android-listview

问题 When I delete a line if it was checked(checkBox = true ) the next line gets the check. I have few lines, second line checked third NOT checked. I delete second line, and then the third(which is now the second) becomes checked... I dont want it to be checked after delete. I delete in Activity code in onContextItemSelected() . Adapter Code: public class TodoAdapter2 extends ArrayAdapter<TodoTask>{ Context context; int layoutResourceId; ArrayList<TodoTask> data = null; public TodoAdapter2

问题 I want to have a listview with textview + check box. I was able to create the listview. I can capture listview item select. However when I try to capture check box select, unselect I get a null pointer exception. How to write the setOnCheckedChangeListener() for the check box.. public class LocationActivity extends Activity{ @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.locationmain

问题 below is my code i want to add delete listview message when user click on long press selected message will delete from listview and also database help me how to do that im usign tread in my code so how to delete selected mesage form listview and database any idea? public class MsgActivity extends BackBaseActivity{ ImageView back; Button writemsg; ListView msglist; List<MessageModel> msgarray; MessageAdapter msgadapter; ImageView scroll_down; ImageView scroll_up; int x = 1; public static

问题 Right now i am working with multiple column list view in android. My need is to draw a vertical line between the columns of a multiple column list view in android.Which means i am trying to show this multiple column list-view as like a Grid-View. The below images will make you clear about my doubts,please find it How to achieve this concept.Suggestions? thanks in advance!.. 回答1: <View android:id="@+id/view1" android:layout_width="fill_parent" android:layout_height="2dip" android:layout_below=

问题 I am tying to implement search functionality in my app. I am using a custom ArrayAdapter<String> for the listview as I have two textViews in a row. My app doesn't force close but the search is not working properly. It is not filtering the listview but when I type something that is not there in the listview, it shows the no item found page properly. What could be wrong? Here is the code. Please guide me to the correct path! MainActivity.java public class MainActivity extends Activity { final

问题 Ive seen plenty of posts, plenty of tutorials but i can't find the key to make this work. I have a listView with friend requests,as u see these requests have 2 buttons (accept or deny) and i want to know how can i know which button is clicked (At the moment it doesnt even works to tell me if an item is clicked). Please help, im like desperate. Heres the code of the Activity import java.util.ArrayList; import java.util.HashMap; import java.util.List; import org.apache.http.NameValuePair;

问题 Ive seen plenty of posts, plenty of tutorials but i can't find the key to make this work. I have a listView with friend requests,as u see these requests have 2 buttons (accept or deny) and i want to know how can i know which button is clicked (At the moment it doesnt even works to tell me if an item is clicked). Please help, im like desperate. Heres the code of the Activity import java.util.ArrayList; import java.util.HashMap; import java.util.List; import org.apache.http.NameValuePair;

问题 I'm learning how to change single item custom listview android with AsyncTask, I've followed this tutorial. but it's seem not work in my listview. this my code private class ViewHolder { public ImageButton favorite; public TextView jmlh_favorite; protected int position; } public View getView(final int position, View convertView, ViewGroup parent) { View vi = convertView; final ViewHolder holder; if (convertView == null) { vi = inflater.inflate(R.layout.laporan_list_item, null); holder = new

问题 I'm learning how to change single item custom listview android with AsyncTask, I've followed this tutorial. but it's seem not work in my listview. this my code private class ViewHolder { public ImageButton favorite; public TextView jmlh_favorite; protected int position; } public View getView(final int position, View convertView, ViewGroup parent) { View vi = convertView; final ViewHolder holder; if (convertView == null) { vi = inflater.inflate(R.layout.laporan_list_item, null); holder = new

问题 I am creating a shopping cart app and I am trying to populate a String[] Product which is called items. Each item has an ID a Name and a Price. The issue I am having is that I am trying to make a custom ListView but I can not get it to run on my android device. It keeps crashing every time I use a customer ListView. Maybe I am not doing it right or I need to create a customer adapter as well? I have tried these methods but neither were successful. Here is what I have, I currently am using the