[转载]tabhost+listview多选 添加 删除 例子 - Code大蛇丸 - 博客园

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[转载]tabhost+listview多选 添加 删除 例子 – Code大蛇丸 – 博客园.

本程序 涉及到了listview的多选 删除 添加。以及tabhost的使用。代码可能有点混乱, 这也是我结合网上资料做的,将就看吧。效果类似ucweb的历史书签管理。当然很难看啊 效果我感觉就是那个意思,比较简陋。见谅了

 

下看下面效果图

默认显示基本设置

点击管理后 的效果

 

点击添加的效果

 

 

复制代码
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout  xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
>
<!-- RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
-->
<TabHost android:id="@id/android:tabhost"
    android:layout_height="fill_parent"
    android:layout_width="fill_parent"
    android:layout_above="@+id/gridview"
    >
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:orientation="vertical"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        >
          <TabWidget android:id="@id/android:tabs"
              android:layout_height="wrap_content"
              android:layout_width="fill_parent"
              android:gravity="left"

              />
          <FrameLayout android:id="@id/android:tabcontent"
              android:layout_height="fill_parent"
              android:layout_width="fill_parent"

              > 
              <LinearLayout android:id="@+id/cb"
                android:orientation="vertical"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                >
                <LinearLayout 
                    android:orientation="vertical"
                    android:layout_width="fill_parent"
                    android:layout_height="fill_parent"
                    android:layout_weight="1"

                >
                <CheckBox android:id="@+id/checkbox01" 
                        android:layout_width="fill_parent" 
                         android:layout_height="wrap_content" 
                        android:text=" 启用 自定义配置"
                      />
                 <CheckBox android:id="@+id/checkbox02" 
                        android:layout_width="fill_parent" 
                        android:layout_height="wrap_content" 
                        android:text=" 启用默认配置"
                      />
                </LinearLayout>
                <GridView android:id="@+id/gridview"
                    android:layout_width="fill_parent"
                    android:layout_height="wrap_content"
                 android:background="@drawable/button"
                    />
                    <!--  -->

               </LinearLayout>
            <LinearLayout android:id="@+id/list"    
                  android:layout_width="fill_parent"
                  android:layout_height="fill_parent"
                  android:orientation="vertical"
                  >
                  <ListView android:id="@+id/listview"
                      android:layout_width="fill_parent"
                      android:layout_height="fill_parent"
                      android:cacheColorHint="#00000000"
                      android:layout_weight="1" 
                      >
                      <!--android:background="@drawable/listviewbackground"  -->
                  </ListView> 
                  <GridView android:id="@+id/gridview01"
                    android:layout_width="fill_parent"
                    android:layout_height="wrap_content"
                    android:background="@drawable/button"
                />  
              </LinearLayout>
          </FrameLayout>
    </LinearLayout>
</TabHost>
</LinearLayout>
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="horizontal"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >

 <ImageView 
     android:id="@+id/imgview"
     android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentLeft="true"
    android:padding="5dp"
    />

  <TextView 
    android:id="@+id/link"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:textSize="18sp"
    android:padding="3dp"
       android:gravity="center_vertical"
  />

</LinearLayout>
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复制代码
<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string name="hello">Hello World, GreenActivity!</string>
    <string name="app_name">green</string>
    <drawable name="gridviewbackground">#0077AA</drawable>
    <drawable name="listviewbackground">#FFFFFF</drawable> 
    <drawable name="black">#000000</drawable>
    <drawable name="bg">#E6ECF6</drawable>
    <drawable name="fc">#99CCFF</drawable>
    <drawable name="gd">#577FB5</drawable>
</resources>
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复制代码
package com.android.green;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map; 
import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.app.Dialog;
import android.app.TabActivity;
import android.content.Context;
import android.content.DialogInterface;
import android.graphics.Color;
import android.opengl.Visibility;
import android.os.Bundle;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Adapter;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.BaseAdapter;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.EditText;
import android.widget.GridView;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TabHost;
import android.widget.TabHost.OnTabChangeListener;
import android.widget.TabWidget;
import android.widget.TextView;
import android.widget.Toast;

public class GreenActivity extends TabActivity {
    /** Called when the activity is first created. */
    private GridView configGrid, managerGrid;
    private String configData[] = {"应用","退出"};
    private String managerData[] ={"添加","删除","退出"};
    private ListView listview = null;
    private SimpleAdapter adapter;
    private List list;

    private Map<String, Object> listTemp;
    private EditText et ;
    private CheckBox whiteCb, defWhiteCb;
    private int index = 0;
    private AlertDialog addDlg, exitDlg, removeDlg;
    /*-- configGrid底部菜单选项下标--*/
    private final int CONFIG_ITEM_APPLY = 0;// 应用
    private final int CONFIG_ITEM_EXIT = 1;// 退出
    /*-- managerGrid底部菜单选项下标--*/
    private final int MANAGE_ITEM_ADD = 0; // 添加
    private final int MANAGE_ITEM_REMOVE = 1; // 删除
    private final int MANAGE_ITEM_EXIT = 2; // 退出

