RadioButton单选按钮

冷不防 2022-09-26 03:15 229阅读 0赞

<?xml version="1.0" encoding="utf-8"?>
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:orientation="vertical">
        <RadioGroup
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            android:checkedButton="@+id/lunch"
            android:id="@+id/menu">
            <RadioButton
                android:text="AA"
                android:id="@+id/breakfast"
                />
            <RadioButton
                android:text="BB"
                android:id="@id/lunch" />
            <RadioButton
                android:text="CC"
                android:id="@+id/dinner" />
            <RadioButton
                android:text="DD"
                android:id="@+id/all" />
        </RadioGroup>
        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="清除"
            android:id="@+id/clear" />
    </LinearLayout>

public void onClick(View v) {
        	int selected = mRadioGroup.getCheckedRadioButtonId();
    
        	switch(selected){
        	case R.id.breakfast:
        		setTitle("breakfast");
        	   break;
        	case R.id.lunch:
        		setTitle("lunch");
        	   break;
        	case R.id.all:
        		setTitle("all");
        	   break;
        	   default:
        		   break;
        	}
            mRadioGroup.clearCheck();
        }