RadioButton修改前面的選項樣式

<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item
        android:state_checked="false"
        android:drawable="@mipmap/normal_sex"/>
    <item
        android:state_checked="true"
        android:drawable="@mipmap/selected_sex"/>
</selector>

android:drawableLeft="@drawable/radio_sex_state"