Android之复选框对话框

main.xml布局文件

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="fill_parent"
    android:layout_height="fill_parent">
    <EditText android:text="" 
        android:id="@+id/editText"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" 
        android:editable="false"
        android:cursorVisible="false" />
    <Button android:text="显示复选框对话框" 
        android:id="@+id/button"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" />
</LinearLayout>

array.xml数组

<?xml version="1.0" encoding="utf-8"?>
<resources>
  <string-array name="hobby">        
     <item>游泳</item>            
     <item>打篮球</item>            
     <item>登山</item>        
  </string-array>
</resources>

AlertActivity类

package com.ljq.dialog;

import android.app.Activity;
import android.app.Dialog;
import android.app.AlertDialog.Builder;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

public class AlertDialog extends Activity {
    private EditText editText;
    private final static int DIALOG=1;
    boolean[] flags=new boolean[]{false,false,false};//初始复选情况
    String[] items=null;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        items=getResources().getStringArray(R.array.hobby);
        editText=(EditText)findViewById(R.id.editText);
        Button button = (Button) findViewById(R.id.button);
        button.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                // 显示对话框
                showDialog(DIALOG);
            }
        });
    }
    
    /**
     * 创建复选框对话框
     */
    @Override
    protected Dialog onCreateDialog(int id) {
        Dialog dialog=null;
        switch (id) {
        case DIALOG:
            Builder builder=new android.app.AlertDialog.Builder(this);
            //设置对话框的图标
            builder.setIcon(R.drawable.header);
            //设置对话框的标题
            builder.setTitle("复选框对话框");
            builder.setMultiChoiceItems(R.array.hobby, flags, new DialogInterface.OnMultiChoiceClickListener(){
                public void onClick(DialogInterface dialog, int which, boolean isChecked) {
                    flags[which]=isChecked;
                    String result = "您选择了：";
                    for (int i = 0; i < flags.length; i++) {
                        if(flags[i]){
                            result=result+items[i]+"、";
                        }
                    }
                    editText.setText(result.substring(0, result.length()-1));
                }
            });
            
            //添加一个确定按钮
            builder.setPositiveButton(" 确 定 ", new DialogInterface.OnClickListener(){
                public void onClick(DialogInterface dialog, int which) {
                    
                }
            });
            //创建一个复选框对话框
            dialog=builder.create();
            break;
        }
        return dialog;
    }
    
}

运行结果