Android开发对话框之多选对话框的…

.xml

<LinearLayoutxmlns: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

packagecom.example.multiplydialog;

importandroid.os.Bundle;

importandroid.app.Activity;

importandroid.app.AlertDialog;

importandroid.app.Dialog;

importandroid.content.DialogInterface;

importandroid.view.View;

importandroid.view.View.OnClickListener;

importandroid.widget.Button;

importandroid.widget.TextView;

public class MainActivityextends Activity {

private Buttonbutton=null;

private TextViewmysel=null;

private TextView company=null;

private TextViewceo=null;

private TextViewfile=null;

private intchNum=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(BundlesavedInstanceState) {

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(newOnClickListenerImp());

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

}

public class OnClickListenerImpimplements OnClickListener{

public void onClick(View arg0){

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

//创建我们的单选对话框

Dialog dialog=newAlertDialog.Builder(MainActivity.this)

.setTitle("选择公司")

.setIcon(R.drawable.ic_launcher)

.setPositiveButton("确定", newDialogInterface.OnClickListener() {

public voidonClick(DialogInterface dialog, int which) {

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

}

})

.setNegativeButton("取消", newDialogInterface.OnClickListener() {

public voidonClick(DialogInterface dialog, int which) {

}

})

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

public voidonClick(DialogInterface dialog, int which, boolean isChecked){

for(inti=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();

}

}

}