Hi,
I searched for a part to ask questions abut android programing but cant find so I posted here,I hope I can find my answer
I am new with android programing and I have a problem with expandable list view
I pupulate my data to an expandable list view with SimpleExpandableListAdapter and every thing is good..The only think I want is to findout which Items is selected by user..I searched but Cant fine a working method to do this
here Is my SimpleExpandableListAdapter
and here Is setOnChildClickListener but It dont do anything
Thanks for your helps
I searched for a part to ask questions abut android programing but cant find so I posted here,I hope I can find my answer
I am new with android programing and I have a problem with expandable list view
I pupulate my data to an expandable list view with SimpleExpandableListAdapter and every thing is good..The only think I want is to findout which Items is selected by user..I searched but Cant fine a working method to do this
here Is my SimpleExpandableListAdapter
Code:
SimpleExpandableListAdapter expListAdapter =
new SimpleExpandableListAdapter(
this,
groupData,
android.R.layout.simple_expandable_list_item_1,
new String[] { "grup"},
new int[] { android.R.id.text1 },
childData,
R.layout.database_list_item,
new String[] { parser.KEY_CatName, parser.KEY_PoetID, parser.KEY_DownloadUrl,parser.KEY_PubDate,parser.KEY_FileSizeInByte,"Status"},
new int[] { R.id.chk_database_list_item,R.id.txt_database_poet_id,R.id.txt_database_download_link,R.id.txt_database_pub_date,R.id.txt_database_size,R.id.txt_database_status }
);Code:
ExpandList.setOnChildClickListener(new ExpandableListView.OnChildClickListener() {
@Override
public boolean onChildClick(ExpandableListView arg0, View v, int arg2,
int arg3, long arg4) {
Log.i("setOnChildClickListener", "setOnChildClickListener");
TextView down_link = (TextView) v.findViewById(R.id.txt_database_download_link);
TextView poet_id = (TextView) v.findViewById(R.id.txt_database_poet_id);
String down_linkString;
String poet_idString;
SparseBooleanArray choices = arg0.getCheckedItemPositions();
StringBuilder choicesString = new StringBuilder();
for (int i = 0; i < choices.size(); i++)
{
//added if statement to check for true. The SparseBooleanArray
//seems to maintain the keys for the checked items, but it sets
//the value to false. Adding a boolean check returns the correct result.
//ArrayList<String> Items_for_download = new ArrayList<String>();
if(choices.valueAt(i) == true)
choicesString.append(poet_id.getText().toString()).append(" ");
}
Log.i("selected", choicesString.toString());
return false;
}
});