baseadapter

问题 I am creating a custom list view using baseadapter.i have 10 list item in my list.my problem is that afetr 6 items ,the first 4 are repeating.i just printed position values in getview.it gives 0,1,2,3,4,5,6,7,8,9,0,1,2,3.My code is below. thanx in advance public class ProductListAdapter extends BaseAdapter implements OnClickListener{ /* * developer :sanu * date :10-4-2013 * time :3.34 pm */ public View row; private String[] productName; private String[] producttype; private String[]

问题 I have a custom BaseAdapter for my ListView in which i implements AdapterView.OnItemClickListener . The problem is the onItemClick(AdapterView<?>, View, int, long) method is never called. I guess I need to implements that interface in my main Activity and not in my ListView custom adapter. MyListViewAdapter.java : public class MyListViewAdapter extends BaseAdapter implements AdapterView.OnItemClickListener { private Context context; private ArrayList<MyListViewRow> rowsList = new ArrayList

问题 The data which is displayed from the database in the form of listview (here listview with headers having disabled onClick of headers). I tried to display the description of the selected item from position of getView() . The list is very large so it dynamically allocates the view while scrolling & the position gives wrong values after scrolling I watched Google I/O 2010 - The world of ListView video & it states these things. So I think I need to implement notifyDataSetChanged() or onScroll() ,

问题 I am extending BaseAdapter to make a custom listview row. I have context menu that opens everytime a user holds on the row and prompts if he wants to delete it. However how do I remove the row? The hashmap is only test data. private MyListAdapter myListAdapter; private ArrayList<HashMap<String, String>> items; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); items = new ArrayList<HashMap<String,String>>(); HashMap<String, String> map1 = new

问题 In my application i added checkbox with ListView ,and i also gave limitation for checkbox ,user can not select more than 5 checkbox ,but the issue is on scroll my selected checkbox get unchecked following is my snippet code,can any one help me with this public class CustomAdapter extends BaseAdapter { private LayoutInflater inflater = null; Context context; String rup = "\u20B9"; private ArrayList<ModelPooja> listData; boolean checked[]; public CustomAdapterPooja(Context mainActivity,

问题 I have an Activity with a grid layout where display images from SD folders. When I select a folder, all images are added to a String list (clean when folder is changed), and images construction is in getView() method, using these strings from the list. It works properly for 5 or 6 times (images from folder are displayed), but then I change the folder and I get an 'outofmemoryerror' in the getView() from the custom BaseAdapter (see code line), but I don't understand my leak problem... Images

问题 My question is very similar to this thread, however it was never properly answered. I have an ImageAdapter setup as so; public class ImageAdapter extends BaseAdapter { private Context mContext; int[] mImages; public ImageAdapter(Context c, int[] images) { mContext = c; mImages = images; } @Override public int getCount() { return 0; } @Override public Object getItem(int position) { return null; } @Override public long getItemId(int position) { return 0; } @Override public View getView(int

问题 I have designed a listview by inflating each row using inflater and I have changed color of convertView's elements on their click events. But after scrolling the list the elements loss these changes. How can I "preserve" their state and represent them? And there is one more query in my mind, when clicking the submit button, how can I calculate the total number of "listitems" which had not been clicked? before scroll http://69.imagebam.com/download/l4tJZG08i5tM_7SV3K_fHQ/18631/186307764/snap1

问题 I have two datetimes 12/01/2014 and 12/10/2014.i changed datetime format and i also checked different between there two datetime and i also incremented days between there datetimes.for more information 1 dec,2 dec,3 dec .....10 dec this is a my source public class MoviesRolls extends Fragment { public final static String TAG = MoviesRolls.class.getSimpleName(); private ListView holllistview; private HollAdapters adapter; public static ArrayList<CinemaInfoModel> cinemaInfoArray; public static

问题 I wanted to create a list view and populate it with string array so I trid it with ArrayAdapter. This is my code. public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); String str[]={"A","S","S","P","S","S","P","Bl","Ra","M","a","a","c","s","s","ds"}; ArrayAdapter<String> ad=new ArrayAdapter<>(this,android.R.layout.simple_list_item_1,str); ListView lv=