引言
图片按钮、复选按钮、单选按钮、普通按钮、单击按钮弹出对话框的使用！
代码
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageButton
android:id="@+id/image"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:src="@drawable/d"
/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_marginLeft="20dp"
>
<CheckBox
android:id="@+id/Chinese"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:text="Chinese"
/>
<CheckBox
android:id="@+id/English"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:text="English"
/>
<Button
android:id="@+id/checkboxChexk"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:text="复选框按钮检查"
/>
<RadioButton
android:id="@+id/female"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:text="female"
/>
<RadioButton
android:id="@+id/male"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:text="male"
/>
<Button
android:id="@+id/RadioButton"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:text="单选按钮检查"
/>
</LinearLayout>
</LinearLayout>
MainActivity
package com.example.demo4;
import android.content.DialogInterface;
import android.graphics.Color;
import android.util.Log;
import android.view.View;
import android.widget.*;
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class MainActivity extends AppCompatActivity implements CompoundButton.OnCheckedChangeListener {
private CheckBox Chinese;
private CheckBox English;
private ImageButton img;
private Button button1;
private Button button2;
private RadioButton rd1;
private RadioButton rd2;
private List<String> like = new ArrayList<String>();
private void showNormalDialog(String s){
//创建dialog构造器
AlertDialog.Builder normalDialog = new AlertDialog.Builder(this);
//设置title
normalDialog.setTitle("提示信息");
//设置内容
normalDialog.setMessage(s);
//设置按钮
normalDialog.setPositiveButton("关闭"
, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
//创建并显示
normalDialog.create().show();
}
private String sex;
//复选框单选按钮事件
@Override
public void onCheckedChanged(CompoundButton checkBox,boolean checked) {
// TODO Auto-generated method stub
switch (checkBox.getId()) {
case R.id.English:
if (checked) {
// 选中吃
like.add("English");
} else {
like.remove("English");
}
break;
case R.id.Chinese:
if (checked) {
// 选中唱歌
like.add("Chinese");
} else {
like.remove("Chinese");
}
break;
default:
break;
}
if(checked){
disableOthers(checkBox.getId());
sex=checkBox.getText().toString();
}
}
private void disableOthers(int viewId) {
if(R.id.male!=viewId&&rd2.isChecked()){
rd2.setChecked(false);
}
if(R.id.female!=viewId&&rd1.isChecked()){
rd1.setChecked(false);
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Chinese=(CheckBox)findViewById(R.id.Chinese);
English=(CheckBox)findViewById(R.id.English);
// 绑定事件
Chinese.setOnCheckedChangeListener(this);
English.setOnCheckedChangeListener(this);
img=(ImageButton)findViewById(R.id.image);
img.setOnClickListener(new View.OnClickListener() {
String s="您点击了图片按钮";
@Override
public void onClick(View v) {
//
showNormalDialog(s);
}
});
button1=(Button)findViewById(R.id.checkboxChexk);
button1.setOnClickListener(new View.OnClickListener() {
String langle="";
@Override
public void onClick(View v) {
if (like.size() == 0){
langle ="未选择";
}else{
langle="";
for(String s:like){
langle+=s+" ";
}
langle+="被选择";
}
showNormalDialog(langle);
}
});
rd1=(RadioButton)findViewById(R.id.female);
rd2=(RadioButton)findViewById(R.id.male) ;
rd1.setOnCheckedChangeListener(this);
rd2.setOnCheckedChangeListener(this);
button2=(Button)findViewById(R.id.RadioButton);
button2.setOnClickListener(new View.OnClickListener(){
@Override
public void onClick(View v) {
showNormalDialog("性别是："+sex);
}
});
}
}
目录结构
运行结果
升级版
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageButton
android:id="@+id/image"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:src="@drawable/d"
/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_marginLeft="20dp"
>
<TextView
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:text="精通的语言"
/>
<CheckBox
android:id="@+id/Chinese"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:text="Chinese"
/>
<CheckBox
android:id="@+id/English"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:text="English"
/>
<TextView
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:text="性别"
/>
<RadioButton
android:id="@+id/female"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:text="female"
/>
<RadioButton
android:id="@+id/male"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:text="male"
/>
<Button
android:id="@+id/Button"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:text="提交"
/>
</LinearLayout>
</LinearLayout>
MainActivity
package com.example.demo4;
import android.content.DialogInterface;
import android.graphics.Color;
import android.util.Log;
import android.view.View;
import android.widget.*;
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class MainActivity extends AppCompatActivity implements CompoundButton.OnCheckedChangeListener {
private CheckBox Chinese;
private CheckBox English;
private ImageButton img;
private Button button;
private RadioButton rd1;
private RadioButton rd2;
private List<String> like = new ArrayList<String>();
private void showNormalDialog(String s){
//创建dialog构造器
AlertDialog.Builder normalDialog = new AlertDialog.Builder(this);
//设置title
normalDialog.setTitle("提示信息");
//设置内容
normalDialog.setMessage(s);
//设置按钮
normalDialog.setPositiveButton("关闭"
, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
//创建并显示
normalDialog.create().show();
}
private String sex;
//复选框单选按钮事件
@Override
public void onCheckedChanged(CompoundButton checkBox,boolean checked) {
// TODO Auto-generated method stub
switch (checkBox.getId()) {
case R.id.English:
if (checked) {
// 选中吃
like.add("English");
} else {
like.remove("English");
}
break;
case R.id.Chinese:
if (checked) {
// 选中唱歌
like.add("Chinese");
} else {
like.remove("Chinese");
}
break;
default:
break;
}
if(checked){
disableOthers(checkBox.getId());
sex=checkBox.getText().toString();
}
}
private void disableOthers(int viewId) {
if(R.id.male!=viewId&&rd2.isChecked()){
rd2.setChecked(false);
}
if(R.id.female!=viewId&&rd1.isChecked()){
rd1.setChecked(false);
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Chinese=(CheckBox)findViewById(R.id.Chinese);
English=(CheckBox)findViewById(R.id.English);
// 绑定事件
Chinese.setOnCheckedChangeListener(this);
English.setOnCheckedChangeListener(this);
img=(ImageButton)findViewById(R.id.image);
img.setOnClickListener(new View.OnClickListener() {
String s="您点击了图片按钮";
@Override
public void onClick(View v) {
//
showNormalDialog(s);
}
});
rd1=(RadioButton)findViewById(R.id.female);
rd2=(RadioButton)findViewById(R.id.male) ;
rd1.setOnCheckedChangeListener(this);
rd2.setOnCheckedChangeListener(this);
button=(Button)findViewById(R.id.Button);
button.setOnClickListener(new View.OnClickListener(){
String langle="";
@Override
public void onClick(View v) {
if (like.size() == 0){
langle ="未选择";
}else{
langle="";
for(String s:like){
langle+=s+" ";
}
langle+="\n";
}
showNormalDialog("精通的语言："+langle+"性别："+sex);
}
});
}
}
运行结果
参考链接
java中的List简单介绍
Android中复选框（CheckBox）的使用
Android系统对话框使用详解(最详细)
Android用户界面基础之CheckBox（复选按钮）、RadioButton（单选按钮）学习