获取单选群组android单选按钮总数

RadioGroup radioGroup = findViewById(R.id.radioGroup);
int radioButtonCount = radioGroup.getChildCount();

<!-- activity_main.xml -->
<RadioGroup
    android:id="@+id/radioGroup"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content">

    <RadioButton
        android:id="@+id/radioButton1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Option 1"/>

    <RadioButton
        android:id="@+id/radioButton2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Option 2"/>

    <!-- Add more RadioButtons as needed -->
</RadioGroup>

// MainActivity.java
public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        RadioGroup radioGroup = findViewById(R.id.radioGroup);
        int radioButtonCount = radioGroup.getChildCount();
        Log.d("RadioButtonCount", "Total RadioButtons: " + radioButtonCount);
    }
}