模块二Android Studio 单选框与复选框的使用 RadioButton CheckBox

运行结果

activity_main.xml

MainActivity.java

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运行结果

activity_main.xml

使用单选按钮时，要把单选按钮RadioButton放入RadioGroup里，如图

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <EditText
        android:id="@+id/editTextText"
        android:layout_width="376dp"
        android:layout_height="47dp"
        android:ems="10"
        android:hint="输入姓名"

        android:inputType="text"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.086"
        tools:layout_editor_absoluteX="1dp" />

    <TextView
        android:id="@+id/textView2"
        android:layout_width="73dp"
        android:layout_height="21dp"
        android:background="#3CAEEA00"
        android:text="专业技能表"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.022" />

    <TextView
        android:id="@+id/textView"
        android:layout_width="212dp"
        android:layout_height="30dp"
        android:text="1.所在专业"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.073