Android开发对话框之多选对话框的…

.xml

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

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical"

    tools:context=".MainActivity" >

    <Button 

        android:id="@+id/sel"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_margin="5px"

        android:text="选择公司"/>

    

    <TextView

        android:id="@+id/mysel"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_margin="5px"/>

    

    <TextView

        android:id="@+id/company"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_margin="5px"/>

    

    

</LinearLayout>

.java

package com.example.multiplydialog;

import android.os.Bundle;

import android.app.Activity;

import android.app.AlertDialog;

import android.app.Dialog;

import android.content.DialogInterface;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.TextView;

public class MainActivity extends Activity {

private Button button=null;

private TextView mysel=null;

private TextView  company=null;

private TextView ceo=null;

private TextView file=null;

private int chNum=0;

private String[] companyList=null;

//定义我们默认多选的项,默认选择为第一项和第三项

private boolean[] defSel={false,false,false,false};

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

this.button=(Button) super.findViewById(R.id.sel);

this.mysel=(TextView) super.findViewById(R.id.mysel);

this.company=(TextView) super.findViewById(R.id.company);

//为我们的按钮添加点击事件

this.button.setOnClickListener(new OnClickListenerImp());

this.companyList=MainActivity.this.getResources().getStringArray(R.array.company);

}

public class OnClickListenerImp implements OnClickListener{

public void onClick(View arg0) {

MainActivity.this.mysel.setText("");

//创建我们的单选对话框

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

.setTitle("选择公司")

.setIcon(R.drawable.ic_launcher)

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

public void onClick(DialogInterface dialog, int which) {

//MainActivity.this.mysel.setText("您的选择是"+companyList[chNum]);

}

})

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

public void onClick(DialogInterface dialog, int which) {

}

})

.setMultiChoiceItems(R.array.company, defSel, new DialogInterface.OnMultiChoiceClickListener() {

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

for(int i=0;i<companyList.length;i++){

if(i==which&&isChecked){

//表示选中了

MainActivity.this.mysel.append(MainActivity.this.companyList[which]+" ");

}

}

}

})

.create();

dialog.show();

}

}

}