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() { @Override public 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() { @Override public 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 stub Toast.makeText(context,sb.toString(), Toast.LENGTH_LONG).show(); } }) .setNegativeButton("取消", null)//设置对话框[否定]按钮 .show(); } }

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