LongClickPreference.java

package ml.puredark.hviewer.ui.preferences;

import android.content.Context;
import android.preference.Preference;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ListAdapter;
import android.widget.ListView;

/**
 * Created by PureDark on 2016/10/9.
 */

public class LongClickPreference extends Preference implements View.OnLongClickListener {
    private View.OnLongClickListener onLongClickListener;

    public LongClickPreference(Context context) {
        super(context);
    }

    public LongClickPreference(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
    }

    public LongClickPreference(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public void setOnLongClickListener(View.OnLongClickListener onLongClickListener) {
        this.onLongClickListener = onLongClickListener;
    }

    @Override
    protected View onCreateView(ViewGroup parent) {
        if (parent instanceof ListView) {
            ListView listView = (ListView) parent;
            listView.setOnItemLongClickListener((parent1, view, position, id) -> {
                ListView listView1 = (ListView) parent1;
                ListAdapter listAdapter = listView1.getAdapter();
                Object obj = listAdapter.getItem(position);
                if (obj != null && obj instanceof View.OnLongClickListener) {
                    View.OnLongClickListener longListener = (View.OnLongClickListener) obj;
                    return longListener.onLongClick(view);
                }
                return false;
            });
        }
        return super.onCreateView(parent);
    }

    @Override
    public boolean onLongClick(View v) {
        return onLongClickListener != null && onLongClickListener.onLongClick(v);
    }
}