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="請選擇水果"/>
</LinearLayout>
在MyDialogDemo.java程式中
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 ; // 定義按鈕
private TextView mych = null ; // 定義文字
private TextView mytext = null ; // 定義文字
private String fruitData [] = new String[] { "蘋果", "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); // 呼叫佈局管理器
this.mybut = (Button) super.findViewById(R.id.mybut) ; // 取得按鈕
this.mych = (TextView) super.findViewById(R.id.mych) ; // 取得文字
this.mybut.setOnClickListener(new OnClickListenerImpl()) ; // 設定事件類
}
private class OnClickListenerImpl implements OnClickListener {
public void onClick(View view) {
Dialog dialog = new AlertDialog.Builder(MyDialogDemo.this)
.setIcon(R.drawable.ic_launcher)
.setTitle("請選擇你喜歡吃的水果？")
.setPositiveButton("確定", 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){ //被選中
MyDialogDemo.this.mych.append(MyDialogDemo.this.fruitData[x] + "\n");
}
}
}
}).create() ;
dialog.show() ;
}
}
}