    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
       setContentView(R.layout.main);
        whiteCb = (CheckBox)findViewById(R.id.checkbox01);
        defWhiteCb = (CheckBox)findViewById(R.id.checkbox02);

        whiteCb.setOnCheckedChangeListener(new OnCheckedChangeListener() 
        {
            @Override
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) 
            {
                if (whiteCb.isChecked())
                {
                    System.out.println("white is checked");
                }
            }
        });
        defWhiteCb.setOnCheckedChangeListener(new OnCheckedChangeListener() {

            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {

                if(defWhiteCb.isChecked())
                System.out.println("default white is checked");
            }
        });
        // 对话框添加
        et = new EditText(this);
        et.setSingleLine(true);
        addDlg = new AlertDialog.Builder(GreenActivity.this).setTitle("添加页面").setView(et).
        setPositiveButton("确定",new DialogInterface.OnClickListener() {

            public void onClick(DialogInterface dialog, int which) {

                 addItem(et.getText().toString());
            }

        }).setNegativeButton("取消", null).create() ;

        //退出确认对话框
        exitDlg = new AlertDialog.Builder(this).setTitle("友情提醒").setMessage("确定要退出吗?").
        setPositiveButton("确定",new DialogInterface.OnClickListener() {

            public void onClick(DialogInterface dialog, int which) {
                // TODO Auto-generated method stub
                finish();
            }
        }).setNegativeButton("取消", null).create();

        // 删除确认对话框
        removeDlg = new AlertDialog.Builder(this).setTitle("删除提示").setMessage("确定删除选中的内容吗?").
        setPositiveButton("确定", new DialogInterface.OnClickListener() {

            public void onClick(DialogInterface dialog, int which) {
                // TODO Auto-generated method stub
                removeS(list); 
            }
        }).setNegativeButton("取消", null).create();

        //TabHost的相关设置
        int width =45;  
        int height =50;
        final TabHost tabhost = getTabHost();
        tabhost.addTab(tabhost.newTabSpec("checkbox").setIndicator("基本配置").setContent(R.id.cb));
        tabhost.addTab(tabhost.newTabSpec("listview01").setIndicator("管理").setContent(R.id.list));
        final TabWidget tabwidget = tabhost.getTabWidget();

        for (int i = 0; i < tabwidget.getChildCount(); i++)
        {
            //设置页签高度和页签内字体属性
            TextView tv = (TextView)tabwidget.getChildAt(i).findViewById(android.R.id.title);
            tabwidget.getChildAt(i).getLayoutParams().height = height;  
            tabwidget.getChildAt(i).getLayoutParams().width = width; 
       //     tabwidget.setBackgroundResource(R.drawable.toolbar);
            tv.setTextSize(15);
            tv.setTextColor(Color.BLACK);
            tv.setGravity(Gravity.CENTER_HORIZONTAL);
        }
       //配置页gridview的设置
        configGrid = (GridView)findViewById(R.id.gridview);
        configGrid.setNumColumns(configData.length);
        GridAdapter gridAdapter = new GridAdapter(this,Arrays.asList(configData));
        configGrid.setAdapter(gridAdapter);
      //白名单页gridview的设置
        managerGrid = (GridView)findViewById(R.id.gridview01);
        managerGrid.setNumColumns(managerData.length);
        GridAdapter grid01Adapter = new GridAdapter(this,Arrays.asList(managerData));
         managerGrid.setAdapter(grid01Adapter);

         listview = (ListView)findViewById(R.id.listview);
         adapter = new SimpleAdapter(this, getData(),
                  R.layout.listview, new String[]{"link","img"},new int[]{R.id.link, R.id.imgview});                  
        listview.setAdapter(adapter);
        listview.setOnItemClickListener(new OnItemClickListener() {

            // 捕捉点击 对图片进行变换

            public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,long arg3) 
            { 
                Map <String, Object>m1 = (Map <String, Object>)list.get(arg2);
                if (m1.get("img").equals( 2130837509))         //2130837509为图片select.jpg在R中的编号
                {
                    ChangeImg(arg2,true);
                }
                else
                {
                    ChangeImg(arg2,false);
                }
            }

        });

        configGrid.setOnItemClickListener( new OnItemClickListener(){

            @Override
            public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3)
            {
                switch(arg2)
                {
                case CONFIG_ITEM_APPLY:        // 发送白名单 默认白名单的配置 接收配置
                    System.out.println("hello world");
                    break;
                case CONFIG_ITEM_EXIT:  
                    finish();
                    break;
                default:
                }
            }                  
         });

        //白名单管理页面的监听器
         managerGrid.setOnItemClickListener(new OnItemClickListener(){
            @Override
            public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,long arg3) 
            {
                switch(arg2)
                {
                case MANAGE_ITEM_ADD:     // 弹出一个页面用来添加白名单 发送消息
                        addDlg.show();      // 从dialog中接受输入的内容
                    break;
                case MANAGE_ITEM_REMOVE://删除选中的listview项  发送消息
                    removeDlg.show();
                    break;
                case MANAGE_ITEM_EXIT:    // 退出
                    exitDlg.show(); 
                    break;
                default:
                }
            }             
         });

