Android 之 Dialog复选框获取值

package com.ethan.dialog;import android.app.Activity;import android.app.AlertDialog;import android.content.Context;import android.content.DialogInterface;import android.content.DialogInterface.OnMultiChoiceClickListener;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.TextView;import android.widget.Toast;public class TestDialogActivity extends Activity {private Button btn;final Context context = this;      @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);                btn = (Button) findViewById(R.id.Button01);                btn.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {showDialog5();}        });    }    public void showDialog5(){          //定义复选框选项          final String[] multiChoiceItems = {"Item1","Item2"};        //复选框默认值：false=未选;true=选中 ,各自对应items[i]        final boolean[] defaultSelectedStatus = {false,false};                final StringBuilder sb = new StringBuilder();        //创建对话框          new AlertDialog.Builder(context)          .setTitle("复选框")//设置对话框标题          .setMultiChoiceItems(multiChoiceItems, defaultSelectedStatus, new OnMultiChoiceClickListener(){              @Override              public void onClick(DialogInterface dialog, int which,                      boolean isChecked) {              //来回重复选择取消，得相应去改变item对应的bool值，点击确定时，根据这个bool[],得到选择的内容             defaultSelectedStatus[which] = isChecked;            }          })  //设置对话框[肯定]按钮          .setPositiveButton("确定",new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {for(int i=0;i<defaultSelectedStatus.length;i++) {if(defaultSelectedStatus[i]) {sb.append(multiChoiceItems[i]);}}// TODO Auto-generated method stubToast.makeText(context,sb.toString(), Toast.LENGTH_LONG).show();  }})        .setNegativeButton("取消", null)//设置对话框[否定]按钮          .show();      }  }