android-listview

问题 In my application I have a Touchlistener for my ListView. With the TouchListener I'm able to get the X and Y coordinates from the touch event. Now I want to get the clicked item from the ListView. How can I get the position of the click item in the listView only with an onTouchListener? I do not want to use a onItemClickedListener. 回答1: switch (motionEvent.getActionMasked()) { case MotionEvent.ACTION_DOWN: { if (mPaused) { return false; } // TODO: ensure this is a finger, and set a flag //

问题 I am using the the SearchView in the ActionBar of the ListView . The magnifying glass can be touched, the SearchView shows its edit box, and the user can enter the text for filtering the content of the list. It almost works. However, when the user presses the Up button, the SearchView collapses back to the icon, the text inside the widget is cleared, and the filtering is reset. The effect (in my case) is that the list can be filtered only when the SearchView is not iconified. The wanted

问题 I'm working on ListView . I want to know when exactly getView() is called. Is it called once the adapter is set? And does the line next to "setting adapter" get called once the getView() method completes execution? Please help me know which line gets executed once the getView() finishes execution. That would be a great help for me. Thanks in advance, Vaishnvai 回答1: getView() is called for each item in the list you pass to your adapter. It is called when you set adapter. When getView() is

问题 I'm setting up my app so that people can create groups of their friends. When a group is created, it writes 2 tables to the SQL database. The first table has a group name and a group id. The second table has 2 columns, a group id and a user id. This is working fine. However, now I want to be able to read from the database. I'm using a listview fragment with a cursorloader but I'm having trouble getting the information to display. I want to list all the group names from the first table in my

问题 package com.comboyz.TantaGo; import android.app.ListActivity; import android.os.Bundle; import android.widget.ArrayAdapter; public class startMenu extends ListActivity{ @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setListAdapter(new ArrayAdapter <String>(this,R.layout.startmenu,category)); } static final String [] category= new String []{ "cinema","restuarnt","hotel","cafe","women shoping","men shoping" }

问题 In my application am using customized list-view with text view,edit-text and buttons.When i click the button in "0"Th position and am change the text view values in "0"Th position .when i scroll down the list-view the values in "0"Th position text view changed to what ever in initial state. My base adapter class public class sample extends BaseAdapter{ public ArrayList<HashMap<String, String>> list; Activity activity; public sample(Activity activity,ArrayList<HashMap<String, String>> list) {

问题 I need to make screen similar to this. I think it has autocompletetextview and listview to display returned results. Google Place API is used here to auto suggest places and listview adapter is updated accordingly. Please any kind of help is appreciated. Thanks in advance. Checked android sample project on AutoComplete for places too. But it is not having any listview to display results. Instead it shows results in autocompletetextview spinner. Any modification we can do with that project

问题 I am using navigation drawer in my app,I have fragments like F1,F2 and so on..and in every fragment I am parsing data and display in listview ,everything is works fine if I go through my app like F1>F2>F3 and so on..but the issue is if I go from F3 to F2,the data which I had in my F2 fragments is not showing,and display only blank page,what is the issue?Can any one help? My F1 public class Categriesdrawers extends Fragment{ private ImageView drwr; private SlidingDrawer sldrwr; private

问题 I would like to know if a ListView in Android has an option to place alphabets on the right like the paradigm of iPhone ListView, like below If yes, can someone provide me with sample codes. I am not looking for the one with an Alphabet overlay from ApisDemo but an exact one like the iPhone paradigm. Is it possible? 回答1: I implemented somthing similar a while back so i've modified my activity and you can take a look below, sorry its not very well commented - hope it helps! public class

问题 This post is related to this ViewHolder not working. On that post, I was following a tutorial on how to use ViewHolder on a ListView . What I want now is to have the last item on a ListView to have a different layout than the rest. Here's my code: int lastpos = mList.size()-1; System.out.println("position: "+position+" mlist: "+lastpos); if(position==lastpos){ view = vi.inflate(R.layout.list_item_record, null); holder.textView = (TextView)view.findViewById(R.id.record_view); }else{ view = vi