ListView.CHOICE_MODE_MULTIPLE

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    ><ListView android:id="@+id/list"  android:orientation="vertical"  android:layout_width="fill_parent"  android:layout_height="wrap_content"  android:cacheColorHint="@null"  />  <Button android:id="@+id/btn"  android:layout_width="fill_parent"  android:layout_height="wrap_content"  android:text="获取选中ID"  /></LinearLayout>

一个ListView,一个Button

package com.pocketdigi; import android.app.Activity;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.ArrayAdapter;import android.widget.Button;import android.widget.ListView;import android.widget.Toast; public class Test2Activity extends Activity {    /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        final ListView lv=(ListView)findViewById(R.id.list);        String[] Names=new String[]{"a","b","c"};        ArrayAdapter<String> Adapter = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_multiple_choice, Names);        //使用系统内置的layout        lv.setAdapter(Adapter);        lv.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);        //设置多选模式        Button btn=(Button)findViewById(R.id.btn);        btn.setOnClickListener(new OnClickListener(){ @Overridepublic void onClick(View v) {// TODO Auto-generated method stublong[] ids=lv.getCheckItemIds();//得到选中的itemIdString str="";for(int i=0;i<ids.length;i++){str+=ids[i]+",";}Toast.makeText(Test2Activity.this, str, Toast.LENGTH_LONG).show();//输出ID}});    }}

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