Android实现ListView控件的多选和全选功能实例

package yy.test;import java.util.ArrayList;import android.app.Activity;import android.graphics.Color;import android.os.Bundle;import android.view.Menu;import android.view.MenuItem;import android.view.SubMenu;import android.view.View;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.CheckBox;import android.widget.ListAdapter;import android.widget.ListView;import android.widget.TextView;import android.widget.Toast;public class MainActivity extends Activity {  private ListView listView;  private MyAdapter adapter;  private ArrayList<String> items;  //模拟存储信息的集合  private ArrayList<String> checked; //该集合存储被选中的列表项中的TextView中所显示的字符串  private boolean isMultiple = false; // 记录是否是多选状态，true为是，false不是  @Override  public void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.main);    listView = (ListView) findViewById(R.id.listview);    items = new ArrayList<String>();    items.add("00000");    items.add("11111");    items.add("22222");    items.add("33333");    items.add("44444");    items.add("55555");    items.add("66666");    items.add("77777");    items.add("88888");    items.add("99999");    items.add("aaaaa");    items.add("bbbbb");    items.add("ccccc");    items.add("ddddd");    adapter = new MyAdapter(items,this); //new出自定义的MyAdapter对象    listView.setAdapter(adapter);    listView.setOnItemClickListener(new OnItemClickListener() {      @Override      public void onItemClick(AdapterView<?> arg0, View view, int position,          long arg3) {        if(isMultiple){          CheckBox checkBox = (CheckBox) view.findViewById(R.id.checkbox);          TextView textView = (TextView) view.findViewById(R.id.text);          if(checkBox.isChecked()){            checkBox.setChecked(false);            adapter.checkedMap.put(position, false);            textView.setTextColor(Color.WHITE);            adapter.colorMap.put(position, Color.WHITE);            int index = checked.indexOf(textView.getText()+"");            checked.remove(index);          }else{            checkBox.setChecked(true);            adapter.checkedMap.put(position, true);            textView.setTextColor(Color.RED);            adapter.colorMap.put(position, Color.RED);            checked.add(textView.getText()+"");          }        }      }    });  }  @Override  public boolean onCreateOptionsMenu(Menu menu) {    SubMenu subMenu = menu.addSubMenu("操作");    subMenu.add(0, 1, 0, "多选");    subMenu.add(0, 2, 0, "删除");    subMenu.add(0, 3, 0, "全选");    subMenu.add(0, 4, 0, "取消全选");    return super.onCreateOptionsMenu(menu);  }  @Override  public boolean onOptionsItemSelected(MenuItem item) {    if(item.getItemId()==1){      isMultiple = true;      checked = new ArrayList<String>();      int index = adapter.getCount();      for(int i=0;i<index;i++){        adapter.visibleMap.put(i, CheckBox.VISIBLE);      }      adapter.notifyDataSetChanged();    }else if(item.getItemId()==2){      for(String text : checked){        int index = items.indexOf(text);        items.remove(index);      }      isMultiple = false;      adapter = new MyAdapter(items,MainActivity.this);      listView.setAdapter(adapter);    }else if(item.getItemId()==3){      isMultiple = true;      checked = new ArrayList<String>();      int index = adapter.getCount();      for(int i=0;i<index;i++){        adapter.checkedMap.put(i, true);        adapter.colorMap.put(i, Color.RED);        adapter.visibleMap.put(i, CheckBox.VISIBLE);        View view1 = adapter.getView(i, null, null);        TextView textView = (TextView) view1.findViewById(R.id.text);        textView.setTextColor(Color.RED);                adapter.notifyDataSetChanged();        checked.add(textView.getText()+"");      }    }else if(item.getItemId()==4){      isMultiple = false;      checked = null;      int index = adapter.getCount();      for(int i=0;i<index;i++){        adapter.checkedMap.put(i, false);        adapter.colorMap.put(i, Color.WHITE);        adapter.visibleMap.put(i, CheckBox.INVISIBLE);                adapter.notifyDataSetChanged();      }    }    return super.onOptionsItemSelected(item);  }}