custom-adapter

问题 I have a listview with custom adapter in listfragment and also set onclicklistner for listview. But Onclicklistner does not work. Here is my code: public class BasicFragment extends ListFragment { ListView lv; MyCustomAdapter adapter; @Override public void onCreate(Bundle si) { super.onCreate(si); } @Override public void onActivityCreated(Bundle b) { super.onActivityCreated(b); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View

问题 I am developing an app which has a list view with custom layout as follows : It has 4 RadioButtons in RadioGroup and a TextView . Actually, it ll be shown as question ( TextView ) and answers ( RadioButtons ) list. Above view is inflated in my custom adapter which extends ArrayAdapter<Question> . The problem is that, how should I maintain the state of RadioButtons in my custom Adapter ? When RadioButton is pressed/checked and list is scrolled down, adapter automatically recycles view and the

问题 How to find the exact data in sqlite database and retrieve it in a listactivity ? I tried like this but I didn't get the value. search = (EditText) findViewById(R.id.alertsearch); search.addTextChangedListener(new TextWatcher(){ @Override public void afterTextChanged(Editable s) { // TODO Auto-generated method stub list2.clear(); db = openOrCreateDatabase(Contactsnew.DB_NAME, MODE_PRIVATE, null); Cursor cTitle=db.rawQuery(" SELECT * FROM "+ Contactsnew.TABLE02 + " WHERE " + Contactsnew.userid

问题 I have created a list view with multiple items in row. I have also created a search box above. I want to implement search functionality on the basis of particular fields of the list. How can I achieve this? Any help will be appreciated. 回答1: You have to use model, listview, and customadapter with filtering for this. I have created a demo for this. Suppose you have a model named Product, and you are displaying its content in a custom listview where name and price are displayed in a textview. I

问题 Please am trying to implement a filter on my listview. But whenever the text change, the list disappears.Please Help Here are my codes. The adapter class. package com.talagbe.schymn; import java.util.ArrayList; import android.content.Context; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ArrayAdapter; import android.widget.TextView; public class HymnsAdapter extends ArrayAdapter<Hymns> { ArrayList<Hymns> hymnarray; Context

问题 I want to create a custom adapter for my list view. Is there any article which can walk me through how to create one and also explain how it works? 回答1: public class ListAdapter extends ArrayAdapter<Item> { private int resourceLayout; private Context mContext; public ListAdapter(Context context, int resource, List<Item> items) { super(context, resource, items); this.resourceLayout = resource; this.mContext = context; } @Override public View getView(int position, View convertView, ViewGroup