baseadapter

问题 Hi i am making android application. I am using json parsing in my application. first of all this is my json response { "Data": { "headerText": "Revolution", "productStartingPrice": "$38.78", "sizeList": [ { "textUpper": "Revolution for (Pink)", "textLower": "$38.78", "packList": [ { "textUpper": "3 DOSES", "textLower": "$38.78", } { "textUpper": "6 DOSES", "textLower": "$71.60", } ] }, { "textUpper": "Revolution for (Blue)", "textLower": "$46.92", "packList": [ { "textUpper": "3 DOSES",

问题 I am writing a custom adapter for ListView which extends BaseAdapter and in this method @Override public View getView(int position, View convertView, ViewGroup parent) { View vi = convertView; if (vi == null) vi = inflater.inflate(R.layout.x, null); } why is the check if(vi==null) performed. getView() is called for row when it comes in the visible area of the screen. So vi will be null everytime getview() is called? So why is the check necessary here.? P.S. I was getting some problem on

问题 I am going through a problem that is related to Custom BaseAdapter. First i have custom dialog as below As you can see there is three TextView , One EditText ( ) , One Button ( red Cross ) here another button which current visibility is false , and that button is Save button. Now what i want is that - When i click on EditText then Save Button of Corresponding List become visible ( means if i click on EditTExt of third List then only third list's Save should visible). And when i change some

问题 I have implemented an ExpandableListView and a BaseExpandableListAdapter . I want to display a list of GroupObjects. Every GroupObject (Top-items in ExpandableList) has an ArrayList of 3 ChildObjects (Child-items in ExpandableList). I am using the viewHolder-pattern. The GroupObjects are displayed correctly. Once I expand the first GroupObject, getChildView() gets called 3 times and displays its ChildObjects correctly. But as soon as I expand another GroupObject, getChildView() returns the

问题 I am trying to implement to a list view with all contact images with the help of base adapter and LruCache. But on a long scroll on screen all the images(corresponding to that view) are displayed before setting actual image. eg: list view with 5 items per page, if we scrolled from first contact to 60th, on first view of list view images of 1,6,11,16,21..51 are displayed for a few milli seconds before the 55th images is shown Main codes are //Adapter public View getView(int position, View

问题 I am using displayImage() method of UniversalImageLoader library in the adapter class, which sets images(from url) in the list items. i want if i reset adapter in my listview, images should not reload if the urls are same as previous urls. 回答1: There is two solution already posted in the issue section of Universal Image Loader . Solution #1: You can use custom displayer: new FadeInBitmapDisplayer(300) { @Override public Bitmap display(Bitmap bitmap, ImageView imageView, LoadedFrom loadedFrom)

问题 I have a large JSON array. I am reading the data from JSON array and storing it in a list view, But the list view repeats the same data. i.e the last data from the JSON instead of displaying all the data. Here is my code. public class HistoryActivity extends AppCompatActivity { private Toolbar toolbar; String strServerResponse = null; ProgressDialog nDialog; Pojo pojo; ArrayList<Pojo> history; HistoryAdapter myAdapter; ListView list; public String date, inTime, outTime, inLat, inLong;

问题 I have to add search functionality on Edittext items in listview are coming from baseadapter I am using this code but .getFilter().filter(s.toString()); is not coming My Code is: approvedfriendList.setAdapter(new ApprovedList()); //*********Search Functionality in Approved Friend List************************ serch_item.addTextChangedListener(new TextWatcher() { @Override public void onTextChanged(CharSequence s, int start, int before, int count) { // TODO Auto-generated method stub //

问题 I'm using a list view and there is a button called "Order" in the list item. I want to show a "tick" image when the user presses the button and hide it when the user presses the button again. My issue is when I clicked on the button on the first item, tick image of the 4th and 8th item is also appeared. This is the onClickListener in the adapter, viewHolderItem.btnOrder.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { boolean isSelected = shoe.isSelected();

问题 I have a Listview and Click Events in the respective listItems and need to get result back from the click events and populate on the List. My BaseAdapter class is public class RemnantListAdapter : BaseAdapter<InventorySlabs> { private PartialInventory context; private List<InventorySlabs> RemnantList; public RemnantListAdapter(PartialInventory partialInventory, List<InventorySlabs> remnantList) { this.context = partialInventory; this.RemnantList = remnantList; } public override InventorySlabs