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自從我陷入這個問題以來已經過去了一個星期。 我開發了一個應用程序,使用listView
和editText
來進行搜索。當我進行搜索時,新列表顯示得非常好,但是當我點擊該項目時,它將我重定向到內部列表的項目。 我不知道該怎麼做,請幫助我。這些是我的代碼。 - 對於ReaderListAdapter
:ListView在過濾後沒有顯示正確的項目
public class ReaderListAdapter extends BaseAdapter {
ArrayList<Reader> listReader = new ArrayList<Reader>();
ArrayList<Reader> arrayList;
LayoutInflater layoutInflater;
Context context;
int lastPosition = -1;
// constructeur
public ReaderListAdapter(Context context, ArrayList<Reader> listReader) {
this.listReader = listReader;
this.context = context;
arrayList = new ArrayList<Reader>();;
layoutInflater = LayoutInflater.from(this.context);
arrayList.addAll(listReader);
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return listReader.size();
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return listReader.get(position);
}
@Override
public long getItemId(int arg0) {
// TODO Auto-generated method stub
return arg0;
}
static class ViewHolder {
TextView nomView;
TextView priceView;
ImageView pictureView;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
if (convertView == null) {
convertView = layoutInflater.inflate(R.layout.reader_row, null);
holder = new ViewHolder();
// initialisation des vues
holder.nomView = (TextView) convertView.findViewById(R.id.name);
holder.priceView = (TextView) convertView.findViewById(R.id.price);
holder.pictureView = (ImageView) convertView.findViewById(R.id.picture);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
// affchier les données convenablement dans leurs positions
holder.nomView.setText(listReader.get(position).getName());
holder.priceView.setText(String.valueOf(listReader.get(position).getPrice()));
holder.pictureView.setBackgroundDrawable(listReader.get(position).getPicture());
// changer R.anim.ton_effet
Animation animation = AnimationUtils.loadAnimation(context,(position > lastPosition)
? R.anim.up_from_bottom: R.anim.up_from_bottom);
convertView.startAnimation(animation);
position=lastPosition;
return convertView;
}
// Filter Class
public void filter(String charText) {
charText = charText.toLowerCase(Locale.getDefault());
listReader.clear();
if(charText.length()==0){
listReader.addAll(arrayList);
}
else{
for (Reader c : arrayList) {
if (c.getName().toLowerCase(Locale.getDefault())
.contains(charText)) {
listReader.add(c);
}
}
}
notifyDataSetChanged();
}
}
- 對於MainActivity
:
public class MainActivity extends Activity {
String[] listNames = { "kooora","yahoo", "hespress"};
int[] listPrices = { 1, 2, 3 };
ArrayList<Reader> listReader = new ArrayList<Reader>();;
ArrayList<Reader> listReaderNew;
ListView lv;
EditText search;
ReaderListAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
lv = (ListView) findViewById(R.id.listReader);
search = (EditText) findViewById(R.id.search);
Drawable[] listPictures = {getResources().getDrawable(R.drawable.a1),getResources().getDrawable(R.drawable.a2),getResources().getDrawable(R.drawable.a3)};
for (int i = 0; i < listPictures.length; i++) {
listReader.add(new Reader(i + 1, listNames[i], listPictures[i], listPrices[i]));
}
adapter=new ReaderListAdapter(getApplicationContext(), listReader);
lv.setAdapter(adapter);
//lv.setAdapter(new ReaderListAdapter(getApplicationContext(), listReader));
search.addTextChangedListener(new TextWatcher() {
@Override
public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {
// TODO Auto-generated method stub
}
@Override
public void beforeTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {
// TODO Auto-generated method stub
}
@Override
public void afterTextChanged(Editable arg0) {
// TODO Auto-generated method stub
String text = search.getText().toString().toLowerCase(Locale.getDefault());
MainActivity.this.adapter.filter(text);
}});
lv.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id)
{
Intent intent=new Intent(MainActivity.this,WebActivity.class);
switch (position) {
case 0:
intent.setData(Uri.parse("http://www.kooora.com")) ;break;
case 1:
intent.setData(Uri.parse("http://www.yahoo.com")) ;break;
case 2:
intent.setData(Uri.parse("http://www.hespress.com")) ;break; }if (intent != null) {
startActivity(intent);
}}});}}
請幫助我。提前致謝!
嘿,這不能與「名」 logique,代碼做,如果我們有2個itemes具有爲例「googleAd」和「googletest」這將COS一probleme。正確的做法是與職位合作。但它不適合我:( –
這就是爲什麼我評論一個id爲listitem。你不能使用職位的原因,我解釋以上。 – brainfreak
什麼ou建議解決這個問題? –