Question

我有两个列表视图的平板电脑布局，一个是右边，一个是左边。当我单击一个组（左侧列表项）时，组将显示在另一个列表（groupsList）中。现在，当我点击该特定区域中的groupslist时，我需要显示另一个布局。那么如何进行？

以下是我的代码： -

  package com.list.viewer;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.AdapterView.OnItemClickListener;

public class HealthPlan extends Activity 
{

private String[] list1 = { "Group", "Opportunities", "Contacts", "Activities" , "Quotes"};
private String[] list2 = { "", "", "", "" , ""};

private Integer[] imgid = {R.drawable.accounts,R.drawable.s,R.drawable.contacts,
        R.drawable.activities ,R.drawable.s};

static final Integer[] aimgid = {R.drawable.activities_60,R.drawable.activities_60,R.drawable.activities_60,
    R.drawable.activities_60,R.drawable.activities_60};

static final String[] a1 = new String[] {"1-96XO56","1-96XOPL","1-96XOMR","1-96XOKM"};

static final String[] a2 =  new String[] {"Open","Closed","Cancelled","Open"};

static final Integer[] cimgid = {R.drawable.contacts_60,R.drawable.contacts_60,R.drawable.contacts_60,
    R.drawable.contacts_60 ,R.drawable.contacts_60};

static final String[] c1 = new String[] {"Denning","Guido","Castro","Heath"};

static final String[] c2 =  new String[] {"test@test.com","","","kathy.buhler@excellus.com"};

static final Integer[] gimgid = {R.drawable.accounts_60,R.drawable.accounts_60,R.drawable.accounts_60,
    R.drawable.accounts_60 ,R.drawable.accounts_60};

static final String[] g1 = new String[] {"La Maison Blanche Bakery","(NSCC) FRONTIER INFORMATI",
    "american Diamond Tool,Inc","OCH Test 20100831"};

static final String[] g2 =  new String[] {"PRVS - Private Sector","PBLS - Public Sector","PRVS - Private Sector","NATL - National Account"};

static final Integer[] qimgid = {R.drawable.health,R.drawable.health,R.drawable.health,
    R.drawable.health,R.drawable.health};

static final String[] q1 = new String[] {"1-7LY9JK","1-7GRMRO","1-7FCJBR","1-7GRMP4"};

static final String[] q2 =  new String[] {"In-Progress","Created","Install In Progress",
    "Installed"};

static final Integer[] oimgid = {R.drawable.health,R.drawable.health,R.drawable.health,
    R.drawable.health,R.drawable.health};

static final String[] o1 = new String[] {"Long Term Care","HMO Blue Choice Value",
    "Drug","Long Term Care"};

static final String[] o2 =  new String[] {"New Business - Exclusive",
    "Win Exclusive","New Business - Nonexclusive","Change Product / Service"};

private ListView lister1;
private ListView lister2;

@Override
public void onCreate(Bundle savedInstanceState)
{
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    lister1 = (ListView) findViewById(R.id.ListView1);
    lister2 = (ListView) findViewById(R.id.ListView2);

    ItemsAdapter itemsAdapter = new ItemsAdapter(HealthPlan.this,
            R.layout.row, list1 , list2,imgid);
    lister1.setAdapter(itemsAdapter);

    lister2.setAdapter(new ItemsAdapter(HealthPlan.this,
            R.layout.row, g1 , g2,gimgid));

    lister2.setOnItemClickListener(new OnItemClickListener() 
    {
        @Override
        public void onItemClick(AdapterView<?> arg0, View arg1, int position,
                long arg3) 
        {


        }

    });

    lister1.setOnItemClickListener(new OnItemClickListener() 
    {
        @Override
        public void onItemClick(AdapterView<?> arg0, View arg1,
                int position, long arg3)
        {
            String[] lister = null;
            String[] lister1 = null;
            Integer[] image = null;
            switch (position) 
            {
            case 0:
                lister = g1;
                lister1 = g2;
                image = gimgid;
                break;
            case 1:
                lister = o1;
                lister1 = o2;
                image = oimgid;
                break;
            case 2:
                lister = c1;
                lister1 = c2;
                image = cimgid;
                break;
            case 3:
                lister = a1;
                lister1 = a2;
                image = aimgid;
                break;
            case 4:
                lister = q1;
                lister1 = q2;
                image = qimgid;
                break;
            default:
                lister = g1;
                lister1 = g2;
                image = gimgid;
            }
            lister2.setAdapter(new ItemsAdapter(HealthPlan.this,
                    R.layout.row, lister , lister1 ,image));
        }
    });
}

private class ItemsAdapter extends BaseAdapter 
{
    String[] items;
    String[] items1;
    Integer[] images;

    public ItemsAdapter(Context context, int textViewResourceId,String[] items,String[] items1,Integer[] images)
    {
        this.items = items;
        this.items1 = items1;
        this.images=images;
    }

    @Override
    public View getView(final int position, View convertView, ViewGroup parent) 
    {
        TextView mDescription;
        TextView mDescription1;
        View view = convertView;
        ImageView image;

        if (view == null)
        {
            LayoutInflater vi = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            view = vi.inflate(R.layout.row, null);
        }

        image = (ImageView) view.findViewById(R.id.icon);
        mDescription = (TextView) view.findViewById(R.id.tt1);
        mDescription1 = (TextView) view.findViewById(R.id.tt2);
        mDescription.setText(items[position]);
        mDescription1.setText(items1[position]);
        image.setImageResource(images[position]);
        return view;
    }

    public int getCount()
    {
        return items.length;
    }

    public Object getItem(int position)
    {
        return position;
    }

    public long getItemId(int position) 
    {
        return position;
    }
}

}

Answer 1

在显示第三个列表方面，它实际上很容易做到，并且适合您的模式。在您的布局文件中，定义第三个列表，但将其可见性设置为已消失，以便无法看到它。现在，当您在第二个列表中单击时，您可以设置第三个列表的可见性以使其可见：

Lister.setVisibility (View.VISIBLE) ;

Android平板电脑上的Listview

1 个答案: