本文实例为大家分享了android单选多选按钮使用的具体代码，供大家参考，具体内容如下
一、单选按钮
单选按钮类：radiobutton
android：checked=”true”设置默认选中
单选按钮控件通常与radiogroup搭配使用。
- radiogroup是linearlayout的子类，用于将多个单选按钮组合为一组。
- 同一按钮组内的单选按钮只能有一个被选中。
二、多选按钮
用法基本与button相同
checkbox对象.ischecked()方法可以用来判断复选按钮是否选中
效果图（单选多选写在一个项目里边，用了一个页面跳转）：
项目目录：
多选按钮，两种形式
代码：
activity_main.xml
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/linearlayout1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="${relativepackage}.${activityclass}" >
<button
android:id="@+id/button1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="radioactivity单选" />
<button
android:id="@+id/button2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="checkactivity多选" />
</linearlayout>
mainactivity.java
package com.example.radioandcheckdemo;
import android.app.activity;
import android.content.intent;
import android.os.bundle;
import android.view.menu;
import android.view.menuitem;
import android.view.view;
import android.view.view.onclicklistener;
import android.widget.button;
public class mainactivity extends activity implements onclicklistener{
private button button1;
private button button2;
@override
protected void oncreate(bundle savedinstancestate) {
super.oncreate(savedinstancestate);
setcontentview(r.layout.activity_main);
button1 = (button) findviewbyid(r.id.button1);
button2 = (button) findviewbyid(r.id.button2);
button1.setonclicklistener(this);
button2.setonclicklistener(this);
}
@override
public void onclick(view v) {
intent intent = new intent();
switch (v.getid()) {
case r.id.button1:
//跳转页面
intent.setclass(mainactivity.this, radioactivity.class);
startactivity(intent);
break;
case r.id.button2:
//跳转页面
intent.setclass(mainactivity.this, checkactivity.class);
startactivity(intent);
default:
break;
}
}
}
activity_radio.xml
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/linearlayout1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:layout_margin="20sp"
tools:context="${relativepackage}.${activityclass}" >
<textview
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/hello_world" />
<!--
单选
android：checked="true"设置默认选中
-->
<radiogroup
android:id="@+id/group1"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
<radiobutton
android:id="@+id/radio1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:checked="true"
android:text="男"/>
<radiobutton
android:id="@+id/radio2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="女"/>
</radiogroup>
<!-- 分界线 -->
<view
android:layout_width="match_parent"
android:layout_height="2sp"
android:background="@android:color/holo_blue_dark"
android:layout_margintop="10sp"
android:layout_marginbottom="10sp" />
<textview
android:id="@+id/text1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textsize="18sp"
android:text="你吃饭了吗?"/>
<radiogroup
android:id="@+id/group2"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
<radiobutton
android:id="@+id/radio3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="吃了"/>
<radiobutton
android:id="@+id/radio4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="没吃"/>
</radiogroup>
</linearlayout>
radioactivity.java
package com.example.radioandcheckdemo;
import android.app.activity;
import android.os.bundle;
import android.widget.radiobutton;
import android.widget.radiogroup;
import android.widget.radiogroup.oncheckedchangelistener;
import android.widget.toast;
public class radioactivity extends activity implements oncheckedchangelistener {
private radiogroup group1;
private radiogroup group2;
@override
protected void oncreate(bundle savedinstancestate) {
super.oncreate(savedinstancestate);
setcontentview(r.layout.activity_radio);
group1 = (radiogroup) findviewbyid(r.id.group1);
group2 = (radiogroup) findviewbyid(r.id.group2);
group1.setoncheckedchangelistener(this);
group2.setoncheckedchangelistener(this);
}
@override
public void oncheckedchanged(radiogroup group, int checkedid) {
//显示值的几种方法
//checkedid选中radiobutton的id
/*switch (checkedid) {
case r.id.radio1:
toast.maketext(this, "男", toast.length_long).show();
break;
case r.id.radio2:
toast.maketext(this, "女", toast.length_long).show();
break;
case r.id.radio3:
toast.maketext(this, "吃了", toast.length_long).show();
break;
case r.id.radio4:
toast.maketext(this, "没吃", toast.length_long).show();
break;
default:
break;
}*/
//找到点击的radiobutton
//radiobutton radio = (radiobutton) findviewbyid(checkedid);
//取出radiobutton中的值
//string str = radio.gettext().tostring();
//弹框显示选中的值
//toast.maketext(this, str, toast.length_long).show();
//两组数据同时显示
//根据radiogroup取出数据，没有选中返回-1
string str = "";
int buttonid = group1.getcheckedradiobuttonid();
if(buttonid != -1){
radiobutton radio = (radiobutton) findviewbyid(buttonid);
str = "你的性别是" + radio.gettext().tostring();
}else{
str = "你没有选择性别";
}
buttonid = group2.getcheckedradiobuttonid();
if(buttonid != -1){
radiobutton radio = (radiobutton) findviewbyid(buttonid);
str += "， 你吃饭了吗？"+radio.gettext().tostring();
}
toast.maketext(this, str, toast.length_long).show();
}
}
activity_check.xml
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/linearlayout1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="${relativepackage}.${activityclass}" >
<textview
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="选择所学课程：" />
<checkbox
android:id="@+id/check1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="html" />
<checkbox
android:id="@+id/check2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="c" />
<checkbox
android:id="@+id/check3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="php" />
<checkbox
android:id="@+id/check4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="java" />
<button
android:id="@+id/button1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="提交" />
</linearlayout>
checkactivity.java
package com.example.radioandcheckdemo;
import android.app.activity;
import android.os.bundle;
import android.view.menu;
import android.view.menuitem;
import android.view.view;
import android.view.view.onclicklistener;
import android.widget.button;
import android.widget.checkbox;
import android.widget.compoundbutton;
import android.widget.compoundbutton.oncheckedchangelistener;
import android.widget.toast;
public class checkactivity extends activity {
private checkbox check1;
private checkbox check2;
private checkbox check3;
private checkbox check4;
private button button1;
private oncheckedchangelistener listenter = new oncheckedchangelistener() {
@override
public void oncheckedchanged(compoundbutton buttonview, boolean ischecked) {
//选中多选框
checkbox check = (checkbox)buttonview;
//取出当前勾选值
string str = check.gettext().tostring();
//判断是否勾选状态
if(ischecked){
str = "你学了"+str;
}else{
str = "你没学"+str;
}
toast.maketext(checkactivity.this, str, toast.length_long).show();
}
};
@override
protected void oncreate(bundle savedinstancestate) {
super.oncreate(savedinstancestate);
setcontentview(r.layout.activity_check);
check1 = (checkbox) findviewbyid(r.id.check1);
check2 = (checkbox) findviewbyid(r.id.check2);
check3 = (checkbox) findviewbyid(r.id.check3);
check4 = (checkbox) findviewbyid(r.id.check4);
button1 = (button) findviewbyid(r.id.button1);
//多选框点击事件
/*check1.setoncheckedchangelistener(listenter);
check2.setoncheckedchangelistener(listenter);
check3.setoncheckedchangelistener(listenter);
check4.setoncheckedchangelistener(listenter);*/
//提交按钮点击事件
button1.setonclicklistener(new onclicklistener() {
@override
public void onclick(view v) {
string str = "我学过了";
boolean f = false;
if(check1.ischecked()){
str += check1.gettext()+",";
f = true;
}
if(check2.ischecked()){
str += check2.gettext()+",";
f = true;
}
if(check3.ischecked()){
str += check3.gettext()+",";
f = true;
}
if(check4.ischecked()){
str += check4.gettext()+",";
f = true;
}
if(f){
str = str.substring(0, str.length()-1);
}
toast.maketext(checkactivity.this, str, toast.length_long).show();
}
});
}
}
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