    }

    //变换图像(选中未选中)
    private void ChangeImg(int selectedItem, boolean b)
    {
        SimpleAdapter la = adapter;
        HashMap<String, Object> map = (HashMap<String, Object>)la.getItem(selectedItem);
        if (b)
            map.put("img", R.drawable.radio_on);
        else 
            map.put("img", R.drawable.radio_off);
        la.notifyDataSetChanged();
    }

    public class GridAdapter extends BaseAdapter{
        Context context;
        List list;
        public GridAdapter(Context c,List datalist){
            this.context = c;
            list = datalist;
        }

        public GridAdapter(OnTabChangeListener onTabChangeListener,
                List<String> asList) {
            // TODO Auto-generated constructor stub
        }
        public int getCount() {
            // TODO Auto-generated method stub
            return list.size();
        }

        public Object getItem(int position) {
            // TODO Auto-generated method stub
            return position;
        }
        public long getItemId(int position) {
            // TODO Auto-generated method stub
            return position;
        }

        public View getView(int position, View convertView, ViewGroup arg2) {
            TextView tv;
            if(convertView == null){
                tv = new TextView(context);
            }else{
                tv = (TextView)convertView;
            }
            tv.setLayoutParams( new GridView.LayoutParams(110,48));
            tv.setTextColor(Color.WHITE);
            tv.setGravity(Gravity.CENTER);
            tv.setTextSize(20);
            tv.setText(list.get(position).toString());

            return tv;
        }

    }
    /**
     * 初始化list
     * @return
     */
    private List getData(){
        list = new ArrayList();
        Map<String,Object> map = new HashMap<String,Object>();
        Map<String,Object> map2 = new HashMap<String,Object>();
        Map<String,Object> map3 = new HashMap<String,Object>();
        Map<String,Object> map4 = new HashMap<String,Object>();
        Map<String,Object> map5 = new HashMap<String,Object>();
        Map<String,Object> map6 = new HashMap<String,Object>();
        Map<String,Object> map7 = new HashMap<String,Object>();
        Map<String,Object> map8 = new HashMap<String,Object>();
        Map<String,Object> map9 = new HashMap<String,Object>();

        map.put("img", R.drawable.radio_off);
        map.put("link", "http://3g.uc.cn/portal/index.html");
        map2.put("img", R.drawable.radio_off);
        map2.put("link", "http://mv.ucweb.com/e?id=118");
        map3.put("img", R.drawable.radio_off);
        map3.put("link", " http://mv.ucweb.com/t?id=bookmarks-rss-android");
        map4.put("img", R.drawable.radio_off);
        map4.put("link", "http://mv.ucweb.com/t?id=bookmarks-rss-android");
        map5.put("img", R.drawable.radio_off);
        map5.put("link", "http://mv.ucweb.com/t?id=bookmarks-rss-android");
        map6.put("img", R.drawable.radio_off);
        map6.put("link", "http://mv.ucweb.com/t?id=bookmarks-rss-android");
        map7.put("img", R.drawable.radio_off);
        map7.put("link", "http://mv.ucweb.com/t?id=bookmarks-rss-android");
         map8.put("img", R.drawable.radio_off);
        map8.put("link", "http://mv.ucweb.com/t?id=bookmarks-rss-android");
         map9.put("img", R.drawable.radio_off);
        map9.put("link", "http://mv.ucweb.com/e?id=118"); 

        list.add(map);
        list.add(map2);
        list.add(map3);
        list.add(map4);
        list.add(map5);
        list.add(map6);
        list.add(map7);
        list.add(map8);
        list.add(map9);
        return list;
    }

    //删除listview被选中的item
     public void removeS(List list)
    {
          ArrayList<Integer>  indexTemp = new ArrayList<Integer>();
          int size = list.size();
          int temp;
          System.out.println("list.size = "+size);
          for (int i = 0; i < size; i++)
          {
               listTemp = (Map<String, Object>)list.get(i);
               if (listTemp.get("img").equals(2130837510))
               {
                   indexTemp.add(i);
               }
          }
          if (0 != indexTemp.size())
          {
              for (int i=  0; i<indexTemp.size(); i++)
              {
                  if (i == 0)
                  {
                      temp =  (Integer)indexTemp.get(i);
                  }
                  else
                  {
                      temp = (Integer)indexTemp.get(i)-i;

                  }
                  list.remove(temp);
                  adapter.notifyDataSetChanged(); 
              }
          }      
    }

     //为listview 添加item
     public void addItem(String linkString)
     {
         HashMap<String, Object> map = new HashMap<String, Object>();
         map.put("img", R.drawable.radio_off);
         map.put("link",linkString);
         list.add(map);
         adapter.notifyDataSetChanged();
     }

}
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