android-listview

问题 I am trying to use MyApplication class for JSON data What I am doing :: I am displaying a list of elements in listview , I have retrieved data from JSON and populated into listview . I have put the snapshot of it below which I have at present. What I am trying to do :: Suppose I check some rows using the checkbox shown in figure, now the selected elements I want to add them to MyApplication class which is a global memory . Then I want to get the data from Main global memory and display it in

问题 I have a ListView and I put in the following code to see the getView() process of my BaseAdapter. @Override public View getView(int position, View convertView, ViewGroup parent) { Log.d("getView()","Fetching Row: " + position); ... } As I scroll down my list slowly, I notice something strange happening. Even when I'm at list position 40-50ish, it's still calling getView() with a position of 0-7. Here is what my log looks like: 05-14 11:46:13.989: I/getView()(18681): Fetching Row: 45 05-14 11

问题 I'm having troubles with my Custom CursorAdapter and my ListView , the fact is, I can save data in my sqlite Database in my custom ContentProvider but my ListView is not populated. I know DB Operations are heavy long operations, therefore I do it in another thread and furthermore CursorLoader is a subclass of AsyncTaskLoader , so it should be prepared for that. With SimpleCursorAdapter works fine but with this Custom CursorAdapter not. Can anyone tell me what is wrong and how could I solve it

问题 Currently am working on listview with spinner.MY requirement is update the listview item based on spinner selection which is in listview item itself.but while performing the selection in spinner it update the all listview items.I think my problem is with in OnItemSelectedListener .And also i figure out while loading listview the spinner ItemSelectedListener executes no of times.I don't understand want i have done on this.Please help me to find the solution for it. Spinner OnItemSelected

问题 Currently am working on listview with spinner.MY requirement is update the listview item based on spinner selection which is in listview item itself.but while performing the selection in spinner it update the all listview items.I think my problem is with in OnItemSelectedListener .And also i figure out while loading listview the spinner ItemSelectedListener executes no of times.I don't understand want i have done on this.Please help me to find the solution for it. Spinner OnItemSelected

问题 I am currently trying to populate a ListView by querying a SQLite database which feeds the adapter, which I can update by adding an entry. However, the ListView doesn't get updated unless I restart the app. Here is my data source code: public class DataSource { // Database fields private SQLiteDatabase database; private SQLHelper dbHelper; private String[] allColumns = null; public DataSource(Context context) { dbHelper = new SQLHelper(context); } public void open() throws SQLException {

问题 adapterListView = new SpecialAdapter(getBaseContext(),list,R.layout.listview_layout,from,to); headerView = ((LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE)).inflate(R.layout.jpos_ror_header, null, false); footerView = ((LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE)).inflate(R.layout.jpos_ror_footer, null, false); TextView tin=(TextView)headerView.findViewById(R.id.textViewTinValue); TextView textViewNameOfPayor=(TextView)headerView.findViewById

问题 I fill my ListView with my Adapter but my last group of radio buttons are not working correctly. When I select the options of the first three elements, it works well. The last radio button does not work when pressed. This is my adapter public class ScoreAdapter extends BaseAdapter { private Activity activity; private LayoutInflater inflater; private List<Score> items; private Resources resources; public ScoreAdapter(Activity activity, List<Score> items) { this.activity = activity; this.items

问题 I'm trying to load my ListView from the following array static final String[][] Bookings = new String[][] {{"WC11", "John Smith"},{"WX11", "Terry Jones"}}; I'm try to use the following code but Eclipse wont accept it. ListView bkgList = (ListView) findViewById(R.id.bkg_list); setListAdapter(new ArrayAdapter<String>(this, R.layout.list_item, Bookings)); It says 'the constructor ArrayAdapter(ListVActivity, int, String[][]) is undefined'. How can I load my array into my ListView? 回答1:

问题 I have an async task which is called for a fragment and populates a listview. When I try and set the OnClick for the listview I get an error in my code for setting the fragment to load based on the listview item clicked: FragmentManager man= getFragmentManager(); FragmentTransaction tran=man.beginTransaction(); Fragment_one = new StylePage2(); final Bundle bundle = new Bundle(); bundle.putString("beerIDSent", bID); Fragment_one.setArguments(bundle); tran.replace(R.id.main, Fragment_one);/