onitemclick

问题 I create a database and table (categories) with columns (_id, title, ...) I want to read categories from db and show category list as a listview. here is y code: public class MainActivity extends listActivity{ private ArrayAdapter arrayAdapter; ArrayList results = new ArrayList(); ListView catlist; Cursor cur; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); catlist = getListView(); int parentid = getIntent

问题 I have a Windows 8 application with a ListView: <ListView x:Name="EventListView" ItemClick="EventListView_ItemClick_1" IsItemClickEnabled="True"/> There is some Event objects (a separate class with string attributes like EventType, Description, Time, etc..) that is the source of the ListView: List<Event> eventlist = new List<Event>{ new Event(CONNECTION, "Disconnected", DateTime.Now.ToString(), MONITOR, "SAMSUNG M5", CONNECTION_IMG, RED), new Event(SYNC, "Synchronised", DateTime.Now.ToString(

问题 have searched listview OnClick not working pages, doesn't solve. my Activity populates listview by calling a custom adapter MyArrayAddapter which extends ArrayAdapter class. The problem: onItemClick() or setOnItemClick() ain't responding. when i click on any of the items no action takes place, not even log statements get executed. <<>> code snippet: Under my class which extends Activity implements OnItemClickListener, I initialize and call following functions in OnCreate() method: private

问题 I have a ListView . on click of a list item I start a Activity . Now I have added a Button on that ListView and onclick of a button I want to start a another activity. After adding a Button, I can click on the button and start a Activity but now I can not click a list item. What happened to listview's item click ?? 回答1: Read this excellent blog post: Focus problems with list rows and ImageButtons Essentially you should add the following to your root layout element in the row-item xml. android

问题 I have created an Adapter and ViewHolder for the recyclerView. I bind the imageButton of the itemView inside the Viewholder. And have set an onClickListener inside the onBindViewHolder. Everything works as expected but the issue is now when i scroll down the list the selected state of the imageButton changes for the selected item and some of the items on the bottom of the list already appear selected. Here is the some code public class ListViewHolder extends RecyclerView.ViewHolder { TextView

问题 I am trying to get value of TextView from clicked row of ArrayAdapter. I have two problems: 1. How do i detect row clicked? 2. How to get vaule of that row? I am using this code to display the list: import java.util.ArrayList; import java.util.HashMap; import android.app.Activity; import android.os.Bundle; import android.text.Editable; import android.text.TextWatcher; import android.widget.ArrayAdapter; import android.widget.EditText; import android.widget.ListView; public class MainActivity

问题 I have a problem regarding the clicking of the item. Whenever i click or touch, the application stops. I wonder what's wrong with my code. This is the part of my code. The RowItem is a POJO. Then MyCustomBaseAdapter extends BaseAdapter. public void onCreate(Bundle savedInstanceState){ requestWindowFeature(Window.FEATURE_NO_TITLE); super.onCreate(savedInstanceState); setContentView(R.layout.shop_main); Intent intent = getIntent(); String categoryId = intent.getStringExtra("id"); JSONParser

问题 I´ve a problem in my Android Project. It´s a music track player, which shows each track in a ListFragment. Every item has got a Bitmap, where an oscilloscope is drawn on the bitmaps canvas. The items in the Listfragment are refreshed periodically. This is done via notifyDataSetChanged(); I also want to mute one track when I click on the item, but the onItemClick event doesn´t get fired every time. Only sometimes. Can anyone explain this to me? What am I doing wrong here? It works perfect

问题 I really need your help. I have a database with latitude and longitude data, here the example: id_ _ __ _ name _ ____ lat _ __ _ ____ _long 1_ _ ___ hotel one _ __ 6.1234 _ __ _ __ -106.12345 2_ _ __ hotel two _ ___ 6.54321 _ __ _ _ -107.23456 3_ _ _ hotel three _ __ 7.12345 _ __ _ _ -106.98765 The data display in ListView on Android. And i use onItemClick, so if i click one of the item in ListView it will go to Intent(android.content.Intent.ACTION_VIEW, Uri.parse("http://maps.google.com/maps

问题 My app implements a HashMap , such that when a key is typed in the AutoCompleteTextView editText , and user clicks a dropdown item, the value gets displayed on a textView . The only problem is that the clicked drop-down item does not respond on the first click (this only happens once, after the app is launched but works fine subsequently), the user MUST re-type a key and click the item before it displays the value. Any suggestions as to how to resolve this? Java code: public class