android CheckBox控件的定义及事件监听
2016-03-23 20:08
656 查看
http://www.beijibear.com/index.php?aid=336
android CheckBox控件的定义及事件监听,本例实现CheckBox控件的定义及点击事件的监听并显示结果,运行效果截图如下:
CheckBox控件的定义,main.xml内容如下:
<?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:id="@+id/editText1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="请选择"
/>
<CheckBox
android:id="@+id/beijing"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="北京"
/>
<CheckBox
android:id="@+id/shanghai"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="上海"
/>
<CheckBox
android:id="@+id/shenzhen"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="深圳"
/>
</LinearLayout>
activity CheckBoxTest.java内容如下:
package checkbox.pack;
import android.app.Activity;
import android.os.Bundle;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.EditText;
public class CheckBoxTest extends Activity {
//对控件对象进行声明
CheckBox beijing=null;
CheckBox shanghai=null;
CheckBox shenzhen=null;
EditText editText1=null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//通过控件的ID来得到代表控件的对象
beijing=(CheckBox)findViewById(R.id.beijing);
shanghai=(CheckBox)findViewById(R.id.shanghai);
shenzhen=(CheckBox)findViewById(R.id.shenzhen);
editText1=(EditText)findViewById(R.id.editText1);
//给CheckBox设置事件监听
beijing.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener(){
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
// TODO Auto-generated method stub
if(isChecked){
editText1.setText(buttonView.getText()+"选中");
}else{
editText1.setText(buttonView.getText()+"取消选中");
}
}
});
shanghai.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener(){
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
// TODO Auto-generated method stub
if(isChecked){
editText1.setText(buttonView.getText()+"选中");
}else{
editText1.setText(buttonView.getText()+"取消选中");
}
}
});
shenzhen.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener(){
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
// TODO Auto-generated method stub
if(isChecked){
editText1.setText(buttonView.getText()+"选中");
}else{
editText1.setText(buttonView.getText()+"取消选中");
}
}
});
}
}
http://www.beijibear.com/index.php?aid=336
android CheckBox控件的定义及事件监听,本例实现CheckBox控件的定义及点击事件的监听并显示结果,运行效果截图如下:
CheckBox控件的定义,main.xml内容如下:
<?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:id="@+id/editText1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="请选择"
/>
<CheckBox
android:id="@+id/beijing"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="北京"
/>
<CheckBox
android:id="@+id/shanghai"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="上海"
/>
<CheckBox
android:id="@+id/shenzhen"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="深圳"
/>
</LinearLayout>
activity CheckBoxTest.java内容如下:
package checkbox.pack;
import android.app.Activity;
import android.os.Bundle;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.EditText;
public class CheckBoxTest extends Activity {
//对控件对象进行声明
CheckBox beijing=null;
CheckBox shanghai=null;
CheckBox shenzhen=null;
EditText editText1=null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//通过控件的ID来得到代表控件的对象
beijing=(CheckBox)findViewById(R.id.beijing);
shanghai=(CheckBox)findViewById(R.id.shanghai);
shenzhen=(CheckBox)findViewById(R.id.shenzhen);
editText1=(EditText)findViewById(R.id.editText1);
//给CheckBox设置事件监听
beijing.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener(){
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
// TODO Auto-generated method stub
if(isChecked){
editText1.setText(buttonView.getText()+"选中");
}else{
editText1.setText(buttonView.getText()+"取消选中");
}
}
});
shanghai.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener(){
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
// TODO Auto-generated method stub
if(isChecked){
editText1.setText(buttonView.getText()+"选中");
}else{
editText1.setText(buttonView.getText()+"取消选中");
}
}
});
shenzhen.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener(){
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
// TODO Auto-generated method stub
if(isChecked){
editText1.setText(buttonView.getText()+"选中");
}else{
editText1.setText(buttonView.getText()+"取消选中");
}
}
});
}
}
android CheckBox控件的定义及事件监听,本例实现CheckBox控件的定义及点击事件的监听并显示结果,运行效果截图如下:
CheckBox控件的定义,main.xml内容如下:
<?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:id="@+id/editText1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="请选择"
/>
<CheckBox
android:id="@+id/beijing"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="北京"
/>
<CheckBox
android:id="@+id/shanghai"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="上海"
/>
<CheckBox
android:id="@+id/shenzhen"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="深圳"
/>
</LinearLayout>
activity CheckBoxTest.java内容如下:
package checkbox.pack;
import android.app.Activity;
import android.os.Bundle;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.EditText;
public class CheckBoxTest extends Activity {
//对控件对象进行声明
CheckBox beijing=null;
CheckBox shanghai=null;
CheckBox shenzhen=null;
EditText editText1=null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//通过控件的ID来得到代表控件的对象
beijing=(CheckBox)findViewById(R.id.beijing);
shanghai=(CheckBox)findViewById(R.id.shanghai);
shenzhen=(CheckBox)findViewById(R.id.shenzhen);
editText1=(EditText)findViewById(R.id.editText1);
//给CheckBox设置事件监听
beijing.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener(){
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
// TODO Auto-generated method stub
if(isChecked){
editText1.setText(buttonView.getText()+"选中");
}else{
editText1.setText(buttonView.getText()+"取消选中");
}
}
});
shanghai.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener(){
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
// TODO Auto-generated method stub
if(isChecked){
editText1.setText(buttonView.getText()+"选中");
}else{
editText1.setText(buttonView.getText()+"取消选中");
}
}
});
shenzhen.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener(){
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
// TODO Auto-generated method stub
if(isChecked){
editText1.setText(buttonView.getText()+"选中");
}else{
editText1.setText(buttonView.getText()+"取消选中");
}
}
});
}
}
http://www.beijibear.com/index.php?aid=336
android CheckBox控件的定义及事件监听,本例实现CheckBox控件的定义及点击事件的监听并显示结果,运行效果截图如下:
CheckBox控件的定义,main.xml内容如下:
<?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:id="@+id/editText1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="请选择"
/>
<CheckBox
android:id="@+id/beijing"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="北京"
/>
<CheckBox
android:id="@+id/shanghai"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="上海"
/>
<CheckBox
android:id="@+id/shenzhen"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="深圳"
/>
</LinearLayout>
activity CheckBoxTest.java内容如下:
package checkbox.pack;
import android.app.Activity;
import android.os.Bundle;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.EditText;
public class CheckBoxTest extends Activity {
//对控件对象进行声明
CheckBox beijing=null;
CheckBox shanghai=null;
CheckBox shenzhen=null;
EditText editText1=null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//通过控件的ID来得到代表控件的对象
beijing=(CheckBox)findViewById(R.id.beijing);
shanghai=(CheckBox)findViewById(R.id.shanghai);
shenzhen=(CheckBox)findViewById(R.id.shenzhen);
editText1=(EditText)findViewById(R.id.editText1);
//给CheckBox设置事件监听
beijing.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener(){
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
// TODO Auto-generated method stub
if(isChecked){
editText1.setText(buttonView.getText()+"选中");
}else{
editText1.setText(buttonView.getText()+"取消选中");
}
}
});
shanghai.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener(){
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
// TODO Auto-generated method stub
if(isChecked){
editText1.setText(buttonView.getText()+"选中");
}else{
editText1.setText(buttonView.getText()+"取消选中");
}
}
});
shenzhen.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener(){
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
// TODO Auto-generated method stub
if(isChecked){
editText1.setText(buttonView.getText()+"选中");
}else{
editText1.setText(buttonView.getText()+"取消选中");
}
}
});
}
}
相关文章推荐
- Android实现计时与倒计时(限时抢购)的几种方法
- android学习笔记之Fragment两种获得FragmentManager方式比较
- Android WebView与JavaScript 交互
- Android课程---帧布局 FrameLayout
- Android Studio NDK 开发环境搭建
- Android Fragment 保存页面信息以及状态
- Android官方开发文档Training系列课程中文版:支持不同的设备之支持不同的屏幕
- android学习之内存泄露(占位)
- Android课程---表格布局TableLayout
- TopAndroid
- android动画详解四 创建动画
- 深入理解Android(二):Java虚拟机Dalvik
- Android中文件存储笔记
- Android 蓝牙
- Android 对ScrollView滚动监听,实现美团、大众点评的购买悬浮效果
- Android Audio 框架简读 <1>
- 编译android源码apk是否生成odex方法
- 无法更新android sdk的问题解决
- android全屏,隐藏状态栏
- Android学习笔记-SQLite数据库实战