android 多项对话框

 

在main.xml中

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:orientation="vertical" >

    <TextView

        android:id="@+id/mych"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text=""/>

     <Button

        android:id="@+id/mybut"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="请选择水果"/>

</LinearLayout>

 

 

 

在MyDialogDemo.java程序中

package com.tarena.dialog;

 

import android.app.Activity;

import android.app.AlertDialog;

import android.app.Dialog;

import android.content.DialogInterface;

import android.os.Bundle;

import android.view.KeyEvent;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.ImageButton;

import android.widget.TextView;

 

public class MyDialogDemo extends Activity {

  private Button mybut = null ; // 定义按钮

  private TextView mych = null ; // 定义文本

  private TextView mytext = null ; // 定义文本

  private String fruitData [] = new String[] { "苹果", "西瓜", "水蜜桃" };

  private boolean chData[] = new boolean[]{false,false,false};

  @Override

  public void onCreate(Bundle savedInstanceState) {

     super.onCreate(savedInstanceState);

     super.setContentView(R.layout.main); // 调用布局管理器

     this.mybut = (Button) super.findViewById(R.id.mybut) ;  // 取得按钮

     this.mych = (TextView) super.findViewById(R.id.mych) ;  // 取得文本

     this.mybut.setOnClickListener(new OnClickListenerImpl()) ;  // 设置事件类

  }

  private class OnClickListenerImpl implements OnClickListener {

 

     public void onClick(View view) {

       Dialog dialog = new AlertDialog.Builder(MyDialogDemo.this)

         .setIcon(R.drawable.ic_launcher)

         .setTitle("请选择你喜欢吃的水果？")

         .setPositiveButton("确定", new DialogInterface.OnClickListener() {

           

           public void onClick(DialogInterface dialog, int which) {

              }

         })

         .setNegativeButton("取消", new DialogInterface.OnClickListener() {

           public void onClick(DialogInterface dialog, int which) {

             

            }

         }).setMultiChoiceItems(MyDialogDemo.this.fruitData,

              MyDialogDemo.this.chData, new DialogInterface

              .OnMultiChoiceClickListener() {

           

           public void onClick(DialogInterface dialog, int which, boolean isChecked) {

              for(int x = 0; x < MyDialogDemo.this.fruitData.length; x++){

                if(x == which && isChecked){  //被选中

                  MyDialogDemo.this.mych.append(MyDialogDemo.this.fruitData[x] + "\n");

                }

              }

            }

         }).create() ;

       dialog.show() ;

     }

    

  }

 

}