android-listview

问题 Sorry if I can not speak good English, how have multiple Listview in one activity that extends ListActivity such as private List<Tour> tours; ArrayAdapter<Tour> adapter = new ArrayAdapter<Tour>(this, android.R.layout.simple_list_item_1, tours); setListAdapter(adapter); this code is for one Listview in activity that Listview's id is @android:id/list but i have two or more Lisview in one activity Please guide me 回答1: You should extends Activity instead of ListActivity in your code. And in your

问题 I have a ListView(main list) of categories. Each category in this list has a list of subcategories(multiple levels). When any of the main list item is clicked, the same list is repopulated with the subcategory list of the selected item. I want to apply animation to this functionality i.e. when main list item is clicked, the list traverses to the left out of the screen and at the same time the same list with repopulated data comes in from right. So can anyone tell me please if it is possible

问题 My goal When the user taps an item in a listview the item changes background color until the list item is no longer activated (f.e. in single choice mode, the user taps another list item). My problem when tapped on an item in a listview briefly, there is a small delay between the pressed state and the activated state of the listview item; this causes the listview item to flash momentarily (because it reverts to unpressed state before the activated state is set). This only happens when the tap

问题 I have created an custom ListView in which i display image as an list Item. The image i display as a list item is stored in my InternalStorage of the device, What i notice is when number of item is more then seven the list view scroll become slow and the items in the ListView jerk while scrolling. Is anything wrong in my code, or miss something to do in my code. Please help me to solve this out. Code for displaying List View item public class ListViewAdapter extends BaseAdapter { private

问题 Please check the last update down below as I found the issue but don't know how to fix it [Update: project download link] which is very tiny it's just a sample and added Questions class I'm creating a ListView with ArrayAdapter for a quiz. every question has 3 answers as radio buttons. The problem is when I scroll down or up again it replaces the answers of the first question with answers of another question which was hidden by the scroll and replaces the hidden question answers with the

问题 I am developing Android Application. In which i am having list view with text and image. i need to set the imageview visible at run time. ie. when i clicked the view it should appear and when i click next view previous view have to disappear and corresponding imageview in clicking view have to appear. Now i am success in displaying text but i am strucking in appearance of imageview. Inside the onclick of item list i cannot set the resource for imageview Below is my code. public class

问题 I am developing Android Application. In which i am having list view with text and image. i need to set the imageview visible at run time. ie. when i clicked the view it should appear and when i click next view previous view have to disappear and corresponding imageview in clicking view have to appear. Now i am success in displaying text but i am strucking in appearance of imageview. Inside the onclick of item list i cannot set the resource for imageview Below is my code. public class

问题 I have an Activity with a ListView and some TextViews like below, I want to call setText() method of TextViews in OnClickListener in fill() method of adapter. but I don't access to these TextViews ...! How can do this? ActivityMoshtari.class: public class ActivityMoshtari extends Activity { public ArrayList<StructMoshtariItem> moshtariItems = new ArrayList<StructMoshtariItem>(); public ArrayAdapter adaptermoshtari; ListView lstMoshtari; TextView txtInfoMoshtariName; TextView

问题 I'm sure there must be a simple solution to this... I have a SQLite database, and I'm using the standard SimpleCursorAdaptor to put the database into a ListView. No problems there. However, I would like to be able to format some of the data in between the database and the ListView. For example, I want to divide all the data in the "price" column by 100 (in the database a price might be "5400", I want it displayed as "54.00"). 回答1: Use SimpleCursorAdapter.ViewBinder: SimpleCursorAdapter

问题 I'm setting the background color of a row based on a text value of one of it's children. However, multiple backgrounds are being set regardless of its text value. It gets worse when scrolling up and down. The code for the adapter: package com.test.app; import java.util.ArrayList; import android.content.Context; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.ImageView