Please guide me what to do to update contact detail.If i am moving in wrong direction please guide me.
code:
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
lv=(ListView)findViewById(R.id.listview);
TVContactText=(TextView)findViewById(R.id.contactEntryText);
btnAddContact=(Button)findViewById(R.id.addContactButton);
ArrayList<String> names = new ArrayList<String>();
cur=getContentResolver().query(ContactsContract.Contacts.CONTENT_URI, null, null, null, null);
int a=cur.getCount();
if(cur.moveToFirst())
{
do{
int nameidx=cur.getColumnIndex(PhoneLookup.DISPLAY_NAME);
int Ididx=cur.getColumnIndex(PhoneLookup.NUMBER);
String strName=cur.getString(nameidx);
names.add(strName);
}while(cur.moveToNext());
cur.close();
ArrayAdapter<String> adapter=new ArrayAdapter<String>(this, R.layout.list_view_item_new, R.id.contactEntryText,names);
lv.setAdapter(adapter);
registerForContextMenu(lv);
}
btnAddContact.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
launchContactAdder();
}
});
//i want to get i开发者_JAVA技巧nfo regarding contact..
lv.setOnItemClickListener(new OnItemClickListener()
{
public void onItemClick(AdapterView<?> parent, View view, int position, long id)
{
ContactAt(position);
}
});
}
but my application is crashing whenever i clicked on listview item please help me.
Here is an explanation how to use ArrayAdapter:
http://sudarmuthu.com/blog/using-arrayadapter-and-listview-in-android-applications
As you can see, you can use getItem(position) to retrieve the element on which the click event was registered.
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