android 显示多选列表对话框

publicclassMultiChoiceItemsTestextendsActivityimplementsOnClickListener

{

privateString[]province=newString[] {"上海","北京","湖南","湖北","海南"};

privateButtonbtnMultiChoice;

privateListViewlv;

@Override

publicvoidonCreate(Bundle savedInstanceState)

{

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

btnMultiChoice= (Button) findViewById(R.id.btnMultiChoice);

btnMultiChoice.setOnClickListener(this);

}

@Override

publicvoidonClick(View v)

{

showMultiChoiceItems();

}

privatevoidshowMultiChoiceItems()

{

AlertDialog builder =newAlertDialog.Builder(this)

.setTitle("请选择你的省份：")

.setMultiChoiceItems(province,

newboolean[] {false,false,false,false,false},

newOnMultiChoiceClickListener()

{

@Override

publicvoidonClick(DialogInterface dialog,

intwhich,booleanisChecked)

{

//TODOAuto-generated method stub

}

})

.setPositiveButton("确定",newDialogInterface.OnClickListener()

{

@Override

publicvoidonClick(DialogInterfacedialog,intwhich)

{

String s ="您选择了：";

//扫描所有的列表项，如果当前列表项被选中，将列表项的文本追加到s变量中。

for(inti = 0; i <province.length; i++)

{

if(lv.getCheckedItemPositions().get(i))

{

s += i +":"+lv.getAdapter().getItem(i) +" ";

}

//用户至少选择了一个列表项

if(lv.getCheckedItemPositions().size() > 0)

{

newAlertDialog.Builder(MultiChoiceItemsTest.this)

.setMessage(s).show();

System.out.println(lv.getCheckedItemPositions().size());

}

//用户未选择任何列表项

elseif(lv.getCheckedItemPositions().size() <= 0)

{

newAlertDialog.Builder(MultiChoiceItemsTest.this)

.setMessage("您未选择任何省份").show();

}

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

lv= builder.getListView();

builder.show();

}

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