安卓单选、复选按钮简单练习

xml代码

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="10dp">



    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="你最爱吃的食物是？"
        />

    <RadioGroup
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:id="@+id/rg"
        >

        <RadioButton
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="茅坑土"
            android:id="@+id/mk"
            android:layout_marginRight="20dp"
            android:checked="true"/>

        <RadioButton
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="墙头草"
            android:id="@+id/qc"
            android:layout_marginRight="20dp"/>

        <RadioButton
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="窝里粪"
            android:id="@+id/wf"
            android:layout_marginRight="20dp"/>

        <RadioButton
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="臭沟油"
            android:id="@+id/cy"
            />



    </RadioGroup>

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="你属于哪种类型的人？"
        />

    <CheckBox
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="小赤佬"
        android:id="@+id/cl"
        android:checked="true"/>

    <CheckBox
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="小瘪三"
        android:id="@+id/bs"/>

    <CheckBox
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="坑爹呀"
        android:id="@+id/kd"/>

    <CheckBox
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="唉呀妈呀"
        android:id="@+id/am"/>

</LinearLayout>

Java代码

package com.hanqi.test5;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Toast;

/**
 * Created by Administrator on 2016/3/28.
 */
public class UIActivity1 extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_ui1);

        RadioGroup radioGroup = (RadioGroup)findViewById(R.id.rg);

        radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(RadioGroup group, int checkedId) {

                if (checkedId == R.id.wf) {
                    Toast.makeText(UIActivity1.this, "你选对了", Toast.LENGTH_SHORT).show();
                }

                RadioButton rb = (RadioButton) findViewById(checkedId);

                Toast.makeText(UIActivity1.this, rb.getText(), Toast.LENGTH_SHORT).show();

            }
        });


        CheckBox cl = (CheckBox)findViewById(R.id.cl);

        cl.setOnCheckedChangeListener(new CBOnCheckedChangListenter());

        CheckBox bs = (CheckBox)findViewById(R.id.bs);

        bs.setOnCheckedChangeListener(new CBOnCheckedChangListenter());

        CheckBox kd = (CheckBox)findViewById(R.id.kd);

        kd.setOnCheckedChangeListener(new CBOnCheckedChangListenter());

        CheckBox am = (CheckBox)findViewById(R.id.am);

        am.setOnCheckedChangeListener(new CBOnCheckedChangListenter());
    }

    private class CBOnCheckedChangListenter implements CompoundButton.OnCheckedChangeListener
    {
        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked)
        {
            CheckBox cb = (CheckBox)buttonView;

            if (isChecked)
            {
                Toast.makeText(UIActivity1.this, "选中了" + cb.getText(), Toast.LENGTH_SHORT).show();
            }
            else
            {
                Toast.makeText(UIActivity1.this, "取消了" + cb.getText(), Toast.LENGTH_SHORT).show();

            }
        }
    }
}