自学鸿蒙应用开发（38）- 修改RadioButton默认动作

<?xml version="1.0" encoding="utf-8"?>
<DirectionalLayout
    xmlns:ohos="http://schemas.huawei.com/res/ohos"
    ohos:height="match_parent"
    ohos:width="match_parent"
    ohos:orientation="vertical">
    <RadioContainer
        ohos:id="$+id:radio_container1"
        ohos:height="match_content"
        ohos:width="match_content"
        ohos:top_margin="32vp"
        ohos:orientation="horizontal"
        ohos:layout_alignment="horizontal_center">
        <RadioButton
            ohos:id="$+id:radio_button_1"
            ohos:height="40vp"
            ohos:width="match_content"
            ohos:text="A.Learning"
            ohos:text_size="14fp"/>
        <RadioButton
            ohos:id="$+id:radio_button_2"
            ohos:height="40vp"
            ohos:width="match_content"
            ohos:text="B.Innovation"
            ohos:text_size="14fp"/>
        <RadioButton
            ohos:id="$+id:radio_button_3"
            ohos:height="40vp"
            ohos:width="match_content"
            ohos:text="C.Benefit"
            ohos:text_size="14fp"/>
    </RadioContainer>
    <RadioContainer
        ohos:id="$+id:radio_container2"
        ohos:height="match_content"
        ohos:width="match_content"
        ohos:top_margin="32vp"
        ohos:orientation="horizontal"
        ohos:layout_alignment="horizontal_center">
        <RadioButton
            ohos:id="$+id:radio_huawei"
            ohos:height="60vp"
            ohos:width="match_content"
            ohos:text="H.Huawei"
            ohos:text_size="14fp"/>
        <RadioButton
            ohos:id="$+id:radio_xiaomi"
            ohos:height="60vp"
            ohos:width="match_content"
            ohos:text="X.Xiaomi"
            ohos:text_size="14fp"/>
        <RadioButton
            ohos:id="$+id:radio_oppo"
            ohos:height="60vp"
            ohos:width="match_content"
            ohos:text="O.Oppo"
            ohos:text_size="14fp"/>
    </RadioContainer>
</DirectionalLayout>

public class MainAbilitySlice extends AbilitySlice {
    @Override
    public void onStart(Intent intent) {
        super.onStart(intent);
        super.setUIContent(ResourceTable.Layout_ability_main);
        AbsButton.CheckedStateChangedListener listener = new AbsButton.CheckedStateChangedListener() {
            @Override
            public void onCheckedChanged(AbsButton absButton, boolean b) {
                absButton.setClickable(!b);
            }
        };
        RadioButton rb1 = (RadioButton)findComponentById(ResourceTable.Id_radio_huawei);
        rb1.setCheckedStateChangedListener(listener);
        RadioButton rb2 = (RadioButton)findComponentById(ResourceTable.Id_radio_xiaomi);
        rb2.setCheckedStateChangedListener(listener);
        RadioButton rb3 = (RadioButton)findComponentById(ResourceTable.Id_radio_oppo);
        rb3.setCheckedStateChangedListener(listener);
    }
}