Android基础总结八:单选框RadioGroup,RadioButton的使用

布局：

<RadioGroup            android:layout_gravity="center_horizontal"            android:orientation="horizontal"             android:id = "@+id/id_rg">            <RadioButton                android:id="@+id/radioButton1"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="男" />            <RadioButton                android:id="@+id/radioButton2"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="女" /></RadioGroup>

代码：

RadioGroup radioGroup = (RadioGroup)findViewById(R.id.id_rg);radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {   public void onCheckedChanged(RadioGroup group, @IdRes int checkedId) {                if (checkedId == R.id.radioButton1)                 {                    Toast.makeText(UIActivity1.this, "男", Toast.LENGTH_LONG).show();                }                else                {                    Toast.makeText(UIActivity1.this, "女", Toast.LENGTH_LONG).show();                }                }});

结果：