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私は、各グループ内に入力済みの子アイテムを持つグループのリストを持っています。私はすでにsearchviewとfiltered ressults and myのexpandablelistviewを実装して展開して折りたたむことができます。問題は、OnChildClickListenerを処理する方法がわかりません。OnChildClickListener関数を追加すると、アプリケーションが突然停止しました。誰かが私にこれを手伝うことができますか？ExpandableListView、OnChildClickListener
これは私のコードです：
package com.teamamazing.search;
import java.util.ArrayList;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.app.Activity;
import android.app.SearchManager;
import android.content.Context;
import android.view.Menu;
import android.view.View;
import android.widget.ExpandableListView;
import android.widget.SearchView;
import android.widget.ExpandableListView.OnChildClickListener;
public class Accomodation extends Activity implements
SearchView.OnQueryTextListener, SearchView.OnCloseListener{
private SearchView search;
private Accomodation_Adapter accomodationAdapter;
private ExpandableListView expandableListView;
private ArrayList<AccomodationHeaderRow> headerRows = new ArrayList<AccomodationHeaderRow>();
MediaPlayer mp;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_accomodation);
expandableListView.setOnChildClickListener(expandableListViewClickedItem);
SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
search = (SearchView) findViewById(R.id.search);
search.setSearchableInfo(searchManager.getSearchableInfo(getComponentName()));
search.setIconifiedByDefault(false);
search.setOnQueryTextListener(this);
search.setOnCloseListener(this);
//display the list
displayList();
//expand all Groups
expandAll();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.acco_search, menu);
return true;
}
//method to expand all groups
private void expandAll() {
int count = accomodationAdapter.getGroupCount();
for (int i = 0; i < count; i++){
expandableListView.expandGroup(i);
}
}
//this is my current problem, there's no error yet the application isn't working.
private OnChildClickListener expandableListViewClickedItem = new OnChildClickListener() {
public boolean onChildClick(ExpandableListView parent, View v,
int groupPosition, int childPosition, long id) {
if (groupPosition == 0) {
switch (childPosition) {
//cebuano
case 0:
mp = MediaPlayer.create(getApplicationContext(), R.raw.anyhotel1);
mp.start();
break;
//kapampangan
case 1:
mp = MediaPlayer.create(getApplicationContext(), R.raw.anyhotel2);
mp.start();
break;
//ilocano
case 2:
mp = MediaPlayer.create(getApplicationContext(), R.raw.anyhotel);
mp.start();
break;
}
} else if (groupPosition == 1) {
switch (childPosition) {
//cebuano
case 0:
mp = MediaPlayer.create(getApplicationContext(), R.raw.anyrestaurant1);
mp.start();
break;
//kapampangan
case 1:
mp = MediaPlayer.create(getApplicationContext(), R.raw.anyrestau2);
mp.start();
break;
//ilocano
case 2:
mp = MediaPlayer.create(getApplicationContext(), R.raw.anyrestau);
mp.start();
break;
}
}
return false;
}
};
//method to expand all groups
private void displayList() {
//display the list
loadSomeData();
//get reference to the ExpandableListView
expandableListView = (ExpandableListView) findViewById(R.id.accomodation_exp);
//create the adapter by passing your ArrayList data
accomodationAdapter = new Accomodation_Adapter(Accomodation.this, headerRows);
//attach the adapter to the list
expandableListView.setAdapter(accomodationAdapter);
}
private void loadSomeData() {
ArrayList<AccomodationChildRow> accomodationChildRows = new ArrayList<AccomodationChildRow>();
AccomodationChildRow accomodationChildRow = new AccomodationChildRow("Binisaya: Aduna bay bisag unsa nga hotel nga duol?");
accomodationChildRows.add(accomodationChildRow);
accomodationChildRow = new AccomodationChildRow("Kapampangan: Atin bang malapit a hotel kene?");
accomodationChildRows.add(accomodationChildRow);
accomodationChildRow = new AccomodationChildRow("Ilocano: Adda kadi ti uray ania nga ot-otel ditoy nga asideg?");
accomodationChildRows.add(accomodationChildRow);
AccomodationHeaderRow accomodationHeaderRow = new AccomodationHeaderRow("Are there any hotels near here? | Mayroon bang anumang malapit na hotel dito?", accomodationChildRows);
headerRows.add(accomodationHeaderRow);
accomodationChildRows = new ArrayList<AccomodationChildRow>();
accomodationChildRow = new AccomodationChildRow("Binisaya: Aduna bay bisag-unsa nga ristorant duol dinhi?");
accomodationChildRows.add(accomodationChildRow);
accomodationChildRow = new AccomodationChildRow("Kapampangan:\tAtin bang malapit a pipanganan kene?");
accomodationChildRows.add(accomodationChildRow);
accomodationChildRow = new AccomodationChildRow("Ilocano:\tAdda kadi ti uray ania nga asideg ditoy nga resrestauran?");
accomodationChildRows.add(accomodationChildRow);
accomodationHeaderRow = new AccomodationHeaderRow("Are there any restaurants near here? | Mayroon bang anumang malapit na restawran dito?", accomodationChildRows);
headerRows.add(accomodationHeaderRow);
}
@Override
public boolean onClose() {
accomodationAdapter.filterData("");
// expandAll();
return false;
}
@Override
public boolean onQueryTextChange(String query) {
accomodationAdapter.filterData(query);
expandAll();
return false;
}
@Override
public boolean onQueryTextSubmit(String query) {
accomodationAdapter.filterData(query);
expandAll();
return false;
}
}
ありがとう！