Comment détecter les doubles robinets sur des éléments ListView dans Android?

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comment mettre en œuvre double-cliquez sur l'android

OriginalL'auteur Sergii Kozyrev

Si vous n'avez pas besoin de prévenir seul clic à être licenciés, vous pouvez faire beaucoup plus simple:

@Override
public void onItemClick(AdapterView<?> adapterView, View view, int position, long l) {
    long currTime = System.currentTimeMillis();
    if (currTime - mLastClickTime < ViewConfiguration.getDoubleTapTimeout()) {
        onItemDoubleClick(adapterView, view, position, l);
    }
    mLastClickTime = currTime;
}

public void onItemDoubleClick(AdapterView<?> adapterView, View view, int position, long l) {
    ToastHelper.showToast("Double click");
}

OriginalL'auteur Oleksandr Albul

Vous pouvez utiliser le code ci-dessous (lvData est un ListView variable):

int previousPosition=-1;
int count=0;
long previousMil=0;
private void addEvents() {
    lvData.setOnItemClickListener(new AdapterView.OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            if(previousPosition==position)
            {
                count++;
                if(count==2 && System.currentTimeMillis()-previousMil<=1000)
                {
                    Toast.makeText(MainActivity.this,"Double tap at"+position,Toast.LENGTH_SHORT).show();
                    count=1;
                }
            }
            else
            {
                previousPosition=position;
                count=1;
                previousMil=System.currentTimeMillis();
            }
        }
    });
}

OriginalL'auteur duythanhit

À l'aide de @Graeme réponse j'ai trouvé ceci:
DoubleTapListViewItem.class:

import android.view.View;
import android.view.ViewConfiguration;
import android.widget.AdapterView;
import android.widget.ListView;
import com.badoo.mobile.util.WeakHandler; //or any other handler
public class DoubleTapListViewItem {
private Object mClickedItem;
private WeakHandler handler;
private ListView listView;
private DoubleTapListViewItemInterface doubleTapInterface;
public DoubleTapListViewItem(final AdapterView<?> parent, final View view, final int position, final long id, final WeakHandler handler, final ListView listView, final DoubleTapListViewItemInterface doubleTap){
if(handler == null)
throw new NullPointerException("handler must not be null");
this.handler = handler;
if(listView == null)
throw new NullPointerException("listView must not be null.");
this.listView = listView;
if(doubleTap == null)
throw new NullPointerException("doubleTap must not be null. The calling class should implement DoubleTapListViewItemInterface.java");
doubleTapInterface = doubleTap;
onItemTouch(parent,view,position,id);
}
public void onItemTouch(final AdapterView<?> parent, final View view, final int position, final long id){
synchronized (listView){
if(mClickedItem != null && mClickedItem.equals(parent.getItemAtPosition(position))) {
mClickedItem = null;
doubleTapInterface.onItemDoubleClick(parent, view, position, id); //double tap action
return;
}
handler.postDelayed(new Runnable() {
@Override
public void run() {
synchronized (listView) {
if(mClickedItem != null) {
mClickedItem = null;
doubleTapInterface.onItemClick(parent, view, position, id);  //single tap
}
}
}
}, ViewConfiguration.getDoubleTapTimeout());
mClickedItem = parent.getItemAtPosition(position);
}
}
}

La DoubleTapListViewItemInterface:

import android.view.View;
import android.widget.AdapterView;
public interface DoubleTapListViewItemInterface {
void onItemClick(AdapterView<?> parent, View view, int position, long id);
void onItemDoubleClick(AdapterView<?> parent, View view, int position, long id);
}

Et d'ajouter la fonctionnalité et de l'activité (ou fragment):

 public class ExampleActivity extends AppCompatActivity implements DoubleTapListViewItemInterface {
@BindView(R.id.listViewLayout) ListView listView; //ButterKnife
private DoubleTapListViewItem doubleTapListViewItem;
private Adapter listViewAdapter;
private WeakHandler mainHandler;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_layout);
ButterKnife.bind(this);
mainHandler = new WeakHandler();
//get data, pass to the adapter and call listView.setAdapter(listViewAdapter);
}
@Override
protected void onDestroy(){
mainHandler.removeCallbacksAndMessages(null);
super.onDestroy();
}
@OnItemClick(R.id.listViewLayout) //ButterKnife
public void onItemClickListInstance(final AdapterView<?> parent, final View view, final int position, final long id){
if(doubleTapListViewItem == null)
doubleTapListViewItem = new DoubleTapListViewItem(parent, view, position, id, mainHandler, listView,this);
else
doubleTapListViewItem.onItemTouch(parent, view, position, id);
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id){
Toast.makeText(getActivityFromWeakReference(),"single tap detected",Toast.LENGTH_SHORT).show();
}
@Override
public void onItemDoubleClick(AdapterView<?> parent, View view, int position, long id){
Toast.makeText(getActivityFromWeakReference(),"double tap detected",Toast.LENGTH_SHORT).show();
}
}

OriginalL'auteur Maxime Claude