本文实例讲述了android之复选框对话框用法。分享给大家供大家参考。具体如下：
main.xml布局文件
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
|
<?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
|
1
2
3
4
5
6
7
8
|
<?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
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
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：
希望本文所述对大家的android程序设计有所帮助。
