android点击出现多选框,android学习笔记之弹出多选框
JAVA代码：
package com.meiguihuayu;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;
public class meiguihuayu extends Activity {
private String[] areas = new
String[]{"全部","我爱你们", "你爱我们", "他爱我们", "他们爱我", "你们爱我", "什么是爱"
};
private boolean[] areaState=new boolean[]{true,
false, false, false, false, false,false };
private ListView areaCheckListView;
private
Button Button;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main); Button=(Button)findViewById(R.id.Button);
Button.setOnClickListener(new CheckBoxClickListener());
}
class AlertClickListener implements OnClickListener{
@Override
public void onClick(View v)
{
new
AlertDialog.Builder(meiguihuayu.this).setTitle("选择区域").setItems(areas,new
DialogInterface.OnClickListener(){
public void onClick(DialogInterface dialog, int which){
Toast.makeText(meiguihuayu.this, "您已经选择了: " + which + ":" +
areas[which],Toast.LENGTH_LONG).show();
dialog.dismiss();
}
}).show();
}
}
class CheckBoxClickListener implements OnClickListener{
@Override
public void onClick(View v)
{
AlertDialog ad = new AlertDialog.Builder(meiguihuayu.this)
.setTitle("选择区域")
.setMultiChoiceItems(areas,areaState,new
DialogInterface.OnMultiChoiceClickListener(){
public void onClick(DialogInterface dialog,int whichButton, boolean
isChecked){
//点击某个区域
}
}).setPositiveButton("确定",new
DialogInterface.OnClickListener(){
public void onClick(DialogInterface dialog,int whichButton){
String s = "您选择了:";
for (int i = 0; i < areas.length; i++){
if (areaCheckListView.getCheckedItemPositions().get(i)){
s += i + ":"+ areaCheckListView.getAdapter().getItem(i)+
" ";
}else{
areaCheckListView.getCheckedItemPositions().get(i,false);
}
}
if (areaCheckListView.getCheckedItemPositions().size()
> 0){
Toast.makeText(meiguihuayu.this, s, Toast.LENGTH_LONG).show();
}else{
//没有选择
}
dialog.dismiss();
}
}).setNegativeButton("取消", null).create();
areaCheckListView = ad.getListView();
ad.show();
}
}
}
XML代码：
encoding="utf-8"?>
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
android:id="@+id/Button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="多选"
/>