Mon code fonctionne correctement lorsqu'il s'agit de cliquer sur des éléments. Mais le problème se pose lorsque j'essaie d'ouvrir des activités après avoir filtré listview. Il ouvre toujours l'activité 1.Comment puis-je ouvrir des activités originales en cliquant sur un élément listview après avoir filtré listview?
Voici mon code source.
navigate.java
public class navigate extends Activity {
// Declare Variables
ListView list;
ListViewAdapter adapter;
EditText editsearch;
String[] rank;
String[] names;
int[] flag;
ArrayList<Object> arraylist = new ArrayList<Object>();
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.listview_main);
// Generate sample data
rank = new String[] { "1", "2", "3", "4", "5","6","7","8","9","10","11"};
names = new String[] { "Animal Bite", "Asthma Attack", "Choking","CPR","Black eye",
"Drowning", "Fracture","Heart Attack","Insect Bite","Poisoning","Spinal Injury",};
flag = new int[] { R.drawable.animal,
R.drawable.asthma, R.drawable.choke, R.drawable.cpricon,
R.drawable.blckeye,R.drawable.drown,R.drawable.fracture,R.drawable.hrtattck,R.drawable.insect,R.drawable.poison,R.drawable.spinal };
// Locate the ListView in listview_main.xml
list = (ListView) findViewById(R.id.listview);
for (int i = 0; i < rank.length; i++)
{
Object wp = new Object(rank[i], names[i], flag[i]);
// Binds all strings into an array
arraylist.add(wp);
}
// Pass results to ListViewAdapter Class
adapter = new ListViewAdapter(this, arraylist);
// Binds the Adapter to the ListView
list.setAdapter(adapter);
// Locate the EditText in listview_main.xml
editsearch = (EditText) findViewById(R.id.search);
// Capture Text in EditText
editsearch.addTextChangedListener(new TextWatcher() {
@Override
public void afterTextChanged(Editable arg0) {
// TODO Auto-generated method stub
String text = editsearch.getText().toString().toLowerCase(Locale.getDefault());
adapter.filter(text);
}
@Override
public void beforeTextChanged(CharSequence arg0, int arg1,
int arg2, int arg3) {
// TODO Auto-generated method stub
}
@Override
public void onTextChanged(CharSequence arg0, int arg1, int arg2,
int arg3) {
// TODO Auto-generated method stub
}
});
list.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(final AdapterView<?> listView, View view,
final int position, long id) {
switch ((int) adapter.getItemId(position)) {
case 0:
Intent newActivity = new Intent(navigate.this, animalbite.class);
startActivity(newActivity);
break;
case 1:Intent newActivity1 = new Intent(navigate.this, asthmaattack.class);
startActivity(newActivity1);
break;
case 2:Intent newActivity2 = new Intent(navigate.this, animalbite.class);
startActivity(newActivity2);
break;}
}
});
}
}
ListViewAdapter.java
public class ListViewAdapter extends BaseAdapter {
// Declare Variables
Context mContext;
LayoutInflater inflater;
private List<Object> objectList = null;
private ArrayList<Object> arraylist;
public ListViewAdapter(Context context,
List<Object> objectList) {
mContext = context;
this.objectList = objectList;
inflater = LayoutInflater.from(mContext);
this.arraylist = new ArrayList<Object>();
this.arraylist.addAll(objectList);
}
public class ViewHolder {
TextView name;
ImageView flag;
}
@Override
public int getCount() {
return objectList.size();
}
@Override
public Object getItem(int position) {
return objectList.get(position);
}
public String getCountry(int position){return objectList.get(position).getCountry();}
@Override
public long getItemId(int position) {
return position;
}
public View getView(final int position, View view, ViewGroup parent) {
final ViewHolder holder;
if (view == null) {
holder = new ViewHolder();
view = inflater.inflate(R.layout.listview_item, null);
// Locate the TextViews in listview_item.xml
//holder.rank = (TextView) view.findViewById(R.id.rank);
holder.name = (TextView) view.findViewById(R.id.name);
// Locate the ImageView in listview_item.xml
holder.flag = (ImageView) view.findViewById(R.id.flag);
view.setTag(holder);
} else {
holder = (ViewHolder) view.getTag();
}
// Set the results into TextViews
//holder.rank.setText(objectList.get(position).getRank());
holder.name.setText(objectList.get(position).getCountry());
;
// Set the results into ImageView
holder.flag.setImageResource(objectList.get(position)
.getFlag());
// Listen for ListView Item Click
view.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
// Send single item click data to SingleItemView Class
// Pass all data rank
// Start SingleItemView Class
switch (position) {
case 0:
Intent intent = new Intent(mContext, animalbite.class);
mContext.startActivity(intent);break;
case 1:
Intent i2 = new Intent(mContext, asthmaattack.class);
mContext.startActivity(i2);break;
case 2:
Intent i3 = new Intent(mContext, choking.class);
mContext.startActivity(i3);break;
case 3:
Intent i4 = new Intent(mContext, cpr.class);
mContext.startActivity(i4);break;
case 4:
Intent i5 = new Intent(mContext, lackeye.class);
mContext.startActivity(i5);break;
case 5:
Intent i6 = new Intent(mContext, drowning.class);
mContext.startActivity(i6);break;
case 6:
Intent i7 = new Intent(mContext, Fracture.class);
mContext.startActivity(i7);break;
case 7:
Intent i8 = new Intent(mContext, heartattack.class);
mContext.startActivity(i8);break;
case 8:
Intent i9 = new Intent(mContext, insectbite.class);
mContext.startActivity(i9);break;
case 9:
Intent i10 = new Intent(mContext, poisoning.class);
mContext.startActivity(i10);break;
case 10:
Intent i11 = new Intent(mContext, spinalinjury.class);
mContext.startActivity(i11);break;
}}});
return view;
}
// Filter Class
public void filter(String charText) {
charText = charText.toLowerCase(Locale.getDefault());
objectList.clear();
if (charText.length() == 0) {
objectList.addAll(arraylist);
} else {
for (Object wp : arraylist) {
if (wp.getCountry().toLowerCase(Locale.getDefault())
.contains(charText)) {
objectList.add(wp);
}
}
}
notifyDataSetChanged();
}
}
Object.java
public class Object {
private String rank;
private String country;
private int flag;
public Object(String rank, String country,
int flag) {
this.rank = rank;
this.country = country;
this.flag = flag;
}
public String getCountry() {
return this.country;
}
public int getFlag() {
return this.flag;
}
}
Comment puis-je ouvrir différentes activités en cliquant sur les éléments de ListView après que je les filtre.
Ceci est l'exemple de code que j'ai utilisé. Bien qu'il ne fournisse pas la fonctionnalité permettant d'ouvrir des activités originales par le biais de l'intention, il ne s'agit que d'une activité falsifiée, alors j'essaie de changer cela. http://www.androidbegin.com/tutorial/android-search-filter-listview-images-and-texts-tutorial/
vous dire la position dans '(int) adapter.getItemId (position)' est le même pour tout filtrage? –
Vous avez vraiment foiré le code. Si vous rencontrez des problèmes avec l'élément listview, cliquez sur "post" uniquement pour afficher le code correspondant à l'élément. Utilisez itemclicklistener pour listview et seulement là implémentez le code approprié pour cliquer, vous avez également défini un clicklistener sur la vue elle-même dans la méthode getview qui est totalement floue. – Juvi
oui, il redirige toujours vers la première activité malgré les cas. @ Mahdi.Pishguy – Nivedita